Catalog - Data.gov

Found 21 datasets matching "Lower San Antonio".

Federal
MODFLOW-NWT model for risk-based decision-support groundwater modeling for the lower San Antonio River Basin, Texas, USA
- Organization: Department of the Interior
- Updated: 2021-05-17T00:00:00Z
A MODFLOW-NWT groundwater/surface-water model was developed to evaluate the responses of low-flow conditions and groundwater levels within the lower San Antonio River Basin, Texas, USA under...
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Search relevance: 184.62 | Views last month: 0
Federal
MODFLOW-NWT model used to demonstrate extending the capture map concept to estimate discrete and risk-based streamflow depletion potential
- Organization: Department of the Interior
- Updated: 2021-06-22T00:00:00Z
A previously developed groundwater flow model (https://doi.org/10.5066/P9051RUT) was slightly modified to estimate the risk-based discrete relation between groundwater extraction and...
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Search relevance: 93.19 | Views last month: 0
Federal
Land-Cover, Surface-water, and Streambed-sediment data Collected Upstream from and Within an Area of Oil and Natural-Gas Production, South Texas, 2008-17
- Organization: Department of the Interior
- Updated: 2020-08-27T00:00:00Z
The extensive development of oil and natural-gas resources in south Texas during the past 10 years has led to questions regarding possible environmental effects of processes associated with oil...
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Search relevance: 90.02 | Views last month: 0
Federal
NOAA Office for Coastal Management coastal bend Texas Benthic Habitat Mapping, 2006-2007 (NCEI Accession 0070784)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2012-07-13T00:00:00.000+00:00
In 2006 and 2007 the NOAA Office for Coastal Management (formerly the Coastal Services Center) purchased services to process existing digital multi-spectral imagery (ADS-40) and create digital...
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Search relevance: 60.81 | Views last month: 0
Federal
Seagrass canopy height, water depth, chlorophyll-a concentration and other plant and water quality indicators in Coastal Waters of Texas (NCEI Accession 0181898)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-03-19T00:00:00.000+00:00
This dataset contains raw tier 2 sampling data starting from 2011 for Texas coastal waters related to seagrasses. Parameters measured include chlorophyll a concentration, water depth, dissolved...
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Search relevance: 54.32 | Views last month: 0
Federal
Evapotranspiration Measured at two Rangeland sites in Victoria County, South-Central Texas, 2015-2018
- Organization: Department of the Interior
- Updated: 2020-08-27T00:00:00Z
The U.S. Geological Survey and Desert Research Institute, in cooperation with the Natural Resources Conservation Service, Texas State Soil and Water Conservation Board, Victoria County Groundwater...
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Search relevance: 45.01 | Views last month: 0
Federal
Data Release for Bedrock Geology and Hydrostratigraphy of the Edwards and Trinity Aquifers within the Driftwood and Wimberley 7.5-Minute Quadrangles, Hays and Comal Counties, Texas at 1:24,000 scale
- Organization: Department of the Interior
- Updated: 2020-08-20T00:00:00Z
The Edwards and Trinity aquifers are major sources of water in south-central Texas and are both classified as major aquifers by the State of Texas. The population in Hays and Comal Counties is...
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Search relevance: 32.60 | Views last month: 0
Federal
Geospatial Dataset for the Geologic Framework and Hydrostratigraphy of the Edwards and Trinity Aquifers within Northern Bexar and Comal Counties, Texas, at 1:24,000 scale
- Organization: Department of the Interior
- Updated: 2023-11-03T00:00:00Z
The Edwards and Trinity aquifers are major sources of water for agriculture, industry, and urban and rural communities in south-central Texas. Both the Edwards and Trinity aquifers are classified...
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Search relevance: 29.65 | Views last month: 0
Federal
National Status and Trends, Benthic Surveillance Project DNA-Xenobiotic Adducts Data, 1991, National Centers for Coastal Ocean Science
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1992-01-01T00:00:00.000+00:00
In order to determine the current status of and to detect any long-term trends in the environmental quality of U.S. nearshore waters, NOAA initiated the National Status and Trends program in 1984...
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Search relevance: 26.68 | Views last month: 0
Federal
National Status and Trends, Benthic Surveillance Project Sites, 1984-1992, National Centers for Coastal Ocean Science
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1992-01-01T00:00:00.000+00:00
This data set reports information regarding the nominal sampling locations for the National Status and Trends Benthic Surveillance Project sites. One record is presented per site. Each record...
