Climate Change Challenges in Transboundary River Water Resources Management presented by Dr .Mohamed AIT KADI ,GWP/Technical Committee Chair MRC at International Conference 2-3 April 2010, Hua Hin, Thailand
Clim - Presentation Transcript
1.CLIMATE CHANGE CHALLENGES IN TRANSBOUNDARY RIVER WATER RESOURCES MANAGEMENT Dr Mohamed AIT KADI GWP/Technical Committee Chair MRC International Conference 2-3 April 2010, Hua Hin, Thailand
Wastewater Treatment Trends in the 21st Century - George Tchobanoglous, Unive...marcus evans Network
George Tchobanoglous, University of California, Davis - Speaker at the marcus evans Water & Wastewater Management Summit, held in Summerlin, NV, May 3-4, 2012, delivered his presentation on Wastewater Treatment Trends in the 21st Century
Analysis of life cycle costs - Roseau Dam - final projectPaulaBauwens
The presentation considers the life-cycle costing issues that arise during the rehabilitation of the Dam and provides recommendations on how they could be properly considered through various phases of the project’s life cycle.
This document discusses water availability and productivity in the Andes region. It provides context on the heterogeneous nature of the Andes basin and competing demands on land and water resources. It then summarizes baseline data on land use, GDP, irrigation and protected areas. Several key methods are discussed for analyzing water availability, including rainfall and evapotranspiration modeling. Results show areas of water deficit and surplus. Methods for analyzing water productivity through dry matter production are also summarized. The impacts of climate change, land use change, and protected areas on water resources are assessed through modeling.
The document discusses the human impacts on water quality globally and in the Andean region from agricultural, industrial, and urban activities. It notes that land use change affects hydrological processes and downstream water users. Payment for ecosystem services schemes are one way upstream land managers can be paid to provide hydrological services like water quantity, flow regulation, and quality to downstream beneficiaries. However, spatial water quality data and models are less developed than those for water quantity and flow regulation. The document then provides methods to quantify the hydrological value of protected areas and model the human footprint on water supplies to urban areas.
Climate change and water security: Impacting decision-making processes on wat...World Agroforestry (ICRAF)
This document outlines a PhD research project on water management decision making in the Equatorial Nile Basin context of climate change and water security. It introduces the research topic and interest, provides an outline of the theoretical concepts that will guide the study, and presents some preliminary empirical results from interviews with experts in the region. These preliminary results indicate a gap between climate change experts and water managers, and that while climate change is discussed, the links to its impacts are unclear, posing a challenge for successful adaptation.
Sustainable hydraulic engineering with Build with Nature technologiesChinjuSijin
This case study examined the use of Building with Nature (BwN) principles in coastal nourishment projects. Traditionally, small amounts of sand are periodically placed on shorelines when erosion threatens a reference line. However, this risks disturbing marine ecosystems every five years. The case study looked at depositing a large, 21.5 million m3 sand volume called a "sand engine" along an 18 km coastline near Delfland, Netherlands. The goal was for waves, currents and wind to naturally distribute the sand over decades, reducing erosion and ecosystem disruption compared to traditional small, frequent nourishments. Guidelines, tools and previous examples were needed to mainstream this BwN approach.
This document summarizes a presentation on water resource management challenges in the Caribbean region in light of climate change. It discusses how climate change is exacerbating water scarcity issues through reduced and more variable rainfall. It promotes an integrated approach to water resource management from ridge to reef to build climate resilience. Key challenges include developing national water policies, financing implementation, and demonstrating tangible benefits to encourage adoption of integrated management approaches. Regional organizations are supporting country efforts through projects and programs.
Wastewater Treatment Trends in the 21st Century - George Tchobanoglous, Unive...marcus evans Network
George Tchobanoglous, University of California, Davis - Speaker at the marcus evans Water & Wastewater Management Summit, held in Summerlin, NV, May 3-4, 2012, delivered his presentation on Wastewater Treatment Trends in the 21st Century
Analysis of life cycle costs - Roseau Dam - final projectPaulaBauwens
The presentation considers the life-cycle costing issues that arise during the rehabilitation of the Dam and provides recommendations on how they could be properly considered through various phases of the project’s life cycle.
This document discusses water availability and productivity in the Andes region. It provides context on the heterogeneous nature of the Andes basin and competing demands on land and water resources. It then summarizes baseline data on land use, GDP, irrigation and protected areas. Several key methods are discussed for analyzing water availability, including rainfall and evapotranspiration modeling. Results show areas of water deficit and surplus. Methods for analyzing water productivity through dry matter production are also summarized. The impacts of climate change, land use change, and protected areas on water resources are assessed through modeling.
The document discusses the human impacts on water quality globally and in the Andean region from agricultural, industrial, and urban activities. It notes that land use change affects hydrological processes and downstream water users. Payment for ecosystem services schemes are one way upstream land managers can be paid to provide hydrological services like water quantity, flow regulation, and quality to downstream beneficiaries. However, spatial water quality data and models are less developed than those for water quantity and flow regulation. The document then provides methods to quantify the hydrological value of protected areas and model the human footprint on water supplies to urban areas.
Climate change and water security: Impacting decision-making processes on wat...World Agroforestry (ICRAF)
This document outlines a PhD research project on water management decision making in the Equatorial Nile Basin context of climate change and water security. It introduces the research topic and interest, provides an outline of the theoretical concepts that will guide the study, and presents some preliminary empirical results from interviews with experts in the region. These preliminary results indicate a gap between climate change experts and water managers, and that while climate change is discussed, the links to its impacts are unclear, posing a challenge for successful adaptation.
