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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.
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The U.S. Army Fort Irwin National Training Center (NTC), approximately 35 mi north-northeast of Barstow, California, covers approximately 1,177 square miles, and is comprised of ten groundwater basins, three of which have been subdivided into subbasins on the basis of additional hydrologic testing. Since the early 1990s, the U.S. Geological Survey (USGS) has been studying water resources issues at Fort Irwin. One issue of concern is the potential effect of groundwater development resulting from planned training expansion and infrastructure at the NTC on natural springs and seeps, an important water source for wildlife. In 2010, the USGS entered into cooperative agreements with the U.S. Army to complete studies of...
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The U.S. Army Fort Irwin National Training Center (NTC), approximately 35 mi north-northeast of Barstow, California, covers approximately 1,177 square miles, and is comprised of ten groundwater basins, three of which have been subdivided into subbasins on the basis of additional hydrologic testing. Since the early 1990s, the U.S. Geological Survey (USGS) has been studying water resources issues at Fort Irwin. One issue of concern is the potential effect of groundwater development resulting from planned training expansion and infrastructure at the NTC on natural springs and seeps, an important water source for wildlife. In 2010, the USGS entered into cooperative agreements with the U.S. Army to complete studies of...
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The U.S. Army Fort Irwin National Training Center (NTC), approximately 35 mi north-northeast of Barstow, California, covers approximately 1,177 square miles, and is comprised of ten groundwater basins, three of which have been subdivided into subbasins on the basis of additional hydrologic testing. Since the early 1990s, the U.S. Geological Survey (USGS) has been studying water resources issues at Fort Irwin. One issue of concern is the potential effect of groundwater development resulting from planned training expansion and infrastructure at the NTC on natural springs and seeps, an important water source for wildlife. In 2010, the USGS entered into cooperative agreements with the U.S. Army to complete studies of...


    map background search result map search result map Electrical Resistivity Tomography Data at Fort Irwin National Training Center, San Bernardino County, California, 2015 and 2017 Electrical Resistivity Tomography Data Electrical Resistivity Tomography Inverted Models Temperature and Discharge Data of Selected Springs at Fort Irwin National Training Center, San Bernardino County, California Electrical Resistivity Tomography Data at Fort Irwin National Training Center, San Bernardino County, California, 2015 and 2017 Electrical Resistivity Tomography Data Electrical Resistivity Tomography Inverted Models Temperature and Discharge Data of Selected Springs at Fort Irwin National Training Center, San Bernardino County, California