A large eddy simulation intercomparison study of shallow cumulus convection
This paper reports an intercomparison study on undisturbed trade wind cumulus convection under steady-state conditions as observed during the Barbados Oceanographic and Meteorological Experiment (BOMEX) with 10 large eddy simulation (LES) models. A main objective of this study is to obtain a quantit...
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| Veröffentlicht in: | Journal of the atmospheric sciences 2003-05, Vol.60 (10), p.1201-1219 |
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| creator | SIEBESMA, A. Pier BRETHERTON, Christopher S SANCHEZ, Enrique STEVENS, Bjorn STEVENS, David E BROWN, Andrew CHLOND, Andreas CUXART, Joan DUYNKERKE, Peter G JIANG, Hongli KHAIROUTDINOV, Marat LEWELLEN, David MOENG, Chin-Hoh |
| description | This paper reports an intercomparison study on undisturbed trade wind cumulus convection under steady-state conditions as observed during the Barbados Oceanographic and Meteorological Experiment (BOMEX) with 10 large eddy simulation (LES) models. A main objective of this study is to obtain a quantitative assessment of the quality of the turbulent dynamics for this type of boundary layer clouds as produced by the different LES codes. A 6-h simulation shows excellent model-to-model agreement of the observed vertical thermodynamical structure, reasonable agreement of variances and turbulent fluxes, and good agreement of quantities conditionally sampled within the model clouds, such as cloud cover, liquid water, and cloud updraft strength. In the second part of this paper the LES dataset is used to evaluate simple models that are used in parameterizations of current general circulation models (GCMs). Finally, the relation of this work to subsequent LES studies of more complicated regimes is discussed, and guidance is given for the design of future observational studies of shallow cumulus boundary layers. |
| doi_str_mv | 10.1175/1520-0469(2003)60<1201:alesis>2.0.co;2 |
| format | Article |
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Pier ; BRETHERTON, Christopher S ; SANCHEZ, Enrique ; STEVENS, Bjorn ; STEVENS, David E ; BROWN, Andrew ; CHLOND, Andreas ; CUXART, Joan ; DUYNKERKE, Peter G ; JIANG, Hongli ; KHAIROUTDINOV, Marat ; LEWELLEN, David ; MOENG, Chin-Hoh</creator><creatorcontrib>SIEBESMA, A. Pier ; BRETHERTON, Christopher S ; SANCHEZ, Enrique ; STEVENS, Bjorn ; STEVENS, David E ; BROWN, Andrew ; CHLOND, Andreas ; CUXART, Joan ; DUYNKERKE, Peter G ; JIANG, Hongli ; KHAIROUTDINOV, Marat ; LEWELLEN, David ; MOENG, Chin-Hoh</creatorcontrib><description>This paper reports an intercomparison study on undisturbed trade wind cumulus convection under steady-state conditions as observed during the Barbados Oceanographic and Meteorological Experiment (BOMEX) with 10 large eddy simulation (LES) models. A main objective of this study is to obtain a quantitative assessment of the quality of the turbulent dynamics for this type of boundary layer clouds as produced by the different LES codes. A 6-h simulation shows excellent model-to-model agreement of the observed vertical thermodynamical structure, reasonable agreement of variances and turbulent fluxes, and good agreement of quantities conditionally sampled within the model clouds, such as cloud cover, liquid water, and cloud updraft strength. In the second part of this paper the LES dataset is used to evaluate simple models that are used in parameterizations of current general circulation models (GCMs). Finally, the relation of this work to subsequent LES studies of more complicated regimes is discussed, and guidance is given for the design of future observational studies of shallow cumulus boundary layers.