Inter-calibration Results of the Advanced Microwave Scanning Radiometer-2 over Ocean

Suleiman O. Alsweiss, Zorana Jelenak, Paul S. Chang, Jun Dong Park, Patrick Meyers

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

In this paper, the oceanic radiometric calibration biases of the Advanced Microwave Scanning Radiometer-2 (AMSR2) onboard the Global Change Observation Mission-Water (GCOM-W1) are analyzed. The double difference (DD) approach is utilized to perform inter-sensor inter-calibration for AMSR2 with the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI) as the reference radiometer. This technique utilizes radiative transfer model (RTM) simulations and near-simultaneous clear-sky ocean-only observed brightness temperatures from the two microwave radiometers to estimate and correct the radiometric biases of ocean scenes for AMSR2 on a channel by channel basis.

Original languageEnglish
Article number6847110
Pages (from-to)4230-4238
Number of pages9
JournalIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Volume8
Issue number9
DOIs
StatePublished - Sep 2015

Keywords

  • Advanced Microwave Scanning Radiometer-2 (AMSR2)
  • Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI)
  • double difference (DD)
  • inter-calibration
  • ocean

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