This document discusses increasing agricultural water productivity. It notes that with population growth and increasing water demand, more food must be produced using less water. Improving water productivity through strategies like water savings and more efficient uses can help meet this challenge. The document then outlines various ways to increase water productivity, such as for crops, livestock, fisheries, and integrated systems. It also discusses how increased water productivity can help reduce poverty through improved food security, employment, and income opportunities.
This document summarizes a study that evaluates the performance of the urban water sector in Surat City, India using a sustainability index approach. A sustainability index was calculated based on social, economic, environmental, and engineering criteria. Data was collected from the Surat Municipal Corporation and experts were interviewed. The results showed that Surat City has a moderate sustainability index of 0.396. The engineering criteria scored lowest at 0.031, indicating room for improvement in that area. The study provides information on weaknesses in the system and approaches to enhance sustainability of urban water management in Surat City.
Feasibility of rainwater harvesting in solving water crisis dhaka cityeSAT Journals
Abstract This paper assesses the feasibility of rainwater harvesting as a solution to the existing water crisis in Dhaka City – a mega city with a population of 15 million. Groundwater is the main source of Dhaka’s water supply. To meet the increasing demand, the groundwater table is decreasing at an alarming rate. Dhaka needs to find out otherpotential sources of water. Rivers surrounded by the city would be a solution but due to high pollution, most of those rivers are now out of consideration. In this context, rainwater harvesting could be a potential source of water that will be able to meet a significant part of water demand of the Dhaka city residents. Also a high rainfall rate during the monsoon period is an important factor in this regard. In this study, a six storied high rise building with 80+ residents was investigated. Rainwater harvesting is considered only for the purpose of toilet flushing, washing cloths and house cleaning. In order to understand the social impat of rainwater harvesting, a resident survey was conducted. 88% of the residents agreed that rainwater harvesting wouldbe an acceptable solution of the present water crisis. Key words: Rainwater Harvesting, High Rise, Groundwater Table, Efficiency Factor.
Innovative financial mechanisms and water related collective action for wate...GWP Centroamérica
This document discusses Coca-Cola's global water stewardship strategic framework. It notes that water is the biggest part of Coca-Cola's supply chain and is under growing stress. The framework focuses on reducing water use through efficiency and reuse, recycling wastewater, and replenishing water to communities and nature. Coca-Cola has invested over $1 billion in wastewater treatment and replenishes 68% of its production volume. The company aims to balance its consumptive water use and replenish 100% of production volume by 2020 through watershed protection projects. It also outlines potential replenishment activities and their impacts on water quantity and quality.
CSUF Sustainability Symposium_April 2014_Miriam Morua and Emily WieberEmily Wieber
This document discusses several strategies for promoting water efficiency in agriculture during drought conditions in California. It summarizes various studies that have shown regulated deficit irrigation (RDI) and drip irrigation can reduce water usage in avocado and citrus orchards without compromising yields. One study found navel orange trees irrigated 25% less during fall had the same fruit yield and quality as fully irrigated trees. Another study found peppers irrigated with subsurface drip irrigation had higher productivity and water retention compared to surface irrigation. The goal is to raise awareness of these water-saving strategies and encourage their adoption.
resilience of smallholder farmers to climate variability and Extreme events ...Janathakshan Gte Ltd
Presentation by Dr. Buddika Hapuarachchi, Technical Advisor, Disaster Risk Reduction, UNDP
Technical Session 02: Climate Change Adaptation
Experience Sharing Forum on Climate Smart Initiatives of Sri Lanka
Sri Lanka Next – A blue Green Era – Conference and Exhibition 2017
16 – 17 October 2017, BMICH, Colombo, Sri Lanka
This document discusses increasing agricultural water productivity. It notes that with population growth and increasing water demand, more food must be produced using less water. Improving water productivity through strategies like water savings and more efficient uses can help meet this challenge. The document then outlines various ways to increase water productivity, such as for crops, livestock, fisheries, and integrated systems. It also discusses how increased water productivity can help reduce poverty through improved food security, employment, and income opportunities.
This document summarizes a study that evaluates the performance of the urban water sector in Surat City, India using a sustainability index approach. A sustainability index was calculated based on social, economic, environmental, and engineering criteria. Data was collected from the Surat Municipal Corporation and experts were interviewed. The results showed that Surat City has a moderate sustainability index of 0.396. The engineering criteria scored lowest at 0.031, indicating room for improvement in that area. The study provides information on weaknesses in the system and approaches to enhance sustainability of urban water management in Surat City.
Feasibility of rainwater harvesting in solving water crisis dhaka cityeSAT Journals
Abstract This paper assesses the feasibility of rainwater harvesting as a solution to the existing water crisis in Dhaka City – a mega city with a population of 15 million. Groundwater is the main source of Dhaka’s water supply. To meet the increasing demand, the groundwater table is decreasing at an alarming rate. Dhaka needs to find out otherpotential sources of water. Rivers surrounded by the city would be a solution but due to high pollution, most of those rivers are now out of consideration. In this context, rainwater harvesting could be a potential source of water that will be able to meet a significant part of water demand of the Dhaka city residents. Also a high rainfall rate during the monsoon period is an important factor in this regard. In this study, a six storied high rise building with 80+ residents was investigated. Rainwater harvesting is considered only for the purpose of toilet flushing, washing cloths and house cleaning. In order to understand the social impat of rainwater harvesting, a resident survey was conducted. 88% of the residents agreed that rainwater harvesting wouldbe an acceptable solution of the present water crisis. Key words: Rainwater Harvesting, High Rise, Groundwater Table, Efficiency Factor.
Innovative financial mechanisms and water related collective action for wate...GWP Centroamérica
This document discusses Coca-Cola's global water stewardship strategic framework. It notes that water is the biggest part of Coca-Cola's supply chain and is under growing stress. The framework focuses on reducing water use through efficiency and reuse, recycling wastewater, and replenishing water to communities and nature. Coca-Cola has invested over $1 billion in wastewater treatment and replenishes 68% of its production volume. The company aims to balance its consumptive water use and replenish 100% of production volume by 2020 through watershed protection projects. It also outlines potential replenishment activities and their impacts on water quantity and quality.