</description><identifier>ISSN: 0022-4928</identifier><identifier>EISSN: 1520-0469</identifier><identifier>DOI: 10.1175/1520-0469(2003)60<1201:alesis>2.0.co;2</identifier><identifier>CODEN: JAHSAK</identifier><language>eng</language><publisher>Boston, MA: American Meteorological Society</publisher><subject>Boundary layers ; Cloud cover ; Clouds ; Comparative studies ; Convection ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; Meteorology ; Observational studies ; Simulation ; Trade winds ; Turbulence ; Water in the atmosphere (humidity, clouds, evaporation, precipitation) ; Wind</subject><ispartof>Journal of the atmospheric sciences, 2003-05, Vol.60 (10), p.1201-1219</ispartof><rights>2003 INIST-CNRS</rights><rights>Copyright American Meteorological Society May 15, 2003</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c466t-7c29087a4b738cf9271c4dd40070adef2da3ee02551d52620a401772a099ab903</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,3668,27905,27906</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14793998$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>SIEBESMA, A. Pier</creatorcontrib><creatorcontrib>BRETHERTON, Christopher S</creatorcontrib><creatorcontrib>SANCHEZ, Enrique</creatorcontrib><creatorcontrib>STEVENS, Bjorn</creatorcontrib><creatorcontrib>STEVENS, David E</creatorcontrib><creatorcontrib>BROWN, Andrew</creatorcontrib><creatorcontrib>CHLOND, Andreas</creatorcontrib><creatorcontrib>CUXART, Joan</creatorcontrib><creatorcontrib>DUYNKERKE, Peter G</creatorcontrib><creatorcontrib>JIANG, Hongli</creatorcontrib><creatorcontrib>KHAIROUTDINOV, Marat</creatorcontrib><creatorcontrib>LEWELLEN, David</creatorcontrib><creatorcontrib>MOENG, Chin-Hoh</creatorcontrib><title>A large eddy simulation intercomparison study of shallow cumulus convection</title><title>Journal of the atmospheric sciences</title><description>This paper reports an intercomparison study on undisturbed trade wind cumulus convection under steady-state conditions as observed during the Barbados Oceanographic and Meteorological Experiment (BOMEX) with 10 large eddy simulation (LES) models. A main objective of this study is to obtain a quantitative assessment of the quality of the turbulent dynamics for this type of boundary layer clouds as produced by the different LES codes. A 6-h simulation shows excellent model-to-model agreement of the observed vertical thermodynamical structure, reasonable agreement of variances and turbulent fluxes, and good agreement of quantities conditionally sampled within the model clouds, such as cloud cover, liquid water, and cloud updraft strength. In the second part of this paper the LES dataset is used to evaluate simple models that are used in parameterizations of current general circulation models (GCMs). Finally, the relation of this work to subsequent LES studies of more complicated regimes is discussed, and guidance is given for the design of future observational studies of shallow cumulus boundary layers.</description><subject>Boundary layers</subject><subject>Cloud cover</subject><subject>Clouds</subject><subject>Comparative studies</subject><subject>Convection</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Meteorology</subject><subject>Observational studies</subject><subject>Simulation</subject><subject>Trade winds</subject><subject>Turbulence</subject><subject>Water in the atmosphere (humidity, clouds, evaporation, precipitation)</subject><subject>Wind</subject><issn>0022-4928</issn><issn>1520-0469</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kU1r3DAQhkVoodtt_4MJ9CMHb0cj2bKaUFiWpA1dyCHtWSiy3DporY3GTsi_j0xCCjlUl0HDM-98vIytOKw4V9UXXiGUIGv9GQHEUQ0nHIF_tcFTT99wBSsXj_GALZ7BV2wBgFhKjc0b9pboGvJDxRfs57oINv3xhW_b-4L63RTs2Meh6IfRJxd3e5t6yn8apwzErqC_NoR4V7gpsxMVLg633s0179jrzgby75_ikv0-O_21-VFuL76fb9bb0sm6HkvlUEOjrLxSonGdznM42bYSQIFtfYetFd4DVhVvK6wRrASuFFrQ2l5pEEv26VF3n-LN5Gk0u56cD8EOPk5klBSoRNWoTH78L4lccuDQZPDwBXgdpzTkLQyKulJSCpGhs0fIpUiUfGf2qd_ZdG84mNkaM1_czBc3szWmzulsjVlvTy_PLw0aMJuLLLhkH566WXI2dMkOrqd_alJpoXUjHgCYeZHG</recordid><startdate>20030515</startdate><enddate>20030515</enddate><creator>SIEBESMA, A. 