Sea Ice Thickness Distribution in the Arctic Ocean

The article of record as published may be found at https://doi.org/10.1121/1.414657 Structural characteristics of transitionally rough and fully rough turbulent boundary layers are presented. These were measured in flows at different roughness Reynolds numbers developing over uniform spheres roughne...

Full description

Bibliographic Details
Main Authors: Bourke, Robert H., Garrett, Robert P.
Other Authors: Naval Postgraduate School (U.S.)
Format: Article in Journal/Newspaper
Language:unknown
Published: Elsevier 1987
Subjects:
Online Access:https://hdl.handle.net/10945/62208
id ftnavalpschool:oai:calhoun.nps.edu:10945/62208
record_format openpolar
spelling ftnavalpschool:oai:calhoun.nps.edu:10945/62208 2024-06-09T07:42:20+00:00 Sea Ice Thickness Distribution in the Arctic Ocean Bourke, Robert H. Garrett, Robert P. Naval Postgraduate School (U.S.) 1987 22 p. application/pdf https://hdl.handle.net/10945/62208 unknown Elsevier Bourke, Robert H., and Robert P. Garrett. "Sea ice thickness distribution in the Arctic Ocean." Cold Regions Science and Technology 13.3 (1987): 259-280. https://hdl.handle.net/10945/62208 This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States. Article 1987 ftnavalpschool 2024-05-15T00:08:33Z The article of record as published may be found at https://doi.org/10.1121/1.414657 Structural characteristics of transitionally rough and fully rough turbulent boundary layers are presented. These were measured in flows at different roughness Reynolds numbers developing over uniform spheres roughness. Inner regions of the longitudinal component of normal Reynolds stress profiles and log regions of mean profiles continuously change in the transitionally rough regime, as the roughness Reynolds number, R e1,;v,aries. These properties asymptotically approach fully rough behaviour as Rek increa ses, and smooth behaviour at low R ek. Profiles of other Reynolds-strData from the unclassified literature were reviewed to determine the regional and seasonal distributions of sea ice thickness, pressure ridging statistics, frequency of occurrence of polynyas, and keel/sail height ratios. Seasonal and regional maps and histograms of these properties were constructed. The majority of the data were obtained from submarines equipped with a narrow-beam, upward-looking sonar. As determined from an analysis of 17 submarine cruises, the overall mean thickness of Arctic sea ice above 65° N, including both deformed and undeformed ice, is 2.9 m with a standard deviation of 1.8 m. The overall seasonal mean ranges from approximately 2.4 m in spring to 3.3 m in summer. Local mean ice drafts ranged from less than 1 m near the marginal ice zone to greater than 7 m to the north of the Canadian Archipelago. Histograms of sea ice draft reflect a bimodal distribution in winter and spring, an effect of the presence of thin first year ice. Due to ice melt in summer and autumn only a single mode of much thicker multiyear ice is observed.ess tensor components, turbulence kinetic energy, turbulence-kinetic-energy production , and the turbulence-kinetic-energy dissipation are also given, along with appropriate scaling variables. Fully rough, one-dimensional spectra of longitudinal velocity fluctuation s from boundary-layer inner regions are ... Article in Journal/Newspaper Arctic Arctic Arctic Ocean Canadian Archipelago Sea ice Naval Postgraduate School: Calhoun Arctic Arctic Ocean
institution Open Polar
collection Naval Postgraduate School: Calhoun
op_collection_id ftnavalpschool
language unknown
description The article of record as published may be found at https://doi.org/10.1121/1.414657 Structural characteristics of transitionally rough and fully rough turbulent boundary layers are presented. These were measured in flows at different roughness Reynolds numbers developing over uniform spheres roughness. Inner regions of the longitudinal component of normal Reynolds stress profiles and log regions of mean profiles continuously change in the transitionally rough regime, as the roughness Reynolds number, R e1,;v,aries. These properties asymptotically approach fully rough behaviour as Rek increa ses, and smooth behaviour at low R ek. Profiles of other Reynolds-strData from the unclassified literature were reviewed to determine the regional and seasonal distributions of sea ice thickness, pressure ridging statistics, frequency of occurrence of polynyas, and keel/sail height ratios. Seasonal and regional maps and histograms of these properties were constructed. The majority of the data were obtained from submarines equipped with a narrow-beam, upward-looking sonar. As determined from an analysis of 17 submarine cruises, the overall mean thickness of Arctic sea ice above 65° N, including both deformed and undeformed ice, is 2.9 m with a standard deviation of 1.8 m. The overall seasonal mean ranges from approximately 2.4 m in spring to 3.3 m in summer. Local mean ice drafts ranged from less than 1 m near the marginal ice zone to greater than 7 m to the north of the Canadian Archipelago. Histograms of sea ice draft reflect a bimodal distribution in winter and spring, an effect of the presence of thin first year ice. Due to ice melt in summer and autumn only a single mode of much thicker multiyear ice is observed.ess tensor components, turbulence kinetic energy, turbulence-kinetic-energy production , and the turbulence-kinetic-energy dissipation are also given, along with appropriate scaling variables. Fully rough, one-dimensional spectra of longitudinal velocity fluctuation s from boundary-layer inner regions are ...
author2 Naval Postgraduate School (U.S.)
format Article in Journal/Newspaper
author Bourke, Robert H.
Garrett, Robert P.
spellingShingle Bourke, Robert H.
Garrett, Robert P.
Sea Ice Thickness Distribution in the Arctic Ocean
author_facet Bourke, Robert H.
Garrett, Robert P.
author_sort Bourke, Robert H.
title Sea Ice Thickness Distribution in the Arctic Ocean
title_short Sea Ice Thickness Distribution in the Arctic Ocean
title_full Sea Ice Thickness Distribution in the Arctic Ocean
title_fullStr Sea Ice Thickness Distribution in the Arctic Ocean
title_full_unstemmed Sea Ice Thickness Distribution in the Arctic Ocean
title_sort sea ice thickness distribution in the arctic ocean
publisher Elsevier
publishDate 1987
url https://hdl.handle.net/10945/62208
geographic Arctic
Arctic Ocean
geographic_facet Arctic
Arctic Ocean
genre Arctic
Arctic
Arctic Ocean
Canadian Archipelago
Sea ice
genre_facet Arctic
Arctic
Arctic Ocean
Canadian Archipelago
Sea ice
op_relation Bourke, Robert H., and Robert P. Garrett. "Sea ice thickness distribution in the Arctic Ocean." Cold Regions Science and Technology 13.3 (1987): 259-280.
https://hdl.handle.net/10945/62208
op_rights This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
_version_ 1801371241468133376