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In Situ Autonomous Optical Radiometry Measurements for Satellite Ocean Color Validation in the Western Black Sea : Volume 11, Issue 6 (20/12/2014)

By Zibordi, G.

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Book Id: WPLBN0004020829
Format Type: PDF Article :
File Size: Pages 32
Reproduction Date: 2015

Title: In Situ Autonomous Optical Radiometry Measurements for Satellite Ocean Color Validation in the Western Black Sea : Volume 11, Issue 6 (20/12/2014)  
Author: Zibordi, G.
Volume: Vol. 11, Issue 6
Language: English
Subject: Science, Ocean, Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2014
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Talone, M., Mélin, F., Berthon, J., & Zibordi, G. (2014). In Situ Autonomous Optical Radiometry Measurements for Satellite Ocean Color Validation in the Western Black Sea : Volume 11, Issue 6 (20/12/2014). Retrieved from http://worldlibrary.net/


Description
Description: European Commission, Joint Research Centre, Ispra, Italy. The accuracy of primary satellite ocean color data products from the Moderate Resolution Imaging Spectroradiometer on-board Aqua (MODIS-A) and the Visible/Infrared Imager/Radiometer Suite (VIIRS), is investigated in the Western Black Sea using in situ measurements from the Gloria site included in the Ocean Color component of the Aerosol Robotic Network (AERONET-OC). The analysis is also extended to an additional well-established AERONET-OC site in the northern Adriatic Sea characterized by optically complex coastal waters exhibiting similarities with those observed at the Gloria site. Results from the comparison of normalized-water leaving radiance LWN indicate biases of a few percent between satellite derived and in situ data at the center-wavelengths relevant for the determination of chlorophyll a concentration (443–547 nm, or equivalent). Remarkable is the consistency among the annual cycle determined with time series of satellite-derived and in situ LWN ratios at these center-wavelengths. Contrarily, the differences between in situ and satellite-derived LWN are pronounced at the blue (i.e., 412 nm) and red (i.e., 667 nm, or equivalent) center-wavelengths, suggesting difficulties in confidently applying satellite-derived radiometric data from these spectral regions for quantitative analysis in optically complex waters.

Summary
In situ autonomous optical radiometry measurements for satellite ocean color validation in the Western Black Sea

Excerpt
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