Filters: Tags: rocks and deposits (X) > partyWithName: David O'Leary (X)

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Hydrogeologic data from the San Antonio Creek Valley watershed, Santa Barbara County, California, 2015-2019 The San Antonio Creek Valley watershed (SACVW) is located in western Santa Barbara County about 15 miles (mi) south of Santa Maria, California and 55 mi north of Santa Barbara, California. The SACVW, is about 140 square miles and encompasses the San Antonio Creek Valley groundwater basin; From the late 1800s, groundwater has been the primary source of water for agricultural, military, municipal, and domestic uses. Groundwater withdrawal from pumping has exceeded the amount of water replenishing the basin, causing groundwater declines of more than 150 feet in parts of the valley between 1943 and 2017, and reducing base flow in San Antonio Creek at the western end of the SACVW. Agricultural water use (primarily for... Categories: Data; Tags: Central California Coastal, bedrock geologic units, borehole logging, groundwater level, percolation, All tags... rocks and deposits, streams, Fewer tags Three-dimensional hydrogeologic framework model of the San Antonio Creek Valley watershed, Santa Barbara County, California, 2021 The U.S. Geological Survey (USGS) entered into cooperative agreements with the Santa Barbara County Water Agency and Vandenberg Space Force Base to conduct a hydrologic resource assessment and develop an integrated numerical hydrologic model of the San Antonio Creek Valley watershed (SACVW). As part of this study, the USGS developed a digital three-dimensional hydrogeologic framework model (HFM). This dataset contains a geospatial database related to the digital HFM, individual geographic information system (GIS) shapefiles from the geodatabase, and borehole data used to support development of the HFM in a Microsoft Excel workbook (*.xlsx extension). The geospatial database contains the following data elements:... Categories: Data; Tags: Central California Coastal, bedrock geologic units, borehole logging, geoscientificInformation, health, All tags... rocks and deposits, utilitiesCommunication, Fewer tags Data Release of hydrogeologic data from the San Antonio Creek Valley watershed, Santa Barbara County, California, 2015-2019 The San Antonio Creek Valley watershed (SACVW) is located in western Santa Barbara County about 15 miles (mi) south of Santa Maria, California and 55 mi north of Santa Barbara, California. The SACVW, is about 140 square miles and encompasses the San Antonio Creek Valley groundwater basin. Since the late 1800s, groundwater has been the primary source of water for agricultural, military, municipal, and domestic uses. Groundwater withdrawal from pumping has exceeded the amount of water replenishing the basin, causing groundwater declines of more than 150 feet in parts of the valley between 1947 and 2018, and reducing base flow in San Antonio Creek at the western end of the SACVW. Agricultural water use (primarily for... Categories: Data; Tags: Central California Coastal, Hydrology, Stratigraphy, USGS Science Data Catalog (SDC), Water Resources, All tags... bedrock geologic units, borehole logging, groundwater level, percolation, rocks and deposits, streams, Fewer tags