Cross-calibration of Earth Observing System Terra satellite sensors MODIS and ASTER

J. McCorkel

doi:10.1117/12.2062498

26 September 2014 Cross-calibration of Earth Observing System Terra satellite sensors MODIS and ASTER

J. McCorkel

Proceedings Volume 9218, Earth Observing Systems XIX; 92180X (2014) https://doi.org/10.1117/12.2062498
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

The Advanced Spaceborne Thermal Emissive and Reflection Radiometer (ASTER) and Moderate Resolution Imaging Spectrometer (MODIS) are two of the five sensors onboard the Earth Observing System’s Terra satellite. These sensors share many similar spectral channels while having much different spatial and operational parameters. ASTER is a tasked sensor and sometimes referred to a zoom camera of the MODIS that collects a full-earth image every one to two days. It is important that these sensors have a consistent characterization and calibration for continued development and use of their data products. This work uses a variety of test sites to retrieve and validate intercalibration results. The refined calibration of Collection 6 of the Terra MODIS data set is leveraged to provide the up-to-date reference for trending and validation of ASTER. Special attention is given to spatially matching radiance measurements using prelaunch spatial response characterization of MODIS. Despite differences in spectral band properties and spatial scales, ASTER-MODIS is an ideal case for intercomparison since the sensors have nearly identical views and acquisitions times and therefore can be used as a baseline of intercalibration performance of other satellite sensor pairs.

Citation Download Citation

J. McCorkel "Cross-calibration of Earth Observing System Terra satellite sensors MODIS and ASTER", Proc. SPIE 9218, Earth Observing Systems XIX, 92180X (26 September 2014); https://doi.org/10.1117/12.2062498

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