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Correction published on 24 September 2014, see ISPRS Int. J. Geo-Inf. 2014, 3(3), 1154-1156.

ISPRS Int. J. Geo-Inf. 2012, 1(1), 32-45; doi:10.3390/ijgi1010032
Article

EASE-Grid 2.0: Incremental but Significant Improvements for Earth-Gridded Data Sets

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National Snow & Ice Data Center, Cooperative Institute of Environmental Sciences, University of Colorado, 449 UCB, Boulder, CO 80309, USA
* Author to whom correspondence should be addressed.
Received: 30 January 2012 / Revised: 28 February 2012 / Accepted: 1 March 2012 / Published: 13 March 2012
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Abstract

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.
Keywords: EASE-Grid 2.0; EASE-Grid; WGS 84; equal-area projections; Earth-gridded EASE-Grid 2.0; EASE-Grid; WGS 84; equal-area projections; Earth-gridded
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Brodzik, M.J.; Billingsley, B.; Haran, T.; Raup, B.; Savoie, M.H. EASE-Grid 2.0: Incremental but Significant Improvements for Earth-Gridded Data Sets. ISPRS Int. J. Geo-Inf. 2012, 1, 32-45.

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