Geoinformatics ppt
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Geoinformatics refers to the science of processing geospatial data for storage, analysis, and presentation. It involves acquiring, managing, analyzing, modeling, and developing tools for geospatial data. The three main components of geoinformatics are geographical information systems (GIS), remote sensing, and global positioning systems (GPS). GIS stores, analyzes, and displays both spatial and non-spatial data. Remote sensing acquires information about objects from a distance by analyzing the electromagnetic energy returned from objects. GPS provides precise location information expressed as latitude and longitude by measuring signals from satellites. Geoinformatics has many applications in fields like urban planning, environmental analysis, agriculture, and more.
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Geoinformatics
This document defines and describes the key concepts in geoinformatics. It begins by defining geoinformatics as the science and technology dealing with the acquisition, storage, processing, and dissemination of geographic information. The main branches of geoinformatics discussed are remote sensing, geographic information systems, cartography, global navigation satellite systems, photogrammetry, and database management systems. Remote sensing is defined as acquiring information about objects without physical contact, using sensors on platforms like aircraft and satellites. Geographic information systems are computer systems for storing, analyzing, and displaying geographic data. Cartography is the art, science, and technology of mapmaking.
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Here is a presentation prepared by me on Remote sensing and its Applications in agriculture. This presentation created after studying many regarding websites, articles and research papers. Thank You
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This document discusses remote sensing and geographic information systems (GIS). Remote sensing involves collecting data about objects from a distance using electromagnetic energy and sensors. It works through various stages including energy source, interaction with the target, sensor recording, processing, and interpretation. Remote sensing has applications in resource exploration, environmental monitoring, and land use analysis. GIS integrates spatial data using computer hardware, software, and trained personnel. It has advantages like visualization and modeling capabilities, and disadvantages like high costs and data errors. The future of remote sensing and GIS is promising as more industries adopt these technologies.
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India is a country that depends on agriculture. Today in this era of technological supremacy, agriculture is also using different new technologies like some robotic machinery to remote sensing and Geographical Information System (GIS) for the betterment of agriculture. It is easy to get the information about that area where human cannot check the condition everyday and help in gathering the data with the help of remote sensing. Whereas GIS helps in preparation of map that shows an accurate representation of data we get through remote sensing. From disease estimation to stress factor due to water, from ground water quality index to acreage estimation in various way agriculture is being profited by the application of remote sensing and GIS in agriculture. The applications of those software or techniques are very new to the agriculture domain still much more exploration is needed in this part. New software’s are developing in different parts of the world and remote sensing. Today farmers understand the beneficiaries of these kinds of techniques to the farm field which help in increasing productivity that will help future generation as technology is hype in traditional system of farming.
Introduction to Remote Sensing- by Wankie Richman
The document discusses remote sensing and provides details about the electromagnetic spectrum used in remote sensing. It covers:
- Remote sensing involves obtaining information about objects without physical contact using electromagnetic radiation from different parts of the spectrum.
- The electromagnetic spectrum ranges from gamma rays to radio waves and remote sensing utilizes specific portions including ultraviolet, visible, infrared, and microwave regions.
- Key aspects of electromagnetic radiation discussed include wavelength, frequency, and how different regions of the spectrum interact with materials and can be detected.
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GIS is a computer system that can assemble, store, manipulate, and display geographic data. It efficiently captures, stores, updates, analyzes and displays geographically referenced information through hardware, software, data and personnel. GIS allows for data capture through various methods, storage of data in both physical and digital forms, manipulation through editing attributes, and analysis to aid in decision making. It has advantages like easily analyzing locations, general purpose problem solving, and mapping. The scope of GIS includes using its functions to find locations of hospitals, schools, businesses, government offices and transportation hubs.
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Galileo used early optical enhancements in the 1600s to observe celestial bodies and merchant ships arriving in harbor. In the 1880s, Arthur Batut affixed cameras to kites, including an altimeter to determine the scale of images, making him the father of kite aerial photography. By 1903, camera miniaturization allowed cameras to be attached to pigeons for aerial photography, though images were limited. During the Cuban Missile Crisis in 1962, U-2 spy planes detected Soviet nuclear missiles in Cuba using remote sensing, changing the course of history.
