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What geographic coordinate system was used to generate the NLDAS grid?

April 26, 2017coordinate geographic Grid nldas system Used

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What geographic coordinate system was used to generate the NLDAS grid?

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A. No particular geographic coordinate system was consulted when the NLDAS grid was originally configured. The grid boxes are simply 1/8th-degree boxes with the center of the lower-left grid box at 25.0625 N and 124.9375 W. The details of the grid are available here and here. Some users have successfully used the GCS_WGS_1984 World Geodetic System datum for NLDAS data within GIS.