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Remote Sens. 2016, 8(3), 249; doi:10.3390/rs8030249

Investigation and Mitigation of the Crosstalk Effect in Terra MODIS Band 30

1
NOAA National Environmental Satellite, Data, and Information Service, Center for Satellite Applications and Research, E/RA3, 5830 University Research Ct., College Park, MD 20740, USA
2
Global Science and Technology, 7855 Walker Drive, Suite 200, Greenbelt, MD 20770, USA
3
Science Systems and Application Inc., 10210 Greenbelt Rd., Suite 600, Lanham, MD 20706, USA
4
Department of Geography and Geoinformation Sciences, George Mason University, 4400 University Drive, Fairfax, VA 22030, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Magaly Koch and Prasad S. Thenkabail
Received: 1 February 2016 / Revised: 8 March 2016 / Accepted: 11 March 2016 / Published: 16 March 2016
View Full-Text   |   Download PDF [4115 KB, uploaded 16 March 2016]   |  

Abstract

It has been previously reported that thermal emissive bands (TEB) 27–29 in the Terra (T-) MODerate resolution Imaging Spectroradiometer (MODIS) have been significantly affected by electronic crosstalk. Successful linear theory of the electronic crosstalk effect was formulated, and it successfully characterized the effect via the use of lunar observations as viable inputs. In this paper, we report the successful characterization and mitigation of the electronic crosstalk for T-MODIS band 30 using the same characterization methodology. Though the phenomena of the electronic crosstalk have been well documented in previous works, the novel for band 30 is the need to also apply electronic crosstalk correction to the non-linear term in the calibration coefficient. The lack of this necessity in early works thus demonstrates the distinct difference of band 30, and, yet, in the same instances, the overall correctness of the characterization formulation. For proper result, the crosstalk correction is applied to the band 30 calibration coefficients including the non-linear term, and also to the earth view radiance. We demonstrate that the crosstalk correction achieves a long-term radiometric correction of approximately 1.5 K for desert targets and 1.0 K for ocean scenes. Significant striping removal in the Baja Peninsula earth view imagery is also demonstrated due to the successful amelioration of detector differences caused by the crosstalk effect. Similarly significant improvement in detector difference is shown for the selected ocean and desert targets over the entire mission history. In particular, band 30 detector 8, which has been flagged as “out of family” is restored by the removal of the crosstalk contamination. With the correction achieved, the science applications based on band 30 can be significantly improved. The linear formulation, the characterization methodology, and the crosstalk effect correction coefficients derived using lunar observations are once again demonstrated to work remarkably well. View Full-Text
Keywords: MODIS; moon; crosstalk; Terra; thermal emissive bands; striping; radiometric improvements MODIS; moon; crosstalk; Terra; thermal emissive bands; striping; radiometric improvements
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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

Sun, J.; Madhavan, S.; Wang, M. Investigation and Mitigation of the Crosstalk Effect in Terra MODIS Band 30. Remote Sens. 2016, 8, 249.

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