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Articles 61 - 90 of 240
Full-Text Articles in Earth Sciences
Climate Change Adaptation For Southern California Groundwater Managers: A Case Study Of The Six Basins Aquifer, Frank Lyles
Climate Change Adaptation For Southern California Groundwater Managers: A Case Study Of The Six Basins Aquifer, Frank Lyles
Pomona Senior Theses
Groundwater has been very important to the economic development of Southern California, and will continue to be a crucial resource in the 21st century. However, Climate Change threatens to disrupt many of the physical and economic processes that control the flow of water in and out of aquifers. One groundwater manager, the Six Basins Watermaster in eastern Los Angeles and western San Bernardino Counties, has developed a long-term planning document called the Strategic Plan that mostly fails to address the implications of Climate Change, especially for local water supplies. This thesis presents an in-depth analysis of the Six Basin Watermaster’s …
Continuous Snow Water Equivalent Measurements With Ultra-Wideband Radar: Towards A New Generation Of Real-Time Automated Snow Sensor Arrays, Mark Edward Robertson
Continuous Snow Water Equivalent Measurements With Ultra-Wideband Radar: Towards A New Generation Of Real-Time Automated Snow Sensor Arrays, Mark Edward Robertson
Boise State University Theses and Dissertations
Snow accounts for the majority of precipitation in many areas of the Western United States, and accurate measurements of the amount of water contained in the snowpack, known as snow water equivalent (SWE), are therefore important for water resource managers. The National Resources Conservation Service Snow Telemetry (SNOTEL) sites are the current standard remote measurement of SWE, with approximately 800 sites across the Western United States. Measurements at these sites are made by snow pillows, which weigh the overburden pressure of a snowpack, and are relatively expensive to install and maintain. Spring runoff is modeled using a 30-year average of …
Agenda: Indigenous Water Justice Symposium, University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment
Agenda: Indigenous Water Justice Symposium, University Of Colorado Boulder. Getches-Wilkinson Center For Natural Resources, Energy, And The Environment
Indigenous Water Justice Symposium (June 6)
Indigenous peoples throughout the world face diverse and often formidable challenges of what might be termed “water justice.” On one hand, these challenges involve issues of distributional justice that concern Indigenous communities’ relative abilities to access and use water for self-determined purposes. On the other hand, issues of procedural justice are frequently associated with water allocation and management, encompassing fundamental matters like representation within governance entities and participation in decision-making processes. Yet another realm of water justice in which disputes are commonplace relates to the persistence of, and respect afforded to, Indigenous communities’ cultural traditions and values surrounding water—more specifically, …
Modeling The Influence Of The Heterogeneous Substrate On The Transport Of The Jet Fuel Solute Plume, Kirtland Air Force Base, Albuquerque, New Mexico, Hannah Sarah Gatz-Miller
Modeling The Influence Of The Heterogeneous Substrate On The Transport Of The Jet Fuel Solute Plume, Kirtland Air Force Base, Albuquerque, New Mexico, Hannah Sarah Gatz-Miller
Earth and Planetary Sciences ETDs
A subsurface model was developed to characterize the influence of heterogeneity on solute phase plume migration of the Jet Fuel spill of Kirtland Air Force Base. Core –logs from KAFB boreholes were compiled, and lithology was interpolated across the study area using transition probability geostatistics (T-PROGS). High conductivity materials in the travel path resulted in a faster than average breakthrough time while, if low conductivity materials were placed in the travel path, particles were either forced to divert around the low K material, which added time and changed the direction of travel, or were forced by the hydraulic gradient to …
Extent Of Capillary Rise In Sands And Silts, Rachel Lynn Salim
Extent Of Capillary Rise In Sands And Silts, Rachel Lynn Salim
Masters Theses
The values reported in literature for the height of capillary rise in fine sands, silts, and clays are contradictory. Most of the values were based on mathematical models, which used estimated rather than measured input data. This work measured capillary rise values in laboratory experiments in fine-grained sands and silts.
