Vicarious calibration of ASTER via the reflectance-based approach

Kurt J. Thome, Kohei Arai, Satoshi Tsuchida, Stuart F Biggar

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

The reflectance-based vicarious calibration approach has been applied to the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) that is on the Terra platform. The results from three separate groups operating at the same sites at the same time are presented. The three groups show good agreement between each other, with differences between the groups being smaller than 4% in all bands ranging from 0.6 to 2.2 μm and with larger differences being seen at shorter wavelengths and beyond 2.2 μm. Comparisons between the groups and to the ASTER sensor are best at 1.66 μm (band 4), with differences between each group being less than 0.5% and all of the groups agreeing with ASTER to better than 5%. Differences in the visible and near infrared (VNIR) are larger, particularly prior to August 2002 when an update to the calibration processing was performed. These differences exceed 10% in some bands. In addition, the vicarious results appear to show a different trend than the onboard calibration for the VNIR indicating a possible problem with the onboard calibrator for bands 1-3.

Original languageEnglish (US)
Article number4637978
Pages (from-to)3285-3295
Number of pages11
JournalIEEE Transactions on Geoscience and Remote Sensing
Volume46
Issue number10
DOIs
StatePublished - Oct 2008

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ASTER
Radiometers
reflectance
Calibration
calibration
near infrared
Infrared radiation
sensor
wavelength
Wavelength
Hot Temperature
Sensors
Processing

Keywords

  • Absolute radiometric calibration
  • Advanced spaceborne thermal emission and reflection radiometer (ASTER)
  • Vicarious calibration

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Earth and Planetary Sciences(all)

Cite this

Vicarious calibration of ASTER via the reflectance-based approach. / Thome, Kurt J.; Arai, Kohei; Tsuchida, Satoshi; Biggar, Stuart F.

In: IEEE Transactions on Geoscience and Remote Sensing, Vol. 46, No. 10, 4637978, 10.2008, p. 3285-3295.

Research output: Contribution to journalArticle

Thome, Kurt J. ; Arai, Kohei ; Tsuchida, Satoshi ; Biggar, Stuart F. / Vicarious calibration of ASTER via the reflectance-based approach. In: IEEE Transactions on Geoscience and Remote Sensing. 2008 ; Vol. 46, No. 10. pp. 3285-3295.
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