| Oceanic iron fertilization: one of strategies for sequestration atmospheric CO2 |
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| 引用本文： | Song Jinming. Oceanic iron fertilization: one of strategies for sequestration atmospheric CO2[J]. 海洋学报(英文版), 2003, 22(1): 57-68 |
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| 作者姓名： | Song Jinming |
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| 作者单位： | Song Jinming Marine Ecology and Environmental Science Lab，Institute of Oceanology，Chinese Academy of Sciences，Qingdao 266071，China |
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| 基金项目： | This study was supported by the National Science Foundation for Outstanding Young Scientists of China under contract No.49925614 and the Science Innovation Key Project of the Chinese Academy of Sciences under contract Nos KZCX1-SW-01-08 and KZCX1-SW-01-1 |
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| 摘 要： | Carbon cycle is connected with the most important environmental issue of Global Change.As one of the major carbon reservoirs, oceans play an important part in the carbon cycle. In recent years, iron seems to give us a good news that oceanic iron fertilization could stimulate biological productivity as CO2 sink of human-produced CO2. Oceanic iron fertilization experiments have verified that adding iron into high nutrient low chlorophyll (HNLC) seawaters can increase phytoplankton production and export organic carbon, and hence increase carbon sink of anthropogenic CO2, to reduce global warming. In sixty days, the export organic carbon could reach 10 000 times for adding iron by model prediction and in situ experiment, i.e. the atmospheric CO2 uptake and inorganic carbon drawdown in upper seawaters also have the same magnitude. Therefore, oceanic iron fertilization is one of the strategies for increasing carbon sink of anthropogenic CO2. The paper is focused on the iron fertilization, especially in situ o
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| 关 键 词： | Iron fertilization phytoplankton production export organic carbon CO2 sink |
| 收稿时间： | 2002-07-25 |
| 修稿时间： | 2002-08-10 |
Oceanic iron fertilization: one of strategies for sequestration atmospheric CO2 |
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| Song Jinming. Oceanic iron fertilization: one of strategies for sequestration atmospheric CO2[J]. Acta Oceanologica Sinica, 2003, 22(1): 57-68 |
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| Authors: | Song Jinming |
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| Affiliation: | Marine Ecology and Environmental Science Lab, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China |
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| Abstract: | Carbon cycle is connected with the most important environmental issue of Global Change.As one of the major carbon reservoirs, oceans play an important part in the carbon cycle. In recent years, iron seems to give us a good news that oceanic iron fertilization could stimulate biological productivity as CO2 sink of human-produced CO2. Oceanic iron fertilization experiments have verified that adding iron into high nutrient low chlorophyll (HNLC) seawaters can increase phytoplankton production and export organic carbon, and hence increase carbon sink of anthropogenic CO2, to reduce global warming. In sixty days, the export organic carbon could reach 10 000 times for adding iron by model prediction and in situ experiment, i.e. the atmospheric CO2 uptake and inorganic carbon drawdown in upper seawaters also have the same magnitude. Therefore, oceanic iron fertilization is one of the strategies for increasing carbon sink of anthropogenic CO2. The paper is focused on the iron fertilization, especially in situ ocean iron experiments in order that the future research is more efficient. |
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| Keywords: | Iron fertilization phytoplankton production export organic carbon CO2 sink |
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