The city of Zagreb since 2012, participates in the i-SCOPE project (interoperable Smart City services trough Open Platform for urban Ecosystems). i-SCOPE delivers an open platform on top of which it develops, three "smart city" services: optimization of energy consumption through a service for accurate assessment of solar energy potential and energy loss at building level, environmental monitoring through a real-time environmental noise mapping service leveraging citizen's involvement will who act as distributed sensors city- wide measuring noise levels through an application on their mobile phones and improved inclusion and personal mobility of aging and diversely able citizens through an accurate personal routing service. The students of Faculty of Geodesy University of Zagreb, who enrolled in the course Thematic Cartography, were actively involved in the voluntary data acquisition in order to monitor the noise in real time. In this paper are presented the voluntary acquisitioned data of noise level measurement in Zagreb through a mobile application named Noise Tube, which were used as the basis for creating the dynamic noise map.
Environmental noise pollution from road transport and other sources in varna,...eSAT Journals
Abstract The present research has been conducted in Varna – the third biggest city in Bulgaria in order to assess the environmental noise pollution from road transport and other sources. Noise monitoring has been done during the period 2007-2014 at 45 monitoring posts situated at: areas with intensive road traffic; areas with railroad traffic; areas with aviation noise; areas with marine traffic; industrial areas; built-up areas; recreation areas; hospitals and sanatoria; scientific research sites; quiet areas in open country. The noise pollution has been assessed through the daily equivalent sound levels LeqD in the environment that determine the degree of discomfort during daytime (07.00 – 19.00). Research results have been statistically interpreted by variation analysis and the differences have been estimated by Student-Fischer t-criteria. The dominant source of environmental noise pollution in Varna is road traffic. Sound levels at monitoring posts with intensive road traffic are considerably higher than the established limit value – LeqD vary between 69.28 and 71.72 dB(A) and exceed the limit value with 10-12 dB(A). At recreation areas the average LeqD exceed the limit value during the entire monitoring period. More intensive noise pollution has been observed from 2010 onwards as the increase is statistically reliable and the differences are of strong statistical significance (0.001 ≤ Р ≤ 0.05). At built-up areas the average LeqD are close to the limit value and a statistically reliable increase has been registered from 2010 onwards (P < 0.001). Different types of measures are discussed to reduce noise pollution mostly from road transport. Key Words: daily equivalent sound level, environmental noise pollution, noise sources, road traffic
Increasing levels of environmental noise pollution pose risks to public health. City noise mapping involves using GIS and acoustic analysis to model noise propagation across large urban areas. This helps governments understand noise impacts and mitigate health effects. Noise mapping can be done at regional and local scales. Regionally, it guides noise prevention and identifies quiet areas. Locally, it allows noise investigations for individual buildings to address impacts. SLR has extensive experience performing city noise mapping in Australia and Europe to predict transportation noise and its effects.
bassically this presentation is for those guys who want to make quick ppt on pollution ....it contains enough matter so that u can explain it for 45 mins
Urban areas experience higher noise pollution than rural areas due to transportation, industrial, and residential sources. Transportation is a major contributor, including vehicles, motorcycles, and aircraft. Factories and machinery also produce industrial noise. Residential appliances and activities add to noise levels. Prolonged exposure to loud noises can negatively impact both physical and mental health, causing issues like hearing loss, stress, and sleep disturbances. Reducing and controlling noise requires efforts like better building insulation, regulating horn usage and loud vehicles/machines, placing industries and airports away from communities, and preserving green spaces to absorb sound.
This document discusses acoustic engineering simulation for the marine industries using Siemens PLM software. It begins with an introduction to STS, Siemens' simulation and test solutions business, and its experience in industries like shipbuilding. The rest of the document covers the vibro-acoustic simulation process, including the source-transfer-receiver model, finite element method, boundary element method, and how element size relates to maximum simulation frequency. It provides examples of applying acoustic simulation to problems in ship design like hull radiation, acoustic signatures, propeller noise, and sonar arrays.
Noise Pollution is defined as any undesirable human or machine created noise which disturbs human or animal activity or balance. It is measured in decibels (dB) which is a logarithmic ratio of sound pressures. Prolonged exposure to loud noise can cause permanent hearing loss, annoyance, stress, and disrupted sleep and human performance. Noise pollution affects animals through hearing loss, physiological stress, and disruption of behavior and ecosystems. Plants are also impacted through reduced growth. Control measures include reducing noise at the source through improved machinery and mufflers, zoning of industrial areas away from homes, sound insulation of buildings, use of ear protection, legislative bans on loud noises, and planting trees.
Evaluation Of Vehicular Noise Pollution In The City Of Hebron, PalestineIJMER
This document evaluates vehicular noise pollution in Hebron, Palestine. It summarizes that the maximum average noise level measured was 83.05 dB(A) from 14 to 15 pm, while the minimum was 74.4 dB(A) from 17 to 18 pm. These levels exceed international standards. Major sources of noise pollution in Hebron are identified as population growth, increasing vehicle numbers, traffic density, and non-compliance with traffic rules. The study areas were two busy crossroads in the city center where noise levels were measured during peak and non-peak traffic hours.
Environmental noise pollution from road transport and other sources in varna,...eSAT Journals
Abstract The present research has been conducted in Varna – the third biggest city in Bulgaria in order to assess the environmental noise pollution from road transport and other sources. Noise monitoring has been done during the period 2007-2014 at 45 monitoring posts situated at: areas with intensive road traffic; areas with railroad traffic; areas with aviation noise; areas with marine traffic; industrial areas; built-up areas; recreation areas; hospitals and sanatoria; scientific research sites; quiet areas in open country. The noise pollution has been assessed through the daily equivalent sound levels LeqD in the environment that determine the degree of discomfort during daytime (07.00 – 19.00). Research results have been statistically interpreted by variation analysis and the differences have been estimated by Student-Fischer t-criteria. The dominant source of environmental noise pollution in Varna is road traffic. Sound levels at monitoring posts with intensive road traffic are considerably higher than the established limit value – LeqD vary between 69.28 and 71.72 dB(A) and exceed the limit value with 10-12 dB(A). At recreation areas the average LeqD exceed the limit value during the entire monitoring period. More intensive noise pollution has been observed from 2010 onwards as the increase is statistically reliable and the differences are of strong statistical significance (0.001 ≤ Р ≤ 0.05). At built-up areas the average LeqD are close to the limit value and a statistically reliable increase has been registered from 2010 onwards (P < 0.001). Different types of measures are discussed to reduce noise pollution mostly from road transport. Key Words: daily equivalent sound level, environmental noise pollution, noise sources, road traffic
Increasing levels of environmental noise pollution pose risks to public health. City noise mapping involves using GIS and acoustic analysis to model noise propagation across large urban areas. This helps governments understand noise impacts and mitigate health effects. Noise mapping can be done at regional and local scales. Regionally, it guides noise prevention and identifies quiet areas. Locally, it allows noise investigations for individual buildings to address impacts. SLR has extensive experience performing city noise mapping in Australia and Europe to predict transportation noise and its effects.
bassically this presentation is for those guys who want to make quick ppt on pollution ....it contains enough matter so that u can explain it for 45 mins
Urban areas experience higher noise pollution than rural areas due to transportation, industrial, and residential sources. Transportation is a major contributor, including vehicles, motorcycles, and aircraft. Factories and machinery also produce industrial noise. Residential appliances and activities add to noise levels. Prolonged exposure to loud noises can negatively impact both physical and mental health, causing issues like hearing loss, stress, and sleep disturbances. Reducing and controlling noise requires efforts like better building insulation, regulating horn usage and loud vehicles/machines, placing industries and airports away from communities, and preserving green spaces to absorb sound.
