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Accession Number N20120014332
Title MODIS Radiometric Calibration Program, Methods and Results.
Publication Date Jul 2012
Media Count 4p
Personal Author A. Angal B. Guenther B. Wenny J. Sun V. Salomonson W. Barnes X. Xiong
Abstract As a key instrument for NASA s Earth Observing System (EOS), the Moderate Resolution Imaging Spectroradiometer (MODIS) has made significant contributions to the remote sensing community with its unprecedented amount of data products continuously generated from its observations and freely distributed to users worldwide. MODIS observations, covering spectral regions from visible (VIS) to long-wave infrared (LWIR), have enabled a broad range of research activities and applications for studies of the earth s interactive system of land, oceans, and atmosphere. In addition to extensive pre-launch measurements, developed to characterize sensor performance, MODIS carries a set of on-board calibrators (OBC) that can be used to track on-orbit changes of various sensor characteristics. Most importantly, dedicated and continuous calibration efforts have been made to maintain sensor data quality. This paper provides an overview of the MODIS calibration program, on-orbit calibration activities, methods, and performance. Key calibration results and lessons learned from the MODIS calibration effort are also presented in this paper.
Keywords Calibrating
Earth observing system(Eos)
Imaging spectrometers
Lessons learned
Remote sensing
Spectral bands

Source Agency National Aeronautics and Space Administration
NTIS Subject Category 48 - Natural Resources & Earth Sciences
48C - Natural Resource Surveys
84G - Unmanned Spacecraft
Corporate Author Goddard Space Flight Center, Greenbelt, MD.
Document Type Conference proceedings
Title Note N/A
NTIS Issue Number 1307
Contract Number N/A

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