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This document provides an overview of geoinformatics, which involves the use of information technology for geospatial data. It discusses key components of geoinformatics like geography, remote sensing, GPS, GIS, cartography, geodesy, and photogrammetry. These components are used for collecting, analyzing, storing, and disseminating spatial information about the Earth. The document also outlines some applications of geoinformatics in fields like emergency services, public health, transportation, and military. Overall, geoinformatics allows for analyzing and visualizing geospatial data to better understand and make decisions about the Earth.
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Remote sensing uses sensors on airborne or spaceborne platforms to detect and record electromagnetic radiation from objects. It has two main phases - data acquisition through sensors and data analysis. In geology, remote sensing is used to map lithology, structures, and monitor hazards. It helps identify rock types and map faults, which aids mineral and hydrocarbon exploration. Structural lineaments identified from remote sensing help locate ore deposits. Remote sensing also assists with geological mapping, geomorphology studies, hydrology monitoring, and other environmental applications.
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This Slide don't give answers for the question that asked in your exam. But it help for the one who wants explore geoinformatics.
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- Remote sensing involves obtaining information about objects without physical contact using electromagnetic radiation from different parts of the spectrum.
- The electromagnetic spectrum ranges from gamma rays to radio waves and remote sensing utilizes specific portions including ultraviolet, visible, infrared, and microwave regions.
- Key aspects of electromagnetic radiation discussed include wavelength, frequency, and how different regions of the spectrum interact with materials and can be detected.
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GIS is a computer system that can assemble, store, manipulate, and display geographic data. It efficiently captures, stores, updates, analyzes and displays geographically referenced information through hardware, software, data and personnel. GIS allows for data capture through various methods, storage of data in both physical and digital forms, manipulation through editing attributes, and analysis to aid in decision making. It has advantages like easily analyzing locations, general purpose problem solving, and mapping. The scope of GIS includes using its functions to find locations of hospitals, schools, businesses, government offices and transportation hubs.
History of remote sensing
Galileo used early optical enhancements in the 1600s to observe celestial bodies and merchant ships arriving in harbor. In the 1880s, Arthur Batut affixed cameras to kites, including an altimeter to determine the scale of images, making him the father of kite aerial photography. By 1903, camera miniaturization allowed cameras to be attached to pigeons for aerial photography, though images were limited. During the Cuban Missile Crisis in 1962, U-2 spy planes detected Soviet nuclear missiles in Cuba using remote sensing, changing the course of history.
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GIS and remote sensing can be used together for various applications. GIS is a system for gathering and analyzing geographic data, while remote sensing detects physical characteristics of an area from a distance using sensors. Some key uses of the technologies together include mapping geological features, monitoring sand and gravel deposits, exploring for minerals and hydrocarbons, and studying environmental and plant geography.
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The document discusses geostationary satellites and related technologies. It provides details on:
- What defines a geostationary satellite's orbit and how it revolves with the Earth's rotation.
- The purposes of geostationary satellites including communication, broadcasting, earth observation, and military/remote sensing applications.
- The design of typical early geostationary satellites, which were spin-stabilized cylinders around 3 meters long supplemented with solar panels and communication antennae.
- Issues around limited orbital slots in geostationary orbit and conflicts between countries over access to frequencies and positions.
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The document discusses the application of remote sensing and geographical information systems (GIS) in civil engineering. It provides definitions of remote sensing as remotely sensing objects on Earth and GIS as a system to capture, store, analyze and present geographically referenced data. The document outlines some basic concepts of GIS including its origins from technologies like computer-aided cartography and databases. It also discusses data types in GIS like spatial data, attributes and different data models. Common software, functional elements and applications of GIS in areas like facilities management and environmental planning are summarized as well.
Identification Of Ground Water Potential Zones In Tamil Nadu By Remote Sensin...