This document discusses acoustic engineering simulation for the marine industries using Siemens PLM software. It begins with an introduction to STS, Siemens' simulation and test solutions business, and its experience in industries like shipbuilding. The rest of the document covers the vibro-acoustic simulation process, including the source-transfer-receiver model, finite element method, boundary element method, and how element size relates to maximum simulation frequency. It provides examples of applying acoustic simulation to problems in ship design like hull radiation, acoustic signatures, propeller noise, and sonar arrays.
Noise Pollution is defined as any undesirable human or machine created noise which disturbs human or animal activity or balance. It is measured in decibels (dB) which is a logarithmic ratio of sound pressures. Prolonged exposure to loud noise can cause permanent hearing loss, annoyance, stress, and disrupted sleep and human performance. Noise pollution affects animals through hearing loss, physiological stress, and disruption of behavior and ecosystems. Plants are also impacted through reduced growth. Control measures include reducing noise at the source through improved machinery and mufflers, zoning of industrial areas away from homes, sound insulation of buildings, use of ear protection, legislative bans on loud noises, and planting trees.
Evaluation Of Vehicular Noise Pollution In The City Of Hebron, PalestineIJMER
This document evaluates vehicular noise pollution in Hebron, Palestine. It summarizes that the maximum average noise level measured was 83.05 dB(A) from 14 to 15 pm, while the minimum was 74.4 dB(A) from 17 to 18 pm. These levels exceed international standards. Major sources of noise pollution in Hebron are identified as population growth, increasing vehicle numbers, traffic density, and non-compliance with traffic rules. The study areas were two busy crossroads in the city center where noise levels were measured during peak and non-peak traffic hours.
IRJET- Effect of Noise on Human Psychology in Public Spaces of Dhaka CityIRJET Journal
The document discusses the effects of noise pollution on human psychology in public spaces in Dhaka, Bangladesh. It measures noise levels at five public locations and interviews people at each location about the psychological impacts of noise. The study finds that noise from vehicles, crowds, and hawkers causes health issues like headaches and stress responses. Extreme noise is linked to problems like irritation, anxiety, and sleep disturbances. The busiest locations of Farmgate and Mirpur 10 have the highest noise levels and most reported psychological effects.
Mobile Netw Appl
DOI 10.1007/s11036-009-0217-y
NoiseSPY is a mobile phone application that turns phones into noise sensors. It records sound levels using the phone microphone along with GPS data. This allows users to map noise levels encountered during journeys. Initial trials involved cycling couriers collecting noise data in Cambridge. Indications are the functionality engaged users and aspects like personal data, context, and reflection on data collection were important factors in user interest. The system architecture combines sound level measurements on the phone with transmission of data to a server for aggregation and visualization on an online noise map.
This document summarizes a paper that examines green and blue infrastructure as part of the Smart Cities concept. It uses a case study to conduct a cost-benefit analysis of a green roof installed on a single-family home in Prague. The key findings are:
1) The green roof cost 110,000 CZK to install but provides annual benefits of 8,973 CZK in ecosystem services like improved air quality and temperature regulation.
2) The annualized costs of 7,852 CZK are less than the annualized benefits, indicating the green roof provides a net social benefit.
3) Based on the cost-benefit analysis, the green roof can be considered an economically effective climate adaptation measure that contributes
The document is an assessment of noise pollution levels at various locations on the campus of Jatiya Kabi Kazi Nazrul Islam University in Bangladesh. Noise levels were measured at 16 locations using a sound level meter and GPS. The highest noise level was observed at the Nazrul Statue in the afternoon at 95.8 dB, while the lowest was at the Vice Chancellor's Residence in the evening at 42.2 dB. GIS software was used to create noise maps of the campus during morning, afternoon and evening. The results showed that ambient noise levels exceeded standards. Solutions proposed to reduce noise pollution include turning off appliances, using earplugs, lowering volume, planting trees and regular vehicle maintenance.
ISOCARP @ WUF10 | Mobility for carbon-friendly citiesTjark Gall
The session was held at the ISOCARP booth during the Tenth Session of the World Urban Forum in Abu Dhabi in February 2020. The speakers were:
Pascal Smet, Secretary of State of the Brussels-Capital Region, responsible for Urbanism and Heritage, European and International Relations, Foreign Trade and Fire fighting and Emergency medical Assistance
Eleri Jones, Foresight and Urban Policy, Space Syntax
Annemie Wyckmans, Norwegian University of Science of Technology (NTNU)
Joachim Bergerhoff, Team Leader SMMR Project, implemented by GFA on behalf of GIZ
This document presents a Memorandum of Understanding for a COST Action called CYBERPARKS. The objective of CYBERPARKS is to strengthen dialogue between research on public spaces and ICT development. It will explore the relationship between ICT technologies and public spaces from social, ecological, and urban design perspectives. The Action aims to cross-pollinate these fields to generate improvement activities and spark new ideas. It will create a research platform and network to share knowledge on how ICT impacts the production and use of public open spaces as they relate to sustainable urban development. The economic impact of the Action's activities is estimated at EUR 52 million. The Memorandum will take effect when accepted by at least five parties and remain in
EIP Water Action Group City Blueprints September 2013EIP Water
The City Blueprint for Water is a baseline assessment of the sustainability of water management in a city (or other dominantly urban region). The result allows a city to quickly understand how advanced it is in sustainable water management and enables it to compare its status with other leading cities.
This project is one of nine Action Groups selected by the European Commission as an initial EIP Water Action Group.
Sixteen cities/regions have participated so far (August 2013) and many others are being approached. This is an opportunity to take part in a new and innovative programme to help improve city-level water stewardship, in the spirit of smart and sustainable cities.
The basic output is a simple radar chart as shown in the example from Melbourne at the top of this page. The chart provides a quick visual representation of the city’s water stewardship status, and is a tool for easy comparison between cities. It covers 24 key water-related subject areas, such as water footprint, water scarcity, water quality, drinking water availability and wastewater management.