Sustainable hydraulic engineering with Build with Nature technologiesChinjuSijin
This case study examined the use of Building with Nature (BwN) principles in coastal nourishment projects. Traditionally, small amounts of sand are periodically placed on shorelines when erosion threatens a reference line. However, this risks disturbing marine ecosystems every five years. The case study looked at depositing a large, 21.5 million m3 sand volume called a "sand engine" along an 18 km coastline near Delfland, Netherlands. The goal was for waves, currents and wind to naturally distribute the sand over decades, reducing erosion and ecosystem disruption compared to traditional small, frequent nourishments. Guidelines, tools and previous examples were needed to mainstream this BwN approach.
This document summarizes a presentation on water resource management challenges in the Caribbean region in light of climate change. It discusses how climate change is exacerbating water scarcity issues through reduced and more variable rainfall. It promotes an integrated approach to water resource management from ridge to reef to build climate resilience. Key challenges include developing national water policies, financing implementation, and demonstrating tangible benefits to encourage adoption of integrated management approaches. Regional organizations are supporting country efforts through projects and programs.
This document summarizes a presentation given to the Delray Beach City Commission about creating a resilient community in response to sea level rise and storm surge. The presentation discusses defining resilience as the ability to bounce back and improve after stresses. It provides data on historic and projected sea level rise for the area. Potential impacts of sea level rise are outlined, including coastal flooding, erosion, saltwater intrusion, and effects on infrastructure and the economy. Partners for creating resilience are identified at the regional, state, and federal levels. The presentation recommends starting a conversation in the community about resilience and forming a coastal hazards adaptation committee to gather information and evaluate policies. It suggests using scenario planning and public engagement to develop a long-term adaptation plan.
The document discusses environmental issues that may arise from dams and diversion works, including direct impacts on habitat from infrastructure and reservoirs, indirect impacts from related development, and effects on flow patterns, sediment and nutrients, water quality, connectivity for species migration, and invasive species introduction. It provides guidance on assessing biodiversity impacts and protecting species, addressing passage for aquatic species, managing downstream flow regimes, and demonstrating need and strategic fit for hydropower projects. The document concludes that environmental concerns can be addressed through reasonable planning and management, and the best approach is early, integrated, multi-stakeholder planning at the river basin scale to balance economic, social and environmental values.
Flood alleviation options for the River Derwent are presented, including impacts and opportunities for each. Partnerships between local authorities, government agencies, and other groups could help implement solutions that have mutual objectives around flood management as well as other environmental gains. Funding availability may determine which scheme enhancements can proceed or what opportunities arise. Storage options, improved conveyance, and flood defenses are discussed at different locations in the catchment. Environmental assessments would be required for any implemented projects.
IRJET- Study of Floods Risks using Remote Sensing and Geographic Information ...IRJET Journal
This document discusses a study that used remote sensing and GIS to analyze flood risks in Omdurman, Sudan. It finds that rapid urbanization has increased flooding by covering the ground with impermeable surfaces, removing vegetation, and forcing many poor residents to live in flood-prone areas. The study analyzed land use changes over the past century in Khartoum State and how they have raised runoff and flooding in streams and the White Nile River. It concludes that areas where annual rainfall exceeds 415.5 mm are prone to floods that can destroy buildings. Remote sensing and GIS were used to process satellite data and identify flood risk zones in the study area.
This document discusses prioritizing restoration efforts in the Great Lakes. It provides an overview of the threats facing the lakes, including nonpoint runoff, toxics, invasives, and more. It describes a project called GLEAM that maps and assesses the relative magnitude of multiple stressors across the lakes. GLEAM developed weightings of each stressor's impact based on expert input. It then derives a cumulative stress map by summing the individual stressor maps weighted by their impact. The document argues this approach can help identify priority areas for Great Lakes restoration and conservation.
This document discusses using hydrogeochemistry as a tool to manage the coastal Bou Areg aquifer in Morocco. The aquifer faces issues like overexploitation, water scarcity, and pollution from agriculture and development. The study aims to understand the aquifer's natural water quality, impacts on the adjacent lagoon, and identify pollution sources. Methods include geochemical analysis and isotopic dating. Results show high natural salinity from rock dissolution, and agricultural return flows are the main cause of additional salinization. Nitrate levels often exceed standards due to septic effluents and fertilizers. While saline intrusion is minor, polluted groundwater discharges affect the lagoon's quality. Improved monitoring
The UNESCO-IHP project demonstrated a methodology for mapping the vulnerability of coastal aquifers to both vertical pollution from the surface and horizontal saltwater intrusion. The project mapped the comprehensive vulnerability of the Ghar El Melh coastal aquifer in Tunisia in a single parameter. It considered the aquifer's intrinsic properties that provide defense against these threats, such as groundwater levels and the aquifer's specific energy to resist saltwater intrusion. The resulting comprehensive vulnerability map integrated these factors with human activities data to provide a planning tool for safeguarding groundwater resources. The demonstrated methodology can be applied to other Mediterranean coastal aquifers.
The Case of the Senegal River Basin (Niasse, Madiodio)Iwl Pcu
Focus of Presentation: <p> – Debates on efficient and sustainable water allocation & management in a transboundary river context<br> – Lessons from the Senegal River Basin experience on reconciling development and conservation imperatives
Municipal officials and landowners in the Wappinger Creek Watershed were surveyed about their support for various land use and water quality protection policies. Both groups showed strong support for regulatory tools like restricting development in floodplains as well as environmental planning tools like following sustainable development principles. Their levels of support differed somewhat for certain tools. Overall, both stakeholders agreed that protecting water resources provides benefits like maintaining natural beauty and healthy habitat. However, they had more neutral views about whether it requires tradeoffs with economic development. The survey results can help inform outreach and policy efforts to balance growth and watershed protection in the region.
