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Twentieth century climate model response and climate sensitivity Jeffrey T. Kiehl1
 

Summary: Twentieth century climate model response and climate sensitivity
Jeffrey T. Kiehl1
Received 19 July 2007; revised 30 August 2007; accepted 13 September 2007; published 28 November 2007.
[1] Climate forcing and climate sensitivity are two key
factors in understanding Earth's climate. There is
considerable interest in decreasing our uncertainty in
climate sensitivity. This study explores the role of these
two factors in climate simulations of the 20th century. It is
found that the total anthropogenic forcing for a wide range
of climate models differs by a factor of two and that the total
forcing is inversely correlated to climate sensitivity. Much
of the uncertainty in total anthropogenic forcing derives
from a threefold range of uncertainty in the aerosol forcing
used in the simulations. Citation: Kiehl, J. T. (2007),
Twentieth century climate model response and climate
sensitivity, Geophys. Res. Lett., 34, L22710, doi:10.1029/
2007GL031383.
1. Introduction
[2] Understanding the climate of the past is an important
aspect to our ability to predict Earth's future climate. Three

  

Source: Ackerman, Thomas P. - Department of Atmospheric Sciences, University of Washington at Seattle

 

Collections: Geosciences; Environmental Sciences and Ecology