Sentinel-2A MSI and Landsat-8 OLI radiometric cross comparison over desert sites

Julia A. Barsi, Bahjat Alhammoud, Jeffrey S Czapla-Myers, Ferran Gascon, Md Obaidul Haque, Morakot Kaewmanee, Larry Leigh, Brian L. Markham

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The Sentinel-2A and Landsat-8 satellites carry on-board moderate resolution multispectral imagers for the purpose of documenting the Earth’s changing surface. Though they are independently built and managed, users will certainly take advantage of the opportunity to have higher temporal coverage by combining the datasets. Thus it is important for the radiometric and geometric calibration of the MultiSpectral Instrument (MSI) and the Operational Land Imager (OLI) to be compatible. Cross-calibration of MSI to OLI has been accomplished using multiple techniques involving the use of pseudo-invariant calibration sites (PICS) using direct comparisons as well as through use of PICS models predicting top-of-atmosphere reflectance. A team from the University of Arizona is acquiring field data under both instruments for vicarious calibration of the sensors. This paper shows that the work done to date by the Landsat and Sentinel-2 calibration teams has resulted in stable radiometric calibration for each instrument and consistency to ~2.5% between the instruments for all the spectral bands that the instruments have in common.

Original languageEnglish (US)
Pages (from-to)822-837
Number of pages16
JournalEuropean Journal of Remote Sensing
Volume51
Issue number1
DOIs
StatePublished - Jan 1 2018

Fingerprint

Landsat
Imager
Image sensors
Calibration
desert
calibration
Radiometric Calibration
Invariant
top of atmosphere
Reflectance
Atmosphere
land
comparison
Coverage
reflectance
Earth (planet)
Sensor
Satellites
sensor
Sensors

Keywords

  • Landsat
  • MSI
  • OLI
  • radiometric calibration
  • Sentinel-2A

ASJC Scopus subject areas

  • Environmental Science(all)
  • Computers in Earth Sciences
  • Atmospheric Science
  • Applied Mathematics

Cite this

Sentinel-2A MSI and Landsat-8 OLI radiometric cross comparison over desert sites. / Barsi, Julia A.; Alhammoud, Bahjat; Czapla-Myers, Jeffrey S; Gascon, Ferran; Haque, Md Obaidul; Kaewmanee, Morakot; Leigh, Larry; Markham, Brian L.

In: European Journal of Remote Sensing, Vol. 51, No. 1, 01.01.2018, p. 822-837.

Research output: Contribution to journalArticle

Barsi, JA, Alhammoud, B, Czapla-Myers, JS, Gascon, F, Haque, MO, Kaewmanee, M, Leigh, L & Markham, BL 2018, 'Sentinel-2A MSI and Landsat-8 OLI radiometric cross comparison over desert sites', European Journal of Remote Sensing, vol. 51, no. 1, pp. 822-837. https://doi.org/10.1080/22797254.2018.1507613
Barsi, Julia A. ; Alhammoud, Bahjat ; Czapla-Myers, Jeffrey S ; Gascon, Ferran ; Haque, Md Obaidul ; Kaewmanee, Morakot ; Leigh, Larry ; Markham, Brian L. / Sentinel-2A MSI and Landsat-8 OLI radiometric cross comparison over desert sites. In: European Journal of Remote Sensing. 2018 ; Vol. 51, No. 1. pp. 822-837.
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