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机构地区:[1]LAPC中国科学院大气物理研究所,北京100029
出 处:《地球科学进展》2005年第10期1106-1115,共10页Advances in Earth Science
基 金:中国科学院知识创新工程重大项目"中国陆地和近海生态系统碳收支研究"(编号:KZCX1-SW-01-16);中国科学院"引进国外杰出人才"计划项目"全球环境变化-碳循环研究"资助
摘 要:从最简单的三箱模式开始简要回顾了海洋碳循环模式的发展历史,讨论了不同发展时期各种模式的特点,并指出了海洋吸收大气CO2的能力.近年来全球海洋环流碳循环模式经常使用简单生化过程,而在过程模式和一维模式中较详尽探讨生态系统在海洋碳循环的作用.最新的全球环流碳循模式估计海洋在20世纪80年代每年吸收大气CO2为1.5~2.2 GtC.还讨论了模拟海洋碳循环的现状和存在的问题.使用含显式生态系统的碳循环模式是研究CO2生物地球循环及其对全球变化响应的发展趋势.This paper briefly reviews the history of development of ocean carbon-cycle models from the beginning of the simplest three-box model, discusses the features of various models at different times, and points out the ability of oceanic uptake of atmospheric CO2 In recent years, the global ocean-circulation model of carbon cycle often uses a simple biogeochemical model, while in the process-based model and one-dimensional model the role of ecosystem in the ocean carbon cycle is explored in relative detail. In 1995, the Ocean Carbon-Cycle Model Intercomparison Project (OCMIP) was initiated by IGBP/GAIM. Two phases have been completed. In the second phase, 13 modeling groups participated in the project. Although OCMIP is now in its third phase, some papers from the first or second phase are still in preparation. The newest global ocean-circulation models estimate an annual mean oceanic uptake of 1.5-2.2 GtC of anthropogenic CO2 for the 1980s. In spite of many achievements, which have revealed the basic features of oceanic uptake and distributions of atmospheric CO2, many challenges still reCO2 still needs to be further studied. The use of the carbon cycle model with an explicit ecosystem is a developing trend in the study of biogeochemical cycle of carbon dioxide and its response to global change.
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