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RS_GIS_Crop_monitoring-converted.pptx
Remote sensing uses sensors on platforms like satellites and aircraft to capture images of the Earth's surface. It allows crop monitoring over large areas at regular intervals. Remote sensing works by sensors detecting electromagnetic radiation reflected or emitted from objects on Earth's surface. Different objects have unique spectral signatures across electromagnetic wavelengths. Vegetation indices combine bands like near-infrared and red to quantify vegetation amounts. Remote sensing data is analyzed using geographic information systems to produce maps and reports for agricultural management and decision making.
A quick overview of geospatial analysis
Geospatial analysis is the trending system in the world which provide to help the evaluation and interpreting of spatial data.
Geospatial_Center_Brochure_2016
This document provides an overview of geospatial technology and its applications. It defines geospatial technology as a suite of technologies including GIS, remote sensing, and GPS that help capture, store, process and display spatially-referenced data. It describes new courses and an A.A.S. in Geospatial Technology offered at BCC, as well as internship opportunities with various organizations. It also discusses how geospatial technology is an emerging high-growth field and how the BCC Geospatial Center provides students opportunities to learn skills for careers in this field.
GIS VIMAL SUBBU.17.08.2022.pptx
Remote sensing is the observation of an object from a distance.
It is the art of identifying, observing and measuring an object without coming into direct contact with it by detecting and measuring the radiation of different wavelengths reflected from distant objects.
Intern report final
This document is a summer project training report submitted by Md. Fazlul Wahid to the Amity Institute of Geoinformatics and Remote Sensing to fulfill requirements for an MSc in Geoinformatics & Remote Sensing. The report was conducted under the guidance of Dr. Pebam Rocky at the North Eastern Space Applications Centre and focuses on remote sensing and GIS applications in forest monitoring. It provides an acknowledgments section and index before exploring applications such as forest cover change analysis and loss of forest cover due to shifting cultivation over 5-18 pages.
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This document discusses the application of remote sensing and GIS in urban planning. It outlines how remote sensing provides important data for mapping land use and monitoring environmental changes. GIS allows for spatial analysis and modeling of terrain, watersheds, and growth patterns. The document gives examples of how remote sensing and GIS have been used together for base map preparation, land suitability analysis, delineating sensitive areas, and monitoring urban growth. It concludes that remote sensing and GIS provide an effective tool for data collection, analysis, and innovative planning methodologies.
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Geoinformatics ppt
- 2. Geoinformatics refers to two words Geo: Related to earth Informatics: the science of processing of data for storage and retrieval. The art of science and technology dealing with the acquisition, storage, processing, production, presentation and dissemination of geo data is called geoinformatics.
- 3. The three main tasks of geoinformatics are: development and management of databases of geo data analysis and modelling of data development and integration of computer tools and software for the first two tasks.
- 4. It consists of: Geographical Information System. Remote Sensing. Global Positioning System.
- 5. Geographical Information System (GIS) It is an information technology which stores, analyses and display both spatial and non-spatial data. Elements of GIS: o Hardware o Software o Data o Live ware o Data model
- 6. Remote Sensing (RS) It is a means of acquiring information about a phenomena or subject or surface while at a distance from it. Principle: Different objects return different amount and kind of energy in different bands of the em spectrum incident upon it. This property of the objects depends on the structural, physical and chemical composition, surface roughness, intensity and wavelength of radiant energy, hence we can identify various objects by collecting and analyzing returned energy.
- 8. Global Positioning System(GPS) It is a system of earth-orbiting satellites transmitting precisely timed signals which provides direct measurement of position on the Earth’s surface and the location is expressed in latitude/longitude. The GPS receiver measures the travel time of signal transmitted from triangulated satellites. GPS provides an address to every square meter of the Earth’s surface.
- 9. Applications of Geoinformatics Many fields benefit from geoinformatics, including urban planning and land use management, in-car navigation systems, environmental modeling and analysis, military, transport network planning and management, agriculture, meteorology and climate change, oceanography and coupled ocean and atmosphere modelling, business location planning, architecture and archeological reconstruction, telecommunications.
- 10. Conclusion Geoinformatics has become an inevitable tool in recent times for research ,planning and projections of various aspects of different fields of study.
- 11. THANK YOU…