A City Blueprint is just the first step on a journey of communication and cooperation between cities. A key intention is to encourage cities to share their best practices with others, and for all to improve. A website will be developed to facilitate this. All cities are different. Some are advanced in a few or many subject areas. Some have much work to do. The aim is not to highlight failings, but instead to help a city identify areas of focus for improvement, and to learn from the best practices of others, as well as demonstrating and sharing their own best practices.
A gis analysis of noise islands in calabar metropolis, nigeriaAlexander Decker
This document summarizes a study that used GIS to analyze noise levels in Calabar, Nigeria. Noise measurements were taken using a sound level meter at various locations, which were georeferenced using a GPS. The noise data was analyzed in ArcGIS software to generate noise maps showing noise levels and their spatial and temporal distribution. The results showed higher noise levels in industrial, commercial, and transportation areas that peaked in the afternoon and declined in the evening. Residential areas had lower but sometimes moderately high noise levels on certain days. The study recommended restricting noisy activities from residential areas and using noise attenuation techniques.
IRJET- Increasing Noise Pollution in SRTM University Campus Area of Vishn...IRJET Journal
This document summarizes a study on increasing noise pollution in the Swami Ramanand Teerth Marathwada University campus area in Nanded, India. Noise levels were measured between January 2018 and December 2018 at 20 sampling sites, including locations designated as silence zones, residential areas, and commercial areas. The results found noise levels exceeding permissible limits set by the Central Pollution Control Board, with some commercial areas reaching up to 85 dB during the day. Increasing population, urbanization, construction activities, and vehicle traffic were concluded to be contributing factors to rising noise pollution levels in the university campus area.
IRJET - Noise Pollution at Major Intersection in Jaipur City and its Mitigati...IRJET Journal
This document summarizes a study on noise pollution from road traffic in Jaipur City, India. Six locations around the city were selected for noise level measurements over a period of 15 days. The sites represented different land uses like residential, commercial and industrial areas. Noise levels were found to exceed safe limits specified by pollution control authorities. Higher noise levels were observed in residential and commercial areas compared to agricultural lands. Noise levels increased with rising traffic volumes and were lower farther from roads. The conclusions recommend noise mitigation measures and note the need for further research on noise measurement, analysis and abatement.
Mobile communication environmental impact for smart citiesSarvesh Meena
This document discusses the environmental impacts of mobile communication technologies used in smart cities. While mobile communication enables many benefits for smart cities, it also poses environmental and health risks due to radiation. The document outlines both the positive role of mobile networks in connecting smart city infrastructure, as well as the negative effects of radiation from mobile towers and devices on human health. It proposes some solutions to mitigate the environmental risks, such as limiting wireless networks, developing less radiation-intensive technologies, and educating people on reducing radiation exposure from mobile devices.
The NoiseTube project aims to address issues with limited environmental data by enabling citizen participation in data collection using mobile phones. Citizens can use phone microphones to measure and tag noise pollution levels, contributing to a collaborative noise exposure map. A real-world experiment found phone noise measurements to be accurate to within 2-6.5 dB compared to professional sound level meters. The project empowers citizens by giving them a way to monitor and share local environmental information in real-time through social networks and visualizations.
Monitoring and reducing noise related to movida real cases and smart solutions Fosca Fimiani
The University of Bologna, founded in 1088, is the oldest university in the world. Noise levels from nightlife activity regularly exceed limits in residential areas near student gathering spots. A proposed smart noise control system would use networked sensors to monitor sound levels in real-time, identify critical areas, and display maps to help regulate activity and notify residents. The system aims to balance business and residential needs through established noise limits and warnings.
Status of noise in yeshwanthpur circle (bangalore north) based on on site dat...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Determinants and effects of infomobility at the city levelLuigi Reggi
This document summarizes a presentation on determinants and effects of infomobility (intelligent transport systems) at the city level. It discusses research questions around factors influencing the provision of infomobility services in cities and the relationship between urban pollution and ITS development. It reviews literature on smart cities and the role of ITS in reducing traffic pollution. It describes the data sources, including urban and transport datasets from Eurostat and a study of e-services by public transport companies and municipalities in EU cities.
Urban-Centric Lighting Task Group: Tactical Lighting as an innovation strategyAlberto Barberá
The document discusses a research project by an Urban Lighting task group to develop innovative urban lighting strategies based on scientific evidence. The group aims to test their framework through a tactical lighting intervention in an urban park in Barcelona. Their approach focuses on using darkness as an asset to minimize health impacts while providing adequate lighting when needed through spectral tuning and wireless controls. The research questions how to identify objective urban lighting guidelines that promote ecological health and environmental justice while ensuring smart lighting is only used for these purposes, not surveillance. The group will test their prototypes and strategies in the park as a controlled experiment before proposing a larger intervention.
Aligning Past to Future: Recognizing Historical Development and Applying Inte...KyraFermelVictoria
This document discusses a case study of the urban development in Naga City's Central Business District 1 Sector 3 in the Philippines. It aims to identify environmental, accessibility, and socio-cultural issues in the area and propose urban design solutions. The researchers conducted an analysis of the sector's natural conditions, facilities, and effects of poor planning. Their objectives are to improve the environment, address mobility problems, and preserve historical sites. Potential strategies discussed include strengthening waste management, providing walkable and bikeable infrastructure, and raising public awareness of cultural conservation. Design solutions proposed are a pay parking area, widened pedestrian walkways, sustainable drainage, solar-powered lighting, bike lanes, tree guards, and self-cleaning surfaces. The
Multicriterial Analysis Applied to the Urban Environment of The Industrial Ar...IJMERJOURNAL
ABSTRACT: The urban framework studies are nowadays constituting important tools to support the decision-making process of municipal public administrations around the world. Through these studies, municipalities and competent bodies can guide the planning, execution and monitoring of the urban infrastructure of their cities, thus guaranteeing their populations efficient, high-quality sanitation, energy, transportation and housing equipment. In this sense, the present work carries out a study of the urban environment of the Córrego do Liso Hydrographic Basin, one of the most important urban subbasin of the municipality of Uberlândia – MG (Brazil) which suffers from conflicts arising from the use and occupation of its soil for domestic and industrial activities. For this study, geoprocessing and remote sensing techniques, as well as laboratory tests on soil and water samples, were used to collect georeferenced information about the main urban, environmental, geotechnical and hydrological parameters of the study area. With this data in hand, the technique of Multicriteria Analysis (or map algebra) was applied to correlate the data obtained and to formulate a sequence of documents, tables, infographics and mappings that synthesize the present urban reality of the studied basin.
The round table discussed the impact of natural and man-made hazards on urban areas. [1] Participants included architects, engineers, geologists and other experts. [2] Topics included assessment and mapping methods to evaluate hazard impact, visualization techniques using GIS and 3D modeling, and strategies to reduce disaster impact through urban planning and design. [3] The group discussed lessons from past events, approaches to protect historic areas, and ensuring community memory is preserved in reconstruction.
