MODIS Airborne Simulator radiometric calibration

G. Thomas Arnold; Mike T. Fitzgerald; Patrick S. Grant; Steven E. Platnick; Si Chee Tsay; Jeffrey S. Myers; Michael D. King; Robert O. Green; Lorraine A. Remer

doi:10.1117/12.258115

11 November 1996 MODIS Airborne Simulator radiometric calibration

G. Thomas Arnold, Mike T. Fitzgerald, Patrick S. Grant, Steven E. Platnick, Si Chee Tsay, Jeffrey S. Myers, Michael D. King, Robert O. Green, Lorraine A. Remer

Author Affiliations +

Proceedings Volume 2820, Earth Observing System; (1996) https://doi.org/10.1117/12.258115
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Over the past few years, the MODIS airborne simulator (MAS) has been providing imagery for EOS scientific algorithm development. Primarily flown aboard NASA's ER-2 aircraft, the MAS provides high spatial resolution (50 m at nadir) in 50 spectral channels from 0.55 to 14.2 micrometer, overlapping many MODIS and ASTER channels. This paper focuses on calibration of the short-wave (0.55 - 2.38 micrometer) channels, both radiometric and spectral, and calibration of the integrating sources. Also discussed is the dependence of the short-wave calibration on instrument temperature, showing significant reduction in the thermal sensitivity after recent instrument enhancements and upgrades. The procedures for intercomparison of MAS and AVIRIS (airborne visible/infrared imaging spectrometer) data are also discussed. Some limited comparisons for flights over Alaska (June 1995) are presented, although this analysis is in its initial stages and quantitative results are preliminary.

Citation Download Citation

G. Thomas Arnold, Mike T. Fitzgerald, Patrick S. Grant, Steven E. Platnick, Si Chee Tsay, Jeffrey S. Myers, Michael D. King, Robert O. Green, and Lorraine A. Remer "MODIS Airborne Simulator radiometric calibration", Proc. SPIE 2820, Earth Observing System, (11 November 1996); https://doi.org/10.1117/12.258115

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