The document discusses a case study of coastal communities in Bangladesh that are vulnerable to climate change impacts like sea level rise. It analyzes the vulnerability of settlements in Dhulasar Union to geological risks from storm surge inundation and rising sea levels. Various factors that contribute to community vulnerability are examined, including housing quality, access to shelters, roads, healthcare and schools. A spatial assessment is conducted using a grid analysis method to measure exposure risks and community resilience across different localities. The study finds the most vulnerable areas are Char Dhulasar and Char Gangamati due to high storm surge depths, dense populations and limited infrastructure.
Pinelands Regional Municipal Leaders Green Infrastructure WorkshopNew Jersey Future
This document summarizes a workshop on green infrastructure for municipal leaders in the Pinelands region. It discusses the impacts of increased stormwater runoff from development, including water quality issues and flooding. Regulations that address stormwater management for new development are outlined. The benefits of green infrastructure approaches are presented, including cost savings, aesthetics, and environmental protection. Challenges municipalities face with stormwater are discussed and funding opportunities for green infrastructure projects are mentioned.
IRJET- Flood Mitigation & Management for Godavari River at Nashik City by SWM...IRJET Journal
This document summarizes a study on flood mitigation and management for the Godavari River in Nashik City, India using SWMM5 and QGIS modeling tools. Urbanization has increased flooding in the city by converting pervious land to impervious surfaces, reducing infiltration and increasing surface runoff. The study aims to develop flood exposure maps, simulate long-term water runoff quantity and quality, identify sub-catchments and impervious/pervious areas. SWMM5 is used to model rain barrels, rain gardens, permeable pavements and infiltration trenches to mitigate flooding. QGIS identifies low-lying areas suitable for stormwater collection. Land use/cover is classified and slope is derived from digital elevation data to determine
The document discusses the SWIM Programme, which aims to promote sustainable water management policies and practices in the Mediterranean region given increasing water scarcity and climate change impacts. It describes the SWIM-Support Mechanism project, which provides support to partner countries through activities like capacity building, knowledge sharing, and five demonstration projects focused on issues like water governance, climate change adaptation, and water demand management. The demonstration projects are being implemented in countries around the Mediterranean to test innovative solutions for challenges like transboundary water management, agricultural resilience, and wastewater reuse.
This document discusses the political dimensions of river basin management. It argues that a conventional view treats river basin interventions as technical solutions involving infrastructure and institutions, but a political ecology approach sees them as redistributing costs, benefits, and risks unevenly across groups. Interventions are driven by the interconnected interests of politicians, agencies, companies and lenders seeking control and profits. This leads to river basins being overbuilt, creating water scarcity but justifying further interventions. The document concludes river basin issues cannot be depoliticized and treated merely as technical problems.
Adapting to a Changing Climate: A Local Restoration Case StudySam Rosen
This document summarizes a stream restoration project along Mulhockaway Creek in Union Township, NJ that was undertaken to address flooding and water quality issues exacerbated by climate change. The project involved installing meanders and structures to slow water flow, raising the stream bed to reconnect it to its floodplain, stabilizing banks with vegetation, and replacing an undersized culvert with an arch culvert to improve water passage. The $500,000 project helped protect water supplies and was funded partly by an EPA grant. Stream restoration projects can boost resiliency to floods and storms while reducing pollution and treatment costs.
Irrigation futures - Role of community participation and partnershipsChristina Parmionova
Role of community participation and partnerships: the Virginia pipeline scheme
This article was written by Ganesh Keremane and Jennifer McKay. It was published in the AWA Water Journal in November 2006.
www.awa.asn.au
Landowners and municipal officials in the Wappinger Creek Watershed were surveyed about their perceptions of water quality issues in the area. [1] Municipal officials generally perceived problems as more severe than landowners. [2] The top concerns for officials were sediment deposition, road salt runoff, and garbage in water bodies. [3] Landowners' top concerns were garbage in water bodies, septic tank seepage, and pesticides in water. Understanding these perceptions can help officials create effective policies and communication around water quality issues.
This document discusses disaster management and flood control. It begins with an introduction to disaster management, including definitions of disaster and disaster risk reduction. It then focuses on floods, describing the different types of floods, their causes, and impacts. The document outlines non-structural and structural approaches to flood control, providing examples of each. It concludes with safety tips for preparing for and responding to flooding emergencies.
CLIMATE change affects the components of water cycle such as evaporation, precipitation and evapotranspiration and thus results in large-scale alteration in water present in glaciers, rivers, lakes, oceans, etc. The effects of cli-mate change on subsurface water relates to the changes in its recharge and discharge rates plus changes in quantity and quality of water in aquifers. Climate change refers to the long-term changes in the components of climate such as temperature, precipitation, evapotranspiration, etc. The major cause of climate change is the rising level of greenhouse gases (GHGs) in the atmosphere such as CO2, CH4, N2O, water vapour, ozone and chlorofluorocarbon. These GHGs absorb 95% of the longwave back radiations emitted from the surface, thus making the Earth warmer. Except CO2, the effects of other GHGs are minor because of their low concentration and also because of low residence times (e.g. water vapour and methane). The rise in CO2 level causing global warming was first proposed by Svante Arrhenius, a Swedish scientist in 1896 and now it is a widely accepted fact that the concentration of CO2 is the primary regulator of temperature on the Earth and leads to global warming.
Impact of Climate Change on Groundwater ResourcesC. P. Kumar
This document summarizes the impact of climate change on groundwater resources. It discusses how climate change can affect factors like precipitation, temperature, and evapotranspiration, which then impact groundwater recharge and levels. Higher temperatures and variability in rainfall from climate change could mean more fluctuations in groundwater levels and potential saline intrusion in coastal aquifers. Quantifying the full impact on groundwater requires downscaling climate models and coupling them with hydrological models to estimate changes in groundwater recharge over time. Key concerns are potential decreases in groundwater supplies and quality issues, as groundwater serves as a major global source of potable water.
