Research Papers

Using Dome C for moderate resolution imaging spectroradiometer calibration stability and consistency

[+] Author Affiliations
Xiaoxiong Xiong

Sciences and Exploration Directorate, NASA/Goddard Space Flight Center, Greenbelt, MD 20771

Aisheng Wu

Science Systems and Applications, Inc., 10210 Greenbelt Road, Lanham, MD 20706

Brian N. Wenny

Science Systems and Applications, Inc., 10210 Greenbelt Rd, Lanham, MD 20706

J. Appl. Remote Sens. 3(1), 033520 (March 20, 2009). doi:10.1117/1.3116663
History: Received September 24, 2008; Revised March 9, 2009; Accepted March 19, 2009; March 20, 2009; Online March 20, 2009
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Abstract

Currently, there are two nearly identical moderate resolution imaging spectroradiometer (MODIS) instruments operated in space: one on the Terra spacecraft launched in December 1999 and another on the Aqua spacecraft launched in May 2002. MODIS has 36 spectral bands with wavelengths covering from visible (VIS) to long-wave infrared (LWIR). Since launch, MODIS observations and data products have significantly enabled studies of changes in the Earth system of land, oceans, and atmosphere. In order to maintain its on-orbit calibration and data product quality, MODIS was built with a comprehensive set of on-board calibrators. MODIS reflective solar bands (RSB) are calibrated on-orbit by a system that consists of a solar diffuser (SD) and a solar diffuser stability monitor (SDSM) on a regular basis. Its thermal emissive bands (TEB) calibration is executed on a scan-by-scan basis using an on-board blackbody (BB). The MODIS Characterization Support Team (MCST) at NASA/GSFC has been responsible for supporting sensor calibration and characterization tasks from pre-launch to post launch. In this paper, we describe current MCST efforts and progress made to examine sensor stability and inter-calibration consistency using observations over Dome Concordia, Antarctica. Results show that this site can provide useful calibration reference for Earth-observing sensors.

© 2009 Society of Photo-Optical Instrumentation Engineers

Topics

Calibration ; Domes ; MODIS

Citation

Xiaoxiong Xiong ; Aisheng Wu and Brian N. Wenny
"Using Dome C for moderate resolution imaging spectroradiometer calibration stability and consistency", J. Appl. Remote Sens. 3(1), 033520 (March 20, 2009). ; http://dx.doi.org/10.1117/1.3116663


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