CSUF Sustainability Symposium_April 2014_Miriam Morua and Emily WieberEmily Wieber
This document discusses several strategies for promoting water efficiency in agriculture during drought conditions in California. It summarizes various studies that have shown regulated deficit irrigation (RDI) and drip irrigation can reduce water usage in avocado and citrus orchards without compromising yields. One study found navel orange trees irrigated 25% less during fall had the same fruit yield and quality as fully irrigated trees. Another study found peppers irrigated with subsurface drip irrigation had higher productivity and water retention compared to surface irrigation. The goal is to raise awareness of these water-saving strategies and encourage their adoption.
resilience of smallholder farmers to climate variability and Extreme events ...Janathakshan Gte Ltd
Presentation by Dr. Buddika Hapuarachchi, Technical Advisor, Disaster Risk Reduction, UNDP
Technical Session 02: Climate Change Adaptation
Experience Sharing Forum on Climate Smart Initiatives of Sri Lanka
Sri Lanka Next – A blue Green Era – Conference and Exhibition 2017
16 – 17 October 2017, BMICH, Colombo, Sri Lanka
Agriculture Water Productivity "A Tool for Modernizing Irrigation and Water Management", World Bank, Land and Water Days in Near East & North Africa, 15-18 December 2013, Amman, Jordan
Blue, green, and gray water categorize sources of water used in hog production. Blue water comes from surface and groundwater sources, green water is rainwater used by crops, and gray water is the water required to dilute polluted water. A water footprint measures the total water used and impacted in producing goods and services, including direct water used by hogs in a barn and indirect water used on farm operations. The Pig Production Environmental Calculator provides hog farmers data on their water footprint in gallons for total use, per pig per year, and per pound of pork, categorized by sources like feed, management, and facilities. This allows farmers to identify areas to reduce their water usage and environmental impact.
Use of Storage Water in a Hydroelectric SystemIOSR Journals
This document discusses the use of storage water in hydroelectric systems. It begins by discussing how hydroelectric systems work and the importance of water storage. It then reviews several past studies that have analyzed optimal water storage and use in hydroelectric systems. These studies used different assumptions and approaches, such as using decision support systems and dynamic programming. The document proposes using an existing decision support system to optimize water use during low flow periods. It describes the components and benefits of comprehensive decision support systems for hydroelectric operations and planning. Finally, it concludes that decision support systems can optimize water storage and use in hydroelectric systems based on updated forecasts and probabilistic modeling.
This document summarizes a master's thesis on assessing the environmental impacts of potable and nonpotable water reuse in California using life cycle assessment. It defines key terms, describes California's water usage and drought, and outlines the benefits of reclaimed water. The study compares the resources and impacts of nonpotable reuse, indirect potable reuse, and direct potable reuse. It recommends different reuse options based on location and costs, and concludes that potable reuse investment is needed as water scarcity increases.
This a presentatiopn to assist LEED Green Associate candidates prepare for the Water Management section of the LEED Green Associate Accredidation Exam.
This document outlines a framework to institutionalize responsibility for water usage. It proposes using a vulnerability index and metrics to assess water usage, sustainability, and risks. The framework is intended to help campuses prioritize actions, self-assess water usage, and guide internal policies. Key elements include metrics to measure water demand, responsible siting based on rainfall, water sustainability by reducing external water usage, and embodied energy of water sources. Targets would be set for each metric and knowledge sharing, inclusiveness, and transparency are emphasized.
Presentation by Alan Nicol from IWMI at the Land and Water Advantage event on the sidelines of COP23.
More information about the event series: https://bit.ly/AgAdvantage
River rejuvenation projects aim to restore natural water recharging processes disrupted by human activity through desiltation, groundwater structures, afforestation, and encouraging sustainable cropping patterns. Such projects in Maharashtra, Karnataka, and Tamil Nadu have helped address water stress issues faced by 54% of India's population. Combining river rejuvenation with natural farming practices can further help balance demand and supply by optimizing crop selection, irrigation methods, and on-farm water usage.
Up scaling of water productivity in agriculture using water saving techniques Deepak Gaikwad
This document summarizes research on improving water productivity in agriculture through water saving techniques. It discusses declining global freshwater resources and increasing water scarcity. It then covers the concept of water productivity, defined as the return per unit of water used. Key principles for improving water productivity include enhancing crop yields for each unit of water used, reducing non-beneficial water losses, and making effective use of rainfall and marginal water sources. Tables from studies show the effects of irrigation techniques, mulching, and deficit irrigation on crop yields and water use efficiency in crops like groundnut and maize.
This document discusses resource efficiency and sustainable water management. It focuses on ways to improve water use efficiency in agriculture. Some key points discussed include:
1) Improving irrigation efficiency through converting open channels to pressurized pipes can save significant amounts of water. More efficient irrigation systems like drip irrigation are being adopted across Europe.
2) Modifying agricultural practices such as choosing drought-resistant crops, adjusting cropping calendars, and deficit irrigation can reduce water requirements for irrigation.
3) Improving the timing of irrigation to closely match crop water demand enables farmers to apply water more efficiently. Advisory services help inform farmers about irrigation needs.
Water productivity is defined as crop yield per cubic meter of water consumed and includes effective rainfall for rain-fed areas and both rainfall and diverted irrigation water for irrigated areas. Approaches for improving water productivity include replacing high water crops with lower water crops, adopting management improvements to increase productivity per unit of water, and reallocating water from low to high value crops. Water use efficiency refers to the ratio of water used by plants to water lost through transpiration, while water use efficiency of productivity is the ratio of biomass produced to transpiration rate.
This document discusses a project to determine the healthiness of the Polgolla watershed in Sri Lanka using the Analytic Hierarchical Process (AHP). The watershed covers 738 square km and contains six sub-watersheds that are assessed. The project aims to identify qualitative factors influencing watershed health, determine their relative importance using AHP, and create a report with findings and recommendations. Data on factors like natural resilience features, infrastructure, and land/water impacts are collected for each sub-watershed and analyzed using AHP's pairwise comparisons to rank factors and assess the overall healthiness of the Polgolla watershed.
Regenerative Landscape Green Schools Summit PresentationMIG
The document discusses the benefits of regenerative landscapes over conventional landscape management. Regenerative landscapes reduce costs through lower water, fertilizer and pesticide use, while providing environmental benefits like improved water quality, flood control and carbon sequestration. They also offer educational opportunities in areas like ecology, soil science and habitat restoration. Implementing regenerative landscapes can help meet state mandates on sustainability, water efficiency and climate action plans.