Presentation: Potential Impact of Climate Change on the EconomyBosco Hitimana
Climate change is expected to have significant negative economic impacts in Africa through effects on key sectors like agriculture, infrastructure, health and tourism. Agriculture will be affected by changes in rainfall patterns, rising temperatures, and more extreme weather events, leading to lower crop yields and food insecurity. Infrastructure like roads, ports and buildings will face greater damage from sea level rise, flooding and storms. Health risks will increase as vector-borne diseases spread to new areas. Tourism may decline due to habitat loss and changes in attractions. These impacts will be exacerbated by factors like poverty and population growth. The costs of climate change for Africa could exceed $40 million annually for Rwanda alone. Building resilience through adaptation measures in sectors like early warning systems,
This document summarizes Richard Tol's analysis of economic impacts from climate change. It discusses methods used to estimate impacts, key uncertainties, and estimates the social cost of carbon. While some studies find large impacts from climate change, Tol's analysis suggests the overall welfare impact is relatively small and the problem is relatively easy to solve with a modest carbon tax. However, climate policy has also been used to pursue other goals like creating bureaucracies or rewarding political interests.
This document summarizes a presentation given to the Delray Beach City Commission about creating a resilient community in response to sea level rise and storm surge. The presentation discusses defining resilience as the ability to bounce back and improve after stresses. It provides data on historic and projected sea level rise for the area. Potential impacts of sea level rise are outlined, including coastal flooding, erosion, saltwater intrusion, and effects on infrastructure and the economy. Partners for creating resilience are identified at the regional, state, and federal levels. The presentation recommends starting a conversation in the community about resilience and forming a coastal hazards adaptation committee to gather information and evaluate policies. It suggests using scenario planning and public engagement to develop a long-term adaptation plan.
The document discusses environmental issues that may arise from dams and diversion works, including direct impacts on habitat from infrastructure and reservoirs, indirect impacts from related development, and effects on flow patterns, sediment and nutrients, water quality, connectivity for species migration, and invasive species introduction. It provides guidance on assessing biodiversity impacts and protecting species, addressing passage for aquatic species, managing downstream flow regimes, and demonstrating need and strategic fit for hydropower projects. The document concludes that environmental concerns can be addressed through reasonable planning and management, and the best approach is early, integrated, multi-stakeholder planning at the river basin scale to balance economic, social and environmental values.
Flood alleviation options for the River Derwent are presented, including impacts and opportunities for each. Partnerships between local authorities, government agencies, and other groups could help implement solutions that have mutual objectives around flood management as well as other environmental gains. Funding availability may determine which scheme enhancements can proceed or what opportunities arise. Storage options, improved conveyance, and flood defenses are discussed at different locations in the catchment. Environmental assessments would be required for any implemented projects.
IRJET- Study of Floods Risks using Remote Sensing and Geographic Information ...IRJET Journal
This document discusses a study that used remote sensing and GIS to analyze flood risks in Omdurman, Sudan. It finds that rapid urbanization has increased flooding by covering the ground with impermeable surfaces, removing vegetation, and forcing many poor residents to live in flood-prone areas. The study analyzed land use changes over the past century in Khartoum State and how they have raised runoff and flooding in streams and the White Nile River. It concludes that areas where annual rainfall exceeds 415.5 mm are prone to floods that can destroy buildings. Remote sensing and GIS were used to process satellite data and identify flood risk zones in the study area.
This document discusses prioritizing restoration efforts in the Great Lakes. It provides an overview of the threats facing the lakes, including nonpoint runoff, toxics, invasives, and more. It describes a project called GLEAM that maps and assesses the relative magnitude of multiple stressors across the lakes. GLEAM developed weightings of each stressor's impact based on expert input. It then derives a cumulative stress map by summing the individual stressor maps weighted by their impact. The document argues this approach can help identify priority areas for Great Lakes restoration and conservation.
This document discusses using hydrogeochemistry as a tool to manage the coastal Bou Areg aquifer in Morocco. The aquifer faces issues like overexploitation, water scarcity, and pollution from agriculture and development. The study aims to understand the aquifer's natural water quality, impacts on the adjacent lagoon, and identify pollution sources. Methods include geochemical analysis and isotopic dating. Results show high natural salinity from rock dissolution, and agricultural return flows are the main cause of additional salinization. Nitrate levels often exceed standards due to septic effluents and fertilizers. While saline intrusion is minor, polluted groundwater discharges affect the lagoon's quality. Improved monitoring
The UNESCO-IHP project demonstrated a methodology for mapping the vulnerability of coastal aquifers to both vertical pollution from the surface and horizontal saltwater intrusion. The project mapped the comprehensive vulnerability of the Ghar El Melh coastal aquifer in Tunisia in a single parameter. It considered the aquifer's intrinsic properties that provide defense against these threats, such as groundwater levels and the aquifer's specific energy to resist saltwater intrusion. The resulting comprehensive vulnerability map integrated these factors with human activities data to provide a planning tool for safeguarding groundwater resources. The demonstrated methodology can be applied to other Mediterranean coastal aquifers.
The Case of the Senegal River Basin (Niasse, Madiodio)Iwl Pcu
Focus of Presentation: <p> – Debates on efficient and sustainable water allocation & management in a transboundary river context<br> – Lessons from the Senegal River Basin experience on reconciling development and conservation imperatives
Municipal officials and landowners in the Wappinger Creek Watershed were surveyed about their support for various land use and water quality protection policies. Both groups showed strong support for regulatory tools like restricting development in floodplains as well as environmental planning tools like following sustainable development principles. Their levels of support differed somewhat for certain tools. Overall, both stakeholders agreed that protecting water resources provides benefits like maintaining natural beauty and healthy habitat. However, they had more neutral views about whether it requires tradeoffs with economic development. The survey results can help inform outreach and policy efforts to balance growth and watershed protection in the region.
