Korean Journal of Remote Sensing (대한원격탐사학회지)

Korean Society of Remote Sensing (대한원격탐사학회)
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An estimation of surface reflectance for Advanced Himawari Imager (AHI) data using 6SV

  • Seong, Noh-hun (Department of Spatial Information Engineering, Pukyong National University) ;
  • Lee, Chang Suk (Department of Spatial Information Engineering, Pukyong National University) ;
  • Choi, Sungwon (Department of Spatial Information Engineering, Pukyong National University) ;
  • Seo, Minji (Department of Spatial Information Engineering, Pukyong National University) ;
  • Lee, Kyeong-Sang (Department of Spatial Information Engineering, Pukyong National University) ;
  • Han, Kyung-Soo (Department of Spatial Information Engineering, Pukyong National University)
  • Received : 2016.02.25
  • Accepted : 2016.02.29
  • Published : 2016.02.28
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Abstract

The surface reflectance is essential to retrieval various indicators related land properties such as vegetation index, albedo and etc. In this study, we estimated surface reflectance using Himawari-8 / Advanced Himawari Imager (AHI) channel data. In order to estimate surface reflectance from Top of Atmosphere (TOA) reflectance, the atmospheric correction is necessary because all of the TOA reflectance from optical sensor is affected by gas molecules and aerosol in the atmosphere. We used Second Simulation of a Satellite Signal in the Solar Spectrum Vector (6SV) Radiative Transfer Model (RTM) to correct atmospheric effect, and Look-Up Table (LUT) to shorten the calculation time. We verified through comparison Himawri-8 / AHI surface reflectance and Proba-V S1 products. As a result, bias and Root Mean Square Error (RMSE) are calculated about -0.02 and 0.05.

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References

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