Role of surface heat fluxes underneath cold pools

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Role of surface heat fluxes underneath cold pools

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Title: Role of surface heat fluxes underneath cold pools
Author: Gentine, Pierre; Garelli, Alix; Park, Seung‐Bu; Nie, Ji; Torri, Giuseppe; Kuang, Zhiming

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Citation: Gentine, Pierre, Alix Garelli, Seung‐Bu Park, Ji Nie, Giuseppe Torri, and Zhiming Kuang. 2016. “Role of surface heat fluxes underneath cold pools.” Geophysical Research Letters 43 (2): 874-883. doi:10.1002/2015GL067262. http://dx.doi.org/10.1002/2015GL067262.
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Abstract: Abstract The role of surface heat fluxes underneath cold pools is investigated using cloud‐resolving simulations with either interactive or horizontally homogenous surface heat fluxes over an ocean and a simplified land surface. Over the ocean, there are limited changes in the distribution of the cold pool temperature, humidity, and gust front velocity, yet interactive heat fluxes induce more cold pools, which are smaller, and convection is then less organized. Correspondingly, the updraft mass flux and lateral entrainment are modified. Over the land surface, the heat fluxes underneath cold pools drastically impact the cold pool characteristics with more numerous and smaller pools, which are warmer and more humid and accompanied by smaller gust front velocities. The interactive fluxes also modify the updraft mass flux and reduce convective organization. These results emphasize the importance of interactive surface fluxes instead of prescribed flux boundary conditions, as well as the formulation of surface heat fluxes, when studying convection.
Published Version: doi:10.1002/2015GL067262
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4819715/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:26860238
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