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    Overview of the HI-SCALE Field Campaign: A New Perspective on Shallow Convective Clouds

    Source: Bulletin of the American Meteorological Society:;2018:;volume 100:;issue 005::page 821
    Author:
    Fast, Jerome D.
    ,
    Berg, Larry K.
    ,
    Alexander, Lizbeth
    ,
    Bell, David
    ,
    D’Ambro, Emma
    ,
    Hubbe, John
    ,
    Kuang, Chongai
    ,
    Liu, Jiumeng
    ,
    Long, Chuck
    ,
    Matthews, Alyssa
    ,
    Mei, Fan
    ,
    Newsom, Rob
    ,
    Pekour, Mikhail
    ,
    Pinterich, Tamara
    ,
    Schmid, Beat
    ,
    Schobesberger, Siegfried
    ,
    S
    DOI: 10.1175/BAMS-D-18-0030.1
    Publisher: American Meteorological Society
    Abstract: AbstractShallow convective clouds are common, occurring over many areas of the world, and are an important component in the atmospheric radiation budget. In addition to synoptic and mesoscale meteorological conditions, land?atmosphere interactions and aerosol?radiation?cloud interactions can influence the formation of shallow clouds and their properties. These processes exhibit large spatial and temporal variability and occur at the subgrid scale for all current climate, operational forecast, and cloud-system-resolving models; therefore, they must be represented by parameterizations. Uncertainties in shallow cloud parameterization predictions arise from many sources, including insufficient coincident data needed to adequately represent the coupling of cloud macrophysical and microphysical properties with inhomogeneity in the surface-layer, boundary layer, and aerosol properties. Predictions of the transition of shallow to deep convection and the onset of precipitation are also affected by errors in simulated shallow clouds. Coincident data are a key factor needed to achieve a more complete understanding of the life cycle of shallow convective clouds and to develop improved model parameterizations. To address these issues, the Holistic Interactions of Shallow Clouds, Aerosols and Land Ecosystems (HI-SCALE) campaign was conducted near the Atmospheric Radiation Measurement (ARM) Southern Great Plains site in north-central Oklahoma during the spring and summer of 2016. We describe the scientific objectives of HI-SCALE as well as the experimental approach, overall weather conditions during the campaign, and preliminary findings from the measurements. Finally, we discuss scientific gaps in our understanding of shallow clouds that can be addressed by analysis and modeling studies that use HI-SCALE data.
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      Overview of the HI-SCALE Field Campaign: A New Perspective on Shallow Convective Clouds

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4263727
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    contributor authorFast, Jerome D.
    contributor authorBerg, Larry K.
    contributor authorAlexander, Lizbeth
    contributor authorBell, David
    contributor authorD’Ambro, Emma
    contributor authorHubbe, John
    contributor authorKuang, Chongai
    contributor authorLiu, Jiumeng
    contributor authorLong, Chuck
    contributor authorMatthews, Alyssa
    contributor authorMei, Fan
    contributor authorNewsom, Rob
    contributor authorPekour, Mikhail
    contributor authorPinterich, Tamara
    contributor authorSchmid, Beat
    contributor authorSchobesberger, Siegfried
    contributor authorS
    date accessioned2019-10-05T06:53:01Z
    date available2019-10-05T06:53:01Z
    date copyright12/5/2018 12:00:00 AM
    date issued2018
    identifier otherBAMS-D-18-0030.1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4263727
    description abstractAbstractShallow convective clouds are common, occurring over many areas of the world, and are an important component in the atmospheric radiation budget. In addition to synoptic and mesoscale meteorological conditions, land?atmosphere interactions and aerosol?radiation?cloud interactions can influence the formation of shallow clouds and their properties. These processes exhibit large spatial and temporal variability and occur at the subgrid scale for all current climate, operational forecast, and cloud-system-resolving models; therefore, they must be represented by parameterizations. Uncertainties in shallow cloud parameterization predictions arise from many sources, including insufficient coincident data needed to adequately represent the coupling of cloud macrophysical and microphysical properties with inhomogeneity in the surface-layer, boundary layer, and aerosol properties. Predictions of the transition of shallow to deep convection and the onset of precipitation are also affected by errors in simulated shallow clouds. Coincident data are a key factor needed to achieve a more complete understanding of the life cycle of shallow convective clouds and to develop improved model parameterizations. To address these issues, the Holistic Interactions of Shallow Clouds, Aerosols and Land Ecosystems (HI-SCALE) campaign was conducted near the Atmospheric Radiation Measurement (ARM) Southern Great Plains site in north-central Oklahoma during the spring and summer of 2016. We describe the scientific objectives of HI-SCALE as well as the experimental approach, overall weather conditions during the campaign, and preliminary findings from the measurements. Finally, we discuss scientific gaps in our understanding of shallow clouds that can be addressed by analysis and modeling studies that use HI-SCALE data.
    publisherAmerican Meteorological Society
    titleOverview of the HI-SCALE Field Campaign: A New Perspective on Shallow Convective Clouds
    typeJournal Paper
    journal volume100
    journal issue5
    journal titleBulletin of the American Meteorological Society
    identifier doi10.1175/BAMS-D-18-0030.1
    journal fristpage821
    journal lastpage840
    treeBulletin of the American Meteorological Society:;2018:;volume 100:;issue 005
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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