Scene-based cross-comparison of SNPP-VIIRS and Aqua-MODIS over oceanic waters

Nima Pahlevan; Zhongping Lee; Adam Lawson; Robert Arnone

doi:10.1117/12.2023423

23 September 2013 Scene-based cross-comparison of SNPP-VIIRS and Aqua-MODIS over oceanic waters

Nima Pahlevan, Zhongping Lee, Adam Lawson, Robert Arnone

Proceedings Volume 8866, Earth Observing Systems XVIII; 88660J (2013) https://doi.org/10.1117/12.2023423
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

The Visible Infrared Imaging Radiometer Suite (VIIRS) onboard the Suomi National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (NPP) (SNPP) was launched in October 2011 to continue monitoring the globe in a similar fashion as the heritage sensors, such as the MODerate resolution Imaging Spectroradiometer (MODIS). This paper applies a scene-based technique to examine in-orbit radiometric stability of VIIRS relative to Aqua MODIS. The cross-comparison is made over global deep ocean waters. This cross-comparison allows for a comprehensive examination of the sensors’ radiometric responsivity at relatively low signal levels (over oceanic waters). The study is further extended to L2/L3 products, including remote sensing reflectance and the inherent optical properties (IOPs) of waters under investigation, derived from the top-of-atmosphere (TOA) radiance (L1B). The temporal analyses give insights into the trends in the relative radiometric stability and the resulting discrepancies in the corresponding products.

Citation Download Citation

Nima Pahlevan, Zhongping Lee, Adam Lawson, and Robert Arnone "Scene-based cross-comparison of SNPP-VIIRS and Aqua-MODIS over oceanic waters", Proc. SPIE 8866, Earth Observing Systems XVIII, 88660J (23 September 2013); https://doi.org/10.1117/12.2023423

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