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Continuously Updated Digital Elevation Model (CUDEM) Program |
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DEM Development Reports |
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GCMD Data Center Keywords |
Global Change Master Directory (GCMD) Data Center Keywords |
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GCMD Horizontal Resolution Keywords |
Global Change Master Directory (GCMD) Horizontal Data Resolution Keywords |
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GCMD Location Keywords |
Global Change Master Directory (GCMD) Location Keywords |
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GCMD Platform Keywords |
Global Change Master Directory (GCMD) Platform Keywords |
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GCMD Science Keywords |
Global Change Master Directory (GCMD) Science Keywords |
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GCMD Vertical Resolution Keywords |
Global Change Master Directory (GCMD) Vertical Data Resolution Keywords |
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International DOI Foundation (IDF) |
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NOAA National Centers for Environmental Information |
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North American Datum 1983 |
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U.S. Virgin Islands: Continuously Updated Digital Elevation Model (CUDEM) - 1/9 Arc-Second
Resolution Bathymetric-Topographic Tiles |
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doi:10.25921/ds9v-ky35 NCEI Metadata ID: gov.noaa.ngdc.mgg.dem:499919
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Uncontrolled |
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VIVD09 height |
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https://chs.coast.noaa.gov/htdata/raster5/elevation/NCEI_ninth_Topobathy_USVI_9529/index.html |
Bulk Download |
Simple download of data files. |
download |
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https://cires.colorado.edu/ |
Cooperative Institute for Research in Environmental Sciences (CIRES) at the University
of Colorado, Boulder |
Cooperative Institute for Research in Environmental Sciences (CIRES) |
originator |
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https://coast.noaa.gov/dataviewer/#/lidar/search/where:ID=9529 |
Customized Download |
Create custom data files by choosing data area, product type, map projection, file
format, datum, etc. |
download |
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https://epsg.org/crs_4269/NAD83.html |
NAD83 |
Link to Geographic Markup Language (GML) description of reference system. |
information |
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https://epsg.org/crs_6642/VIVD09-height.html?sessionkey=46psqsfd4v |
VIVD09 height |
Link to Geographic Markup Language (GML) description of reference system. |
information |
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https://epsg.org/home.html |
European Petroleum Survey Group Geodetic Parameter Registry |
Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured
dataset of Coordinate Reference Systems and Coordinate Transformations. |
search |
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https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords |
Global Change Master Directory (GCMD) Keywords |
The information provided on this page seeks to define how the GCMD Keywords are structured,
used and accessed. It also provides information on how users can participate in the
further development of the keywords. |
information |
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https://www.ncei.noaa.gov/contact |
NCEI Contact Information |
Information for contacts at NCEI. |
information |
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https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/gov.noaa.ngdc.mgg.dem:499919/html |
Metadata Landing Page |
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information |
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https://www.ngdc.noaa.gov/mgg/dat/dems/tiled_tr |
DEM Development Reports |
Please refer to the DEM Development Reports for detailed information regarding the
source data used in creation of a specific DEM tile. |
download |
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https://www.ngdc.noaa.gov/thredds/catalog/tiles/catalog.html |
Download NetCDF Files |
THREDDS Data Server containing the Continuously Updated Digital Elevation Model (CUDEM)
Bathymetric-Topographic Tiles. |
download |
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2015-04-22T00:00:00 |
NOAA created the National Centers for Environmental Information (NCEI) by merging
NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC),
and National Oceanographic Data Center (NODC), including the National Coastal Data
Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations
Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
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2018-02-01T00:00:00 |
Common horizontal reference frames and vertical datums are established among disparate
data and data are converted to a common data format, ASCII xyz, prior to gridding/interpolating.
A variety of software can be used for projection/datum transformations and format
conversions, including (but not limited to) Geospatial Data Abstraction Library (GDAL)
software utilities, VDatum, ArcGIS, LAStools, etc. Once consistency among the input
source data is established, the DEM surface is created through gridding and interpolation.
Elevations in grid-cells constrained by source measurements are assigned a value according
to a weighted average of all samples located within the particular cell, while elevations
in unconstrained grid-cells are estimated through interpolation. Please see the DEM
technical reports for a more detailed explanation of specific processing steps.
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