Lake Baikal ice: analysis of AVHRR imagery and simulation of under-ice phytoplankton bloom

Generation and sample applications of an integrated set of multi-spectral remotely sensed products for investigations of Lake Baikal's ice cover variability are presented. Different ice-snow cover classes and unfrozen water distributions are estimated from calibrated and navigated Advanced Very...

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Bibliographic Details
Published in:Journal of marine systems 2000-12, Vol.27 (1), p.117-130
Main Authors: Semovski, Sergei V., Mogilev, Nickolai Yu, Sherstyankin, Pavel P.
Format: Article
Language:English
Subjects:
ecological modelling
Freshwater
hydro-optics
lake ice
phytoplankton
remote sensing
Russia, Siberia, Baikal L
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Summary:Generation and sample applications of an integrated set of multi-spectral remotely sensed products for investigations of Lake Baikal's ice cover variability are presented. Different ice-snow cover classes and unfrozen water distributions are estimated from calibrated and navigated Advanced Very High Resolution Radiometer (AVHRR) 1.1-km imagery of Lake Baikal for January 1994 through May 1998. The calculated downward irradiance field in the photosynthetic available radiance band has served as input for a bio-optical model of phytoplankton dynamics. It is shown that the relationship between the production of main taxonomic groups of Baikal's phytoplankton is highly sensitive to the variability of ice conditions.
ISSN:0924-7963
1879-1573
DOI:10.1016/S0924-7963(00)00063-4