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The transboundary Mesilla Basin/Conejos-Médanos aquifer system was identified as one of the priority transboundary aquifer systems for additional study by the United States and Mexico U.S.-Mexico Transboundary Aquifer Assessment Act of 2006 (United States-Mexico Transboundary Aquifer Act, Public Law 109-448). As one of the largest rechargeable groundwater systems by total available volume in the Rio Grande/Rio Bravo del Norte Basin region of the United States and Mexico, the Mesilla Basin/Conejos-Médanos aquifer system supplies water for irrigation as well as municipal use in El Paso, Texas; Las Cruces, New Mexico; and Ciudad Juárez, Chihuahua, Mexico (Alley, 2013). The U.S. Geological Survey in cooperation with...
The Transboundary Aquifer Assessment Act was established to systematically assess priority aquifers along the U.S.-Mexico international boundary. The priority aquifers that were specified include the Hueco-Mesilla Bolsons aquifer in Texas and New Mexico and its counterpart in Mexico, the Conejos-Medanos Aquifer system, and the Santa Cruz and San Pedro aquifers in Arizona (Texas Water Development Board, 2019). The Transboundary Aquifer Assessment Program (TAAP) was started in 2009 and is a collaborative effort between the U.S. Geological Survey, Arizona Water Resources Research Center, New Mexico Water Resources Research Institute, and the Texas Water Resources Institute (U.S. Geological Survey, 2018) to better understand...
Every five years since 1950, the U.S. Geological Survey (USGS) National Water Use Information Program (NWUIP) has compiled water use information in the United States and published a circular report titled "Estimated use of water in the United States", that includes estimates of water withdrawals by State, sources of water withdrawals (groundwater or surface water), and water use category (irrigation, public supply, industrial, thermoelectric, etc.). This report discusses the impact of important considerations when estimating irrigated acreage and irrigation withdrawals, including estimates of conveyance loss, irrigation system efficiencies, pasture, horticulture, golf courses, and double cropping.
While streamgages can provide accurate and timely measurements of streamflow, streamflow needs are too wide ranging and disparate to allow installation of streamgages at every location where information is required. This project seeks to develop estimates of streamflow at ungaged locations by making use of nearby gaged records and state of the art modeling techniques.
The study will: 1) improve the integration of state water-use and water supply data; 2) develop a basin-wide surface-water hydrologic model capable of evaluating the impacts of land-use change, climate change, and changes in water demand; and 3) develop a scientific approach to defining relations between streamflow processes and the responses of aquatic organisms in tributary streams.
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Delaware,
Ecological flows,
Estimated/predicted streamflow,
climate change,
land-use change,
This project applies ET remote sensing at two scales, 1) across the full landscape at 1000 m MODIS resolution (as a component of the water budget to support water availability studies, and 2) on agricultural lands at 100 m Landsat resolution (for estimating crop water use).
The Mississippi Alluvial Plain (MAP) has become one of the most important agricultural regions in the US, and it relies heavily on a groundwater system that is poorly understood and shows signs of substantial change. The heavy use of the available groundwater resources has resulted in substantial groundwater-level declines and reductions in baseflow in streams within the MAP. These impacts are limiting well production and threatening future water availability for the region. On average it is estimated that over 9 billion gallons per day of groundwater are withdrawn for irrigation, supporting agricultural production. Agricultural interests in the region are aware of the economic and environmental costs that may come...
A major component of the Water Census is the National Water Census Data Platform, which enables integration and delivery of water budget information alongside other data of interest to managers, such as water use data or ecological assessment criteria. Eventually, end users of water budget data (i.e. management agencies and decision-makers) will be able to access an integrated system of online databases in a form that will enable them to construct local and regional water budgets.
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Data Management / Web Development,
aquatic biology,
evapotranspiration,
precipitation,
runoff,
The Red River Basin of New Mexico, Oklahoma, Texas, Arkansas, and Louisiana was chosen as a focus area study (FAS) as part of the U.S. Geological Survey (USGS) National Water Census (NWC). The objective of the NWC is to place technical information and tools in the hands of stakeholders so that they can make decisions on water availability. With this set objective, the USGS Water Science Centers in New Mexico, Oklahoma, Texas, Arkansas, and Louisiana conducted a study of water use and availability for the Red River Basin to improve water withdrawal estimates and investigate trends in water resources under future climate conditions and increased water withdrawals using groundwater and surface-water models (MODFLOW...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: MODFLOW,
PRMS,
deterministic modeling,
ecological flows,
groundwater,
The Apalachicola-Chattahoochee-Flint (ACF) Basin in Alabama, Florida, and Georgia has ongoing conflict over water use and availability. To address this issue, the USGS is conducting a three-year study to estimate water use, model surface and groundwater flow, and develop ecological flow relations.
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: ACF,
agricultural water use estimation,
ecological flows,
groundwater model,
septic system returns,
This study sought to better quantify selected components of the water budget in the Colorado River Basin to assist in the assessment of water availability for the region.
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Colorado,
Colorado River Basin,
evapotranspiration,
groundwater,
snow pack,
In 2014, the Upper Rio Grande Basin (URGB) of Colorado, New Mexico, Texas, and northern Mexico was chosen as a focus area study (FAS) for the U.S. Geological Survey (USGS) National Water Census. The three main objectives of the USGS National Water Census are to (1) provide a nationally consistent set of indicators that reflect each status and trend relating to the availablity of water resources in the United States, (2) provide information and tools that allow users to better understand the flow requirements for ecological purposes, and (3) report on areas of significant competition over water resources and the factors that have led to the competition. The URGB FAS will help meet these objectives through an integrated,...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: evapotranspiration,
groundwater,
snow pack,
snow processes,
streamflow model,
This project has developed models based on heat budgets to estimate water use for electrical generation, and produced estimated thermoelectric withdrawal and consumption at the level of individual plants for 2010. Refinement of these methods is ongoing.
The Coastal Carolinas Focus Area Study (CC FAS) examines water availability and use to meet competing societal and ecological needs in Southeastern Atlantic Coastal Basins of the Carolinas. The study area is focused along the coastline of the Carolinas, extending from Georgetown, South Carolina to Wilmington, North Carolina, and includes lower parts of the Cape Fear River and Pee Dee River basins. Projected changes in population, land-use, and climate is expected to place significant stress on water resources in the Coastal Carolinas. To investigate impacts from these stressors, this study was divided into five distinct components: (1) Societal Water-Use Data Compilation and Refinement, (2) Land-use, Population,...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Coastal Carolinas
This project, part of the Water Mission Area's Water Availability and Use Science Program, seeks to estimate components of the water budget, including water use, for the Nation. The water budget project framework provides an infrastructure for comparison within models and between simulated and observed values to improve our understanding of the interaction of water budget components towards improved estimates of water availability.
The Drought science program was created in 2020 as part of the National Water Census subportfolio in the Water Resources Mission Area. The program provides improved capability to assess and predict multi-scale drought risk, including potential impacts to different components of water availability, including ecological flows most vulnerable to drought.
The U.S. Geological Survey's National Water-Use Program (formerly the National Water-Use Information Program) is responsible for compiling and disseminating the nation's water-use data. Established by USGS in 1978, the USGS National Water-Use Program builds on the legacy of the Estimated Use of Water in the United States report series, begun in 1950 and produced every 5 years. The National Water-Use Science Project is a part of the National Water Census (NWC), which supports research focused on improving methods of collection and estimation of water-use data. Water use is a key component of the water-budget approach of the NWC. Goals of the National Water-Use Program: Analyze the source, use, and disposition of...
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