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GCMD Data Center Keywords |
Global Change Master Directory (GCMD) Data Center Keywords |
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GCMD Location Keywords |
Global Change Master Directory (GCMD) Location Keywords |
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GCMD Science Keywords |
Global Change Master Directory (GCMD) Science Keywords |
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IGRF11 Spherical Harmonic Model. |
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International Geomagnetic Reference Field 11 |
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NOAA National Centers for Environmental Information |
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Polynomial US Historic Declination Calculator and the IGRF - Eleventh Generation |
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US Historic Declination Calculator |
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NCEI Metadata ID: gov.noaa.ngdc.mgg.geophysical_models:US_Historic_Declination_Calculator
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World Geodetic System 1984 |
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https://epsg.org/crs_4326/WGS-84.html |
WGS 84 |
GML of World Geodetic System 1984 coordinate 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.geophysical_models:US_Historic_Declination_Calculator/html |
Metadata Landing Page |
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information |
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https://www.ngdc.noaa.gov/IAGA/vmod/igrf.html |
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https://www.ngdc.noaa.gov/geomag-web/#ushistoric |
Magnetic Field Calculators Home Page |
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information |
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User input of area of interest and time for desired data grid into a web interface.
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User data is sent via HTTP request to a java servelet hosted on a local NGDC server.
This checks that all of the necessary information to run the model executable correctly
is present and in the correct format.
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NGDC server accesses a C executable, in this case the IGRF executable, and inputs
the user data and runs the executable to obtain desired output parameters in XML format.
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The XML created by the executable is sent back to NGDC server and input into the Java
servelet which reformats the output into the format designated by the user at the
begining of the process. This reformatted information is returned to the User's webpage.
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NGDC server accesses a C executable, inputs the user data and runs the executable
to obtain desired output parameters.
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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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