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Found 2893 dataset(s) matching "datum".

Single-Beam Bathymetry Data Collected in 2015 nearshore Dauphin Island, Alabama, U.S. Geological Survey (USGS). These data are in the North American Datum 1983 (NAD83) for horizontal component, and the North American Vertical Datum 1988 (NAVD88) with respect to GEOID12A, and Mean Low or Lower Water (MLLW) for the vertical components.
- Organization: Department of the Interior
- Updated: 20201013 | Harvested: July 18, 2025 at 12:34 AM
Dauphin Island, Alabama is a barrier island located in the Gulf of Mexico that supports local residence, tourism, commercial infrastructure, and the historical Fort Gaines. During the past decade...
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- xml
2013 USACE NAE Topobathy Lidar: Maine Point Cloud files with Orthometric Vertical Datum North American Vertical Datum of 1988 (NAVD88) using GEOID12B
- Organization: Department of the Interior
- Updated: 20240401 | Harvested: July 18, 2025 at 09:08 AM
The Storm-Induced Coastal Change Hazards component of the National Assessment of Coastal Change Hazards project focuses on understanding the magnitude and variability of extreme storm impacts on...
- xml
- xml
2017 USGS Lidar: Chenier Plain, LA Point Cloud files with Orthometric Vertical Datum North American Vertical Datum of 1988 (NAVD88) using GEOID12B
- Organization: Department of the Interior
- Updated: 20240401 | Harvested: July 16, 2025 at 06:37 AM
The Storm-Induced Coastal Change Hazards component of the National Assessment of Coastal Change Hazards project focuses on understanding the magnitude and variability of extreme storm impacts on...
- xml
- xml
SF Bay Tidal Datums (2016)
- Organization: State of California
- Updated: 2022-02-01T19:23:58.456Z | Harvested: July 09, 2025 at 12:23 PM
<font color='#000000'><span style='background-color:rgb(255, 255, 255);'>This study is the first comprehensive publication of tidal datums and extreme tides for San Francisco Bay (Bay) since the...
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- +5 more
Tidal Datums, Tidal Range, and Nuisance Flooding Levels for Chesapeake Bay and Delaware Bay
- Organization: Department of the Interior
- Updated: 20240709 | Harvested: July 16, 2025 at 03:45 AM
This U.S. Geological Survey data release provides data on spatial variations in tidal datums, tidal range, and nuisance flooding in Chesapeake Bay and Delaware Bay. Tidal datums are standard...
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Long-term and short-term shoreline change rates for the southern coastal region of Cape Cod, Massachusetts calculated without the proxy-datum bias using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20240319 | Harvested: July 16, 2025 at 03:53 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
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- xml
Long-term and short-term shoreline change rates for the Buzzards Bay coastal region in Massachusetts calculated with and without the proxy-datum bias using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20200810 | Harvested: July 18, 2025 at 01:30 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
- xml
- xml
Baseline for the Cape Cod Bay coastal region in Massachusetts, generated to calculate shoreline change rates (with the proxy-datum bias) using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20200810 | Harvested: July 18, 2025 at 01:19 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
- xml
- xml
Long-term and short-term shoreline change rates for Martha's Vineyard, Massachusetts calculated with and without the proxy-datum bias using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20200810 | Harvested: July 18, 2025 at 01:26 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
- xml
- xml
Baseline for the Cape Cod Bay coastal region in Massachusetts, generated to calculate shoreline change rates (without the proxy-datum bias) using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20200810 | Harvested: July 18, 2025 at 01:24 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
- xml
- xml
Long-term and short-term shoreline change rates for the coast south of Boston, Massachusetts, calculated with and without the proxy-datum bias using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20240319 | Harvested: July 16, 2025 at 03:53 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
- xml
- xml
Long-term and short-term shoreline change rates for coastal region around Boston, Massachusetts calculated without the proxy-datum bias using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20200810 | Harvested: July 18, 2025 at 01:29 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
- xml
- xml
Long-term and short-term shoreline change rates for Outer Cape Cod, Massachusetts calculated with and without the proxy-datum bias using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20200810 | Harvested: July 18, 2025 at 01:32 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
- xml
- xml
Long-term and short-term shoreline change rates for Nantucket, Massachusetts calculated with and without the proxy-datum bias using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20200810 | Harvested: July 18, 2025 at 01:23 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
- xml
- xml
Long-term and short-term shoreline change rates for the Cape Cod Bay coastal region in Massachusetts calculated with and without the proxy-datum bias using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20200810 | Harvested: July 18, 2025 at 01:26 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
- xml
- xml
Long-term and short-term shoreline change rates for the coastal region north of Boston, Massachusetts calculated with and without the proxy-datum bias using the Digital Shoreline Analysis System version 5.0
- Organization: Department of the Interior
- Updated: 20240319 | Harvested: July 16, 2025 at 03:53 AM
The Massachusetts Office of Coastal Zone Management launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the coast. The shoreline position and change rate are used to...
- xml
- xml
Bias feature containing proxy-datum bias information to be used in the Digital Shoreline Analysis System for the western coast of North Carolina from Cape Fear to the South Carolina border (NCwest)
- Organization: Department of the Interior
- Updated: 20231023 | Harvested: July 16, 2025 at 08:04 AM
The U.S. Geological Survey (USGS) has compiled national shoreline data for more than 20 years to document coastal change and serve the needs of research, management, and the public. Maintaining a...
- xml
- xml
VA Bias_Feature – Feature class containing Virginia proxy-datum bias information to be used in the Digital Shoreline Analysis System.
- Organization: Department of the Interior
- Updated: 20230526 | Harvested: July 16, 2025 at 08:40 AM
Geological Survey (USGS) has compiled national shoreline data for more than 20 years to document coastal change and serve the needs of research, management, and the public. Maintaining a record of...
- xml
- xml
SC Bias Feature – Feature class containing South Carolina proxy-datum bias information to be used in the Digital Shoreline Analysis System
- Organization: Department of the Interior
- Updated: 20230815 | Harvested: July 16, 2025 at 08:21 AM
The U.S. Geological Survey (USGS) has compiled national shoreline data for more than 20 years to document coastal change and serve the needs of research, management, and the public. Maintaining a...
- xml
- xml
Bias feature containing proxy-datum bias information to be used in the Digital Shoreline Analysis System for the central coast of North Carolina from Cape Hatteras to Cape Lookout (NCcentral)
- Organization: Department of the Interior
- Updated: 20231023 | Harvested: July 16, 2025 at 07:54 AM
The U.S. Geological Survey (USGS) has compiled national shoreline data for more than 20 years to document coastal change and serve the needs of research, management, and the public. Maintaining a...
- xml
- xml

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