Title :
Vicarious and cross calibration methods for satellite thermal infrared sensors using hot ground targets
Author :
Matsunaga, T. ; Nonaka, T. ; Sawabe, Y. ; Moriyama, M. ; Tonooka, H. ; Fukasawa, H.
Author_Institution :
Tokyo Inst. of Technol., Yokohama, Japan
Abstract :
For radiometric calibration of ASTER TIR and Landsat-7 ETM+ thermal infrared band, vicarious calibration (VC) and cross calibration (CC) experiments were carried out in Lake Tahoe (Nevada), Salton Sea (California), and Railroad Valley (Nevada) in 2000. For Salton Sea and Railroad Valley, ground temperature measurements were conducted in large playas during overpasses of these satellites. For Lake Tahoe, airborne MASTER data were acquired. Atmospheric profile data were obtained by radiosonde during the experiments. These calibration results show that the radiant temperature of ASTER TIR, based on the on-board blackbody, is lower than those of VC/CC at high temperature, the ETM+ band 6 is 3°C (except in Railroad Valley) higher than those of VC/CC. VC/CC accuracy is better than 1°C (radiometric calibration requirement of ASTER TIR)
Keywords :
aerospace instrumentation; calibration; geophysical equipment; infrared detectors; infrared imaging; remote sensing; ASTER TIR; California; Lake Tahoe; Landsat-7 ETM+; Nevada; Railroad Valley; Salton Sea; airborne MASTER data; atmospheric profile data; band 6; cross calibration methods; ground temperature measurements; hot ground targets; playas; radiant temperature; satellite thermal infrared sensors; vicarious calibration methods; Atmospheric measurements; Calibration; Lakes; Land surface temperature; Ocean temperature; Radiometry; Remote sensing; Satellite broadcasting; Sea measurements; Virtual colonoscopy;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2001. IGARSS '01. IEEE 2001 International
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-7031-7
DOI :
10.1109/IGARSS.2001.977090