This project aims to transfer best practices in asset management and modular wastewater treatment solutions between Central European countries. It focuses on integrated water supply and wastewater services tailored to local resources and stakeholder expectations. The project provides knowledge on optimizing costs, risks, and performance through standards implementation. It also promotes wastewater as a source of energy, nutrients, and water reuse. The project uses workshops, conferences, webinars and support sessions to share knowledge on topics like modular design and asset management.
Abengoa-FB Side Event – Collado, Abengoa, 14th January, 2015 UN Water Confere...water-decade
This document discusses water sustainability challenges including increasing water demand driven by population growth, uneven distribution, climate change, and rapidly growing cities. This is exacerbating water scarcity issues. Climate change is negatively impacting freshwater resources through changes in precipitation patterns, snow/ice melting, and soil moisture. Many water withdrawals are unsustainable, exceeding replenishment rates. Water quality is threatened by pesticides/fertilizers, emerging contaminants, and industrial/agricultural effluents. The water-energy nexus also poses challenges since many industries require large amounts of water which is difficult to treat. Solutions proposed include improving efficiency, integrated energy-water planning, reducing dependency, and Abengoa's technologies around desal
This document discusses the food-water-energy nexus and climate change adaptation. It provides the following key points:
1) Food production relies on large quantities of water, while energy is needed to move and treat water. Some food is also used to produce fuel.
2) The systems of food, water and energy are interconnected - changes in one area can impact the others. For example, increased ethanol production in the U.S. impacts both food and water.
3) Climate change poses challenges for agriculture due to increased water demand, drought, and effects on water supply. Adaptation strategies that improve water and energy efficiency and utilize smart technologies are needed.
The document discusses the use of rainwater tanks to supplement water supplies in Malaysia. It notes that Malaysia receives high amounts of rainfall annually but faces challenges in water supply. Rainwater tanks collect rainwater runoff from rooftops to store for later use and supplement conventional water sources. The document outlines benefits like reducing water bills and demand on supplies. It also discusses advantages such as low maintenance and costs. However, high initial investment costs, need for regular maintenance, and uncertain water quality are disadvantages to consider.
1) The document discusses the concepts of irrigation efficiency and water productivity, noting important distinctions in their definitions, scales of analysis, and limitations.
2) It provides an example from Zhanghe Irrigation District in China where improvements to both on-farm water management and water allocation policies led to increased water productivity while maintaining agricultural output.
3) Key lessons are that strategies to improve water management need to consider perspectives of different water user groups and potential impacts at broader basin scales, and that multiple indicators of water productivity are needed to fully understand complex agricultural systems and trade-offs.
Improving Water Productivity: options at farm level.ICARDA
Presentation by Mr. Atef Swelam (ICARDA),
Technical Session 8: “Water productivity as the cornerstone of water-limited food production.”
Monday 21/10/2019
Cairo, Egypt, October 20-24, 2019. The 2nd Cairo Water Week (CWW)
Overview of IWMI's research in Central Asia and future prospects for collabor...ExternalEvents
IWMI's current research includes two projects related to sustainable water resources management in agricultural areas in Central Asia. It includes, among others, the mapping of existing water related projects to identify research gaps, introducing innovative technologies in agriculture for sustainable management of water resources in agriculture, develop policy recommendations with the aim to establish national plans.
This document provides an outline for a course on water resources systems planning and management. It introduces key concepts related to systems, including definitions of systems, inputs and outputs, and system analysis. It also covers approaches to water resources planning, including scope, objectives and integrated water resources management. Optimization and simulation are presented as important system techniques for water resources planning and management.
This document discusses nutrient management and water quality trading from the perspective of non-point sources such as agriculture. It notes the challenges in reducing nutrient runoff from croplands given landscape variability and changing practices over time. The document advocates for a watershed-scale approach to target practices where reductions can be achieved and validated. It also suggests developing watershed infrastructure and financing mechanisms similar to other infrastructure to support achieving downstream water quality goals.
Agriculture Water Productivity "A Tool for Modernizing Irrigation and Water Management", World Bank, Land and Water Days in Near East & North Africa, 15-18 December 2013, Amman, Jordan
Blue, green, and gray water categorize sources of water used in hog production. Blue water comes from surface and groundwater sources, green water is rainwater used by crops, and gray water is the water required to dilute polluted water. A water footprint measures the total water used and impacted in producing goods and services, including direct water used by hogs in a barn and indirect water used on farm operations. The Pig Production Environmental Calculator provides hog farmers data on their water footprint in gallons for total use, per pig per year, and per pound of pork, categorized by sources like feed, management, and facilities. This allows farmers to identify areas to reduce their water usage and environmental impact.
Use of Storage Water in a Hydroelectric SystemIOSR Journals
This document discusses the use of storage water in hydroelectric systems. It begins by discussing how hydroelectric systems work and the importance of water storage. It then reviews several past studies that have analyzed optimal water storage and use in hydroelectric systems. These studies used different assumptions and approaches, such as using decision support systems and dynamic programming. The document proposes using an existing decision support system to optimize water use during low flow periods. It describes the components and benefits of comprehensive decision support systems for hydroelectric operations and planning. Finally, it concludes that decision support systems can optimize water storage and use in hydroelectric systems based on updated forecasts and probabilistic modeling.
This document summarizes a master's thesis on assessing the environmental impacts of potable and nonpotable water reuse in California using life cycle assessment. It defines key terms, describes California's water usage and drought, and outlines the benefits of reclaimed water. The study compares the resources and impacts of nonpotable reuse, indirect potable reuse, and direct potable reuse. It recommends different reuse options based on location and costs, and concludes that potable reuse investment is needed as water scarcity increases.
This a presentatiopn to assist LEED Green Associate candidates prepare for the Water Management section of the LEED Green Associate Accredidation Exam.
This document outlines a framework to institutionalize responsibility for water usage. It proposes using a vulnerability index and metrics to assess water usage, sustainability, and risks. The framework is intended to help campuses prioritize actions, self-assess water usage, and guide internal policies. Key elements include metrics to measure water demand, responsible siting based on rainfall, water sustainability by reducing external water usage, and embodied energy of water sources. Targets would be set for each metric and knowledge sharing, inclusiveness, and transparency are emphasized.
Presentation by Alan Nicol from IWMI at the Land and Water Advantage event on the sidelines of COP23.
