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Resource managers and users seek information that can be used to balance the needs of competing uses of groundwater and streamflow in the Heeia watershed, Oahu. A previously constructed steady-state numerical groundwater-flow model for the island of Oahu, Hawaii (https://doi.org/10.3133/sir20205126) using MODFLOW-2005 with the Seawater Intrusion (SWI2) package was used to examine the effects of withdrawals in the watershed. Four simulations representing a baseline and various withdrawal conditions were run using the previously published numerical model. The baseline simulation represents conditions in 2001-10 which were used to calibrate the Oahu model and to which all other scenarios are compared. The three scenarios...
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Groundwater Model,
Hawaiian Islands,
Hydrology,
MODFLOW-2005,
Oahu,
This USGS data release presents data used to interpret aquifer tests and ultimately characterize the hydraulic properties of carbonate-rock and basin-fill aquifers near Long Canyon, Goshute Valley, northeastern Nevada. The supplemental data consist of 2 child items and 3 attached appendix datasets. The child items are: (1) 2011–2016 Single Well Aquifer Tests: Pumping Schedules, Water-Level Data in Aquifer Test Wells, and Analysis Results from Tests Conducted near Long Canyon, Goshute Valley, Northeastern Nevada, (tabular datasets, pdfs, and Excel workbooks), and (2) 2016 Carbonate-Rock Aquifer Test Data: Pumping Schedules, Water-Levels, Weather Data, Water-Level Models, and Hydrographs showing Drawdown and Rise...
A proof-of-concept MODFLOW 6 groundwater model was developed to represent the bedrock, delta, and alluvially-deposited aquifers underlying the Mekong River Basin approximately between Phnom Penh, Cambodia and Cao Lanh, Vietnam. The model was constructed using square grid cells measuring 2,200 meters on each side. The proof-of-concept groundwater model was used to simulate environmental baseline conditions, representative of a 20-year period with stresses from November 1990 through October 2010. Additionally, a 20-year period of drier conditions with sea-level rise was also simulated that approximates the Mekong River Commission C3 climate scenario (drier climate with sea level rise; Mekong River Commission, 2019)....
This USGS data release represents the data from the following publication: Prudic, D.E., and Herman, M.E., 1996, Ground-water flow and simulated effects of development in Paradise Valley, a basin tributary to the Humboldt River in Humboldt County, Nevada: U.S. Geological Survey Professional Paper 1409-F, https://doi.org/10.3133/pp1409F.
This data release supports U.S. Geological Survey (USGS) Scientific Investigations Report 2023-5106, Groundwater Discharge by Evapotranspiration from the Amargosa Wild and Scenic River and Contributing Areas, Inyo and San Bernardino Counties, California. It consists of two comma-separated values (CSV) files containing data collected at two USGS atmospheric monitoring locations (USGS site identification numbers 355846116160401 and 355918116161801) beginning in January 2018 and lasting for approximately 1 year. The data include 30-minute values for cumulative normalized flux for 6 circular areas around each site and 30-minute values for unadjusted total evapotranspiration. The radii of the circular areas are 25, 50,...
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Amargosa River,
California,
California Valley,
Chicago Valley,
Climatology,
The characteristics, discharge, and water quality of springs and seeps, at the Fort Irwin National Training Center (NTC) were evaluated during 2015 and 2016. Geophysical, hydrological, and water-quality data were used to help characterize and document a baseline of current (2016) hydrologic conditions and water quality of springs and seeps located on the NTC. Hydrologic methods used in this study included discrete discharge measurements to evaluate surface flow from the springs, and temperature measurements to trace groundwater movement beneath the springs. This data release contains discharge measurements and temperature data at four springs: Garlic, Bitter, Jack Spring East, and Jack Spring West.
This USGS data release represents data from the following publication: Plume, R.W., and Ponce, S.A., 1999, Hydrogeologic framework and ground-water levels, 1982 and 1996, middle Humboldt River basin, north-central Nevada: U.S. Geological Survey Water-Resources Investigations Report 98-4209, 2 plates, https://doi.org/10.3133/wri984209.
This data release contains depth-to-groundwater, water withdrawal, and analyses associated with multiple aquifer tests conducted between March 2017 and April 2018 in Lovelock, NV. Seven slug tests, one single-well pumping test, and two multi-well pumping tests were conducted to evaluate properties of the Lahontan clays and silts, fluvial deposits, and coarser, water-bearing deposits of the Younger Alluvium. Data and analyses are presented in folders named according to type of test and aquifer analyzed, as described in the larger work.
This data release supports U.S. Geological Survey Scientific Investigations Report 2023-5106, Groundwater Discharge by Evapotranspiration from the Amargosa Wild and Scenic River and Contributing Areas, Inyo and San Bernardino Counties, California. Geospatial datasets presented are two polygon shapefiles representing the groundwater discharge areas and evapotranspiration units for the Amargosa Wild and Scenic River and contributing areas, and a raster dataset representing the vegetation index corresponding to the vegetated evapotranspiration unit.
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