The document discusses a case study of coastal communities in Bangladesh that are vulnerable to climate change impacts like sea level rise. It analyzes the vulnerability of settlements in Dhulasar Union to geological risks from storm surge inundation and rising sea levels. Various factors that contribute to community vulnerability are examined, including housing quality, access to shelters, roads, healthcare and schools. A spatial assessment is conducted using a grid analysis method to measure exposure risks and community resilience across different localities. The study finds the most vulnerable areas are Char Dhulasar and Char Gangamati due to high storm surge depths, dense populations and limited infrastructure.
Pinelands Regional Municipal Leaders Green Infrastructure WorkshopNew Jersey Future
This document summarizes a workshop on green infrastructure for municipal leaders in the Pinelands region. It discusses the impacts of increased stormwater runoff from development, including water quality issues and flooding. Regulations that address stormwater management for new development are outlined. The benefits of green infrastructure approaches are presented, including cost savings, aesthetics, and environmental protection. Challenges municipalities face with stormwater are discussed and funding opportunities for green infrastructure projects are mentioned.
IRJET- Flood Mitigation & Management for Godavari River at Nashik City by SWM...IRJET Journal
This document summarizes a study on flood mitigation and management for the Godavari River in Nashik City, India using SWMM5 and QGIS modeling tools. Urbanization has increased flooding in the city by converting pervious land to impervious surfaces, reducing infiltration and increasing surface runoff. The study aims to develop flood exposure maps, simulate long-term water runoff quantity and quality, identify sub-catchments and impervious/pervious areas. SWMM5 is used to model rain barrels, rain gardens, permeable pavements and infiltration trenches to mitigate flooding. QGIS identifies low-lying areas suitable for stormwater collection. Land use/cover is classified and slope is derived from digital elevation data to determine
The document discusses the SWIM Programme, which aims to promote sustainable water management policies and practices in the Mediterranean region given increasing water scarcity and climate change impacts. It describes the SWIM-Support Mechanism project, which provides support to partner countries through activities like capacity building, knowledge sharing, and five demonstration projects focused on issues like water governance, climate change adaptation, and water demand management. The demonstration projects are being implemented in countries around the Mediterranean to test innovative solutions for challenges like transboundary water management, agricultural resilience, and wastewater reuse.
This document discusses the political dimensions of river basin management. It argues that a conventional view treats river basin interventions as technical solutions involving infrastructure and institutions, but a political ecology approach sees them as redistributing costs, benefits, and risks unevenly across groups. Interventions are driven by the interconnected interests of politicians, agencies, companies and lenders seeking control and profits. This leads to river basins being overbuilt, creating water scarcity but justifying further interventions. The document concludes river basin issues cannot be depoliticized and treated merely as technical problems.
Adapting to a Changing Climate: A Local Restoration Case StudySam Rosen
This document summarizes a stream restoration project along Mulhockaway Creek in Union Township, NJ that was undertaken to address flooding and water quality issues exacerbated by climate change. The project involved installing meanders and structures to slow water flow, raising the stream bed to reconnect it to its floodplain, stabilizing banks with vegetation, and replacing an undersized culvert with an arch culvert to improve water passage. The $500,000 project helped protect water supplies and was funded partly by an EPA grant. Stream restoration projects can boost resiliency to floods and storms while reducing pollution and treatment costs.
Irrigation futures - Role of community participation and partnershipsChristina Parmionova
Role of community participation and partnerships: the Virginia pipeline scheme
This article was written by Ganesh Keremane and Jennifer McKay. It was published in the AWA Water Journal in November 2006.
www.awa.asn.au
Landowners and municipal officials in the Wappinger Creek Watershed were surveyed about their perceptions of water quality issues in the area. [1] Municipal officials generally perceived problems as more severe than landowners. [2] The top concerns for officials were sediment deposition, road salt runoff, and garbage in water bodies. [3] Landowners' top concerns were garbage in water bodies, septic tank seepage, and pesticides in water. Understanding these perceptions can help officials create effective policies and communication around water quality issues.
This document discusses disaster management and flood control. It begins with an introduction to disaster management, including definitions of disaster and disaster risk reduction. It then focuses on floods, describing the different types of floods, their causes, and impacts. The document outlines non-structural and structural approaches to flood control, providing examples of each. It concludes with safety tips for preparing for and responding to flooding emergencies.
CLIMATE change affects the components of water cycle such as evaporation, precipitation and evapotranspiration and thus results in large-scale alteration in water present in glaciers, rivers, lakes, oceans, etc. The effects of cli-mate change on subsurface water relates to the changes in its recharge and discharge rates plus changes in quantity and quality of water in aquifers. Climate change refers to the long-term changes in the components of climate such as temperature, precipitation, evapotranspiration, etc. The major cause of climate change is the rising level of greenhouse gases (GHGs) in the atmosphere such as CO2, CH4, N2O, water vapour, ozone and chlorofluorocarbon. These GHGs absorb 95% of the longwave back radiations emitted from the surface, thus making the Earth warmer. Except CO2, the effects of other GHGs are minor because of their low concentration and also because of low residence times (e.g. water vapour and methane). The rise in CO2 level causing global warming was first proposed by Svante Arrhenius, a Swedish scientist in 1896 and now it is a widely accepted fact that the concentration of CO2 is the primary regulator of temperature on the Earth and leads to global warming.
Impact of Climate Change on Groundwater ResourcesC. P. Kumar
This document summarizes the impact of climate change on groundwater resources. It discusses how climate change can affect factors like precipitation, temperature, and evapotranspiration, which then impact groundwater recharge and levels. Higher temperatures and variability in rainfall from climate change could mean more fluctuations in groundwater levels and potential saline intrusion in coastal aquifers. Quantifying the full impact on groundwater requires downscaling climate models and coupling them with hydrological models to estimate changes in groundwater recharge over time. Key concerns are potential decreases in groundwater supplies and quality issues, as groundwater serves as a major global source of potable water.
