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Water quality

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Full-Text Articles in Oceanography and Atmospheric Sciences and Meteorology

Causes And Effects Of Shisper Glacial Lake Outburst Flood Event In Karakoram In 2022, Sandeep Kumar Mondal, Vatsal D. Patel, Rishikesh Bharti, Ramesh P. Singh Oct 2023

Causes And Effects Of Shisper Glacial Lake Outburst Flood Event In Karakoram In 2022, Sandeep Kumar Mondal, Vatsal D. Patel, Rishikesh Bharti, Ramesh P. Singh

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Karakoram Himalayas are vulnerable to glacial lake outburst floods (GLOFs), which cause catastrophic floods in the surrounding areas. The increasing natural and anthropogenic activities, especially in the Indo-Gangetic Plains at the southern flank of the towering Himalayas, could be the cause of climate change affecting the frequency of the natural hazards in the Himalayas. In the present study, a detailed analysis of the Shisper Lake breach of 7 May 2022 is carried out using satellite remote sensing. A decreasing trend in the glacial mass balance is observed between 2017 and 2021; in this period, frequent GLOF episodes occurred. A pronounced …


Hydropower To The People: Implications Of A Comparative Macroinvertebrate Study On Either Side Of The Central Hidroeléctrica Topo In Tungurahua, Ecuador, Grace Mazur Apr 2023

Hydropower To The People: Implications Of A Comparative Macroinvertebrate Study On Either Side Of The Central Hidroeléctrica Topo In Tungurahua, Ecuador, Grace Mazur

Independent Study Project (ISP) Collection

This study uses macroinvertebrates as bioindicators to assess the water quality upstream and downstream of a hydroelectric project in Ecuador’s eastern cloud forest. Ecuador has increasingly turned to hydropower to supply its energy needs as pressure mounts to turn away from fossil fuels. This transition has been realized on the Río Topo, located in the province of Tungurahua. This study aims to determine how the Central Hidroeléctrica Topo (CHT), a diversion hydroelectric project (HEP) constructed on the Río Topo in the 2010s, has affected the water quality of the river. Samples were taken of benthic (bottom-dwelling) macroinvertebrates in the Río …


A Biological Assessment Of Water Quality In El Placer, Ecuador: The Effect Of Agriculture On Stream Health And The Quality Of Historical Versus Current Drinking Water Sources, Danielle Kleinberg Oct 2021

A Biological Assessment Of Water Quality In El Placer, Ecuador: The Effect Of Agriculture On Stream Health And The Quality Of Historical Versus Current Drinking Water Sources, Danielle Kleinberg

Independent Study Project (ISP) Collection

Although fresh water is one of Ecuador’s most abundant resources, high quality drinking water for its inhabitants is scarce (Wingfield et al., 2021). The most prevalent sources of water pollution in Ecuador are domestic waste, silver and gold mining, oil production, and agricultural chemicals (Buckalew et al., 1997). El Placer, a village located in Tungurahua, Ecuador, is highly dependent on agriculture as a source of income. The first objective of this study was to determine the effect of agriculture on the El Placer’s Tía Anita Stream through comparing the water quality at three sites with varying agricultural influence. The second …


Payment For Ecosystem Services: Incentives To Support Environmental Quality & Farming In Vermont, Stephen Posner, Taylor Ricketts, Eric Roy Oct 2019

Payment For Ecosystem Services: Incentives To Support Environmental Quality & Farming In Vermont, Stephen Posner, Taylor Ricketts, Eric Roy

Reports and Policy Briefs

Environmental quality is an ongoing concern in the Lake Champlain Basin. Vermont farmers are in a unique position to manage land in a way that maintains and improves environmental quality. A payment for ecosystem services (PES) program for Vermont would both support the economic vi- ability of Vermont farms and incentivize farmers to improve water quality and soil health. How- ever, conceptual and practical implementation challenges remain.