More information about the event series: https://bit.ly/AgAdvantage
River rejuvenation projects aim to restore natural water recharging processes disrupted by human activity through desiltation, groundwater structures, afforestation, and encouraging sustainable cropping patterns. Such projects in Maharashtra, Karnataka, and Tamil Nadu have helped address water stress issues faced by 54% of India's population. Combining river rejuvenation with natural farming practices can further help balance demand and supply by optimizing crop selection, irrigation methods, and on-farm water usage.
Up scaling of water productivity in agriculture using water saving techniques Deepak Gaikwad
This document summarizes research on improving water productivity in agriculture through water saving techniques. It discusses declining global freshwater resources and increasing water scarcity. It then covers the concept of water productivity, defined as the return per unit of water used. Key principles for improving water productivity include enhancing crop yields for each unit of water used, reducing non-beneficial water losses, and making effective use of rainfall and marginal water sources. Tables from studies show the effects of irrigation techniques, mulching, and deficit irrigation on crop yields and water use efficiency in crops like groundnut and maize.
This document discusses resource efficiency and sustainable water management. It focuses on ways to improve water use efficiency in agriculture. Some key points discussed include:
1) Improving irrigation efficiency through converting open channels to pressurized pipes can save significant amounts of water. More efficient irrigation systems like drip irrigation are being adopted across Europe.
2) Modifying agricultural practices such as choosing drought-resistant crops, adjusting cropping calendars, and deficit irrigation can reduce water requirements for irrigation.
3) Improving the timing of irrigation to closely match crop water demand enables farmers to apply water more efficiently. Advisory services help inform farmers about irrigation needs.
Water productivity is defined as crop yield per cubic meter of water consumed and includes effective rainfall for rain-fed areas and both rainfall and diverted irrigation water for irrigated areas. Approaches for improving water productivity include replacing high water crops with lower water crops, adopting management improvements to increase productivity per unit of water, and reallocating water from low to high value crops. Water use efficiency refers to the ratio of water used by plants to water lost through transpiration, while water use efficiency of productivity is the ratio of biomass produced to transpiration rate.
This document discusses a project to determine the healthiness of the Polgolla watershed in Sri Lanka using the Analytic Hierarchical Process (AHP). The watershed covers 738 square km and contains six sub-watersheds that are assessed. The project aims to identify qualitative factors influencing watershed health, determine their relative importance using AHP, and create a report with findings and recommendations. Data on factors like natural resilience features, infrastructure, and land/water impacts are collected for each sub-watershed and analyzed using AHP's pairwise comparisons to rank factors and assess the overall healthiness of the Polgolla watershed.
Regenerative Landscape Green Schools Summit PresentationMIG
The document discusses the benefits of regenerative landscapes over conventional landscape management. Regenerative landscapes reduce costs through lower water, fertilizer and pesticide use, while providing environmental benefits like improved water quality, flood control and carbon sequestration. They also offer educational opportunities in areas like ecology, soil science and habitat restoration. Implementing regenerative landscapes can help meet state mandates on sustainability, water efficiency and climate action plans.
This project aims to transfer best practices in asset management and modular wastewater treatment solutions between Central European countries. It focuses on integrated water supply and wastewater services tailored to local resources and stakeholder expectations. The project provides knowledge on optimizing costs, risks, and performance through standards implementation. It also promotes wastewater as a source of energy, nutrients, and water reuse. The project uses workshops, conferences, webinars and support sessions to share knowledge on topics like modular design and asset management.
Abengoa-FB Side Event – Collado, Abengoa, 14th January, 2015 UN Water Confere...water-decade
This document discusses water sustainability challenges including increasing water demand driven by population growth, uneven distribution, climate change, and rapidly growing cities. This is exacerbating water scarcity issues. Climate change is negatively impacting freshwater resources through changes in precipitation patterns, snow/ice melting, and soil moisture. Many water withdrawals are unsustainable, exceeding replenishment rates. Water quality is threatened by pesticides/fertilizers, emerging contaminants, and industrial/agricultural effluents. The water-energy nexus also poses challenges since many industries require large amounts of water which is difficult to treat. Solutions proposed include improving efficiency, integrated energy-water planning, reducing dependency, and Abengoa's technologies around desal
This document discusses the food-water-energy nexus and climate change adaptation. It provides the following key points:
1) Food production relies on large quantities of water, while energy is needed to move and treat water. Some food is also used to produce fuel.
2) The systems of food, water and energy are interconnected - changes in one area can impact the others. For example, increased ethanol production in the U.S. impacts both food and water.
3) Climate change poses challenges for agriculture due to increased water demand, drought, and effects on water supply. Adaptation strategies that improve water and energy efficiency and utilize smart technologies are needed.
The document discusses the use of rainwater tanks to supplement water supplies in Malaysia. It notes that Malaysia receives high amounts of rainfall annually but faces challenges in water supply. Rainwater tanks collect rainwater runoff from rooftops to store for later use and supplement conventional water sources. The document outlines benefits like reducing water bills and demand on supplies. It also discusses advantages such as low maintenance and costs. However, high initial investment costs, need for regular maintenance, and uncertain water quality are disadvantages to consider.
1) The document discusses the concepts of irrigation efficiency and water productivity, noting important distinctions in their definitions, scales of analysis, and limitations.
2) It provides an example from Zhanghe Irrigation District in China where improvements to both on-farm water management and water allocation policies led to increased water productivity while maintaining agricultural output.
3) Key lessons are that strategies to improve water management need to consider perspectives of different water user groups and potential impacts at broader basin scales, and that multiple indicators of water productivity are needed to fully understand complex agricultural systems and trade-offs.
Improving Water Productivity: options at farm level.ICARDA
Presentation by Mr. Atef Swelam (ICARDA),
Technical Session 8: “Water productivity as the cornerstone of water-limited food production.”
Monday 21/10/2019
Cairo, Egypt, October 20-24, 2019. The 2nd Cairo Water Week (CWW)
Overview of IWMI's research in Central Asia and future prospects for collabor...ExternalEvents
IWMI's current research includes two projects related to sustainable water resources management in agricultural areas in Central Asia. It includes, among others, the mapping of existing water related projects to identify research gaps, introducing innovative technologies in agriculture for sustainable management of water resources in agriculture, develop policy recommendations with the aim to establish national plans.