Presentation: Potential Impact of Climate Change on the EconomyBosco Hitimana
Climate change is expected to have significant negative economic impacts in Africa through effects on key sectors like agriculture, infrastructure, health and tourism. Agriculture will be affected by changes in rainfall patterns, rising temperatures, and more extreme weather events, leading to lower crop yields and food insecurity. Infrastructure like roads, ports and buildings will face greater damage from sea level rise, flooding and storms. Health risks will increase as vector-borne diseases spread to new areas. Tourism may decline due to habitat loss and changes in attractions. These impacts will be exacerbated by factors like poverty and population growth. The costs of climate change for Africa could exceed $40 million annually for Rwanda alone. Building resilience through adaptation measures in sectors like early warning systems,
This document summarizes Richard Tol's analysis of economic impacts from climate change. It discusses methods used to estimate impacts, key uncertainties, and estimates the social cost of carbon. While some studies find large impacts from climate change, Tol's analysis suggests the overall welfare impact is relatively small and the problem is relatively easy to solve with a modest carbon tax. However, climate policy has also been used to pursue other goals like creating bureaucracies or rewarding political interests.
Secondary Three Geography - Impacts of climate changeCarol LMr
Climate change is causing sea levels to rise through melting glaciers and expansion of ocean water, threatening over 600 million people who live within 10 meters of sea level. Rising seas endanger coastal cities and islands. Extreme weather like heatwaves, floods and cyclones are also becoming more frequent and severe due to higher temperatures, causing economic losses and deaths. Climate change could spread infectious diseases to new areas by allowing insect populations like mosquitoes to thrive in warmer, wetter conditions, spreading malaria and dengue fever to places like Europe and North America. However, a lengthened growing season may allow some regions like the UK and Canada to cultivate new crops.
Global warming is not causing major economic impacts according to the document. [1] While greenhouse gas levels have risen substantially due to human activity over the last 200 years, global temperatures have only increased by half a degree Celsius. [2] Economic indicators like stock markets and GDP growth do not show clear relationships with changes in global average temperatures. [3] Many developed economies have transitioned to service-based economies, and global GDP has increased significantly even as average temperatures have risen very slowly over centuries.
This document discusses climate change across different timescales and possible causes. It notes that climate has varied over geological eras, with ice ages occurring in cycles of around 100,000 years. Historical records show temperature fluctuations, with a cold period from 1400-1850 AD and a warm period from 800-1400 AD. Recent climate data from 1850-2008 shows global temperatures increased by around 0.5°C since the late 1970s, corresponding to an era of global warming. The enhanced greenhouse effect, caused by gases released from burning fossil fuels, has likely contributed to increased warming by trapping more solar radiation. Transportation, industry, electricity, and heating account for over half of all greenhouse gas emissions, with carbon dioxide being the most
The document discusses the impact of climate change on water resources. It notes that climate change is decreasing water availability through factors like rising greenhouse gas emissions, melting glaciers, and changing rainfall patterns. This is affecting sectors like agriculture and increasing dependence on groundwater. The document reviews literature finding relationships between climate variables and water demand/supply. It also outlines frameworks for analyzing long term climate change impacts and presents results from a statistical model finding relationships between water resources, CO2 emissions, economic growth, and population growth in Pakistan from 1990 to 2010.
Climate change will have major impacts on water resources and society. While some impacts like heavier rainfall are more visible, changes like reductions in water supply and quality will also be significant. Vulnerability to climate change is determined by exposure to risks, sensitivity of systems, and adaptive capacity. India faces widespread poverty and many policy and community efforts are needed to build resilience, though many current responses only provide temporary relief. Adaptation is key to reducing the risks of climate change impacts on water and livelihoods.
This presentation talks about the impact on global water resources caused by climate change.
Presentation prepared with the help of Neha Rathi, a volunteer at India Water Portal.
Greenhouse gases like carbon dioxide trap heat in the atmosphere and are causing global temperatures to rise at the fastest rate in recorded history. The 10 hottest years on record have all occurred since 1990. If emissions are not curbed, average US temperatures could increase by 3 to 9 degrees by 2100. Observable changes include rising sea and air temperatures, melting ice and snow, and rising sea levels. Various ecosystems and species are already being negatively impacted by the climate changes. To mitigate these effects, emissions of greenhouse gases must be reduced and alternative energies developed.
Climate change poses serious threats to Indian agriculture that could undermine food security. Studies project cereal production may decrease 10-40% by 2100 due to increased temperatures, with wheat facing greater losses. Every 1°C rise in temperature could reduce wheat production by 4-5 million tons. Adaptation strategies like new crop varieties, water management, and insurance can help minimize impacts but require significant research and policy support. Immediate action is needed on low-cost adaptation options while determining costs and policies for long-term mitigation through practices like agroforestry and soil carbon sequestration. Failure to act risks substantial economic and social damages from climate impacts on India's agricultural sector and food system.
The document discusses carbon dioxide emissions by country and the results of carbon footprint tests taken by four students. It states the population and rate at which several countries including Argentina, Brazil, Chile, South Africa, and India produce 1000 tonnes of CO2. It then lists the individual carbon footprint results for students named Guido, Rosario, and Nicolás. In the conclusions, the students discuss ways to reduce their carbon footprints without losing quality of life but find new technologies are often unavailable or expensive and that their country is experiencing direct consequences of climate change like floods and changes in weather.
