Evaluation of MODIS and Sentinel-3 SLSTR thermal emissive bands calibration consistency using Dome C

Ashish Shrestha; Amit Angal; Xiaoxiong Xiong

doi:10.1117/12.2303987

8 May 2018 Evaluation of MODIS and Sentinel-3 SLSTR thermal emissive bands calibration consistency using Dome C

Ashish Shrestha, Amit Angal, Xiaoxiong Xiong

Proceedings Volume 10644, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV; 106441U (2018) https://doi.org/10.1117/12.2303987
Event: SPIE Defense + Security, 2018, Orlando, FL, United States

Abstract

Over the years, data from different satellites has provided invaluable information about Earth's atmosphere, land and oceans. The thermal emissive bands (TEB) on the Moderate Resolution Imaging Spectroradiometer (MODIS) are comprised of 16 spectral bands with wavelengths ranging from 3.7 to 14.4 μm. MODIS TEB are calibrated on orbit on a scan-by-scan basis using an on-board blackbody (BB). Sentinel-3 Sea and Land Surface Temperature Radiometer (SLSTR), launched on 16 February 2016, has 11 spectral bands with wavelengths from 0.55 to 12 μm. In this study, we compare the observed brightness temperature from MODIS bands 31 and 32 and SLSTR bands S8 and S9 over Dome C using a 20 × 20 km region of interest (ROI) centered at (75.102 °S ,123.395 °E). A total of 2989 scenes for Terra, 2963 for Aqua and 1961 for SLSTR from November, 2016 to January 2018 are analyzed. The relative bias between MODIS and SLSTR is evaluated using the near-surface temperature measurements from an Automatic Weather Station (AWS).

Citation Download Citation

Ashish Shrestha, Amit Angal, and Xiaoxiong Xiong "Evaluation of MODIS and Sentinel-3 SLSTR thermal emissive bands calibration consistency using Dome C", Proc. SPIE 10644, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV, 106441U (8 May 2018); https://doi.org/10.1117/12.2303987

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