Landsat-8 operational land imager radiometric calibration and stability

Brian Markham, Julia Barsi, Geir Kvaran, Lawrence Ong, Edward Kaita, Stuart Biggar, Jeffrey Czapla-Myers, Nischal Mishra, Dennis Helder

Research output: Research - peer-reviewArticle

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Abstract

The Landsat-8 Operational Land Imager (OLI) was radiometrically calibrated prior to launch in terms of spectral radiance, using an integrating sphere source traceable to National Institute of Standards and Technology (NIST) standards of spectral irradiance. It was calibrated on-orbit in terms of reflectance using diffusers characterized prior to launch using NIST traceable standards. The radiance calibration was performed with an uncertainty of ~3%; the reflectance calibration to an uncertainty of ~2%. On-orbit, multiple calibration techniques indicate that the sensor has been stable to better than 0.3% to date, with the exception of the shortest wavelength band, which has degraded about 1.0%. A transfer to orbit experiment conducted using the OLI's heliostat-illuminated diffuser suggests that some bands increased in sensitivity on transition to orbit by as much as 5%, with an uncertainty of ~2.5%. On-orbit comparisons to other instruments and vicarious calibration techniques show the radiance (without a transfer to orbit adjustment), and reflectance calibrations generally agree with other instruments and ground measurements to within the uncertainties. Calibration coefficients are provided with the data products to convert to either radiance or reflectance units.

LanguageEnglish (US)
Pages12275-12308
Number of pages34
JournalRemote Sensing
Volume6
Issue number12
DOIs
StatePublished - 2014

Fingerprint

Landsat
calibration
land
radiance
reflectance
irradiance
sensor
wavelength
experiment
product
comparison

Keywords

  • Calibration
  • Landsat
  • Radiometry

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

Cite this

Markham, B., Barsi, J., Kvaran, G., Ong, L., Kaita, E., Biggar, S., ... Helder, D. (2014). Landsat-8 operational land imager radiometric calibration and stability. Remote Sensing, 6(12), 12275-12308. DOI: 10.3390/rs61212275

Landsat-8 operational land imager radiometric calibration and stability. / Markham, Brian; Barsi, Julia; Kvaran, Geir; Ong, Lawrence; Kaita, Edward; Biggar, Stuart; Czapla-Myers, Jeffrey; Mishra, Nischal; Helder, Dennis.

In: Remote Sensing, Vol. 6, No. 12, 2014, p. 12275-12308.

Research output: Research - peer-reviewArticle

Markham, B, Barsi, J, Kvaran, G, Ong, L, Kaita, E, Biggar, S, Czapla-Myers, J, Mishra, N & Helder, D 2014, 'Landsat-8 operational land imager radiometric calibration and stability' Remote Sensing, vol 6, no. 12, pp. 12275-12308. DOI: 10.3390/rs61212275
Markham B, Barsi J, Kvaran G, Ong L, Kaita E, Biggar S et al. Landsat-8 operational land imager radiometric calibration and stability. Remote Sensing. 2014;6(12):12275-12308. Available from, DOI: 10.3390/rs61212275
Markham, Brian ; Barsi, Julia ; Kvaran, Geir ; Ong, Lawrence ; Kaita, Edward ; Biggar, Stuart ; Czapla-Myers, Jeffrey ; Mishra, Nischal ; Helder, Dennis. / Landsat-8 operational land imager radiometric calibration and stability. In: Remote Sensing. 2014 ; Vol. 6, No. 12. pp. 12275-12308
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