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Influence of the intertropical convergence zone on the East Asian monsoon dataset (over the past 16000 years)
CTR :44
Key words Lake Huguang Maar,Magnetic
Relevant data The Asian-Australian monsoon is an important component of the Earth's climate system that influences the societal and economic activity of roughly half the world's population. The past strength of the rain-bearing East Asian summer monsoon can be reconstructed with archives such as cave deposits, but the winter monsoon has no such signature in the hydrological cycle and has thus proved difficult to reconstruct. Here we present high-resolution records of the magnetic properties and the titanium content of the sediments of Lake Huguang Maar in coastal southeast China over the past 16000 years, which we use as proxies for the strength of the winter monsoon winds. We find evidence for stronger winter monsoon winds before the Bølling-Allerød warming, during the Younger Dryas episode and during the middle and late Holocene, when cave stalagmites suggest weaker summer monsoons. We conclude that this anticorrelation is best explained by migrations in the intertropical convergence zone. Similar migrations of the intertropical convergence zone have been observed in Central America for the period ad 700 to 900, suggesting global climatic changes at that time. From the coincidence in timing, we suggest that these migrations in the tropical rain belt could have contributed to the declines of both the Tang dynasty in China and the Classic Maya in Central America.
Data shows that
a. Description of Intellectual Property Rights When using a dataset, please refer to the following documents in the article: Yancheva, G., N.R. Nowaczyk, J. Mingram, P. Dulski, G. Schettler, J.F.W. Negendank, J. Liu, D.M. Sigman, L.C. Peterson, and G.H. Haug. 2007. Influence of the intertropical convergence zone on the East Asian monsoon. Nature, Vol 445, pp. 74-77. doi:10.1038/nature05431 b. The data labels refer to the following specifications: In order to respect intellectual property rights and protect the rights and interests of data contributors and service providers, data users are requested to mark the data sources in the research results (including project evaluation reports, acceptance reports, academic papers and graduation thesis) based on this data, and the references cited in the [Citation Reference], and submit the publicly available results to the "National Earth System Science Data Sharing Platform" Data sources refer to the following specifications: Chinese Expression: 国家科技基础条件平台-国家地球系统科学数据共享平台-东亚古环境科学数据库; English Expression: East Asian Paleoenvironmental Science Database, National Earth System Science Data Sharing Infrastructure, National Science & Technology Infrastructure of China Acknowledgments refer to the following specifications: Acknowledgments in Chinese: 感谢国家科技基础条件平台-国家地球系统科学数据共享平台-东亚古环境科学数据库提供数据支撑。 Acknowledgments in English: Acknowledgement for the data support from " National Earth System Science Data Sharing Infrastructure, National Science & Technology Infrastructure of China, East Asian Paleoenvironmental Science Database. " Iegal liability: The platform owns intellectual property rights protected by the law, including copyrights for all the data products or services and relevant information published by the platform itself or contributed by some data contributors. No unit or individual may copy, modify, transcribing, spread or sell any part of the above data products, services, information or materials in any way or reason without the written permission of this platform. Where the infringement of copyright and other intellectual property rights of the platform, the platform will be held accountable according to law, hereby solemnly declare! c. Contacts Name: Data processing group Email: eapsd@ieecas.cn Tel: 029-62336213
Data collection format Excel
Data classification Geological record - Lakes and oceans
Data source
http://www.ncdc.noaa.gov/paleo/study/5450
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Contact card
Full name: 
ZhaoHL Email: zhaohl@ieecas.cn
Unit: IEECAS Phone: 029-62336213
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