Indian summer monsoon during the last two millennia

Anderson, David M. ; Baulcomb, Corinne K. ; Duvivier, Alice K. ; Gupta, Anil K. (2010) Indian summer monsoon during the last two millennia Journal of Quaternary Science, 25 (6). pp. 911-917. ISSN 0267-8179

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The monsoon is a large-scale feature of the tropical atmospheric circulation, affecting people and economies in the world's most densely populated regions. Future trends due to natural variability and human-induced climate changes are uncertain. Palaeoclimate records can improve our understanding of monsoon dynamics and thereby reduce this uncertainty. Palaeoclimate records have revealed a dramatic decrease in the Asian summer monsoon since the early Holocene maximum 9 ka BP. Here we focus on the last 2 ka, where some records indicate an increasing trend in the summer monsoon. Analysing Globigerina bulloides upwelling records from the Arabian Sea, we find the weakest monsoon occurred 1500 a BP, with an increasing trend towards the present.

Item Type:Article
Source:Copyright of this article belongs to Quaternary Research Association.
Keywords:Monsoon; Holocene; Tropics; India; Arabian Sea
ID Code:21930
Deposited On:23 Nov 2010 09:01
Last Modified:02 Jun 2011 10:27

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