Global warming poses serious threats to human health and the environment. Individual actions like reducing energy usage and advocating for sustainable policies can help address the problem. Nurses are well-positioned to educate about impacts of climate change and encourage solutions through their work in communities, organizations, and with policymakers. Collective efforts are needed at all levels to mitigate global warming and its effects.
Global warming is caused by greenhouse gases like carbon dioxide and methane trapping heat in the atmosphere. This is warming the planet and causing sea levels to rise, harming plants and animals. One contributor is burning fossil fuels which release pollutants into the air. Cutting down forests also exacerbates the problem since trees absorb carbon dioxide. To address global warming, people are carpooling, conserving energy, and governments are implementing acts like the Clean Air Act to reduce industrial and vehicle emissions. Protecting the environment is important for health, safety, and longevity.
This document defines climate change as a change directly or indirectly caused by human activity that alters the composition of the atmosphere in addition to natural variability. It lists both natural causes like volcanic eruptions and human causes such as greenhouse gas emissions, deforestation, and burning fossil fuels as contributing to climate change. The effects of climate change discussed include rising sea levels from melting ice sheets, more extreme weather events like heavy rainfall and drought, declining crop productivity, changing ecosystems, rising temperatures, and ocean acidification.
This presentation curates resources, podcasts and screenshots focusing on our changing climate. What are your go-to resources? What inspires? Favorite buzzwords? We welcome your interaction -- comments, questions, suggestions, shares, clips, favorites, likes and hearts.
- Ron Mader (Las Vegas, 2016)
Some history: This presentation was first created in 2008 to review global initiatives in the realm of climate change. An early version debuted at the Environmental Tourism Forum in Monterrey, Mexico.
More info on the Planeta Wiki
http://planeta.wikispaces.com/climate
http://planeta.wikispaces.com/climatenotes
http://planeta.wikispaces.com/climatecop22
http://planeta.wikispaces.com/climatecop21
November 2015 video
https://www.youtube.com/watch?v=lEbgKy57xIU
This document discusses climate change and provides information about the difference between weather and climate. It explains that climate is affected by both abiotic and biotic factors. Greenhouse gases are essential to our climate by trapping heat in our atmosphere. However, human activity has increased greenhouse gas levels, resulting in global warming. Evidence of climate change comes from melting glaciers, tree rings, and changes in plant and animal ranges. The document suggests various ways individuals can reduce their carbon footprint through conserving energy use at home, in transportation, and reducing waste.
The document discusses how operating systems manage files and memory allocation. It explains that from the computer's perspective, there are no actual files, only blocks of allocated and unallocated memory. The file manager in the operating system creates the illusion of files and folders by tracking memory locations and implementing file allocation policies. Files can be stored contiguously, non-contiguously, or through indexed allocation with pointers. Access controls determine which users can access which files.
Similar to Climate Change Challenges in Transboundary River Water Resources Management presented by Dr .Mohamed AIT KADI ,GWP/Technical Committee Chair MRC at International Conference 2-3 April 2010, Hua Hin, Thailand
1) The document discusses the effect of climate change on water related disasters in Indonesia. It notes that climate change has led to increasing temperatures, more intense rainfall, rising sea levels and more extreme conditions like flooding and drought.
2) It outlines Indonesia's water resources law and the government's holistic approach to integrated water resources management that includes conservation, utilization and disaster control.
3) The document proposes strategies for mitigating and adapting to climate change impacts like improving water infrastructure, reforestation, and water management.
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This document discusses climate change impacts on water security in South Asia and ADB's efforts to support adaptation. It notes that South Asia is highly vulnerable to climate impacts on water and agriculture. ADB is working with countries through projects, policy dialogue, and knowledge sharing to help understand climate risks and develop adaptation strategies, with a focus on water resources management, food security, and climate-resilient development. Examples of ongoing projects aim to strengthen capacity and plan adaptation measures for water sectors in India, Sri Lanka, Bangladesh and other countries.
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UNICEF is observing impacts of climate change in East Asia and the Pacific region. Temperatures have risen 0.74°C in the past century and are projected to increase further. Evidence also shows rising sea levels, changes in sea ice and arctic temperatures. Countries like Mongolia, Indonesia, the Philippines and Pacific Islands are experiencing effects like declines in grasslands and forests, changes in rainfall patterns, rising sea levels and temperatures. If emissions continue, the region will likely see more frequent heavy rainfall, heat waves and sea level rise. This poses risks to natural resources, infrastructure and access to water and sanitation. UNICEF is working with countries to assess impacts, strengthen policies and build resilience in the water, san
This document discusses hydro-meteorology and its importance for sustainable development in the Caribbean region. It notes that the Caribbean faces significant climate-related risks that challenge sustainable development goals. Timely hydro-meteorological information is essential for livelihoods and reducing uncertainties around future weather and climate. Examples are provided of how hydro-meteorology supports water resources management and agriculture/food security. The severe 2009-2010 drought is discussed as an example of the impacts that lack of early warning and monitoring can have.
Media Workshop - Impacts and Future Risks: What are the effects of Climate Ch...ipcc-media
This document summarizes key findings from the IPCC report on climate change impacts, adaptation, and vulnerability in Asia. It finds that Asia faces several risks from climate change, including increased flooding, drought, food insecurity, water scarcity, and spread of diseases. Adaptation options discussed include integrated water management, disaster risk reduction, coastal protection, and diversifying livelihoods. The report concludes there is low confidence in precipitation projections for Asia and adaptation must be tailored to local needs given varying climate hazards and vulnerabilities across the region.