Two uniform sands with grains 0.35--0.7 mm in diameter and 0.3-0.6 mm in diameter, silt with an average grain size below 40 microns, and 0.35--0.7 mm sand coated with a water-repellant spray were carefully packed into two-inch diameter glass columns. These columns were placed into clear plastic tanks with water …
Viability Of The Use Of Electromagnetic Induction To Predict Streambed Properties, Alexandra R. Hruby
Viability Of The Use Of Electromagnetic Induction To Predict Streambed Properties, Alexandra R. Hruby
UCARE: Research Products
This study examined whether electromagnetic induction is a reliable tool to predict various streambed properties, including water conductivity, water temperature, and hydraulic conductivity. The test site was along the North Loup River, outside of St. Paul, Nebraska. Electromagnetic induction was performed using a field portable, multi-frequency EMI tool. Hydraulic conductivity was measured using the falling-head permeameter test, and water temperature and conductivity were measured using handheld meters. The study found that there is a strong positive correlation between water conductivity and apparent electrical conductivity measured by electromagnetic induction. This relationship can be explored further through the analysis of spatial patterns …
Fluid Uptake Of The Goddard Shale In Southeastern Oklahoma, Usa, Paul Huggins
Fluid Uptake Of The Goddard Shale In Southeastern Oklahoma, Usa, Paul Huggins
Earth & Environmental Sciences Theses - Archive
The South Central Oklahoma Oil Province is the current play for the Goddard shale and is also the main field for the underlying Woodford Formation. As of September 2015, an estimated 40 wells have been drilled to evaluate and produce the Goddard shale in the southeastern portion of the Anadarko Basin. With companies reporting initial production rates ranging from 1,000 boe/d to nearly 2,000 boe/d and 30 day reports averaging around 800 boe/d, the amount of recovery from this tight shale reservoir has exceptional potential. Continental Resources Inc. estimates a gross recovery of 940,000 boe per lateral well. Understanding the …
Laboratory Manual For Introductory Geology, Bradley Deline, Randa Harris, Karen Tefend
Laboratory Manual For Introductory Geology, Bradley Deline, Randa Harris, Karen Tefend
Geological Sciences and Geography Open Textbooks
This textbook is a comprehensive lab manual for the core curriculum Introductory Geosciences classes with both informational content and laboratory exercises. Topics include basic laws and theories in Geology, the Earth's interior and plate tectonics, water and climate change, igneous rocks and volcanoes, and earthquakes.
Accessible files with optical character recognition (OCR) and auto-tagging provided by the Center for Inclusive Design and Innovation.
Long-Term Protection Of Freshwater Resources Following Co2 Storage, University Of North Dakota. Energy And Environmental Research Center
Long-Term Protection Of Freshwater Resources Following Co2 Storage, University Of North Dakota. Energy And Environmental Research Center
EERC Brochures and Fact Sheets
Fact sheet about mechanisms used to protect freshwater resources following CO2 injection. Outlines U.S. Department of Energy’s research on water safety. [This item is an outdated or superseded version and retained for historical purposes only. It may no longer reflect current information, policies, or practices.]
Water In The 21st Century, Grayson Michael Shor
Water In The 21st Century, Grayson Michael Shor
Social Sciences
The aim of this research project is to provide a comprehensive and global analysis of water use in order to provide the reader with a comprehensive grasp of current and impending issues. The included five (5) chapters discuss water distribution, conservation, purification, law, international development, economic debates, ethical consideration, as well as educated estimations of the effects water related issues may cause in the next one-hundred years.
