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Turbulent heat transfer as a control of platelet ice growth in supercooled under-ice ocean boundary layers

التفاصيل البيبلوغرافية
العنوان: Turbulent heat transfer as a control of platelet ice growth in supercooled under-ice ocean boundary layers
المؤلفون: M. G. McPhee, C. L. Stevens, I. J. Smith, N. J. Robinson
المصدر: Ocean Science, Vol 12, Iss 2, Pp 507-515 (2016)
بيانات النشر: Copernicus Publications, 2016.
سنة النشر: 2016
المجموعة: LCC:Geography. Anthropology. Recreation
LCC:Environmental sciences
مصطلحات موضوعية: Geography. Anthropology. Recreation, Environmental sciences, GE1-350
الوصف: Late winter measurements of turbulent quantities in tidally modulated flow under land-fast sea ice near the Erebus Glacier Tongue, McMurdo Sound, Antarctica, identified processes that influence growth at the interface of an ice surface in contact with supercooled seawater. The data show that turbulent heat exchange at the ocean–ice boundary is characterized by the product of friction velocity and (negative) water temperature departure from freezing, analogous to similar results for moderate melting rates in seawater above freezing. Platelet ice growth appears to increase the hydraulic roughness (drag) of fast ice compared with undeformed fast ice without platelets. Platelet growth in supercooled water under thick ice appears to be rate-limited by turbulent heat transfer and that this is a significant factor to be considered in mass transfer at the underside of ice shelves and sea ice in the vicinity of ice shelves.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 1812-0784
1812-0792
Relation: http://www.ocean-sci.net/12/507/2016/os-12-507-2016.pdf; https://doaj.org/toc/1812-0784; https://doaj.org/toc/1812-0792
DOI: 10.5194/os-12-507-2016
URL الوصول: https://doaj.org/article/b60a6843737f4fe482d8b4c14cc67fe9
رقم الأكسشن: edsdoj.b60a6843737f4fe482d8b4c14cc67fe9
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:18120784
18120792
DOI:10.5194/os-12-507-2016