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AGU: Geophysical Research Letters

 

Index Terms

  • Hydrology: Energy budgets
  • Atmospheric Processes: Land/atmosphere interactions
  • Atmospheric Processes: Remote sensing
  • Atmospheric Processes: Clouds and cloud feedbacks
  • Atmospheric Processes: Instruments and techniques

Abstract

GEOPHYSICAL RESEARCH LETTERS, VOL. 33, L20112, 5 PP., 2006
doi:10.1029/2006GL027519

A comparison of MODIS land surface temperature with in situ observations

Michael G. Bosilovich

NASA Goddard Space Flight Center, Greenbelt, Maryland, USA

MODerate resolution Imaging Spectroradiometer (MODIS) land surface temperatures (LSTs) are compared to in situ observations during the Coordinated Enhanced Observing Period (CEOP). The purpose is to test the utility of global enhanced station data to provide additional information on the consistency of large volumes of remotely sensed data. While comparisons are limited by unresolved spatial and temporal representativeness, many of the comparisons are quite favorable, especially in mid-latitude regions. We note the extent of cloud contamination in the data product, and also some biases that may vary seasonally. Upscaling to 25km, as would be needed for global model comparisons or some mesoscale models, did not overly change the comparison results. The veracity of remotely sensed observations is important to identify and understand as these data begin to be applied to research questions.

Received 10 July 2006; accepted 20 September 2006; published 31 October 2006.

Citation: Bosilovich, M. G. (2006), A comparison of MODIS land surface temperature with in situ observations, Geophys. Res. Lett., 33, L20112, doi:10.1029/2006GL027519.

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