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dc.contributor.authorCronin, Timothy Wallace
dc.contributor.authorMolnar, Peter H.
dc.contributor.authorEmanuel, Kerry Andrew
dc.date.accessioned2015-10-06T16:50:19Z
dc.date.available2015-10-06T16:50:19Z
dc.date.issued2014-11
dc.date.submitted2014-08
dc.identifier.issn00359009
dc.identifier.issn1477-870X
dc.identifier.urihttp://hdl.handle.net/1721.1/99153
dc.description.abstractTo understand why tropical islands are rainier than nearby ocean areas, we explore how a highly idealized island, which differs from the surrounding ocean only in heat capacity, might respond to the diurnal cycle and influence the tropical climate, especially the spatial distribution of rainfall and the thermal structure of the troposphere. We perform simulations of three-dimensional radiative-convective equilibrium with the System for Atmospheric Modeling (SAM) cloud-system-resolving model, with interactive surface temperature, where a highly idealized, low heat capacity circular island is embedded in a slab-ocean domain. The calculated precipitation rate over the island can be more than double the domain average value, with island rainfall occurring primarily in an intense, regular thunderstorm system that forms in the afternoon to early evening each day. Island size affects the magnitude of simulated island rainfall enhancement, the intensity of the convection, and the timing of the rainfall maximum relative to solar noon. A combination of dynamic and thermodynamic mechanisms leads to a monotonic enhancement of domain-averaged tropospheric temperature with increasing fraction of island surface, which may contribute to localization of ascent over the Maritime Continent and its relationship to the Walker Circulation.en_US
dc.description.sponsorshipNational Science Foundation (U.S.) (Grant AGS 1136466)en_US
dc.description.sponsorshipNational Science Foundation (U.S.) (Grant AGS 1136480)en_US
dc.language.isoen_US
dc.publisherWiley Blackwellen_US
dc.relation.isversionofhttp://dx.doi.org/10.1002/qj.2443en_US
dc.rightsCreative Commons Attribution-Noncommercial-Share Alikeen_US
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/en_US
dc.sourceProf. Emanuel via Chris Sherratten_US
dc.titleIsland precipitation enhancement and the diurnal cycle in radiative-convective equilibriumen_US
dc.typeArticleen_US
dc.identifier.citationCronin, Timothy W., Kerry A. Emanuel, and Peter Molnar. “Island Precipitation Enhancement and the Diurnal Cycle in Radiative-Convective Equilibrium.” Q.J.R. Meteorol. Soc. 141, no. 689 (November 7, 2014): 1017–1034.en_US
dc.contributor.departmentMassachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciencesen_US
dc.contributor.departmentMassachusetts Institute of Technology. Program in Atmospheres, Oceans, and Climateen_US
dc.contributor.departmentWoods Hole Oceanographic Institutionen_US
dc.contributor.approverEmanuel, Kerry Andrewen_US
dc.contributor.mitauthorEmanuel, Kerry Andrewen_US
dc.relation.journalQuarterly Journal of the Royal Meteorological Societyen_US
dc.eprint.versionAuthor's final manuscripten_US
dc.type.urihttp://purl.org/eprint/type/JournalArticleen_US
eprint.statushttp://purl.org/eprint/status/PeerRevieweden_US
dspace.orderedauthorsCronin, Timothy W.; Emanuel, Kerry A.; Molnar, Peteren_US
dc.identifier.orcidhttps://orcid.org/0000-0002-2066-2082
mit.licenseOPEN_ACCESS_POLICYen_US
mit.metadata.statusComplete


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