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This document discusses groundwater economics and management. It covers:
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This document discusses the need for adaptive and sustainable groundwater management. It begins by characterizing aquifer systems and risks. It then discusses challenges of managing groundwater in irrigated agricultural areas and the need for integrated, adaptive management policies. Case studies from Brazil, Argentina, Peru and other areas demonstrate issues like overpumping, pollution hazards and rising salinity. The document advocates for pragmatic planning frameworks, balancing community participation with administration. It stresses the importance of conjunctive use, numerical models, monitoring and financing management measures. Vertical integration and horizontal coordination are needed between different governing bodies. Urban groundwater also requires management to fill institutional voids and address impacts on infrastructure from an often overlooked resource.
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The document discusses how climate change is already impacting the Greater Mekong region through rising temperatures, increasing rainfall, and sea level rise. Key points:
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Similar to Climate Change Challenges in Transboundary River Water Resources Management presented by Dr .Mohamed AIT KADI ,GWP/Technical Committee Chair MRC at International Conference 2-3 April 2010, Hua Hin, Thailand (20)
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Climate Change Challenges in Transboundary River Water Resources Management presented by Dr .Mohamed AIT KADI ,GWP/Technical Committee Chair MRC at International Conference 2-3 April 2010, Hua Hin, Thailand
1. CLIMATE CHANGE CHALLENGES
IN TRANSBOUNDARY RIVER WATER
RESOURCES MANAGEMENT
Dr Mohamed AIT KADI
GWP/Technical Committee Chair
MRC International Conference
2-3 April 2010, Hua Hin, Thailand
2. Outline
1. Water Security = A Global Concern
2. The Global Climate Challenge = A Global Water
Challenge
3. Water Security = A Framework for Adaptation
4. A Better Future = Collaborative Adaptation
4. ICPDR
ICWC
NIB MRC
Volta basin
CICOS
Zambezi basin
GWP’s support to transboundary
water initiatives
5. 1. Water Security = A Global Concern
The challenge of securing safe and plentiful
water for all of us is one of the most daunting
challenges faced by the world today… Our
experiences tell us that environmental stress
due to lack of water may lead to conflict and
would be greater in poor countries
UN secretary-General Ban Ki-moon
WEF, 24 Jannuary 2008
Humanity is facing « water bankrupcy » as a
result of a crisis even greater than the financial
meldown now destabilizing the global economy
… it is already beginning to take effect, and
there will be no way of bailing the earth out of
water scarcity …
G. Lean, The Independent, 15 March 2009
6. 2. The Global Climate Challenge = A Global Water Challenge
Warming and Water Availability
•Higher temperature → less ice
- Snow-pack loss → changed runoff timing
-Reduced permafrost, seasonally frozen soil →
activation of subsurface storage
•Higher temperature → more water in atmosphere
(7% per degree C) →
global redistribution of precipitation and runoff
11. Cascading effects on the Economy , Society & Ecosystems
•SEA LEVEL RISE
•COASTAL FLOODS
•POOR WATER QUALITY
•MORE SEDIMENTS •SALT INTRUSION
•URBAN FLOODS
•INCREASED FLOODS
•REDUCED LOW FLOWS •SHORT GROWING SEASON
•LONGER DROUGHTS
•SNOWMELT CHANGE
•INCREASED EROSION
•LAND SLIDES
12. Need to Understand the Complex
Relations Between Climate, Land/Water
Use, Surface/Subsurface Flows + Feed Complex Climate
back SUPPLY & DEMAND Relations
Multiple-Aquifer
Stresses
GW/SW
Relations
Multiple-Aquifer
Flow Systems &
Flow Directions
Regional Flow Systems
Modified from Puri & Arnold, 2002
13. Climate Change: A Game Changer
Increased Complexity of Transboundary water management
Availability
Access
Conflict
14. 3. Water Security = A Framework for Adaptation
Water Security = { Reliable Availability + Acceptable level of Risks}
A focus on water security provides a framework for
developing appropriate response strategies
Much of the challenge focuses on managing
hydrological variability -- economic impacts of variability
today are far-reaching, and climate change will
increase such variability
The scale of the water security challenge depends on a
basin’s natural hydrology, and countries’ mix of
institutions and infrastructure for water management
15. 3. Water Security = A Framework for Adaptation
Implementing IWRM supports Adaptation
Planning at the river basin level
Strong intersectoral cooperation
Managing trade-offs
Good governance
16. 4. A Better Future = Collaborative Adaptation
Type of Cooperation The Challenge The Opportunities
Increasing the benefits to Degraded water quality, Improved water quality, river
the river watersheds, wetlands, and flow characteristics, soil
biodiversity conservation, biodiversity
and overall sustainability
Increasing benefits from Increasing demands for Improved WRM (Agri
the river water, sub-optimal WRM-D +hydrop) flood-drought
management,
navigation,environmental
conservation, water quality
and recreation
Reduced costs because Tense regional relations and Coop&Dev <
of the river political economy impacts Dispute/conflict, food/ energy
selfsufficiency > security, ..
Increasing benefits Regional fragmentation Integration of regional
beyond the river infrastructure, markets and
trade
C.W. Sadoff, D. Grey / Water Policy (2002)
17. 4. A Better Future = Collaborative Adaptation
Transboundary cooperation is both necessary and
beneficial in adapting to climate change
Barriers to collaborative adaptation in the legal,
institutional and policy spheres should be removed
When planning for adaptation across boundaries, riparian
countries should focus on transboundary impacts, sharing
benefits and risks in an equitable and reasonable manner
Sharing information, including that from early warning
systems, between riparian countries is essential for
effective and efficient climate change adaptation
18. Conclusions
The international rivers of the world are coming under growing
pressure from climate change
Water security as a framework of adaptation can be achieved on the
basis of « hydrosolidarity » which embraces collective action,
interdependence, and shared responsibility
The approach to collaborative adaptation is IWRM supported by
strong management institutions, a high level of cooperation among
all interests and continuous adaptation to new conditions
If the focus from competing national interests can be shifted to
attaining common benefits, genuine transboundary water
security can be achieved and sustained