This document provides an outline for a course on water resources systems planning and management. It introduces key concepts related to systems, including definitions of systems, inputs and outputs, and system analysis. It also covers approaches to water resources planning, including scope, objectives and integrated water resources management. Optimization and simulation are presented as important system techniques for water resources planning and management.
This document discusses nutrient management and water quality trading from the perspective of non-point sources such as agriculture. It notes the challenges in reducing nutrient runoff from croplands given landscape variability and changing practices over time. The document advocates for a watershed-scale approach to target practices where reductions can be achieved and validated. It also suggests developing watershed infrastructure and financing mechanisms similar to other infrastructure to support achieving downstream water quality goals.
1. There is a need for a sustainable water infrastructure planning tool called SWIPES to help evaluate options like decentralized systems, water reuse, and desalination.
2. Improving current infrastructure involves considering more decentralized systems, increased water reuse as the norm rather than exception, and using desalination only during droughts.
3. SWIPES would be a decision support system to help assess the economics and sustainability of water infrastructure options by evaluating available water sources and capacities, current and potential infrastructure, and costs.
The document discusses green-blue infrastructure initiatives in Los Angeles to manage stormwater runoff. It outlines watershed planning efforts and the use of green infrastructure like rainwater harvesting, green streets, and low impact development to improve water quality, increase supply, and provide other benefits. Examples of existing and planned projects are provided, like the South LA Wetlands Park and various stormwater capture facilities, demonstrating how stormwater can be utilized as a resource.
The panel discussion at the One Water Leadership Summit focused on green infrastructure initiatives in Atlanta. Jo Ann Macrina and Margaret Tanner from Atlanta's Department of Watershed Management discussed the city's use of green infrastructure to help resolve consent decrees related to sewer overflows and comply with federal regulations. Other panelists described projects using green roofs, permeable pavement, rain gardens, and more to manage stormwater, beautify communities, and provide other benefits. The panel highlighted Atlanta's commitment to sustainability and partnerships to expand its green infrastructure.
Dr. Greg Thoma - An Overview of Aquaculture through the lens of Environmental...John Blue
An Overview of Aquaculture through the lens of Environmental Sustainability - Dr. Greg Thoma, University of Arkansas, College of Engineering, from the 2018 NIAA Annual Conference, Livestock Traceability: Opportunities for Animal Agriculture, plus the Traceability and the Real World Interactive Workshop, April 10 - 12, Denver, CO, USA.
More presentations at https://www.youtube.com/channel/UCeUDeS810OcOfuEYwj1oHKQ
A presentation about protecting clean water during construction projects. Presented by Robert Roseen of Geosyntec Consulting during the Buzzards Bay Coalition's 2014 Decision Makers Workshop series. Learn more at www.savebuzzardsbay.org/DecisionMakers
1. The document discusses water management approaches in Oman, comparing the visible failures in groundwater management to the past invisible successes in surface water (aflaj) management.
2. It analyzes the economic root causes of the problems, finding that the success of aflaj was due to strong socio-economic institutions that managed the "tragedy of the commons," while groundwater failures resulted from a lack of institutions to do the same.
3. Key differences that led to success with aflaj included well-defined and enforced property rights, local leadership, trust between users, and users' dependence on the sustainable management of the small and predictable resource system.
Thank you, Joshua Engelking, Charlene Viger and Deb Rizzi for all your efforts in putting together such a great Lynk and Learn presentation for our employees. We had a great turn out for the event and many positive comments afterwards. I think this was one of the biggest turnouts we've had for a Lynk and Learn.
Generation Lynk will look into ways to provide more information on the topics that interest our members.
The document discusses water resource systems planning and management. It covers several key points:
1) Water availability and demand have emerged as a priority issue due to population growth, pollution, and depletion of resources. Planning aims to balance environmental, economic, technical, and political factors.
2) A water resource system includes the natural river system, socio-economic system, and administrative system. These systems interact.
3) Planning considers both the spatial scale of river basins and temporal scales to balance current and future needs. The goal is sustainable management of water resources.
Green infrastructure can help reduce stormwater runoff and combined sewer overflows in Syracuse. Examples of green infrastructure include green roofs, rain gardens, bioswales, rain barrels, and permeable pavement. Incorporating green infrastructure into Syracuse's existing gray infrastructure for stormwater management can help reduce flooding, improve water quality, and lower costs compared to relying solely on traditional pipe and treatment systems. Case studies from cities like Chicago, Portland, and Toronto demonstrate the multiple benefits of green infrastructure approaches.
Green infrastructure and payments for ecosystem services can provide new sources of funding for water protection. Traditional sources include water rates and bonds. Regulation-driven programs include water quality trading and mitigation markets that generate funds from developers. Voluntary social marketing programs and carbon markets also provide funding. However, integrated planning is needed to ensure funds are directed to high priority areas and projects. More research is required to understand site-specific impacts of green infrastructure techniques on water flows and quality.
This document discusses sustainability in public works and presents case studies from Worcester, MA. It defines sustainability as balancing environmental, community, and economic factors. Case studies show how Worcester improved sustainability through its pay-as-you-throw waste program, large-scale composting, and complete streets program. However, some "green" initiatives may not meet the triple bottom line. Strict regulations like stormwater permits are not always sustainable if the resulting costs are too high without clear benefits.
The document discusses challenges facing Los Angeles's water infrastructure including an increasing population, aging systems, and dependency on imported water. It outlines Los Angeles's approach through an Integrated Resources Plan to address these challenges through a regional, watershed-based approach involving stakeholder collaboration. Key aspects of the implementation discussed include expanding water conservation, stormwater management through projects like creek and park restoration, and increasing recycled water with a goal of 59,000 acre-feet per year by 2035 through projects like groundwater recharge. The plan has helped build partnerships and launch numerous sustainability programs.
This document summarizes Upma Sharma's PhD seminar presentation on water resource systems planning and management concepts, approaches, and modeling. The presentation covered key topics such as system definition and properties, water resource systems, the process of water resource planning, planning approaches and aspects, water resource systems modeling, modeling types and algorithms, planning and management objectives, and provided an example of a river basin management decision support system for the Nura-Ishim River basins.
Citizens Territory serves 325,000 retail and 8 wholesale customers through 10 treatment plants with a total capacity of 257 million gallons per day (MGD). The average daily demand is 125 MGD and maximum daily demand was 232 MGD in 2012. The system includes 4,394 miles of water main. An integrated water resource plan evaluates 50-year projections for demand, capacity, source water availability, treatment needs, distribution limitations, and required capital projects. Project prioritization considers factors like regulatory requirements, infrastructure needs, operations and technology, environmental and safety issues, capital growth, and failure risk.