Water Water Everywhere: Analyzing Long Island's Water Issues And Finding Solutions For A Sustainable Future, Anthony T. Becker
Water Water Everywhere: Analyzing Long Island's Water Issues And Finding Solutions For A Sustainable Future, Anthony T. Becker
2014 Student Theses
Over three million people call Long Island their home. With access to beautiful landscapes, world-renowned beaches, and proximity to New York City, it is no wonder that so many proudly call this geographic stretch of glacial till their home. However, throughout the years our actions do not necessarily reflect this affection we have to our home. Years of sprawl and human infestation across the island have resulted in widespread environmental degradation. Specifically, the water we drink and the beaches we enjoy have become endangered. I plan on studying the urban ecology of how intensified population growth led to the eutrophication …
Monitoring, Verification, And Accounting Plans Of Water Resources During The Geologic Storage Of Carbon Dioxide, University Of North Dakota. Energy And Environmental Research Center
Monitoring, Verification, And Accounting Plans Of Water Resources During The Geologic Storage Of Carbon Dioxide, University Of North Dakota. Energy And Environmental Research Center
EERC Brochures and Fact Sheets
Fact sheet examines the CO2 monitoring, verification, and accounting (MVA) framework. Highlights measures taken to protect water resources. Developed by the U.S. Department of Energy’s Water Working Group. [This item is an outdated or superseded version and retained for historical purposes only. It may no longer reflect current information, policies, or practices.]
Regional Carbon Sequestration Partnership Water Working Group, University Of North Dakota. Energy And Environmental Research Center
Regional Carbon Sequestration Partnership Water Working Group, University Of North Dakota. Energy And Environmental Research Center
EERC Brochures and Fact Sheets
Fact sheet about the U.S. Department of Energy Regional Carbon Sequestration Partnership’s Water Working Group. Includes information on the role of water in carbon capture and storage (CCS), and addressing stakeholder concerns regarding technological development. [This item is an outdated or superseded version and retained for historical purposes only. It may no longer reflect current information, policies, or practices.]
Calculating Groundwater Recharge: The Navajo Sandstone Of Southern Utah, Matthew Olson, Dr. Greg Carling
Calculating Groundwater Recharge: The Navajo Sandstone Of Southern Utah, Matthew Olson, Dr. Greg Carling
Journal of Undergraduate Research
Southern Utah is world renowned for its beautiful canyons and red rock features. The Navajo Sandstone, an Early Jurassic formation created by 2000 feet of petrified sand dunes, is one of the primary features of this unique landscape. Groundwater in the Navajo Sandstone is important for sustaining life in arid southern Utah communities and ensuring recreational usability for state and national parks. Springs that discharge from the Navajo Sandstone aquifer in Zion National Park are a primary source of water to the Virgin River, which provides water for a number of towns in arid southern Utah (Christensen et al., 2005). …
Determining The Dynamics Of Agricultural Water Use: Cases From Asia And Africa, Lisa-Maria Rebelo, Robyn Johnston, Poolad Karimi, Peter G. Mccornick
Determining The Dynamics Of Agricultural Water Use: Cases From Asia And Africa, Lisa-Maria Rebelo, Robyn Johnston, Poolad Karimi, Peter G. Mccornick
Daugherty Water for Food Global Institute: Faculty Publications
Across Africa and Asia, water resources are being affected by a complex mixture of social, economic, and environmental factors. These include climate change and population growth, food prices, oil prices, financial disruptions, and political fluctuations. The need to produce more food will have one of the largest impacts on water and will continue to reshape the patterns of agricultural water use in major food-growing regions. With this increasing demand on water for agriculture, from large-scale irrigation to intensification of rainfed systems, it is becoming increasingly important to ensure that water resources decision-making has access to information that captures the spectrum …
Nature Of Calcium Carbonate Precipitate And Chemical Composition Of Water At Blue Lake Warm Spring, Utah, Benjamin R. Jordan, Dr. Eric H. Christiansen
Nature Of Calcium Carbonate Precipitate And Chemical Composition Of Water At Blue Lake Warm Spring, Utah, Benjamin R. Jordan, Dr. Eric H. Christiansen
Journal of Undergraduate Research
Blue Lake is located in a remote area of Western Utah, about 25 km south of Wendover, Utah. The lake has a year-round temperature of 23 degrees Celsius. This is due to the lake being fed by warm springs located at a depth of 15 m within the lake. The bottom of the lake is covered with a fine carbonate mud. The multiple inflows, however, are filled with fine sand, predominately quartz, much of which is kept in constant motion by the inflowing groundwater. Contained within this sand, and located directly within the inflows, sometimes actually suspended in them, are …
Carbon Capture And Storage: Protecting Freshwater Resources, University Of North Dakota. Energy And Environmental Research Center
Carbon Capture And Storage: Protecting Freshwater Resources, University Of North Dakota. Energy And Environmental Research Center
EERC Brochures and Fact Sheets
Fact sheet on the importance of protecting water resources during carbon capture and storage (CCS). Outlines suggested regulatory framework and on U.S. Department of Energy measures to avoid unforeseen risks in the future. [This item is an outdated or superseded version and retained for historical purposes only. It may no longer reflect current information, policies, or practices.]
