Catalog - Data.gov

Found 1239 datasets matching "Sampling depth".

Federal
Water-Quality Datasets from Synoptic Surveys in Nolin Lake, Kentucky, using an Autonomous Underwater Vehicle, Discrete Sampling, and Depth Profiles, August 2016
- Organization: Department of the Interior
- Updated: 2024-01-18T00:00:00Z
The U.S. Geological Survey (USGS), in cooperation with the U.S. Army Corps of Engineers—Louisville District conducted a pilot study on the use of an autonomous underwater vehicle (AUV) for a...
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Search relevance: 79.07 | Views last month: 0
Federal
Data from: Depth Matters: Soil pH and Dilution Effects in the Northern Great Plains
- Organization: Department of Agriculture
- Updated: 2025-05-02
Near-surface soil acidification is becoming prevalent in dryland cropping systems throughout the northern Great Plains. To ensure management recommendations are optimized for crop production, soil...
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Search relevance: 52.28 | Views last month: 5
Federal
Water Monitoring Data - Geospatial Data - Bathymetry
- Organization: Department of the Interior
- Updated: 2014-01-01T00:00:00Z
General repository for spatial data and methods used to create bathymetric maps for the water bodies included in NETN's water quality monitoring protocol. Objective of these surveys was to...
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Search relevance: 49.97 | Views last month: 0
Federal
Limnology data from Lake Powell, desert southwest USA (ver. 2.1, September 2024)
- Organization: Department of the Interior
- Updated: 2024-10-02T00:00:00Z
These data were compiled as part of a long-term (1964 - 2022) water quality monitoring program at Lake Powell. Objectives of our study were to release a consistent record of long-term water...
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Search relevance: 42.71 | Views last month: 1
Federal
CTD (conductivity-temperature-depth) data collected on Stellwagen Bank on U.S. Geological Survey field activity 2015-062-FA, aboard the R/V Auk, Oct. 21 and 22 and Nov. 3 and 4 2015
- Organization: Department of the Interior
- Updated: 2024-03-18T00:00:00Z
This field activity is part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall goal is to develop...
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Search relevance: 40.05 | Views last month: 0
Federal
CTD (conductivity-temperature-depth) data collected on Stellwagen Bank during U.S. Geological Survey field activity 2017-043-FA, aboard the R/V Auk, Aug. 22 and 23, 2017
- Organization: Department of the Interior
- Updated: 2024-03-18T00:00:00Z
This field activity is part of an effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall goal is to develop...
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Search relevance: 39.78 | Views last month: 0
Federal
Oceanographic conductivity, temperature and depth (CTD) profile data device sampling location for joint cruise U.S. Geological Survey 03008 - National Oceanic and Atmospheric Administration RB0303 in the Puerto Rico Trench region in February and March, 2003 (ctd_2003.shp, point shapefile, geographic, WGS84)
- Organization: Department of the Interior
- Updated: 2021-11-16T00:00:00Z
In 2002 and 2003, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the National Oceanic and Atmospheric Administration (NOAA),...
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Search relevance: 35.82 | Views last month: 0
Federal
Refinement of the Southern Florida Reef Tract Benthic Habitat Map with habitat use patterns of reef fish species (NCEI Accession 0224176)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-01-01T00:00:00.000+00:00
This data set summarized biological and environmental sampling data from Reef Visual Census (RVC) surveys in southern Florida in conjunction with remote-sensed, high-resolution mapping data to...
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Search relevance: 35.68 | Views last month: 0
Federal
Southwest Everglades coastal soil pore water data Everglades National Park 1997-2012
- Organization: Department of the Interior
- Updated: 2021-11-15T00:00:00Z
Soil porewater (30cm and 60cm depth) was sampled for specific conductance, salinity and temperature in the southwest coastal Everglades, Everglades National Park from 1997-2012 at four sampling...
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Search relevance: 35.62 | Views last month: 0
Federal
Turbidity, cloud amount/frequency and other data from ALPHA HELIX in the Gulf of Alaska and Bering Sea from 1989-10-04 to 1990-06-26 (NCEI Accession 9100032)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-14T00:00:00.000+00:00