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Search relevance: 22.85 | Views last month: 0
Federal
National Status and Trends, Benthic Surveillance Project Chemistry Data, 1984-1992, National Centers for Coastal Ocean Science
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1992-01-01T00:00:00.000+00:00
The National Status and Trends (NS&T) Benthic Surveillance Project Chemistry data file reports the trace concentrations of a suite of chemical contaminants in marine sediment and benthic fish...
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Search relevance: 22.83 | Views last month: 0
Federal
National Status and Trends, Benthic Surveillance Project Aryl Hydrocarbon Hydrolase (AHH) Data, 1988-1992, National Centers for Coastal Ocean Science
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1992-01-01T00:00:00.000+00:00
In order to determine the current status of and detect any long-term trends in the environmental quality of U.S. nearshore waters, NOAA initiated the National Status and Trends program in 1984...
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Search relevance: 21.46 | Views last month: 0
Federal
National Status and Trends, Benthic Surveillance Project Pathology, 1984-1992, National Centers for Coastal Ocean Science
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1992-01-01T00:00:00.000+00:00
In order to determine the current status of and to detect any long-term trends in the environmental quality of U.S. nearshore waters, NOAA initiated the National Status and Trends program in 1984...
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Search relevance: 17.58 | Views last month: 0
Federal
Fisheries-Independent Biological and Environmental Trawl Data from the Alabama Department of Conservation and Natural Resources (1981-2007) as Part of the Comparative Assessment of Gulf Estuarine Systems (CAGES) Database (NODC Accession 0115183)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-11-13T00:00:00.000+00:00
The CAGES program (Comparative Assessment of Gulf Estuarine Systems) is designed to examine the differences between estuarine ecosystems and investigate why some are more productive than others....
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Search relevance: 15.26 | Views last month: 0
Federal
Fisheries-Independent Biological and Environmental Trawl Data from the Texas Parks and Wildlife Department (1982-2005) as Part of the Comparative Assessment of Gulf Estuarine Systems (CAGES) Database (NODC Accession 0115183)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-11-13T00:00:00.000+00:00
The CAGES program (Comparative Assessment of Gulf Estuarine Systems) is designed to examine the differences between estuarine ecosystems and investigate why some are more productive than others....
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Search relevance: 13.68 | Views last month: 0
Federal
Texas_Oysters_2011
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2011-01-01T00:00:00.000+00:00
1985 Gulf of Mexico Atlas abstract American oyster Crassostrea virginica Ostión americano Description Range: The American oyster, a bivalve mollusc of the family Ostreidae, is found in the western...
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Search relevance: 13.64 | Views last month: 1
Federal
National Status and Trends, Benthic Surveillance Project Fluorescent Aromatic Compounds (FAC) Data, 1984-1991, National Centers for Coastal Ocean Science
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1991-01-01T00:00:00.000+00:00
The National Status and Trends (NSandT) Benthic Surveillance Fluorescent Aromatic Compounds (FAC) file reports the trace concentrations of Fluorescent Aromatic Compounds. The presence of FACs in...
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Search relevance: 12.73 | Views last month: 0
Federal
GOM_Oysters_DigitalAtlas2011
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2011-01-01T00:00:00.000+00:00
American oyster Crassostrea virginica Description Range: The American oyster, a bivalve mollusc of the family Ostreidae, is found in the western Atlantic from the Gulf of St....
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Search relevance: 12.34 | Views last month: 0
Federal
Nekton from Fishery-Independent Trawl Samples in U.S. Gulf of Mexico Estuaries: A Comparative Assessment of Gulf Estuarine Systems (CAGES), 1973-2007 (NCEI Accession 0115183)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2014-03-19T00:00:00.000+00:00
The purpose of CAGES (Comparative Assessment of Gulf Estuarine Systems) is to compile the fishery independent data from five Gulf States into a database to more easily compare the fisheries across...
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Search relevance: 6.84 | Views last month: 0
Federal
Administrative Boundaries Centroids of National Park System Units
- Organization: Department of the Interior
- Updated: 2026-02-05T00:00:00Z
National Park Service unit points.
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Search relevance: 3.35 | Views last month: 27

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