Coupled Impacts Of Climate And Land Use Change Across A River-Lake Continuum: Insights From An Integrated Assessment Model Of Lake Champlain's Missisquoi Basin, 2000-2040, Asim Zia, Arne Bomblies, Andrew W. Schroth, Christopher Koliba, Peter D.F. Isles, Yushiou Tsai, Ibrahim N. Mohammed, Gabriela Bucini, Patrick J. Clemins, Scott Turnbull, Morgan Rodgers, Ahmed Hamed, Brian Beckage, Jonathan Winter Nov 2016

Coupled Impacts Of Climate And Land Use Change Across A River-Lake Continuum: Insights From An Integrated Assessment Model Of Lake Champlain's Missisquoi Basin, 2000-2040, Asim Zia, Arne Bomblies, Andrew W. Schroth, Christopher Koliba, Peter D.F. Isles, Yushiou Tsai, Ibrahim N. Mohammed, Gabriela Bucini, Patrick J. Clemins, Scott Turnbull, Morgan Rodgers, Ahmed Hamed, Brian Beckage, Jonathan Winter

College of Engineering and Mathematical Sciences Faculty Publications

Global climate change (GCC) is projected to bring higher-intensity precipitation and higher-variability temperature regimes to the Northeastern United States. The interactive effects of GCC with anthropogenic land use and land cover changes (LULCCs) are unknown for watershed level hydrological dynamics and nutrient fluxes to freshwater lakes. Increased nutrient fluxes can promote harmful algal blooms, also exacerbated by warmer water temperatures due to GCC. To address the complex interactions of climate, land and humans, we developed a cascading integrated assessment model to test the impacts of GCC and LULCC on the hydrological regime, water temperature, water quality, bloom duration and severity …


Slides: Data Sharing And River Basin Modelling: From The Colorado To The Nile, Kevin Wheeler Jun 2016

Slides: Data Sharing And River Basin Modelling: From The Colorado To The Nile, Kevin Wheeler

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Kevin Wheeler, University of Oxford

29 slides


Slides: Environmental Flows In The Era Of 'River Anthropology', Rebecca Tharme Jun 2016

Slides: Environmental Flows In The Era Of 'River Anthropology', Rebecca Tharme

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Rebecca Tharme, Riverfutures Ltd.

18 slides


Slides: Environmental Flow Case Studies: Southern And Eastern Africa, Rebecca Tharme, Kelly Fouchy, Susan Graas, John Conallin, Michael Mcclain, Unesco-Ihe, Felister Mombo, Sokoine University Of Agriculture Jun 2016

Slides: Environmental Flow Case Studies: Southern And Eastern Africa, Rebecca Tharme, Kelly Fouchy, Susan Graas, John Conallin, Michael Mcclain, Unesco-Ihe, Felister Mombo, Sokoine University Of Agriculture

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Rebecca Tharme, Riverfutures Ltd.

17 slides


Slides: Is There A Dust Bowl In Our Future?: Projections For The Eastern Rockies And Central Great Plains, Dennis Ojima Jun 2013

Slides: Is There A Dust Bowl In Our Future?: Projections For The Eastern Rockies And Central Great Plains, Dennis Ojima

Water, Climate and Uncertainty: Implications for Western Water Law, Policy, and Management (Summer Conference, June 11-13)

Presenter: Dennis Ojima, Senior Research Scientist, Natural Resource Ecology Laboratory, Colorado State University (NREL/CSU)

30 slides


Nantucket Shellfish Management Plan, Kristin Uiterwyk, Steve Bliven, Dan Leavitt, Jack Wiggin, Urban Harbors Institute, University Of Massachusetts Boston Apr 2012

Nantucket Shellfish Management Plan, Kristin Uiterwyk, Steve Bliven, Dan Leavitt, Jack Wiggin, Urban Harbors Institute, University Of Massachusetts Boston

Office of Community Partnerships Posters

Nantucket’s shellfish resources are an important part of the Island’s history, culture, and economy. Nantucket waters support one of the country’s last wild-caught bay scallop fisheries. Elsewhere along the Atlantic coast, fishing pressure, habitat loss, and disease have severely depleted bay scallop populations. Although Nantucketers continue to make a living harvesting shellfish from the Island’s waters, many do so with concern for the future of the resources and the habitats that support them. Urban Harbors Institute (UHI) provided technical assistance to the community to develop a Shellfish Management Plan (SMP) that addresses issues of water quality, habitat loss, climate change, …


Fact Sheet: Study Of Long-Term Augmentation Options For The Water Supply Of The Colorado System, Black & Veatch, Ch2m Hill Jun 2011

Fact Sheet: Study Of Long-Term Augmentation Options For The Water Supply Of The Colorado System, Black & Veatch, Ch2m Hill

Navigating the Future of the Colorado River (Martz Summer Conference, June 8-10)

1 page.

