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CO_2 exchange at air-sea interface in the Huanghai Sea 被引量:2
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作者 Dong-Chan Oh mi-kyung +2 位作者 Park Kyung-Ryul Kim (1. Department of Oceanography, Seoul National University, Seoul 151-742, Korea) 《Acta Oceanologica Sinica》 SCIE CAS CSCD 2000年第1期79-89,共11页
During the Huanghai Sea Circulation and Material Flux Expedition in Spring 1996, fco_2 in surface water and atmosphere was measured. The fco2 in surface water varied in a range from 220 to 360 uatm1) while atmospheric... During the Huanghai Sea Circulation and Material Flux Expedition in Spring 1996, fco_2 in surface water and atmosphere was measured. The fco2 in surface water varied in a range from 220 to 360 uatm1) while atmospheric concentration was nearly constant at 360μatm, showing that the Huanghai Sea surface waters were undersaturated with respect to atmospheric Co during the time of investigation. A model was developed in this study in order to estimate the Co flux at the air-sea interface. The model incorporates the time-series variations of the distributions in SST (sea surface temperature), salinity, mixed-layer depth, atmospheric fco2, gas-transfer velocity, and CZCS chlorophyll concentration in the Huanghai Sea and was calibrated with the observed fco2 data. The primary parameter affecting fco2 in surface water is the variation of SST through time. The annual fluxes of Co are estimated as 0. 033 Gt C from the sea into the atmosphere and 0. 044 Gt C from the air into sea. The Huanghai Sea, thus behaves as a CO2 sink absorbing 0. 011 Gi C of CO2 a year. which.corresponds to about 0. 5 % of global oceanic absorption capacity. 展开更多
关键词 Huanghai Sea CO2 exchange air-sea interface
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