Understanding citizen science and environmental monitoringGreenapps&web
Citizen science can broadly be defined as the involvement of volunteers in science. Over the past decade there has been a rapid increase in the number of citizen science initiatives. The breadth of environmental-based citizen science is immense. Citizen scientists have surveyed for and monitored a broad range of taxa, and also contributed data on weather and habitats reflecting an increase in engagement with a diverse range of observational science. Citizen science has taken many varied approaches from citizen-led (co-created) projects with local community groups to, more commonly, scientist-led mass participation initiatives that are open to all sectors of society. Citizen science provides an indispensable means of combining environmental research with environmental education and wildlife recording. Here we provide a synthesis of extant citizen science projects using a novel cross-cutting approach to objectively assess understanding of citizen science and environmental monitoring including:
1. Brief overview of knowledge on the motivations of volunteers.
2. Semi-systematic review of environmental citizen science projects in order to understand the variety of extant citizen science projects.
3. Collation of detailed case studies on a selection of projects to complement the semi-systematic review.
4. Structured interviews with users of citizen science and environmental monitoring data focussing on policy, in order to more fully understand how citizen science can fit into policy needs.
5. Review of technology in citizen science and an exploration of future opportunities.
IRJET- Effect of Noise on Human Psychology in Public Spaces of Dhaka CityIRJET Journal
The document discusses the effects of noise pollution on human psychology in public spaces in Dhaka, Bangladesh. It measures noise levels at five public locations and interviews people at each location about the psychological impacts of noise. The study finds that noise from vehicles, crowds, and hawkers causes health issues like headaches and stress responses. Extreme noise is linked to problems like irritation, anxiety, and sleep disturbances. The busiest locations of Farmgate and Mirpur 10 have the highest noise levels and most reported psychological effects.
Mobile Netw Appl
DOI 10.1007/s11036-009-0217-y
NoiseSPY is a mobile phone application that turns phones into noise sensors. It records sound levels using the phone microphone along with GPS data. This allows users to map noise levels encountered during journeys. Initial trials involved cycling couriers collecting noise data in Cambridge. Indications are the functionality engaged users and aspects like personal data, context, and reflection on data collection were important factors in user interest. The system architecture combines sound level measurements on the phone with transmission of data to a server for aggregation and visualization on an online noise map.
This document summarizes a paper that examines green and blue infrastructure as part of the Smart Cities concept. It uses a case study to conduct a cost-benefit analysis of a green roof installed on a single-family home in Prague. The key findings are:
1) The green roof cost 110,000 CZK to install but provides annual benefits of 8,973 CZK in ecosystem services like improved air quality and temperature regulation.
2) The annualized costs of 7,852 CZK are less than the annualized benefits, indicating the green roof provides a net social benefit.
3) Based on the cost-benefit analysis, the green roof can be considered an economically effective climate adaptation measure that contributes
The document is an assessment of noise pollution levels at various locations on the campus of Jatiya Kabi Kazi Nazrul Islam University in Bangladesh. Noise levels were measured at 16 locations using a sound level meter and GPS. The highest noise level was observed at the Nazrul Statue in the afternoon at 95.8 dB, while the lowest was at the Vice Chancellor's Residence in the evening at 42.2 dB. GIS software was used to create noise maps of the campus during morning, afternoon and evening. The results showed that ambient noise levels exceeded standards. Solutions proposed to reduce noise pollution include turning off appliances, using earplugs, lowering volume, planting trees and regular vehicle maintenance.
ISOCARP @ WUF10 | Mobility for carbon-friendly citiesTjark Gall
The session was held at the ISOCARP booth during the Tenth Session of the World Urban Forum in Abu Dhabi in February 2020. The speakers were:
Pascal Smet, Secretary of State of the Brussels-Capital Region, responsible for Urbanism and Heritage, European and International Relations, Foreign Trade and Fire fighting and Emergency medical Assistance
Eleri Jones, Foresight and Urban Policy, Space Syntax
Annemie Wyckmans, Norwegian University of Science of Technology (NTNU)
Joachim Bergerhoff, Team Leader SMMR Project, implemented by GFA on behalf of GIZ
This document presents a Memorandum of Understanding for a COST Action called CYBERPARKS. The objective of CYBERPARKS is to strengthen dialogue between research on public spaces and ICT development. It will explore the relationship between ICT technologies and public spaces from social, ecological, and urban design perspectives. The Action aims to cross-pollinate these fields to generate improvement activities and spark new ideas. It will create a research platform and network to share knowledge on how ICT impacts the production and use of public open spaces as they relate to sustainable urban development. The economic impact of the Action's activities is estimated at EUR 52 million. The Memorandum will take effect when accepted by at least five parties and remain in
EIP Water Action Group City Blueprints September 2013EIP Water
The City Blueprint for Water is a baseline assessment of the sustainability of water management in a city (or other dominantly urban region). The result allows a city to quickly understand how advanced it is in sustainable water management and enables it to compare its status with other leading cities.
This project is one of nine Action Groups selected by the European Commission as an initial EIP Water Action Group.
Sixteen cities/regions have participated so far (August 2013) and many others are being approached. This is an opportunity to take part in a new and innovative programme to help improve city-level water stewardship, in the spirit of smart and sustainable cities.
The basic output is a simple radar chart as shown in the example from Melbourne at the top of this page. The chart provides a quick visual representation of the city’s water stewardship status, and is a tool for easy comparison between cities. It covers 24 key water-related subject areas, such as water footprint, water scarcity, water quality, drinking water availability and wastewater management.
A City Blueprint is just the first step on a journey of communication and cooperation between cities. A key intention is to encourage cities to share their best practices with others, and for all to improve. A website will be developed to facilitate this. All cities are different. Some are advanced in a few or many subject areas. Some have much work to do. The aim is not to highlight failings, but instead to help a city identify areas of focus for improvement, and to learn from the best practices of others, as well as demonstrating and sharing their own best practices.
A gis analysis of noise islands in calabar metropolis, nigeriaAlexander Decker
This document summarizes a study that used GIS to analyze noise levels in Calabar, Nigeria. Noise measurements were taken using a sound level meter at various locations, which were georeferenced using a GPS. The noise data was analyzed in ArcGIS software to generate noise maps showing noise levels and their spatial and temporal distribution. The results showed higher noise levels in industrial, commercial, and transportation areas that peaked in the afternoon and declined in the evening. Residential areas had lower but sometimes moderately high noise levels on certain days. The study recommended restricting noisy activities from residential areas and using noise attenuation techniques.
IRJET- Increasing Noise Pollution in SRTM University Campus Area of Vishn...IRJET Journal
This document summarizes a study on increasing noise pollution in the Swami Ramanand Teerth Marathwada University campus area in Nanded, India. Noise levels were measured between January 2018 and December 2018 at 20 sampling sites, including locations designated as silence zones, residential areas, and commercial areas. The results found noise levels exceeding permissible limits set by the Central Pollution Control Board, with some commercial areas reaching up to 85 dB during the day. Increasing population, urbanization, construction activities, and vehicle traffic were concluded to be contributing factors to rising noise pollution levels in the university campus area.
