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Effect of precession on the Asian summer monsoon evolution: A systematic review
  • ISSN号:1001-6538
  • 期刊名称:Chinese Science Bulletin
  • 时间:0
  • 页码:3720-3730
  • 分类:N94[自然科学总论—系统科学] P434.5[天文地球—大气科学及气象学]
  • 作者机构:[1]State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China, [2]Graduate University of Chinese Academy of Sciences, Beijing 100049, China
  • 相关基金:Supported by the NSFC National Excellent Young Scientists Fund (Grant No. 40825008) and National Basic Research Program of China (Grant No. 2004CB- 720208)
  • 相关项目:古气候模拟
中文摘要:

曝晒强迫地球的领前导致的亚洲夏天季风气候变化上的地质的气候的记录和模型模拟系统地在这篇论文被考察。在领前乐队,当前存在的争论和未来研究方向的亚洲季风进化的机制上的问题的演讲被讨论。自从 1980 年代初,越来越观察的证据和模仿的结果,特别绝对过时的石笋记录,轨道规模的短暂模型在最后几年里跑,显示了在第四级的季风气候变化的 quasi-20ka 时期被领前引起。然而,争论仍然在动态机制上存在领前怎么影响亚洲季风。“假设说的零个阶段”当时,亚洲季风被夏天曝晒仅仅在北半球(NH ) 控制“潜伏的热”假设从南部的半球强调潜伏的热运输的主导的效果(嘘) 除北曝晒的角色以外。二个假设被一些证据独立支持了。尽管我们北太阳的放射的重要性和南部的曝晒的遥远的效果是识的,它仍然有一条长路在包括地理解亚洲季风的进化机制以前,去。鉴于在领前规模在季风主导的气候变化的现在的研究存在的问题,我们建议那在地质的季风代理的环境意义上学习,在长期的短暂模拟的反馈过程并且内部在观察之间的比较和当模特儿的结果以后应该被加强。

英文摘要:

Geological climatic records and model simulations on the Asian summer monsoon climate change induced by insolation forcing of the Earth's precession are systematically reviewed in this paper. The presentation of the questions on the mechanism of the Asian monsoon evolution at the precession band, currently existing debates and future research directions are discussed. Since the early 1980s, more and more observed evidence and simulated results, especially the absolute-dated stalagmite records and orbital-scale transient model runs in the last few years, have indicated that the quasi-20ka period in the Quaternary monsoon climate change is caused by precession. However, debates still exist on the dynamic mechanism how precession affects the Asian monsoon. The "zero phase" hypothesis says that the Asian monsoon is merely controlled by summer insolation in the Northern Hemisphere (NH) while the "latent heat" hypothesis emphasizes the dominant effect of latent heat transport from the Southern Hemisphere (SH) besides the role of the northern insolation. The two hypotheses have separately been supported by some evidence. Although we are cognizant of the importance of northern solar radiation and the remote effect of southern insolation, it has still a long way to go before comprehensively understanding the evolutionary mechanism of the Asian monsoon. In view of the problems existing in present researches of monsoon-dominated climate change at the precession scale, we propose that studies on the environmental significance of geological monsoon proxies, feedback processes in the long-term transient simulations and intercomparisons between observations and modeling results should be strengthened in the future.

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