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MODIS Overview

The first Moderate Resolution Imaging Spectroradiometer (MODIS) was launched by NASA aboard the Earth Observing System (EOS) satellite Terra on December 18, 1999. A second MODIS instrument was launched May 4, 2002 on the EOS-Aqua platform. With both instruments in operation, MODIS provides a morning and afternoon view with global, near-daily repeat coverage, complementing the spectral, spatial, and temporal coverage of the other research instruments aboard each platform. MODIS data sets represent a new and improved capability for terrestrial satellite remote sensing aimed at meeting the needs of global change research. The MODIS standard products will provide new and improved tools for moderate resolution land surface monitoring. These higher order data products have been designed to remove the burden of certain common types of data processing from the user community and meet the more general needs of global-to-regional monitoring, modeling, and assessment. The full potential of MODIS will be realized once a stable and well-calibrated time-series of multispectral data has been established.

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