IRJET - Noise Pollution at Major Intersection in Jaipur City and its Mitigati...IRJET Journal
This document summarizes a study on noise pollution from road traffic in Jaipur City, India. Six locations around the city were selected for noise level measurements over a period of 15 days. The sites represented different land uses like residential, commercial and industrial areas. Noise levels were found to exceed safe limits specified by pollution control authorities. Higher noise levels were observed in residential and commercial areas compared to agricultural lands. Noise levels increased with rising traffic volumes and were lower farther from roads. The conclusions recommend noise mitigation measures and note the need for further research on noise measurement, analysis and abatement.
Mobile communication environmental impact for smart citiesSarvesh Meena
This document discusses the environmental impacts of mobile communication technologies used in smart cities. While mobile communication enables many benefits for smart cities, it also poses environmental and health risks due to radiation. The document outlines both the positive role of mobile networks in connecting smart city infrastructure, as well as the negative effects of radiation from mobile towers and devices on human health. It proposes some solutions to mitigate the environmental risks, such as limiting wireless networks, developing less radiation-intensive technologies, and educating people on reducing radiation exposure from mobile devices.
The NoiseTube project aims to address issues with limited environmental data by enabling citizen participation in data collection using mobile phones. Citizens can use phone microphones to measure and tag noise pollution levels, contributing to a collaborative noise exposure map. A real-world experiment found phone noise measurements to be accurate to within 2-6.5 dB compared to professional sound level meters. The project empowers citizens by giving them a way to monitor and share local environmental information in real-time through social networks and visualizations.
Monitoring and reducing noise related to movida real cases and smart solutions Fosca Fimiani
The University of Bologna, founded in 1088, is the oldest university in the world. Noise levels from nightlife activity regularly exceed limits in residential areas near student gathering spots. A proposed smart noise control system would use networked sensors to monitor sound levels in real-time, identify critical areas, and display maps to help regulate activity and notify residents. The system aims to balance business and residential needs through established noise limits and warnings.
Status of noise in yeshwanthpur circle (bangalore north) based on on site dat...eSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Determinants and effects of infomobility at the city levelLuigi Reggi
This document summarizes a presentation on determinants and effects of infomobility (intelligent transport systems) at the city level. It discusses research questions around factors influencing the provision of infomobility services in cities and the relationship between urban pollution and ITS development. It reviews literature on smart cities and the role of ITS in reducing traffic pollution. It describes the data sources, including urban and transport datasets from Eurostat and a study of e-services by public transport companies and municipalities in EU cities.
Urban-Centric Lighting Task Group: Tactical Lighting as an innovation strategyAlberto Barberá
The document discusses a research project by an Urban Lighting task group to develop innovative urban lighting strategies based on scientific evidence. The group aims to test their framework through a tactical lighting intervention in an urban park in Barcelona. Their approach focuses on using darkness as an asset to minimize health impacts while providing adequate lighting when needed through spectral tuning and wireless controls. The research questions how to identify objective urban lighting guidelines that promote ecological health and environmental justice while ensuring smart lighting is only used for these purposes, not surveillance. The group will test their prototypes and strategies in the park as a controlled experiment before proposing a larger intervention.
Aligning Past to Future: Recognizing Historical Development and Applying Inte...KyraFermelVictoria
This document discusses a case study of the urban development in Naga City's Central Business District 1 Sector 3 in the Philippines. It aims to identify environmental, accessibility, and socio-cultural issues in the area and propose urban design solutions. The researchers conducted an analysis of the sector's natural conditions, facilities, and effects of poor planning. Their objectives are to improve the environment, address mobility problems, and preserve historical sites. Potential strategies discussed include strengthening waste management, providing walkable and bikeable infrastructure, and raising public awareness of cultural conservation. Design solutions proposed are a pay parking area, widened pedestrian walkways, sustainable drainage, solar-powered lighting, bike lanes, tree guards, and self-cleaning surfaces. The
Multicriterial Analysis Applied to the Urban Environment of The Industrial Ar...IJMERJOURNAL
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Voluntary noise mapping for smart city
1. VOLUNTARY NOISE MAPPING FOR SMART CITY
V. Poslončec-Petrić a
*, V. Vukovićb
, S. Frangeša
, Ž. Bačića
,
a
Faculty of Geodesy University of Zagreb, 10 000 Zagreb, Croatia - (vesna.posloncec, sfranges, zbacic) @geof.hr
b
GEO-BIM d.o.o., Starogradska 25, Samobor, Croatia - valentina.vukovic100@gmail.com
KEY WORDS: noise map, smart city, crowdsourcing
ABSTRACT:
One of the main concept objectives of smart cities is to create a quality living environment that is long-term sustainable and
economically justified. In that context, modern cities are aware of the exposure to various forms of physical and non-physical
pollution that needs to be remediated, eliminated or reduced. To achieve that it is necessary to quality determine the sources and
reasons of each pollution. The most prominent examples of physical pollution that affects the quality of life of citizens in cities are
light and noise pollution. Noise pollution or noise, is mostly the consequence of road and rail traffic in cities and it directly affects
the health of citizens. Traffic control, reduction of peak congestion, dispersion and traffic redirection or building protective barriers,
are ways that cities use to reduce the amount of noise or its effects. To make these measures efficient it is necessary to obtain the
information related to the level of noise in certain areas, streets, cities. To achieve this, smart cities use noise mapping.
The city of Zagreb since 2012, participates in the i-SCOPE project (interoperable Smart City services trough Open Platform for
urban Ecosystems). i-SCOPE delivers an open platform on top of which it develops, three "smart city" services: optimization of
energy consumption through a service for accurate assessment of solar energy potential and energy loss at building level,
environmental monitoring through a real-time environmental noise mapping service leveraging citizen's involvement will who act as
distributed sensors city-wide measuring noise levels through an application on their mobile phones and improved inclusion and
personal mobility of aging and diversely able citizens through an accurate personal routing service. The students of Faculty of
Geodesy University of Zagreb, who enrolled in the course Thematic Cartography, were actively involved in the voluntary data
acquisition in order to monitor the noise in real time. In this paper are presented the voluntary acquisitioned data of noise level
measurement in Zagreb through a mobile application named Noise Tube, which were used as the basis for creating the dynamic
noise map.
The paper describes how citizens through voluntarily collected geoinformation can directly influence decision-making in their
community, which certainly affects the quality of life.
* Corresponding author
1. SMART CITY & SMART PEOPLE
According to the United Nations data (OUN, 2014), in 1950s
only 29% of the world population resided in urban areas.
Today, that percentage increased to 50%, and it is predicted that
by 2050, 70% of the population will be residing in urban areas.
In Europe, this percentage is higher and amounts to 80%.
