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Kang, Sarah M.
Climate Dynamics Lab
Research Interests
  • Climate change, ITCZ, Atmospheric general circulation, Polar amplification


Tropical precipitation, SSTs and the surface energy budget: a zonally symmetric perspective

DC Field Value Language Kang, Sarah M. ko Held, Isaac M. ko 2014-11-05T02:03:47Z - 2014-11-04 ko 2012-05 -
dc.identifier.citation CLIMATE DYNAMICS, v.38, no.9-10, pp.1917 - 1924 ko
dc.identifier.issn 0930-7575 ko
dc.identifier.uri -
dc.identifier.uri ko
dc.description.abstract The relative importance of sea surface temperatures (SSTs) and the surface energy budget to tropical precipitation is examined by comparing models with zonally symmetric climates, both fixed SST and coupled to a slab mixed layer ocean. Two models are considered with differing surface flux formulations and in each case solutions that are symmetric about the equator are perturbed to create interhemispheric asymmetry. When SSTs are prescribed in the two models with different flux formulations, the magnitude of tropical precipitation response to identical SST anomalies is significantly different, but the differences can be understood in terms of the altered surface fluxes. In contrast, when the net surface energy fluxes are constrained to be identical in mixed layer simulations of the two different models, the response of tropical precipitation to perturbations in the surface energy balance is very similar. Both perspectives predict qualitatively the same precipitation response, but the energy budget better predicts the magnitude of the precipitation response. Thus, we argue that the atmospheric energy budget, controlled in these experiments primarily by the surface energy budget, is more fundamental to the control of tropical precipitation than the SSTs, in these simulations with axisymmetric climates. We touch briefly on a complication in the interpretation of the model results due to the fact that fixed SST and slab-ocean versions of the model can produce different Hadley cell strengths for the same SSTs. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher SPRINGER ko
dc.subject Atmospheric energy budget ko
dc.subject Sea surface temperatures ko
dc.subject Tropical precipitation ko
dc.subject Zonally symmetric ko
dc.title Tropical precipitation, SSTs and the surface energy budget: a zonally symmetric perspective ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84860339207 ko
dc.identifier.wosid 000303448300014 ko
dc.type.rims ART ko
dc.description.wostc 11 *
dc.description.scopustc 6 * 2015-05-06 * 2014-11-04 *
dc.identifier.doi 10.1007/s00382-011-1048-7 ko
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