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Hurricane Footprints in Global Climate Models

Institute of Environmental Sciences, Faculty of Environmental Sciences, University of Castilla-La Mancha, Toledo, Spain
Entropy 2008, 10(4), 613-620; https://doi.org/10.3390/e10040613
Received: 23 September 2008 / Revised: 9 November 2008 / Accepted: 10 November 2008 / Published: 13 November 2008
This paper addresses the identification of hurricanes in low-resolution global climate models (GCM). As hurricanes are not fully resolvable at the coarse resolution of the GCMs (typically 2.5 × 2.5 deg), indirect methods such as analyzing the environmental conditions favoring hurricane formation have to be sought. Nonetheless, the dynamical cores of the models have limitations in simulating hurricane formation, which is a far from fully understood process. Here, it is shown that variations in the specific entropy rather than in dynamical variables can be used as a proxy of the hurricane intensity as estimated by the Accumulated Cyclone Energy (ACE). The main application of this research is to ascertain the changes in the hurricane frequency and intensity in future climates. View Full-Text
Keywords: Specific entropy; climate models; hurricane Specific entropy; climate models; hurricane
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Tapiador, F.J. Hurricane Footprints in Global Climate Models. Entropy 2008, 10, 613-620.

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