According to some sources, the city is an area with high
population density, where most population works in industry,
commerce and services. It is necessary to resolve some
infrastructural problems such as energetics, energy efficiency,
public lighting, urban water supply and drainage, traffic, and,
last but not least - the impact on the environment. But how can
a city affect everything that happens, plan, think and finally
act? The answer to these questions is the concept of smart
cities. A smart city is a place where traditional networks and
services are more efficient due to the use of digital and
telecommunication technologies, in order to improve the
quality of life of its citizens and to make progress with the
business sector.
The increasing number of inhabitants in the cities and the
development of information and communication technology
induced the development of new concepts in city management
in order to allow sustainable development. Today's concept of
smart cities is a result of the gradual development of knowledge
and ideas related to the problems of modern cities. The oldest
city concept is digital city that was used to organize city's
digital initiatives, for what was later used the term cyber city.
The next stage in the development of the concept were
ubiquitous cities (U-cities) which today evolved into the
concept of smart cities (Schuurman et al., 2012)
The concept of smart city is linked to the concept of smart or
participating citizens, who actively participate in the realization
of smart cities, both through participation in decision-making
processes and, more specifically, in gathering various
information needed to create a base, the starting data sets. The
voluntary gathering of information about the area or the state of
the area by the citizens (crowdsourcing) represents a
significant step forward in the design of control systems and
enables the elimination of certain weaknesses of the concept of
smart cities (Schuurman et al., 2012).
2. NOISE & ENVIRONMENT
In addition of improving the quality of life of citizens,
environmental concerns also need to be considered. The well
known statement by Robert Koch in 1905 declared that the day
when man will have to fight noise as inexorably as cholera and
the plague will certainly come.
Today, noise is defined as any unwanted sound in the
environment where people live and work, causing an
uncomfortable feeling and can adversely affect health.
Sensitivity to noise depends on the characteristics of noise
(strength, rhythm, content), individual characteristics of
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume IV-4/W1, 2016
1st International Conference on Smart Data and Smart Cities, 30th UDMS, 7–9 September 2016, Split, Croatia
This contribution has been peer-reviewed. The double-blind peer-review was conducted on the basis of the full paper.
doi:10.5194/isprs-annals-IV-4-W1-131-2016 131
2. exposed person (state of hearing organs, age, individual
sensitivity to noise) and also on the length, type and mode of
exposure (person's position towards the source of the noise, the
presence or absence noise during the holidays taken during
working hours and leisure). The main sources of noise in
outdoors are traffic (figure 1), constructional and public work,
industry, recreation, sport and entertainment. In a closed living
space noise sources are service units related to residential
building, household machinery and noise from the
neighbourhood (Resanović et al., 2011).
Figure 1. Big noise in Europe (A look on Slavonska avenija –
main road through Zagreb), (Index.hr, 2009)
As a result of noise increasement caused by urbanization and
today's lifestyle, noise and noise pollution is also referred to as
modern plague (Goines and Hagler, 2007), given that a
significant percentage of the population suffers temporary or
permanent effects of exposure to noise. Considering that the
sources of noise are product of human activity, it is possible to
act on the overall noise reduction. Since the noise pollution is a
phenomenon that occurs in the cities, it is logical that its
reduction is the subject of interest of the city and city
governments, especially in the context of the implementation of
the concept of smart cities. In resolving the noise pollution, it is
necessary for a smart city to have information about the noise
level at locations throughout the city, as well as the sources that
generate the noise, which is nowadays conducted through noise
mapping.
2.1 Noise maps
Noise maps are defined as representations of the current and
anticipated level of noise emissions at all sites within the study
area, depending on one particular or all sources of noise. Noise
control act (NN 20/03) defines the measures to avoid, prevent
or reduce harmful effects on human health caused by
environmental noise, including noise annoyance – by creating
noise maps based on methods for assessing the noise in the
environment and developing action plan based on the data used
in the preparation of noise maps.
Noise map provides insight into the problems of noise control,
and provides a clear, unambiguous and easily readable image of
these problems. Apart from this, it provides a more effective
spatial planning, noise protection planning of existing areas
from noise sources, and the implementation of "acoustic area
zoning" in accordance with legally permissible noise levels.
Environmental noise management system is set up with the help
of strategic noise maps, action plans and conflict noise maps.
Strategic noise maps are noise maps that represent an individual
source of noise, i.e. road, rail and air traffic, industrial activities
including sea and river traffic and the accompanying
infrastructure and facilities for sport and recreation, etc.
Act relating to the noise mapping in Croatia is the Ordinance on
the method of preparation and content of noise maps and action
plans as well as the methods of calculating permissible noise
indicators (NN 75/09). According to this act, computational
methods for assessment and evaluation of environmental noise
are methods from the European Union guidelines on the
computation methods for calculating noise in industrial areas,
major roads, major railways and major airports. The Act also
regulates the preparation and content of strategic noise maps,
action plans, and the conflict noise maps.
Strategic noise maps is prepared for the time period 'day', 'night'
and 'day-evening-night' (NN 75/09) (Figure 2). A conflict noise
map is a difference map noise intended to produce action plans,
and action plans are plans designed to manage environmental
noise and its harmful effects, including noise protection
measures (NN 05/07).
Noise maps are made using a computer with software that
analyses and predicts the propagation of sound in a given
model. To create a noise map, which accurately describes the
current situation it is necessary to obtain data through
measurements (Jambrošić 2011).
Figure 2. Strategic noise map of road traffic of the city of Split (DARH 2, 2009)
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume IV-4/W1, 2016
1st International Conference on Smart Data and Smart Cities, 30th UDMS, 7–9 September 2016, Split, Croatia
This contribution has been peer-reviewed. The double-blind peer-review was conducted on the basis of the full paper.
doi:10.5194/isprs-annals-IV-4-W1-131-2016 132
3. 3. THE AIM OF CREATING THE DYNAMIC NOISE
MAP OF ZAGREB
One of the projects dealing with the development of technology
for smart city services is i-SCOPE project (Interoperable Smart
City services through an Open Platform for urban Ecosystems).
3.1 ISCOPE project
i-SCOPE project was started in January 2012. It is carried out
under the European Commission program ICT-PCP (The
Information and Communication Technologies Policy Support
Programme).
Objective of the project is to develop and to test technology for
smart city services with the use of specially designed web
platform based on open 3D Urban Information Model (UIM).
The i-Scope project creates an infrastructure that will
demonstrate how these models can integrate spatial data from a
wide variety of sources to develope tools for analysis,
visualisation and stimulation (Ford et al., 2015). The use of 3D
model is required when calculating two of the three services
developed in the project.
3D UIM is created with the use of geospatial information and it
can be used to create „Smart Internet services“ based on
geometric, semantic, morphological and structural information
on city level. Cities can use UIM for improving decision-
making related to urban planning, city management,
environmental protection and energy consumption based on the
pattern and morphology, promoting inclusion among different
users (e.g. elderly and citizens with different abilities) through
services that include the obstacles in the city and through
involving citizens in order to obtain georeferenced information
related to a particular type of service (i-SCOPE, 2015).
