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Remote Sens. 2017, 9(6), 569; doi:10.3390/rs9060569

Development and Implementation of an Electronic Crosstalk Correction for Bands 27–30 in Terra MODIS Collection 6

1
Science Systems and Applications Inc., Lanham, MD 20706, USA
2
Cooperative Institute for Meteorological Satellite Studies, University of Wisconsin, Madison, WI 53706, USA
3
Sciences and Exploration Directorate, NASA/GSFC, Greenbelt, MD 20771, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Dongdong Wang and Prasad S. Thenkabail
Received: 20 April 2017 / Revised: 27 May 2017 / Accepted: 1 June 2017 / Published: 6 June 2017
View Full-Text   |   Download PDF [5631 KB, uploaded 7 June 2017]   |  

Abstract

The photovoltaic bands on the long-wave infrared focal plane assembly of Terra MODIS, bands 27–30, have suffered from steadily increasing contamination from electronic crosstalk as the mission has progressed. This contamination has a great impact on MODIS data products, including image striping and radiometric bias in the Level-1B calibrated radiance product, and incorrect retrieval in atmospheric products that rely on data from bands 27–30, such as the cloud mask and cloud particle phase products. In this work, we describe the development of an electronic crosstalk correction for bands 27–30 of Terra MODIS using observations of the Moon. In this approach, the derived correction coefficients account for both the “in-band” and “out-of-band” contribution to the signal contamination, which is not considered in previous implementations of the lunar-based correction. The correction coefficients are applied to both the on-board calibrator data and the Earth-view data, resulting in a significant reduction in the image striping and radiometric bias in the Level-1B data, as well as a better performance in the Level-2 cloud mask and cloud particle phase products. This approach will be implemented for Terra MODIS Collection 6 in 2017. View Full-Text
Keywords: MODIS; crosstalk; radiometric improvements; calibration; contamination; cloud mask MODIS; crosstalk; radiometric improvements; calibration; contamination; cloud mask
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wilson, T.; Wu, A.; Shrestha, A.; Geng, X.; Wang, Z.; Moeller, C.; Frey, R.; Xiong, X. Development and Implementation of an Electronic Crosstalk Correction for Bands 27–30 in Terra MODIS Collection 6. Remote Sens. 2017, 9, 569.

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