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Pier ; BRETHERTON, Christopher S ; SANCHEZ, Enrique ; STEVENS, Bjorn ; STEVENS, David E ; BROWN, Andrew ; CHLOND, Andreas ; CUXART, Joan ; DUYNKERKE, Peter G ; JIANG, Hongli ; KHAIROUTDINOV, Marat ; LEWELLEN, David ; MOENG, Chin-Hoh</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c466t-7c29087a4b738cf9271c4dd40070adef2da3ee02551d52620a401772a099ab903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Boundary layers</topic><topic>Cloud cover</topic><topic>Clouds</topic><topic>Comparative studies</topic><topic>Convection</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>External geophysics</topic><topic>Meteorology</topic><topic>Observational studies</topic><topic>Simulation</topic><topic>Trade winds</topic><topic>Turbulence</topic><topic>Water in the atmosphere (humidity, clouds, evaporation, precipitation)</topic><topic>Wind</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>SIEBESMA, A. 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Pier</au><au>BRETHERTON, Christopher S</au><au>SANCHEZ, Enrique</au><au>STEVENS, Bjorn</au><au>STEVENS, David E</au><au>BROWN, Andrew</au><au>CHLOND, Andreas</au><au>CUXART, Joan</au><au>DUYNKERKE, Peter G</au><au>JIANG, Hongli</au><au>KHAIROUTDINOV, Marat</au><au>LEWELLEN, David</au><au>MOENG, Chin-Hoh</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A large eddy simulation intercomparison study of shallow cumulus convection</atitle><jtitle>Journal of the atmospheric sciences</jtitle><date>2003-05-15</date><risdate>2003</risdate><volume>60</volume><issue>10</issue><spage>1201</spage><epage>1219</epage><pages>1201-1219</pages><issn>0022-4928</issn><eissn>1520-0469</eissn><coden>JAHSAK</coden><abstract>This paper reports an intercomparison study on undisturbed trade wind cumulus convection under steady-state conditions as observed during the Barbados Oceanographic and Meteorological Experiment (BOMEX) with 10 large eddy simulation (LES) models. A main objective of this study is to obtain a quantitative assessment of the quality of the turbulent dynamics for this type of boundary layer clouds as produced by the different LES codes. A 6-h simulation shows excellent model-to-model agreement of the observed vertical thermodynamical structure, reasonable agreement of variances and turbulent fluxes, and good agreement of quantities conditionally sampled within the model clouds, such as cloud cover, liquid water, and cloud updraft strength. In the second part of this paper the LES dataset is used to evaluate simple models that are used in parameterizations of current general circulation models (GCMs). Finally, the relation of this work to subsequent LES studies of more complicated regimes is discussed, and guidance is given for the design of future observational studies of shallow cumulus boundary layers.</abstract><cop>Boston, MA</cop><pub>American Meteorological Society</pub><doi>10.1175/1520-0469(2003)60<1201:alesis>2.0.co;2</doi><tpages>19</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of the atmospheric sciences, 2003-05, Vol.60 (10), p.1201-1219 |
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| source | American Meteorological Society; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Boundary layers Cloud cover Clouds Comparative studies Convection Earth, ocean, space Exact sciences and technology External geophysics Meteorology Observational studies Simulation Trade winds Turbulence Water in the atmosphere (humidity, clouds, evaporation, precipitation) Wind |
| title | A large eddy simulation intercomparison study of shallow cumulus convection |
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