| Responses of CO2 in surface water in subtropical West Pacific to El Niño event |
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| 作者姓名： | Xing Runan Ma Liming Qiao Ran Wang Zhanggui |
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| 作者单位： | Xing Runan(Training Center of Chinese Meteorological Administration, Beijing 100081, China);Ma Liming,Qiao Ran,Wang Zhanggui(National Research Center for Marine Environmental Forecasts, State Oceanic Administration, Beijing 100081, China)
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | In order to investigate the relationships between the change of TCO2, △PCO2 and SST, current, upwelling and biological activities during El Nin(～)o event in the subtropical Pacific, the responses of TCO2 and △PCO2 in surface water in the subtropical Pacific during El Nin(～)o and La Nina have been simulated using a three-dimension carbon cycle model with biota pump. The results of numerical simulations show that TCO2 in sea water increases with reducing of SST during mature phase of El Nin(～)o in the subtropical West Pacific . At the same period , the Kuroshio in this region was weakened , the zonal currents were divergence , the upwelling carried the water with high concentrations of CO2 to the sea surface , so both of TCO2 and △PCO2 in surface water were increased . But TCO2 and △pCO2 were decreased during La Nina period. These simulated results confirmed the observations in 1982/1983 , 1986/1987 ,1991/1995 and 1997/1998 El Nin(～)o events .
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| 关 键 词： | El Nin(～)o |
| 收稿时间： | 1999/5/17 0:00:00 |
| 修稿时间： | 2000/11/23 0:00:00 |
Responses of CO2 in surface water in subtropical West Pacific to El Niño event |
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| Xing Runan,Ma Liming,Qiao Ran,Wang Zhanggui.Responses of CO2 in surface water in subtropical West Pacific to El Niño event[J].Acta Oceanologica Sinica,2001,20(1):39-50. |
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| Authors: | Xing Runan Ma Liming Qiao Ran and Wang Zhanggui |
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| Institution: | 1.Training Center of Chinese Meteorological Administration, Beijing 100081, China2.National Research Center for Marine Environmental Forecasts, State Oceanic Administration, Beijing 100081, China |
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| Abstract: | In order to investigate the relationships between the change of TCO2, △PCO2 and SST, current, upwelling and biological activities during El Nin(～)o event in the subtropical Pacific, the responses of TCO2 and △PCO2 in surface water in the subtropical Pacific during El Nin(～)o and La Nina have been simulated using a three-dimension carbon cycle model with biota pump. The results of numerical simulations show that TCO2 in sea water increases with reducing of SST during mature phase of El Nin(～)o in the subtropical West Pacific . At the same period , the Kuroshio in this region was weakened , the zonal currents were divergence , the upwelling carried the water with high concentrations of CO2 to the sea surface , so both of TCO2 and △PCO2 in surface water were increased . But TCO2 and △pCO2 were decreased during La Nina period. These simulated results confirmed the observations in 1982/1983 , 1986/1987 ,1991/1995 and 1997/1998 El Nin(～)o events . |
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| Keywords: | CO2 the subtropical West Pacific |
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