Catalog - Data.gov

Found 84 datasets matching "Horizontal Datums".

Federal
3 arc second digital elevation model of the Gulf of Maine
- Organization: Department of the Interior
- Updated: 2024-03-18T00:00:00Z
A gap-free, region-wide combined topographic/bathymetric grid at a fixed resolution is useful for describing the topography of the seafloor and for a wide variety of oceanographic studies....
- xml
- xml
Search relevance: 53.14 | Views last month: 0
Federal
Inundation Mapping Tidal Surface - Mean Higher High Water
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-01-01T00:00:00.000+00:00
These data are a derived product of the NOAA VDatum tool and they extend the tool's Mean Higher High Water (MHHW) tidal datum conversion inland beyond its original extent. VDatum was designed to...
- none
- none
- none
- none
Search relevance: 51.68 | Views last month: 2
State
Survey Markers
- Organization: State of Iowa
- Updated: 2024-07-25
Data is captured by Iowa DOT surveyors and loaded via the Survey Portal. All populated data comes directly from the field data collection units. X, Y, and Z fields are projected in the system...
- json
- rdf
- xml
- csv
Search relevance: 50.37 | Views last month: 0
Federal
Tidal Datums, Tidal Range, and Nuisance Flooding Levels for Chesapeake Bay and Delaware Bay
- Organization: Department of the Interior
- Updated: 2024-07-09T00:00:00Z
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...
- xml
- xml
Search relevance: 50.27 | Views last month: 1
Federal
Larsen Bay, Alaska 8/15 arc-second MHHW Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-09-29T00:00:00.000+00:00
NOAA's National Centers for Environmental Information is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard...
- html
- none
- none
- none
Search relevance: 42.59 | Views last month: 2
Federal
Port Graham and Nanwalek, Alaska 8/15 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-07-07T00:00:00.000+00:00
NOAA's National Centers for Environmental Information (NCEI) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard...
- html
- none
- none
- none
- html
Search relevance: 42.59 | Views last month: 1
Federal
Chiniak, Alaska 8/15 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-12-11T00:00:00.000+00:00
NOAA's National Centers for Environmental Information is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard...
- html
- none
- none
- none
Search relevance: 42.59 | Views last month: 1
Federal
Seldovia, Alaska 8/15 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-09-04T00:00:00.000+00:00
NOAA's National Centers for Environmental Information (NCEI) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard...
- none
- html
- none
- none
- none
- none
Search relevance: 42.59 | Views last month: 0
Federal
Cook Inlet, Alaska 8 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-08-14T00:00:00.000+00:00
NOAA's National Centers for Environmental Information (NCEI) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard...
- none
- html
- none
- none
- none
- none
Search relevance: 42.59 | Views last month: 0
Federal
Cordova, Alaska 8/15 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-10-16T00:00:00.000+00:00
NOAA's National Centers for Environmental Information (NCEI) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard...
- none
- html
- none
- none
- none
- none
Search relevance: 42.59 | Views last month: 0
Federal
Chignik, Alaska 1/3 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2014-02-28T00:00:00.000+00:00
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard Mitigation...
- none
- none
- none
- none
Search relevance: 42.59 | Views last month: 0
Federal
Elfin Cove Alaska 1/3 arc-second MHW Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2011-03-31T00:00:00.000+00:00
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard Mitigation...
- none
- none
- none
- html
- none
- none
- +7 more
Search relevance: 42.59 | Views last month: 0
Federal
Cook Inlet, Alaska 3 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-08-14T00:00:00.000+00:00
NOAA's National Centers for Environmental Information (NCEI) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard...
- none
- html
- none
- none
- none
- none
Search relevance: 42.59 | Views last month: 0
Federal
Akhiok, Alaska 8/15 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-02-07T00:00:00.000+00:00
NOAA's National Centers for Environmental Information (NCEI) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard...
- html
- none
- none
- none
- html
Search relevance: 42.59 | Views last month: 0
Federal
False Pass, Alaska 8/15 arc-second MHHW Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-07-28T00:00:00.000+00:00
NOAA's National Centers for Environmental Information is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard...
- html
- none
- none
- none
Search relevance: 41.90 | Views last month: 4
Federal
Adak, Alaska 8/15 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2017-02-03T00:00:00.000+00:00
NOAA's National Centers for Environmental Information is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard...
- html
- none
- none
- none
Search relevance: 41.90 | Views last month: 1
Federal
Cold Bay, Alaska 8/3 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-12-31T00:00:00.000+00:00
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard Mitigation...
- none
- none
- none
- none
- none
Search relevance: 41.90 | Views last month: 1
Federal
Chignik, Alaska 1 arc-second Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2014-02-28T00:00:00.000+00:00
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard Mitigation...
- none
- none
- none
- none
Search relevance: 41.90 | Views last month: 0
Federal
King Cove, Alaska 8/15 arc-second MHHW Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-12-30T00:00:00.000+00:00
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard Mitigation...
- none
- none
- none
- none
- none
Search relevance: 41.90 | Views last month: 0
Federal
Elfin Cove Alaska 1/3 arc-second MHHW Coastal Digital Elevation Model
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2012-08-06T00:00:00.000+00:00
NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard Mitigation...
- none
- none
- none
- none
- none
Search relevance: 41.90 | Views last month: 0

Filter selections are applied on each click