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Journal of Applied Remote Sensing

Variability of satellite derived chlorophyll-a in the southern Caspian Sea following an invasion of ctenophore Mnemiopsis leidyi
Author(s): Masoud Moradi
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Paper Abstract

The comb jellyfish Mnemiopsis leidyi invaded vastly the whole Caspian Sea in summer 2001. Sea-viewing wide field-of-view sensor and moderate resolution imaging spectroradiometer (MODIS) satellite data from 1998 to 2006 and bio-optical field measurements along six transects in the southern Caspian Sea from 2001 to 2006 were used to detect the relationships between M. leidyi abundances with satellite driven sea surface temperature (SST) and chlorophyll-a . MODIS chlorophyll-a and SST monthly composite average value showed a positive linear correlation with M. leidyi abundance in the southern Caspian Sea. Spatiotemporal distribution of MODIS chlorophyll-a high-level patches (∼5  mg⋅m −3 ) were also confirmed with the highest recorded M. leidyi and the lowest zooplankton abundances. However, there are several other factors that affect the concentration of chlorophyll-a , and it is not clear how much of the chlorophyll-a variation is related to M. leidyi abundances.

Paper Details

Date Published: 29 October 2013
PDF: 8 pages
J. Appl. Rem. Sens. 7(1) 073490 doi: 10.1117/1.JRS.7.073490
Published in: Journal of Applied Remote Sensing Volume 7, Issue 1
Show Author Affiliations
Masoud Moradi, Iranian National Institute of Oceanography and Atmospheric Science (Iran, Islamic Republic of)

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