Groundwater-Level Changes In Nebraska - Spring 2012 To Spring 2013, A. Young, M. E. Burbach, L. M. Howard
Groundwater-Level Changes In Nebraska - Spring 2012 To Spring 2013, A. Young, M. E. Burbach, L. M. Howard
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Sustainable Water Management On Brownfields Sites, Ryan Fenwick, New England Environmental Finance Center
Sustainable Water Management On Brownfields Sites, Ryan Fenwick, New England Environmental Finance Center
Sustainable Communities Capacity Building
This practice guide was developed by the Environmental Finance Center Network (EFCN) through the Capacity Building for Sustainable Communities program funded by the US Department of Housing and Urban Development and the US Environmental Protection Agency. Through a cooperative agreement with HUD, EFCN is providing capacity building and technical assistance to recipients of grants from the federal Partnership for Sustainable Communities, an interagency collaboration that aims to help towns, cities, and regions develop in more economically, environmentally, and socially sustainable ways.
Drinking Water Resource Directory, New England Environmental Finance Center
Drinking Water Resource Directory, New England Environmental Finance Center
Sustainable Communities Capacity Building
This document is intended to help local and regional planning agencies, and their constituent water utilities, integrate drinking water infrastructure planning and investments into plans for sustainable development. Resources listed here provide guidance on making land use decisions that protect water resources, setting adequate and sustainable drinking water rates, controlling water loss, funding water infrastructure projects, and managing water utilities.
The directory was developed by the Environmental Finance Center Network through the Capacity Building for Sustainable Communities program funded by the U.S. Department of Housing and Urban Development and the Environmental Protection Agency. Through this program, EFCN is providing capacity …
A Study Of Enhanced De-Chlorination And Bio-Remediation: Molasses Injections Into Groundwater, Brent Anderson
A Study Of Enhanced De-Chlorination And Bio-Remediation: Molasses Injections Into Groundwater, Brent Anderson
Natural Resources Management and Environmental Sciences
No abstract provided.
Comparative Microbial Sampling From Eutrophic Caves In Slovenia And Slovakia Using Rida ®Count Test Kits, Janez Mulec, Václav Krištůfek, Alica Chroňáková
Comparative Microbial Sampling From Eutrophic Caves In Slovenia And Slovakia Using Rida ®Count Test Kits, Janez Mulec, Václav Krištůfek, Alica Chroňáková
International Journal of Speleology
RIDA®COUNT test plates were used as an easy-to-handle and rapid indicator of microbial counts in karst ecosystems of several caves in Slovakia and Slovenia. All of the caves had a high organic input from water streams, tourists, roosting bat colonies or terrestrial surroundings. We sampled swabs, water and air samples to test robustness and universality of the RIDA®COUNT test kit (R-Biopharm AG, Germany, http://www.r-biopharm.com/) for quantification of total bacteria, coliforms, yeast and mold. Using data from swabs (colony-forming units per cm2) we proposed a scale for description of biocontamination level or superficial microbial load of cave niches. Based …
Slides: Adapting To Climate Change: Lessons Learnt From The Australian Water Experience, Will Fargher
Slides: Adapting To Climate Change: Lessons Learnt From The Australian Water Experience, Will Fargher
Conversation with Water Management Reps from Colorado and Australia: "Adapting to Climate Change: Lessons Learned from Australia" (February 14)
Presenter: Will Fargher, National Water Commission, Australian Government
18 slides [4 have titles only and are missing images]
Ordway Weather And Water Data 2011, Macalester College
Ordway Weather And Water Data 2011, Macalester College
Ordway Weather Data
Contains daily readings for the year indicated. The values include: PAR umol/s/m2, avg wind dir degree, avg windspeed mph, Avg Max Windspeed mph, Avg airtemp C, Avg RH %, Avg BP mmHg, Avg DailyRain in, Avg Rain Duration sec, Avg RainIntensity in/h, Avg Water Temp F, Avg sp cond mS/cm, avg pH, Avg Turb NTU+, Avg ODOSat %, Avg ODO mg/L, Water station PAR umol/s/m2, Avg Water Level m. File format: CSV.
