Sensitivity of middle Miocene climate and regional monsoon to palaeo-altimetry

You, John and Muller, Dietmar and Sdrolias, Maria and Herold, Nicholas and Ribbe, Joachim (2007) Sensitivity of middle Miocene climate and regional monsoon to palaeo-altimetry. In: 14th National Conference of the Australian Meteorological and Oceanographic Society, 5-8 Feb 2007, Adelaide, Australia.

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Abstract

It is well-known that plate motions and the elevation of mountains belts have played a major role in palaeoclimate evolution. The present day monsoon in southeast Asia and northern Australia is associated with the Tibetan plateau. We investigate how the Miocene Climate Optimum (MCO) developed in response to altimetry changes in Eurasia and South America impacting changes in regional monsoon, wind stress and precipitation. We carried out a number of numerical experiments with alternative paleo-altimetries, using an updated NCAR coupled climate model, CCSM3, and CAM3.1 and CLM3 with slab ocean and ice models, validated with proxies. Our model results explore the sensitivities of regional climate change to plate motions and rising mountain belts as well as sea-level change. Especially, the model simulations ground-truth the monsoon evolution in the southeast Asia, northern Australia and South America.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Speech)
Refereed: No
Item Status: Live Archive
Additional Information: Speech presentation. Conference publication consists of only the abstracts of papers presented at the conference. Abstract only posted here. No evidence of copyright restrictions on web site.
Depositing User: Dr Joachim Ribbe
Faculty / Department / School: Historic - Faculty of Sciences - Department of Biological and Physical Sciences
Date Deposited: 11 Oct 2007 00:53
Last Modified: 02 Jul 2013 22:41
Uncontrolled Keywords: Miocene, climate change, climate modelling, palaeo-climatology, Australia, Miocene Climate Optimum, global warming
Fields of Research (FOR2008): 04 Earth Sciences > 0401 Atmospheric Sciences > 040104 Climate Change Processes
04 Earth Sciences > 0406 Physical Geography and Environmental Geoscience > 040605 Palaeoclimatology
URI: http://eprints.usq.edu.au/id/eprint/1917

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