Arctic Ocean Primary Productivity: The Response of Marine Algae to Climate Warming and Sea Ice Decline

Frey, KE ; Comiso, J C ; Cooper, LW ; Grebmeier, JM ; Stock, Larry V

关键词: ALGAE;    ARCTIC OCEAN;    SEA ICE;    PLANKTON;    TRENDS;    MARINE BIOLOGY;    ESTIMATES;    CLIMATE CHANGE;   

RP-ID  :  GSFC-E-DAA-TN72863

美国|英语

来源: NASA Technical Reports Server

【 摘 要 】

Highlights: 1. Satellite estimates of ocean primary productivity (i.e., the rate at which marine algae transform dissolved inorganic carbon into organic material) were higher in 2018 (relative to the 2003-17 mean) for three of the nine investigated regions (the Eurasian Arctic, Bering Sea, and Baffin Bay). 2. All regions continue to exhibit positive trends over the 2003-18 period, with the strongest trends for the Eurasian Arctic, Barents Sea, Greenland Sea, and North Atlantic. 3. The regional distribution of relatively high (low) chlorophyll-a concentrations can often be associated with a relatively early (late) breakup of sea ice cover.