The objectives include the development of three smart city
services:
1. optimization of energy consumption through a service
for accurate assessment of solar energy loss at building
level,
2. environmental monitoring through a real-time
environmental noise mapping service involving citizens
who act as distributed sensors measuring noise levels
through their mobile phones
3. improved inclusion and personal mobility of aging and
diversely able citizens through an accurate personal
routing service.
Assessment of solar energy potential service is aimed at
optimizing energy consumption through accurate assessment of
solar potential and energy loss at building level. Application
allows calculation of solar potential with high precision, based
on accurate 3D models of urban landscapes. To provide the
information on the solar potential at building level, a 3D model
of roofs is needed. Energy efficiency at the urban level is
estimated through generation of energy emission maps on the
basis of aerial thermal camera. The obtained solar atlas allows
building owners planning of installation of renewable energy
systems such as photovoltaic cells and solar panels, based on
the solar potential for every single building (figure 3).
Real time noise monitoring service is created by mapping the
measured noise levels with the help of the citizens who take on
the role of sensors by measuring noise with the use of
application on their mobile phones (figure 4) (i-SCOPE, 2015).
Figure 3. Platform containing available information about solar
energy potential at building level
Figure 4. Dynamic noise map on the web platform
with a 3D model
Personal routing service can help elderly users and increase
mobility of differently-abled people. The service provides
routing and creating routes of movement, while taking into
account the detailed data and the characteristics of the urban
area, including barriers to movement, information on path slope
and other surface characteristics. For these reasons a 3D UIM is
needed. These data is used to form the text that describes a
specific area or route, suitable for portable or mobile phones
adjusted for people with vision disabilities (figure 5).
Figure 5. Platform with available information and routes of
movement for senior citizens
iSCOPE project includes 9 cities (Zagreb, Zadar, Vienna,
Lazio, Indjija, Trident, Malta, Newcastle and Baia Mare). The
duration of the project is 36 months (it was completed in July
2015), with the total value of the project of 4.040.000,00 euros.
The official web site of the project is: http://iscope.graphitech-
projects.com (i-SCOPE, 2015).
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume IV-4/W1, 2016
1st International Conference on Smart Data and Smart Cities, 30th UDMS, 7–9 September 2016, Split, Croatia
This contribution has been peer-reviewed. The double-blind peer-review was conducted on the basis of the full paper.
doi:10.5194/isprs-annals-IV-4-W1-131-2016 133
4. 3.2 NoiseTube application
For noise measuring with the user's smartphone, in the context
of this project, the NoiseTube application was used.
Application was developed within the same research project
started in 2008 at Sony Computer Science Lab in Paris, and is
based on a participatory approach for controlling noise
pollution that includes the general public to use their mobile
phones to measure noise exposure in everyday surrounding
(NoiseTube, 2015). Voluntary approach promotes the project
and allows anyone to participate in creating the collective noise
map by sharing geolocated measurements with the NoiseTube
community.
Before starting the measurement it is necessary to do a simple
user registration on www.noisetube.net (figure 6) and after
downloading the application adjust settings on the user's
smartphone.
Figure 6. NoiseTube web page
Upon completed measurements, the data can be saved locally or
uploaded on NoiseTube server. The processing of the measured
noise data usually takes 24 hours or less, and after receiving an
email notification, the data can be downloaded in .json of .kml
format (Vuković i dr., 2015a).
4. DYNAMIC NOISE MAPPING OF THE CITY OF
ZAGREB WITH THE USE OF VOLUNTARILY
OBTAINED DATA
One of the services developed as part of the i-SCOPE project is
a system for monitoring noise levels in cities, considering that
noise is one of the most widespread environmental problems in
Europe, with serious consequences on human health.
Monitoring of noise is conducted with the help of a mobile
phone application that involves citizens who voluntarily acquire
noise data in their surroundings. The data allows creating a
noise map that gives a realistic image of this important issue in
a city such as Zagreb.
Noise map as a basis for acquiring systematized and
standardized knowledge on noise pollution in city areas, or as a
basis for taking measures to reduce noise pollution generally
must meet certain criteria. First of all, the amount of data
collected must be adequate or redundant and well distributed
throughout the area where measurements were conducted. Data
should also be obtained in a specific period of time or
continuously collected in a sufficient extent. This requires the
city government to use new methods of communication and
interaction with citizens to activate citizen engagement.
4.1 Crowdsourcing
By definition, crowdsourcing is the act of taking a job
traditionally performed by a designated agent (usually an
employee) and outsourcing it to an undefined, generally larger
group of people in the form of an open call (Howe, 2006). The
term was shaped by the journalists Jeff Howe and editor Mark
Robinson of Wired magazine in 2006 in an article on the issue,
after which it became globally used.
Although the term is most commonly associated with the use od
the Internet, it is not a novelty. The best known and globally
approved project established on the principle of crowdsourcing
is an example of the Oxford dictionaries from 1884, when an
open call for volunteers was sent for contribution to indexing of
all words in the English language with examples of their use
with quotations. Wikipedia itself functions in a similar way,
only with the use of the Internet; users who have certain
knowledge related to a specific subject are free to contribute to
the creation of the global online encyclopaedia. Individuals are
not paid for their work, their contribution is exclusively
voluntary. OpenStreetMap project, inspired by Wikipedia,
allows users to contribute to the creation and editing of world
maps. User registration is required and data collected using
GPS devices, aerial photogrammetry or other free sources can
be shared with the community. That way OpenStreetMap
collects, updates and offers free geographic data, such as city
maps, to anyone for use and editing.
The appearance and distribution of mobile telephones has taken
crowdsourcing to a new level. Nowadays, most people in our
everyday surrounding own mobile telephone, mostly
smartphone. Smartphones are available at very affordable
prices and include many built-in sensors such as camera, GPS
receiver, microphone, proximity detecting sensor, compass,
accelerometer, gyroscope etc. With the use of sensors, it is
possible to obtain a variety of information quickly and easily,
and with the development of technology, information will
become more precise and diverse. The main motivation for
involving users with their devices is the possibility of obtaining
a large amount of information that requires the use of sensors.
Motivation is the main problem to be solved with the inclusion
of a large group of people to achieve a certain goal. Users can
be motivated in different ways: money, personal gain, moral
impulses for contribution to the community or some other
subjective motivation. The former highly successful
collaborative projects mentioned above have shown that is
certainly possible to motivate the users to participate without
gaining financial benefit.
NoiseTube project relies on motivating users by offering a free
smartphones application to usage (which can also be used for
personal purposes without sharing information with the
community) and every user that is a citizen in a larger city
encounters with noise on a daily basis. This way the awareness
of this problem increases among the affected citizens, and
together they can participate in its resolution (Vuković, 2015).
