Mathematics – Logic
Scientific paper
Mar 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3205606h&link_type=abstract
Geophysical Research Letters, Volume 32, Issue 5, CiteID L05606
Mathematics
Logic
Oceanography: General: Climate And Interannual Variability (1616, 1635, 3305, 3309, 4513), Oceanography: General: Arctic And Antarctic Oceanography (9310, 9315), Oceanography: Biological And Chemical: Phytoplankton, Oceanography: Physical: Enso (4922)
Scientific paper
The variation in the phytoplankton biomass over a decadal time scale, and its relationship with the Antarctic Circumpolar Wave (ACW) and climate change, has been poorly interpreted because of the limited satellite chlorophyll a (chl a) data compared with the physical parameters from satellite. We analyzed a long-term chl a data set along the Japanese Antarctic Research Expedition (JARE) cruise tracks since 1965 to investigate inter-annual variation of phytoplankton biomass. In the Southern Ocean, increasing trends of chl a and the spreading of higher chl a area to the north with 3-7 year cycles were found. Although relationships between the decadal change in chl a and climate change such as variation of sea ice extent and the El Niño are still obscure, large variation of primary production in proportion to the chl a is implied.
Fukuchi Mitsuo
Hirawake Toru
Odate Tsuneo
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