Annual Outflow And Annual Inflow Of Water From/To Nebraska, 1950- 2010, Susan Olafsen-Lackey
Annual Outflow And Annual Inflow Of Water From/To Nebraska, 1950- 2010, Susan Olafsen-Lackey
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Annual Outflow Of Water From Nebraska, 1950 - 2010, S. Olafsen-Lackey
Annual Outflow Of Water From Nebraska, 1950 - 2010, S. Olafsen-Lackey
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Comparison Of Ice Core Dissolved Organic Matter From A Greenland Ice Core By Nanospray Fourier Transform Ion Cyclotron Resonance Mass Spectrometry, Joshua Jeremiah Shiloh Marsh
Comparison Of Ice Core Dissolved Organic Matter From A Greenland Ice Core By Nanospray Fourier Transform Ion Cyclotron Resonance Mass Spectrometry, Joshua Jeremiah Shiloh Marsh
Chemistry & Biochemistry Theses & Dissertations
Recent studies of ice cores have embarked on the task of determining the classes of dissolved organic matter (DOM) present in melt-water from the cores collected in numerous locations in the northern and southern hemispheres. This DOM originally derives from wet precipitation and is thought to reflect atmospheric organic matter derived from anthropogenic and non-anthropogenic sources. Because the amount of DOM is so low, previous studies have necessarily used large sample volumes (greater than 500 mL) to concentrate sufficient ice core DOM necessary for mass spectral analysis. Solid phase extraction (SPE) with C18 resins was followed by evaporative concentration …
Colorado River Water: Mexico's Perspective On The Ongoing Negotiations, Mario López Pérez
Colorado River Water: Mexico's Perspective On The Ongoing Negotiations, Mario López Pérez
US-Mexico Negotiations on Improved Colorado River Management: An Update (February 19)
Presenter: Mario López, Engineering and Technical Standards Manager, National Water Commission of México
53 slides
Ordway Weather And Water Data 2010, Macalester College
Ordway Weather And Water Data 2010, Macalester College
Ordway Weather Data
Contains daily readings for the year indicated. The values include: PAR umol/s/m2, avg wind dir degree, avg windspeed mph, Avg Max Windspeed mph, Avg airtemp C, Avg RH %, Avg BP mmHg, Avg DailyRain in, Avg Rain Duration sec, Avg RainIntensity in/h, Avg Water Temp F, Avg sp cond mS/cm, avg pH, Avg Turb NTU+, Avg ODOSat %, Avg ODO mg/L, Water station PAR umol/s/m2, Avg Water Level m. File format: CSV.
Breathing Like A Fish, Petros J. Katsioloudis
Breathing Like A Fish, Petros J. Katsioloudis
STEMPS Faculty Publications
The article offers information on industrial oxygen rebreathers, an underwater breathing equipment used by divers. It states that rebreather is an electromechanical device that supply breathing gas through infusion of oxygen and reprocessing of carbon dioxide by using a chemical scrubber. It mentions that most rebreathers comprise of breathing loop, breathing lungs, and a canister where the scrubber is placed with the partial pressure (pO2) sensors and interface devices like heads-up display (HUD) to show pO2 levels. It also discusses types of rebreathers such as the oxygen rebreather, the oldest rebreather mainly used by navy diver, and …