Journal
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION
Volume 1, Issue 1, Pages 32-45Publisher
MDPI AG
DOI: 10.3390/ijgi1010032
Keywords
EASE-Grid 2.0; EASE-Grid; WGS 84; equal-area projections; Earth-gridded
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Defined in the early 1990s for use with gridded satellite passive microwave data, the Equal-Area Scalable Earth Grid (EASE-Grid) was quickly adopted and used for distribution of a variety of satellite and in situ data sets. Conceptually easy to understand, EASE-Grid suffers from limitations that make it impossible to format in the widely popular GeoTIFF convention without reprojection. Importing EASE-Grid data into standard mapping software packages is nontrivial and error-prone. This article defines a standard for an improved EASE-Grid 2.0 definition, addressing how the changes rectify issues with the original grid definition. Data distributed using the EASE-Grid 2.0 standard will be easier for users to import into standard software packages and will minimize common reprojection errors that users had encountered with the original EASE-Grid definition.
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