The Conductivity, Temperature and Depth (CTD) and Benthic data were collected from Gulf of Alaska and Bering Sea using NOAA Ship Alpha Helix. The data was collected over a period spanning from...
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Search relevance: 35.43 | Views last month: 0
Federal
Benthic Surveys in Vatia, American Samoa: benthic images collected during belt transect surveys from 2020-01-23 to 2020-01-29 (NCEI Accession 0259494)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-09-23T00:00:00.000+00:00
This data package includes the source imagery of a benthic cover analysis for surveys performed in 2020 by the NOAA Ecosystem Sciences Division (ESD) in Vatia, American Samoa. The imagery...
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Search relevance: 35.33 | Views last month: 0
Federal
Global Distribution of Root Profiles in Terrestrial Ecosystems
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
Rooting depths were estimated from a global database of root profiles that was assembled from the primary literature to study relationships of abiotic and biotic factors associated with...
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Search relevance: 35.28 | Views last month: 0
Federal
National Coral Reef Monitoring Program: Benthic Images Collected from Stratified Random Sites (StRS) across American Samoa since 2015
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-03-01T00:00:00.000+00:00
The data described here are benthic habitat imagery that result from benthic photo-quadrat surveys conducted along transects at stratified random sites across American Samoa since 2014 as a part...
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Search relevance: 35.01 | Views last month: 0
Federal
Potential groundwater sampling sites for installation of a well network for long-term monitoring of agricultural chemicals in the High Plains Aquifer, Colorado
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
These data are in support of report DS 456 (Arnold and others, 2009). This dataset includes 90 potential groundwater sampling sites randomly generated using techniques described in Scott...
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Search relevance: 34.81 | Views last month: 1
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: 34.73 | Views last month: 0
Federal
EK80 Water Column Sonar Data Collected During PC1903
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-06-20T00:00:00.000+00:00
NOAA Ship Pisces conducted applied fishery-independent sampling focusing on: 1. Assessment of spatial and temporal variability in distribution and abundance of various snapper-grouper fish...
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Search relevance: 34.66 | Views last month: 0
State
Quarterly Water Quality Surveys - Salton Sea [ds429]
- Organization: State of California
- Updated: 2020-03-07T03:58:18.708Z
In the spring of 2003, California Department of Fish and Game (CDFG) personnel began quarterly sampling of Salton Sea fish at fourteen stations around the sea, as the basis of a long term...
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Search relevance: 34.37 | Views last month: 0
Federal
Larval Fish Identification from Cruises at the Hancock Seamounts, TC-84-05 and TC-85-01
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1992-05-05T00:00:00.000+00:00
Ichthyoplankton sampling was conducted aboard the NOAA vessel Townsend Cromwell in 9-29 July 1984 and 4-10 February 1985. Collectors included George Boehlert, James Uchiyama, Robert Humphreys,...
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Search relevance: 34.22 | Views last month: 0
Federal
ABoVE: Post-Fire and Unburned Field Site Data, Anaktuvuk River Fire Area, 2008-2017
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
This dataset includes field measurements from 26 burned and unburned transects established in 2008 in the region of the Anaktuvuk River tundra fire on the Arctic Slope of Alaska, US. Measurements...
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Search relevance: 34.19 | Views last month: 0
Federal
National Coral Reef Monitoring Program: Benthic Images Collected from Stratified Random Sites (StRS) across the Pacific Remote Island Areas since 2014
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-03-01T00:00:00.000+00:00
The data described here are benthic habitat imagery that result from benthic photo-quadrat surveys conducted along transects at stratified random sites across the Pacific Remote Island Areas...
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Search relevance: 34.17 | Views last month: 0

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