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Indicators of Coastal Water Quality: Ancillary Data

Published by SEDAC | National Aeronautics and Space Administration | Metadata Last Checked: February 07, 2026 | Last Modified: 2025-07-17
The Ancillary Data component of the Indicators of Coastal Water Quality Collection includes a 5 arc-minute (approximately 9 x 9 km at the equator) sequence grid, grid cell centroids that relate to the grid cells in the tabular "Indicators of Coastal Water Quality: Change in Chlorophyll-a Concentration 1998-2007" data set, and a country buffer data set that is divided by exclusive economic zones (EEZ). The data are produced by the Columbia University Center for International Earth Science Information Network (CIESIN).

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