Satellite observation of chlorophyll and nutrients increase induced by Typhoon Megi in the Japan/East Sea

Details Satellite observation of chlorophyll and nutrients increase induced by Typhoon Megi in the Japan/East Sea Satellite observation of chlorophyll and nutrients increase induced by Typhoon Megi in the Japan/East Sea

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006georl..3305607s&link_type=abstract

Geophysical Research Letters, Volume 33, Issue 5, CiteID L05607

Mathematics

Logic

9

Oceanography: General: Physical And Biogeochemical Interactions, Oceanography: General: Remote Sensing And Electromagnetic Processes (0689, 2487, 3285, 4455, 6934), Oceanography: Biological And Chemical: Biogeochemical Cycles, Processes, And Modeling (0412, 0414, 0793, 1615, 4912), Oceanography: Biological And Chemical: Phytoplankton

Scientific paper

Remotely-sensed sea surface temperature (SST) and chlorophyll data were used to assess the biological response to the Typhoon Megi in the Japan/East Sea (JES). Mean SST from in situ measurements and satellite data decreased by about 2-4°C in the JES after Typhoon Megi. Mean concentration of MODIS chlorophyll in the post-typhoon period increased by about 70% along the typhoon passage. The cold, nutrient-rich waters entrained into the surface layer lead to an enhancement of phytoplankton growth. Typhoon-induced variability of nitrate, phosphate, and silicate at the sea surface of the JES were derived from the MODIS SST using a nutrient-temperature relationship based on in situ measurements. After the passage of the typhoon, there were increases in NO3, PO4, and SiO2 by about 90%, 40%, and 35%, respectively. The nutrient flux brought into the surface water by the storm-induced mixing has the potential to support new production.

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