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1. Identificação
Tipo de ReferênciaArtigo em Revista Científica (Journal Article)
Sitemtc-m21c.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34R/43H2NN2
Repositóriosid.inpe.br/mtc-m21c/2020/11.03.13.57
Repositório de Metadadossid.inpe.br/mtc-m21c/2020/11.03.13.57.12
Última Atualização dos Metadados2022:01.04.01.35.32 (UTC) administrator
DOI10.1175/JAS-D-20-0099.1
ISSN0022-4928
Chave de CitaçãoHernándezPardoMorMacHarLeb:2020:DrSiDi
TítuloDrop size distribution broadening mechanisms in a bin microphysics Eulerian model
Ano2020
Data de Acesso13 maio 2024
Tipo de Trabalhojournal article
Tipo SecundárioPRE PI
2. Contextualização
Autor1 Hernández Pardo, Lianet
2 Morrison, H.
3 Machado, Luiz Augusto Toledo
4 Harrington, J. Y.
5 Lebo, Z. J.
Identificador de Curriculo1
2
3 8JMKD3MGP5W/3C9JHMS
Grupo1 MET-MET-SESPG-INPE-MCTIC-GOV-BR
2
3 DIDSA-CGCPT-INPE-MCTIC-GOV-BR
Afiliação1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 National Center for Atmospheric Research
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Pennsylvania State University
5 University of Wyoming
Endereço de e-Mail do Autor1 lianet.pardo@inpe.br
2
3 luiz.machado@inpe.br
RevistaJournal of the Atmospheric Sciences
Volume77
Número9
Páginas3249-3273
Nota SecundáriaA1_GEOCIÊNCIAS A2_INTERDISCIPLINAR B1_ASTRONOMIA_/_FÍSICA
Histórico (UTC)2020-11-03 13:57:13 :: simone -> administrator ::
2020-11-03 13:57:13 :: administrator -> simone :: 2020
2020-11-03 13:57:55 :: simone -> administrator :: 2020
2022-01-04 01:35:32 :: administrator -> simone :: 2020
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Resumon this study, processes that broaden drop size distributions (DSDs) in Eulerian models with two-moment bin microphysics are analyzed. Numerous tests are performed to isolate the effects of different physical mechanisms that broaden DSDs in two- and three-dimensional Weather Research and Forecasting Model simulations of an idealized ice-free cumulus cloud. Sensitivity of these effects to modifying horizontal and vertical model grid spacings is also examined. As expected, collision-coalescence is a key process broadening the modeled DSDs. In-cloud droplet activation also contributes substantially to DSD broadening, whereas evaporation has only a minor effect and sedimentation has little effect. Cloud dilution (mixing of cloud-free and cloudy air) also broadens the DSDs considerably, whether or not it is accompanied by evaporation. This mechanism involves the reduction of droplet concentration from dilution along the cloud's lateral edges, leading to locally high supersaturation and enhanced drop growth when this air is subsequently lifted in the updraft. DSD broadening ensues when the DSDs are mixed with those from the cloud core. Decreasing the horizontal and vertical model grid spacings from 100 to 30 m has limited impact on the DSDs. However, when these physical broadening mechanisms (in-cloud activation, collision-coalescence, dilution, etc.) are turned off, there is a reduction of DSD width by up to;20%-50% when the vertical grid spacing is decreased from 100 to 30 m, consistent with effects of artificial broadening from vertical numerical diffusion. Nonetheless, this artificial numerical broadening appears to be relatively unimportant overall for DSD broadening when physically based broadening mechanisms in the model are included for this cumulus case.
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5. Fontes relacionadas
Unidades Imediatamente Superiores8JMKD3MGPCW/3F35TRS
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Acervo Hospedeirourlib.net/www/2017/11.22.19.04
6. Notas
Campos Vaziosalternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress format isbn keywords label lineage mark mirrorrepository month nextedition notes numberoffiles orcid parameterlist parentrepositories previousedition previouslowerunit progress project rightsholder schedulinginformation secondarydate secondarykey session shorttitle size sponsor subject targetfile tertiarymark tertiarytype url versiontype
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