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Proceedings Paper

Evaluation of VIIRS ocean color data using measurements from the AERONET-OC sites
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Paper Abstract

As an integral part of the VIIRS sensor calibration and validation efforts, our group has been continuously monitoring the validity of the Visible Infrared Imager Radiometer Suite (VIIRS)’s Ocean Color (OC) and atmospheric data stream through time series in-situ data acquired at the observatory sites which are part of the AERONET – OC network. This paper addresses the preliminary evaluations of the VIIRS sensor’s performance for retrieving OC data of typical coastal water environments, by carrying out time-series, as well as qualitative and quantitative match-up comparisons analysis between in-situ and satellite retrieved OC data. Initial time-series match-up comparisons carried out for almost a year period (January to December, 2012) show that VIIRS data exhibits strong temporal and statistical agreements with AERONET-OC data demonstrating a potential for enhanced coastal water monitoring from space. VIIRS data processing schemes which apply different vicarious calibration gains are compared and analyzed based on AERONET-OC data as well as OC retrievals of the Moderate Resolution Imaging Spectro-radiometer (MODIS) sensor aboard the Aqua satellite. The underlying cause of the discrepancies observed in VIIRS retrieved normalized water-leaving radiances is also investigated.

Paper Details

Date Published: 3 June 2013
PDF: 15 pages
Proc. SPIE 8724, Ocean Sensing and Monitoring V, 87240L (3 June 2013); doi: 10.1117/12.2017756
Show Author Affiliations
Samir Ahmed, The City College of New York (United States)
Alex Gilerson, The City College of New York (United States)
Soe Hlaing, The City College of New York (United States)
Ioannis Ioannou, The City College of New York (United States)
Menghua Wang, National Oceanic and Atmospheric Administration (United States)
Alan Weidemann, U.S. Naval Research Lab. (United States)
Robert A. Arnone, The Univ. of Southern Mississippi (United States)


Published in SPIE Proceedings Vol. 8724:
Ocean Sensing and Monitoring V
Weilin W. Hou; Robert A. Arnone, Editor(s)

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