Research Papers

Variability of satellite derived chlorophyll-a in the southern Caspian Sea following an invasion of ctenophore Mnemiopsis leidyi

[+] Author Affiliations
Masoud Moradi

Iranian National Institute of Oceanography and Atmospheric Science (INIOAS), Department of Satellite Oceanography, P.O. Box 14155-4781, Tehran, Iran

J. Appl. Remote Sens. 7(1), 073490 (Oct 29, 2013). doi:10.1117/1.JRS.7.073490
History: Received May 11, 2013; Revised October 7, 2013; Accepted October 9, 2013
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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 (5mg·m3) 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.

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© 2013 Society of Photo-Optical Instrumentation Engineers

Citation

Masoud Moradi
"Variability of satellite derived chlorophyll-a in the southern Caspian Sea following an invasion of ctenophore Mnemiopsis leidyi", J. Appl. Remote Sens. 7(1), 073490 (Oct 29, 2013). ; http://dx.doi.org/10.1117/1.JRS.7.073490


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