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Biogeochemical processes play an important role in ocean environments and can affect the entire Earth's climate system. Using an ocean-biogeochemistry model (NEMO-TOPAZ), we investigated the effects of changes in albedo and wind stress caused by phytoplankton in the equatorial Pacific. The simulated ocean temperature showed a slight decrease when the solar reflectance of the regions where phytoplankton were present increased. Phytoplankton also decreased the El $Ni{\tilde{n}}o$-Southern Oscillation (ENSO) amplitude by decreasing the influence of trade winds due to their biological enhancement of upper-ocean turbulent viscosity. Consequently, the cold sea surface temperature bias in the equatorial Pacific and overestimation of the ENSO amplitude were slightly reduced in our model simulations. Further sensitivity tests suggested the necessity of improving the phytoplankton-related equation and optimal coefficients. Our results highlight the effects of altered albedo and wind stress due to phytoplankton on the climate system.
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참고문헌 (23)
참고문헌 신청
ARCCSS / MOM5 input data, Australian Research Council’s Centre of Excellence for Climate System Science
Arrigo, K. R. / 1999 / Phytoplankton community structure and the drawdown of nutrients and co2 in the Southern Ocean / Science 283:365~367
Hans Burchard / 2006 / Description of a flexible and extendable physical–biogeochemical model system for the water column / Journal of Marine Systems 61(3-4):180~211
E. L. Deacon / 1979 / The role of coral mucus in reducing the wind drag over coral reefs / Boundary-Layer Meteorology 17(4):517~521
John P. Dunne / 2013 / GFDL’s ESM2 Global Coupled Climate–Carbon Earth System Models. Part II: Carbon System Formulation and Baseline Simulation Characteristics / Journal of Climate 26(7):2247~2267
Arrigo, K. R. / 1999 / Phytoplankton community structure and the drawdown of nutrients and co2 in the Southern Ocean / Science 283:365~367
Hans Burchard / 2006 / Description of a flexible and extendable physical–biogeochemical model system for the water column / Journal of Marine Systems 61(3-4):180~211
E. L. Deacon / 1979 / The role of coral mucus in reducing the wind drag over coral reefs / Boundary-Layer Meteorology 17(4):517~521
John P. Dunne / 2013 / GFDL’s ESM2 Global Coupled Climate–Carbon Earth System Models. Part II: Carbon System Formulation and Baseline Simulation Characteristics / Journal of Climate 26(7):2247~2267
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