YaBeSH Engineering and Technology Library

    • Journals
    • PaperQuest
    • YSE Standards
    • YaBeSH
    • Login
    View Item 
    •   YE&T Library
    • AMS
    • Journal of Physical Oceanography
    • View Item
    •   YE&T Library
    • AMS
    • Journal of Physical Oceanography
    • View Item
    • All Fields
    • Source Title
    • Year
    • Publisher
    • Title
    • Subject
    • Author
    • DOI
    • ISBN
    Advanced Search
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Archive

    Impact of Thermally Driven Turbulence on the Bottom Melting of Ice

    Source: Journal of Physical Oceanography:;2016:;Volume( 046 ):;issue: 004::page 1171
    Author:
    Keitzl, T.
    ,
    Mellado, J. P.
    ,
    Notz, D.
    DOI: 10.1175/JPO-D-15-0126.1
    Publisher: American Meteorological Society
    Abstract: irect numerical simulation and laboratory experiments are used to investigate turbulent convection beneath a horizontal ice?water interface. Scaling laws are derived that quantify the dependence of the melt rate of the ice on the far-field temperature of the water under purely thermally driven conditions. The scaling laws, the simulations, and the laboratory experiments consistently yield that the melt rate increases by two orders of magnitude, from ?101 to ?103 mm day?1, as the far-field temperature increases from 4° to 8°C. The strong temperature dependence of the melt rate is explained by analyzing the vertical structure of the flow: For far-field temperatures below 8°C, the flow features a stably stratified, diffusive layer next to the ice that shields it from the warmer, turbulent outer layer. The stratification in the diffusive layer diminishes as the far-field temperature increases and vanishes for far-field temperatures far above 8°C. Possible implications of these results for ice?ocean interfaces are discussed. The drastic melt-rate increase implies that turbulence needs to be considered in the analysis of ice?water interfaces even in shear-free conditions.
    • Download: (1.740Mb)
    • Show Full MetaData Hide Full MetaData
    • Item Order
    • Go To Publisher
    • Price: 5000 Rial
    • Statistics

      Impact of Thermally Driven Turbulence on the Bottom Melting of Ice

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4227060
    Collections
    • Journal of Physical Oceanography

    Show full item record

    contributor authorKeitzl, T.
    contributor authorMellado, J. P.
    contributor authorNotz, D.
    date accessioned2017-06-09T17:21:37Z
    date available2017-06-09T17:21:37Z
    date copyright2016/04/01
    date issued2016
    identifier issn0022-3670
    identifier otherams-83796.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4227060
    description abstractirect numerical simulation and laboratory experiments are used to investigate turbulent convection beneath a horizontal ice?water interface. Scaling laws are derived that quantify the dependence of the melt rate of the ice on the far-field temperature of the water under purely thermally driven conditions. The scaling laws, the simulations, and the laboratory experiments consistently yield that the melt rate increases by two orders of magnitude, from ?101 to ?103 mm day?1, as the far-field temperature increases from 4° to 8°C. The strong temperature dependence of the melt rate is explained by analyzing the vertical structure of the flow: For far-field temperatures below 8°C, the flow features a stably stratified, diffusive layer next to the ice that shields it from the warmer, turbulent outer layer. The stratification in the diffusive layer diminishes as the far-field temperature increases and vanishes for far-field temperatures far above 8°C. Possible implications of these results for ice?ocean interfaces are discussed. The drastic melt-rate increase implies that turbulence needs to be considered in the analysis of ice?water interfaces even in shear-free conditions.
    publisherAmerican Meteorological Society
    titleImpact of Thermally Driven Turbulence on the Bottom Melting of Ice
    typeJournal Paper
    journal volume46
    journal issue4
    journal titleJournal of Physical Oceanography
    identifier doi10.1175/JPO-D-15-0126.1
    journal fristpage1171
    journal lastpage1187
    treeJournal of Physical Oceanography:;2016:;Volume( 046 ):;issue: 004
    contenttypeFulltext
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian
     
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian