Paper
28 February 2002 Comparison between SeaWiFS and lidar data in the Ross Sea
Roberto Barbini, Francesco Colao, Roberta Fantoni, Luca Fiorani, Antonio Palucci
Author Affiliations +
Proceedings Volume 4678, Eighth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; (2002) https://doi.org/10.1117/12.458443
Event: Eighth Joint International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2001, Irkutsk, Russian Federation
Abstract
Satellite remote sensing of ocean color is a powerful tool for large-scale investigations on water properties. In particular, ocean color is directly connected to the pigment concentration. This latter, in turn, is related to the presence of phytoplankton which plays a major role in the biogenic flux of carbon dioxide in the oceans. Thanks to this process, oceans represent an important sink for atmospheric carbon dioxide, thus influencing the climate equilibrium. This explains the renewed interest in space missions and oceanographic researches focused on ocean color. In this paper we review the Sea-viewing Wide Field- of-view Sensor (SeaWiFS), carried by the OrbView-2 satellite, and we compare its imagery with the measurements performed by the ENEA Lidar Fluorosensor (ELF). In particular, lidar measurements can be very useful for calibrating the satellite imagery of chlorophyll-a in a region where seasonal and spatial distributions of phytoplankton require further investigations. Actually, the present imagery processing algorithms are not exempt from uncertainties, especially because the water-leaving radiance must be separated from the atmospheric radiance, which typically represents about 80% of the 'at sensor' radiance. Moreover, such algorithms nowadays are tuned for biota very different from that of the Souther Ocean.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Roberto Barbini, Francesco Colao, Roberta Fantoni, Luca Fiorani, and Antonio Palucci "Comparison between SeaWiFS and lidar data in the Ross Sea", Proc. SPIE 4678, Eighth International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, (28 February 2002); https://doi.org/10.1117/12.458443
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KEYWORDS
Sensors

Satellites

Water

Evolutionary algorithms

LIDAR

Atmospheric corrections

Calibration

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