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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).
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
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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