"March 2008"

Material submitted by Les Lampe, Colorado River Water Consultants, for "Augmentation Options" program, Session 3: Mapping a New Course, Panel F: Some Policy Options and Solutions.

Colorado River Water Consultants is a project-specific partnership of engineering firms Black & Veatch and CH2MHill.


Slides: Introduction To Large-Scale Planning And The Intermountain Bmp Project, Kathryn Mutz May 2011

Slides: Introduction To Large-Scale Planning And The Intermountain Bmp Project, Kathryn Mutz

Best Management Practices (BMPs): What? How? And Why? (May 26)

Presenter: Kathryn Mutz, Natural Resources Law Center, University of Colorado School of Law

18 slides


Slides: Collaborative Planning And Lessons Learned, Matt Sura May 2011

Slides: Collaborative Planning And Lessons Learned, Matt Sura

Best Management Practices (BMPs): What? How? And Why? (May 26)

Presenter: Matt Sura, University of Colorado Law School

48 slides


Human Sanitary Wastes And Waste Treatment In New York City, David J. Tonjes, Christine O'Connell, Omkar Aphale, R. Lawrence Swanson Jan 2011

Human Sanitary Wastes And Waste Treatment In New York City, David J. Tonjes, Christine O'Connell, Omkar Aphale, R. Lawrence Swanson

Technology & Society Faculty Publications

Henry Hudson first sailed toNew Yorkharbor 400 years ago. Since then,New York Cityhas both affected and been affected by water quality in greaterNew YorkHarbor. In this paper, we focus on sewers, sewerage, and sewage treatment inManhattanand their effects on theHudson River. It is clear that feedbacks among drinking water quality and quantity, population, public perceptions, regulations, and estuarine water quality exist, although their strength and character have varied over time. Early land uses damaged local water supplies found on ManhattanIsland. New Yorkthen began to exploit the large fresh water resources available to its north, which helped the City to expand …


Slides: Water And Development Of Unconventional Oil And Gas Resources, Judy Jordan Nov 2010

Slides: Water And Development Of Unconventional Oil And Gas Resources, Judy Jordan

Shale Plays in the Intermountain West: Legal and Policy Issues (November 12)

Presenter: Judy Jordan, Oil & Gas Liaison, Garfield County, Rifle, CO

21 slides


Slides: Intermountain Oil And Gas Bmp Project, Kathryn Mutz Oct 2010

Slides: Intermountain Oil And Gas Bmp Project, Kathryn Mutz

Opportunities and Obstacles to Reducing the Environmental Footprint of Natural Gas Development in Uintah Basin (October 14)

Presenter: Kathryn Mutz, Natural Resources Law Center, University of Colorado at Boulder

21 slides


Slides: Assessing Opportunities And Barriers To Reducing The Environmental Footprint Of Oil And Gas Development In Utah, Douglas Jackson-Smith, Lorien Belton, Brian Gentry, Gene Theodori Oct 2010

Slides: Assessing Opportunities And Barriers To Reducing The Environmental Footprint Of Oil And Gas Development In Utah, Douglas Jackson-Smith, Lorien Belton, Brian Gentry, Gene Theodori

Opportunities and Obstacles to Reducing the Environmental Footprint of Natural Gas Development in Uintah Basin (October 14)

Presenter: Dr. Douglas Jackson-Smith, Utah State University--Logan Campus

37 slides


Slides: Costs And Benefits Of Oil Shale Development, James T. Bartis Feb 2010

Slides: Costs And Benefits Of Oil Shale Development, James T. Bartis

The Promise and Peril of Oil Shale Development (February 5)

Presenter: James T. Bartis, Senior Policy Researcher, Rand Corporation

21 slides


Slides: Impacts Of Oil Shale On Carbon Emissions, Jeremy Boak Feb 2010

Slides: Impacts Of Oil Shale On Carbon Emissions, Jeremy Boak

The Promise and Peril of Oil Shale Development (February 5)

Presenter: Dr. Jeremy Boak, Center for Oil Shale Technology & Research, Colorado School of Mines

43 slides


Slides: Next Evolutionary Steps In State Instream Flow Programs, Lawrence J. Macdonnell Jun 2009

Slides: Next Evolutionary Steps In State Instream Flow Programs, Lawrence J. Macdonnell

Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)

Presenter: Lawrence J. MacDonnell, attorney and consultant, Boulder, CO

27 slides


Slides: Rethinking Western Water Law: Restoring The Public Interest In Western Water Law, Mark Squillace Jun 2009

Slides: Rethinking Western Water Law: Restoring The Public Interest In Western Water Law, Mark Squillace

Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)

Presenter: Mark Squillace, Director, Natural Resources Law Center, University of Colorado Law School

20 slides


Slides: Transboundary Solutions: A Water Trust, Policy, And Environmental Flows For The Colorado River Delta, Jennifer Pitt Jun 2009

Slides: Transboundary Solutions: A Water Trust, Policy, And Environmental Flows For The Colorado River Delta, Jennifer Pitt

Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)

Presenter: Jennifer Pitt, Environmental Defense Fund, Boulder, CO

26 slides


Slides: Water Leasing In The Lower Arkansas Valley: The "Super Ditch Company", Peter Nichols Jun 2009

Slides: Water Leasing In The Lower Arkansas Valley: The "Super Ditch Company", Peter Nichols

Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)

Presenter: Peter NIchols, Trout, Raley, Montano, Witwer & Freeman, Denver, CO

28 slides


Agenda: Western Water Law, Policy And Management: Ripples, Currents, And New Channels For Inquiry, University Of Colorado Boulder. Natural Resources Law Center, Western Water Policy Program Jun 2009

Agenda: Western Water Law, Policy And Management: Ripples, Currents, And New Channels For Inquiry, University Of Colorado Boulder. Natural Resources Law Center, Western Water Policy Program

Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)

In many pockets of the American West, stresses and demands on water resources are overwhelming our capacity to effectively manage change and accommodate the diversity of interests and values associated with our limited water resources.

This event will offer an opportunity for lawyers, policymakers, and water professionals to engage the experts on the challenges and emerging solutions to the most pressing water policy and management issues of the day.


Slides: Finding Flows: Fish Still Need Water Everyday, Melinda Kassen Jun 2009

Slides: Finding Flows: Fish Still Need Water Everyday, Melinda Kassen

Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)

Presenter: Melinda Kassen, Director of the Western Water Project, Trout Unlimited

12 slides


Slides: Groundwater Declines, Climate Change And Approaches To Adaptation, Katharine Jacobs Jun 2009

Slides: Groundwater Declines, Climate Change And Approaches To Adaptation, Katharine Jacobs

Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)

Presenter: Katharine Jacobs, Director of the Arizona Water Institute, University of Arizona

37 slides


Slides: Lower Arkansas Valley Super Ditch Company, Inc.: Water Leasing Program, Peter Nichols Dec 2008

Slides: Lower Arkansas Valley Super Ditch Company, Inc.: Water Leasing Program, Peter Nichols

Evolving Regional Frameworks for Ag-to-Urban Water Transfers (December 11)

Presenter: Peter Nichols, General Counsel of the Lower Arkansas Valley “Super Ditch” Company, Trout, Raley, Montano, Witwer & Freeman PC, Colorado

33 slides


Slides: Linking Growth, Land Use And Water, Jim Holway Jun 2008

Slides: Linking Growth, Land Use And Water, Jim Holway

Shifting Baselines and New Meridians: Water, Resources, Landscapes, and the Transformation of the American West (Summer Conference, June 4-6)

Presenter: Jim Holway, Global Institute of Sustainability, Civil and Environmental Engineering, Arizona Water Institute, Arizona State University

29 slides


Slides: Water Needs And Strategies For A Sustainable Future, Shaun Mcgrath Jun 2008

Slides: Water Needs And Strategies For A Sustainable Future, Shaun Mcgrath

Shifting Baselines and New Meridians: Water, Resources, Landscapes, and the Transformation of the American West (Summer Conference, June 4-6)

Presenter: Shaun McGrath, Program Director, Western Governors’ Association

25 slides


Slides: Beyond Rethinking: Redoing Western Water Law, Janet Neuman Jun 2008

Slides: Beyond Rethinking: Redoing Western Water Law, Janet Neuman

Shifting Baselines and New Meridians: Water, Resources, Landscapes, and the Transformation of the American West (Summer Conference, June 4-6)

Presenter: Professor Janet Neuman, Lewis & Clark Law School

17 slides