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume IV-4/W1, 2016
1st International Conference on Smart Data and Smart Cities, 30th UDMS, 7–9 September 2016, Split, Croatia
This contribution has been peer-reviewed. The double-blind peer-review was conducted on the basis of the full paper.
doi:10.5194/isprs-annals-IV-4-W1-131-2016 134
5. 4.2 Voluntary measurements by the students of the Faculty
of Geodesy of the University of Zagreb
The students of Faculty of Geodesy, University of Zagreb, who
enrolled in the course of Thematic Cartography, were actively
involved in second component of the iScope project, i.e
voluntary data acquisition in order to monitor the noise in real
time using smartphone application. Upon completed installation
of the NoiseTube application, the area in the centre of Zagreb
was selected (near Faculty) to perform the measurements and to
test the application.
A total of 9 students used their smartphones to perform the
measurements during one week. Before measuring the level of
noise, each student was required to install the NoiseTube
application on their smartphone to turn it into a sound sensor.
They also completed a free user registration on the NoiseTube
website. Using the installed application and GPS receiver in
their phone, the measurements were very easy to collect. The
application is simple to install and use.
While measuring, the application shows the level of noise in
decibels with a graph. The data registration interval is two
seconds.
Measurements were peformed during the day, between 9 a.m.
and 7 p.m. in the center of Zagreb. It is recommended that
single measurement lasts at least 5 minutes. Average student
contributed with around 4000 measurements, which took about
2 to 3 hours to complete. Upon completed measurement, the
data is automatically sent to the NoiseTube web site, from
where can be downloaded in .kml format, (Keyhole Markup
Language - a file format used to display geographic data in an
Earth browser such as Google Earth) and used in any .kml file
supporting software. The data processing on the web site
usually takes a couple of hours before it is available for
downloading.
Visualization of the original measurement data is displayed in
Google Earth in Figure 7.
Figure 7. The original measurements displayed in
Google Earth (Vuković et al., 2015b)
4.3 Data processing and analysis
During the campaign a total of 36 993 measurements were
conducted in the area of 1400 x 2800 meters. The measured
noise level is in the range from 35 dB to 130 dB. It is important
to point out that the data refers to overall level of noise present
at the time of measuring. That way it is possible to get a very
detailed overview of the noise level in the city, and the amount
of data that is easily collected by the citizen’s gives a fair
presentation of the state and pollution in a large, busy and urban
city.
Data processing was carried out in QGIS. The data was
organized in attribute tables. The areas of measurements were
divided in squared areas sized 50 x 50 meters for later
computations to be performed and the total area was reduced to
1000 x 700 meters to obtain more detailed data for the final
results, as the redundancy of the obtained measurements
contributes to their reliability. The selected area is in the center
of the city of Zagreb. It contains some of the main traffic streets
- Savska street, and other, Vodnikova, Jukićeva, Marko Marulić
square, Koturaška etc. During the day there is a lot of road and
tram traffic on these streets, so the expected noise level is high,
since the road traffic is one on the largest noise sources in
general. The area also contains parks, yards, playgrounds and
botanical garden, where expected noise level is lower.
In order to facilitate the visualization and manipulation of the
data, obtained measurements are divided into classes and their
corresponding selected colour, depending on the measured level
of noise, as shown in Figure 8. To get a better and simpler
representation of the obtained data, arithmetic mean for each 50
x 50 area was calculated (Figure 9).
Figure 8. Classified measurements displayed in QGIS (blue and
green dots represents lowest noise levels, red and purple the
highest) (Vuković, 2015)
Figure 9. Representation of calculated average noise level
displayed in QGIS on digital ortophoto (Vuković, 2015)
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume IV-4/W1, 2016
1st International Conference on Smart Data and Smart Cities, 30th UDMS, 7–9 September 2016, Split, Croatia
This contribution has been peer-reviewed. The double-blind peer-review was conducted on the basis of the full paper.
doi:10.5194/isprs-annals-IV-4-W1-131-2016 135
6. A quick view on the given graphic representation suggests, as
expected, rather high noise levels on the selected area. The
highest levels of noise were recorded near roads and railways,
where the map shows mostly red squares. The average noise
level in those areas is between 70 and 80 decibels. Other than
road and tram noise, every 5 to 15 minutes the train passes
through the area, causing additional noise. Other areas such as
playgrounds and gardens show less noise, but being in the close
area of traffic, the average noise is around 60 decibels. There is
hardly any area with noise less than 50 to 60 decibels, and those
areas are shown in green squares. The specific green area where
the lowest noise levels were recorded is on the lower left corner
of the map in figure 9, is the yard of the Tehnical museum,
which is protected from noise with surrounding objects. The
map confirms the predictions, and although more additional
measurements will probably show a similar result in the final
graphical representation, it would surely add weight to its
precision and reliability.
5. CONCLUSION
Noise map presented in this paper, was created using a free
application NoiseTube, a free software QGIS and with the help
of students from the Faculty of Geodesy who helped to collect
the data while walking the streets of Zagreb. However, to get a
representation that gives realistic, total and complete image of a
noise problem faced by the residents of a certain city, it would
be necessary to give each citizen a device that will measure the
levels of noise to which he is exposed, wherever he goes, at any
time, regardless of the noise source. That is made possible with
the service of noise monitoring in real time through iSCOPE
platform and NoiseTube application.
The advantage of a cartographic representation created by
participating users is that the map where users contribute, with
their constant encouragement to participate, doesn't expires, and
over time the number of data increases and it becomes more
accurate and complete.
For all projects where community participation is needed, it is
very important to motivate the public, and in this case it can be
achieved by presenting the obtained data on the amount of
noise and noise pollution, for which citizens certainly have
interest.
Figure 10. Scaled Noise map of the city of Zagreb created using the voluntarily measured data with the
NoiseTube application (Vuković, 2015)
ACKNOWLEDGEMENTS
Many thanks to Mrs. Sandra Hamin and Mr. Damir Loncaric
from the Office for Energy, Environmental Protection and
Sustainable Development of City of Zagreb, for engaging us in
this extremely interesting project.
Thanks to the students of the Faculty of Geodesy, University of
Zagreb who attended the course of Thematic Cartography
during the academic year 2014/2015, who helped during April
2015 to collect noise measurements with their mobile phones.
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume IV-4/W1, 2016
1st International Conference on Smart Data and Smart Cities, 30th UDMS, 7–9 September 2016, Split, Croatia
This contribution has been peer-reviewed. The double-blind peer-review was conducted on the basis of the full paper.
doi:10.5194/isprs-annals-IV-4-W1-131-2016 136
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ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume IV-4/W1, 2016
1st International Conference on Smart Data and Smart Cities, 30th UDMS, 7–9 September 2016, Split, Croatia
This contribution has been peer-reviewed. The double-blind peer-review was conducted on the basis of the full paper.
doi:10.5194/isprs-annals-IV-4-W1-131-2016 137