This document provides an introduction to horizontal hydrofracturing, or "fracking". It discusses the process of extracting natural gas from shale rock formations using hydraulic fracturing techniques. Key points include: natural gas makes up a significant portion of US energy production and its extraction from shale has increased dramatically in recent years; the hydrofracturing process involves drilling horizontally into shale and injecting a high-volume of water and chemicals to fracture the rock; this "slickwater fracking" technique has raised health and environmental concerns; and more research is still needed to understand the potential public health impacts of hydrofracturing activities and emissions.
Env activity set for city collegea new (recovered)this oneDr Robert Craig PhD
This 15-day unit plan explores New York City's wastewater treatment system. Students will learn about the history and development of the system, visit relevant sites, and model the wastewater treatment process. Over the course of the unit, students will gain an understanding of wastewater treatment, from the collection of sewage to its treatment and disposal. They will draw diagrams, define key terms, and do a final presentation to share what they have learned. The goal is for students to explore facets of city planning and disaster preparedness through studying the city's wastewater infrastructure.
This document summarizes a presentation about using process models to help build trust and understanding when implementing edge of field conservation practices. It discusses how process models can help various stakeholders like conservation professionals, landowners, cities, and contractors understand the time and resources required. It provides examples of process models created for constructed wetlands, saturated buffers, and bioreactors. The presentation discusses the goals of helping more stakeholders and expanding the models, as well as thanking collaborators on the project.
This document discusses the challenges of meeting nitrogen reduction goals in the Upper Mississippi River Basin. It notes that meeting the nutrient reduction goals will be a massive effort that requires a mix of practices across Iowa, Minnesota, and Illinois, including wetlands, drainage treatment, and stacked practices. However, there are also many challenges to implementing the necessary practices, including economics, human/social factors, delivery challenges, risk management, climate change, and the need for further research. The document emphasizes that understanding the large scale of the challenge is needed to make progress toward the nutrient reduction goals.
The document summarizes a meta-analysis that compared the nitrate removal performance of different substrates used in denitrifying bioreactors. It found that wood media had the highest nitrate removal rate (NRR) and percentage (NRE), followed by mulch media, nutshell-based media, and inorganic media. However, when considering cost-effectiveness, woodchip and corn cob were the most economical natural organic carbon substrates. Overall, the analysis suggests that mulch media is the optimal material for nitrate removal due to its low cost and potential to overcome deficiencies in other media types.
The document summarizes an investigation into phosphorus transport dynamics in subsurface drainage using high-frequency measurements. Key findings include:
1) TRP concentration had a dynamic pattern that was strongly influenced by drainage discharge levels, highlighting the need for high-resolution sampling.
2) Event flows contributed 78% of the total TRP load despite comprising only 50% of total flow.
3) Flow-proportional sampling strategies provided more accurate TRP load estimates than time-proportional strategies and were more cost-effective. Targeting high flow periods is important for reducing phosphorus loss.
This document summarizes a study that evaluated a procedure for prioritizing maintenance of agricultural drainage ditches. The study measured the critical shear stress of soils using a cohesive strength meter to assess their susceptibility to erosion. Soils with higher root densities and those treated with mixed lime showed higher critical shear stresses, meaning they were less susceptible to erosion. Measurements of pressure on the soil surface during testing were mostly lower than estimates from other studies. The procedure effectively identified the relative erosion resistance of different soils, aiding prioritization of drainage ditch maintenance needs.
ISG worked with Blue Earth County to digitize and modernize their drainage data. They georeferenced existing plans, digitized drainage features, attributed data to the digitized features, and created a geodatabase to house the updated drainage data. This project consolidated Blue Earth County's drainage records, improved data accuracy, and established a process for ISG and the County to regularly update the drainage data going forward. The updated digital records will benefit Blue Earth County, ISG, other engineering firms, and the public.
This document summarizes the results of Latvia's long-term Agricultural Runoff Monitoring programme, which aims to document nutrient concentrations and losses at different spatial and temporal scales. The monitoring covers groundwater, experimental drainage plots, subsurface drainage fields, small catchments, and small/medium rivers at 23 sites. Results show discharge and nutrient concentration data varying by location, scale of monitoring, and between years with flooding or drought. Nutrient levels differed between the Berze and Mellupite monitoring sites and across groundwater, drainage plots, and catchment scales. The programme provides long-term data on agricultural nonpoint source pollution across Latvia.
This document summarizes an applied research and demonstration project evaluating soil and water management practices in undulating soils in southwestern Manitoba. The project aims to reduce nitrogen, phosphorus and salt export while improving drought resiliency. Preliminary results show tile drainage is lowering water tables most in lower landscape positions, with soil moisture responding rapidly in drained areas. Tile flow rates increase with decreasing elevation. Water quality measurements also show higher salt concentrations in lower positions. Next steps include water quality treatment analysis, long-term monitoring, modeling, knowledge transfer and reporting.
This document summarizes a coordinated research network studying the impacts of 4R nutrient stewardship practices on crop yields, soil health, and nutrient losses across sites in North America. The network included 8 research sites across 6 states/provinces from 2017-2020. Treatments included different fertilizer application timings, placements, sources, and rates. Standardized data collection allowed comparisons across sites. Preliminary findings showed 4R and advanced 4R practices improved nutrient use efficiency and reduced nitrogen losses while maintaining crop yields. Nitrous oxide emissions and nitrate leaching losses decreased under improved nutrient management, though impacts varied between sites and years. Ongoing research aims to further quantify environmental benefits and optimize fertilizer practices.
The document summarizes research on managing drainage water in the Holland Marsh region of Ontario to improve water quality and agricultural productivity. Key points:
- The Holland Marsh is an important vegetable growing region on organic soils, but drainage into Lake Simcoe contributes excess nutrients.
- A study evaluated controlling water tables with controlled drainage to reduce pumping and nutrient loads in drainage water. Modeling and monitoring found it effective for water conservation but more limited for nutrient reductions.
- Soil phosphorus pools, particularly aluminum and iron-bound phosphorus, were found to influence phosphorus levels in drainage water more than drainage management alone. Fertilizer applications exceeded crop needs, accumulating legacy phosphorus in soils over time.
