Journal
SCIENTIFIC REPORTS
Volume 7, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41598-017-06584-3
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Funding
- Ministry of Science and Technology, Taiwan (R.O.C.) [100-2119 -M-001-029-MY5]
- project of Eddy roles in marine environmental variability near Taiwan [105-2119-M-110-011-MY2]
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The North Pacific Subtropical Gyre (NPSG) is the largest ecosystem on Earth, and it plays a critical role in global ocean productivity and carbon cycling. Here, we report a rare and striking similar to 2000-km-long phytoplankton bloom that lasted over one month in the western part of the NPSG in summer 2003. The bloom resulted from the co-occurrence of a northward-shifted North Equatorial Current (NEC) supplying additional phosphate, and strong eddy activity that fueled productivity and spread chlorophyll mainly through horizontal stirring. The extensive one-month bloom had a maximum Chl concentration of six times the summer mean value and collectively fixed an additional five teragrams (5 x 10(12) g) of carbon above the summer average. An increase in the pCO(2) during the bloom suggests that most of the additionally fixed carbon was rapidly consumed.
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