You, John Y. and Muller, Dietmar and Huber, Matthew and Otto-Bliesner, Bette and Poulsen, Chris and Sdrolias, Maria and Ribbe, Joachim (2006) Sensitivity study of the role of vegetation in miocene climate change. In: American Geophysical Union Western Pacific Geophysics Meeting 2006, 24-27 Jul 2006, Beijing, China.
The Miocene Climate Optimum (MCO) at 15ma is a geologically recent warming event with a temperature of 3-5C higher than today but with atmospheric CO2 only about half its present value. Study of the MCO has implications for present day climate research to elucidate factors other than CO2 which may contribute to current global warming. Here we attempt to study the role of vegetation which can potentially contribute about 2C warming to the MCO. We develop a novel methodology to merge oceanic palaeo-bathymetry grids with continental palaeo-topography grids to produce Miocene boundary condition for palaeoclimate modelling and apply updated NCAR coupled climate models, CCSM3 and CAM3.1. In this presentation, we show recent results of our model simulations inferred from modern conditions and proxies.
|Item Type:||Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)|
|Additional Information:||Abstract only available.|
|Uncontrolled Keywords:||climate modelling; miocene climate optimum; paleoclimatology; carbon dioxide; global temperature; vegetation|
|Subjects:||260000 Earth Sciences > 260600 Atmospheric Sciences > 260602 Climatology (incl. Palaeoclimatology)|
|Depositing User:||Dr Joachim Ribbe|
|Date Deposited:||11 Oct 2007 00:36|
|Last Modified:||22 Nov 2013 03:16|
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