This document summarizes a study comparing the effects of conventional ditch drainage (FD) and shallow furrow drainage with tile (SD) on crop yields and water quality in eastern North Carolina. Preliminary results found that SD led to a 68% reduction in drainage volume, 80% less nitrate export, and higher average soybean (+9.1%) and corn (+3.7%) yields compared to FD. SD also requires less land area than FD, has lower maintenance needs, and shows potential to improve water quality and agricultural productivity with more efficient drainage management. The research aims to further quantify these impacts of SD drainage design.
1) DRAINMOD simulations were conducted for a field in Harrow, Ontario with an asymmetrical drainage system to determine the best approach to simulate drain outflow. 2) Four approaches using different drain spacings were tested: 3.8m, 5.06m, 7.6m, and 15.2m. 3) The mean absolute error and root mean square error for each approach were acceptable, indicating drain spacing had little impact on outflow simulation, though it did impact soil moisture parameters.
This document discusses how the choice of pipe material influences drain spacing and system cost. It finds that pipe with more rows of perforations, such as an 8-row regular perforated pipe, has a higher effective radius than a 4-row pipe, allowing for wider drain spacing. Experiments show that a sock-wrapped pipe has the highest drain inflow of the pipes tested, both with and without drain sedimentation present. The key takeaways are that the number of perforation rows and slot length most impact effective radius and drain flow, and a sock-wrapped pipe performs best in terms of drain inflow and spacing.
This document summarizes research conducted by the Plastics Pipe Institute (PPI) on the installation of corrugated high-density polyethylene (HDPE) and polypropylene (PP) agricultural drainage pipe. It describes field testing of 30-inch HDPE dual-wall pipe installed at a test site in Ohio, including instrumentation to monitor strain and deflection. Finite element modeling was also used to analyze trench configurations. The research aims to update industry guidance documents to optimize pipe installation practices and trench designs. PPI members also work to increase the use of recycled HDPE and PP materials in pipe production.
The document discusses Ohio's H2Ohio water quality initiative and its funding of conservation practices including two-stage ditches. It launched in 2019 with $172 million to reduce phosphorus runoff from farms using best management practices like wetlands, buffers, and two-stage ditches. A $5 million grant program was announced to fund two-stage ditch projects based on design guidelines. The document provides details on the grant application process, design requirements using regional curves, and goals to fund 20 projects for 30 miles of ditches at $30 per foot on average.
This document provides information on edge-of-field conservation practices and a panel discussion on drainage ditches. It summarizes various practices for nutrient, soil, and sediment removal including vegetated buffers, grassed waterways, prairie strips, wetlands, bioreactors, and controlled drainage. Cost effectiveness data is given for each. The key elements of an edge-of-field roadmap are outlined as building the economic case, increasing implementation capacity, and elevating a culture of conservation. A sample conservation planning scenario shows identified sites for practices treating over 9,000 acres of land. The document concludes with information on connecting with The Nature Conservancy's Ohio agriculture programs.
This document discusses the implementation and maintenance of two-stage ditches. Two-stage ditches incorporate a floodplain area to increase flow capacity while slowing velocities. They allow for channel vegetation, improve sediment settling, and provide water quality benefits. Challenges include obtaining land access, communication with landowners, permitting, and planting/erosion control. Case studies of implemented two-stage ditch projects in Lucas County demonstrate post-construction conditions and results, including improved drainage and yields for agriculture.
This document summarizes research on conservation channel design and sediment capture in two-stage ditches. It finds that self-forming channels accumulated more sediment, carbon, nitrogen, and phosphorus over time compared to traditional ditches. Sediment analysis showed higher nutrient levels than surrounding soils. A case study site captured over 500 kg of phosphorus over 9 years that could be harvested and reused as fertilizer, offsetting nutrient costs for farmers. The document concludes sediment trapping in two-stage ditches can improve water quality while providing a locally sourced, cost-effective fertilizer resource.
Farmers, drainage contractors, researchers, and conservation authorities collaborated on a drainage innovation project at Huronview in Clinton, Ontario. They worked together on the design, installation, and monitoring of new drainage practices to improve water quality and sustainability while maintaining agricultural productivity. A demonstration day was held in June 2019 to share results with stakeholders. The project aimed to foster cooperation across sectors and balance priorities around drainage, research, environmental protection, and social acceptance.
This document summarizes a study on the impact of drainage water recycling (DWR) on nutrient and sediment losses from agricultural fields in eastern North Carolina. The study found that storing drainage water in an on-farm reservoir for supplemental irrigation (DWR) significantly reduced nitrogen, phosphorus, and sediment concentrations and loads compared to a non-irrigated control field. Specifically, DWR reduced total nitrogen concentration by 40% and load by 47%. It also reduced total phosphorus concentration by 21% and load by 30%. Sediment concentration was reduced by 86% and load by 87%. The hydraulic retention time in the reservoir was found to be the major factor influencing nutrient and sediment removal efficiency.
More from Soil and Water Conservation Society (20)
Optimizing Post Remediation Groundwater Performance with Enhanced Microbiolog...Joshua Orris
Results of geophysics and pneumatic injection pilot tests during 2003 – 2007 yielded significant positive results for injection delivery design and contaminant mass treatment, resulting in permanent shut-down of an existing groundwater Pump & Treat system.
Accessible source areas were subsequently removed (2011) by soil excavation and treated with the placement of Emulsified Vegetable Oil EVO and zero-valent iron ZVI to accelerate treatment of impacted groundwater in overburden and weathered fractured bedrock. Post pilot test and post remediation groundwater monitoring has included analyses of CVOCs, organic fatty acids, dissolved gases and QuantArray® -Chlor to quantify key microorganisms (e.g., Dehalococcoides, Dehalobacter, etc.) and functional genes (e.g., vinyl chloride reductase, methane monooxygenase, etc.) to assess potential for reductive dechlorination and aerobic cometabolism of CVOCs.
In 2022, the first commercial application of MetaArray™ was performed at the site. MetaArray™ utilizes statistical analysis, such as principal component analysis and multivariate analysis to provide evidence that reductive dechlorination is active or even that it is slowing. This creates actionable data allowing users to save money by making important site management decisions earlier.
The results of the MetaArray™ analysis’ support vector machine (SVM) identified groundwater monitoring wells with a 80% confidence that were characterized as either Limited for Reductive Decholorination or had a High Reductive Reduction Dechlorination potential. The results of MetaArray™ will be used to further optimize the site’s post remediation monitoring program for monitored natural attenuation.
Improving the viability of probiotics by encapsulation methods for developmen...Open Access Research Paper
The popularity of functional foods among scientists and common people has been increasing day by day. Awareness and modernization make the consumer think better regarding food and nutrition. Now a day’s individual knows very well about the relation between food consumption and disease prevalence. Humans have a diversity of microbes in the gut that together form the gut microflora. Probiotics are the health-promoting live microbial cells improve host health through gut and brain connection and fighting against harmful bacteria. Bifidobacterium and Lactobacillus are the two bacterial genera which are considered to be probiotic. These good bacteria are facing challenges of viability. There are so many factors such as sensitivity to heat, pH, acidity, osmotic effect, mechanical shear, chemical components, freezing and storage time as well which affects the viability of probiotics in the dairy food matrix as well as in the gut. Multiple efforts have been done in the past and ongoing in present for these beneficial microbial population stability until their destination in the gut. One of a useful technique known as microencapsulation makes the probiotic effective in the diversified conditions and maintain these microbe’s community to the optimum level for achieving targeted benefits. Dairy products are found to be an ideal vehicle for probiotic incorporation. It has been seen that the encapsulated microbial cells show higher viability than the free cells in different processing and storage conditions as well as against bile salts in the gut. They make the food functional when incorporated, without affecting the product sensory characteristics.
Evolving Lifecycles with High Resolution Site Characterization (HRSC) and 3-D...Joshua Orris
The incorporation of a 3DCSM and completion of HRSC provided a tool for enhanced, data-driven, decisions to support a change in remediation closure strategies. Currently, an approved pilot study has been obtained to shut-down the remediation systems (ISCO, P&T) and conduct a hydraulic study under non-pumping conditions. A separate micro-biological bench scale treatability study was competed that yielded positive results for an emerging innovative technology. As a result, a field pilot study has commenced with results expected in nine-twelve months. With the results of the hydraulic study, field pilot studies and an updated risk assessment leading site monitoring optimization cost lifecycle savings upwards of $15MM towards an alternatively evolved best available technology remediation closure strategy.
Kinetic studies on malachite green dye adsorption from aqueous solutions by A...Open Access Research Paper
Water polluted by dyestuffs compounds is a global threat to health and the environment; accordingly, we prepared a green novel sorbent chemical and Physical system from an algae, chitosan and chitosan nanoparticle and impregnated with algae with chitosan nanocomposite for the sorption of Malachite green dye from water. The algae with chitosan nanocomposite by a simple method and used as a recyclable and effective adsorbent for the removal of malachite green dye from aqueous solutions. Algae, chitosan, chitosan nanoparticle and algae with chitosan nanocomposite were characterized using different physicochemical methods. The functional groups and chemical compounds found in algae, chitosan, chitosan algae, chitosan nanoparticle, and chitosan nanoparticle with algae were identified using FTIR, SEM, and TGADTA/DTG techniques. The optimal adsorption conditions, different dosages, pH and Temperature the amount of algae with chitosan nanocomposite were determined. At optimized conditions and the batch equilibrium studies more than 99% of the dye was removed. The adsorption process data matched well kinetics showed that the reaction order for dye varied with pseudo-first order and pseudo-second order. Furthermore, the maximum adsorption capacity of the algae with chitosan nanocomposite toward malachite green dye reached as high as 15.5mg/g, respectively. Finally, multiple times reusing of algae with chitosan nanocomposite and removing dye from a real wastewater has made it a promising and attractive option for further practical applications.
Kinetic studies on malachite green dye adsorption from aqueous solutions by A...
Garmestani adaptive management for ecosystems
1. Adaptive Management of
Urban Green Infrastructure
Ahjond S. Garmestani, William D. Shuster
and Olivia Odom Green
•The views expressed in this presentation are those of the authors and do not
represent the views or policies of the U.S. Environmental Protection Agency
2. • - Violation of CWA
–- combined sewer
overflows (CSO)
- “Combined” sewers
Stormwater &
wastewater
–- wet weather = CSOs
–- public health and
–environmental issue
2
Cleveland, Ohio
7. •- Adaptive Management (AM)
Framework
•- AM = Iterative process
- incorporates citizen and
stakeholder input
•- AM: critical aspect of
Adaptive Governance
8. Green Infrastructure (GI)
• Direct GI benefits:
–- Reduction in runoff volume
–- Increased detention capacity
–- Restoration of natural hydrologic cycle
8
10. Integrating Adaptive Management into
governance
*Case Study: Cleveland - Slavic Village
Project
What is Adaptive Governance?
11. • Resilience
–- Capacity of a system to withstand change
–- If resilience is “eroded”
• System becomes vulnerable to regime shifts
• Alternate regime: different set of processes and
structures (e.g., coral to algae dominated reef)
12. Multiple regimes
• - For our purposes, urban watershed is in a degraded
regime
• - Resilience isn’t a “good” thing here
• - Must erode the resilience of the degraded regime
–- transform watershed to a different, “improved”
regime that mimics the natural system
13. • Adaptive Management
–- Integration of resilience theory into natural
resources management
–- Alter management in response to
monitoring
–
14. Adaptive Governance
–1) Legislation and Accountability
• *Adaptive Management
2) “Intermediaries”
*Bridging organizations (SVDC) and
networks
–3) Matching organizations to the appropriate
scale
• *Panarchy
15.
16.
17.
18.
19. Cleveland: Slavic Village Project
• - Phase 1: Collecting baseline data
• - Gathering hydrologic and ecosystem services
data
- Phase 2: Control sites and treatment sites (i.e.,
implement GI in vacant lots)
20. –- Goal: GI contain stormwater
–- Hydrologic and ecosystem services
data
•- Information feeds back into the AM
process
21. Slavic Village Project
• - Cleveland Botanical Garden is a key player in project
–* 12 rain gardens into vacant lots
- Plants have been selected for provisioning of
ecosystem services (e.g., pollination)
- Ohio State University will plant 20-30 vacant lots
(“minimalist” GI)
22. Pollinators
• - Trade-off between citizen preferences and best
plants for pollinators
• - Why? If citizens don’t like what they see they will be
less likely to stay engaged in work
• - Worse………might chop plants down