Aircraft measurements of heat fluxes over wind-driven coastal polynyas in the Bering Sea

被引：5

作者：

Walter, Bernard

Cavalieri, Donald J.

Thornhill, K. Lee

Gasiewski, Albin J.

机构：

[1] NW Res Associates Inc, Bellevue, WA 98009 USA

[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[3] NASA, Langley Res Ctr, Div Atmospher Sci, Hampton, VA 23681 USA

[4] Univ Colorado, Dept Elect & Comp Engn, Boulder, CO 80309 USA

来源：

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2006年 / 44卷 / 11期

基金：

美国国家航空航天局;

关键词：

Atmospheric measurements; covariance analysis; meteorology; remote sensing; sea ice;

D O I：

10.1109/TGRS.2006.883348

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The first estimates of the average bulk heat transfer coefficient for Arctic sea ice are presented as a function of mean ice thickness. Turbulent heat flux measurements made by the NASA P-3 over the St. Lawrence Island polynya (SLIP) and Kuskokwim Bay in the Bering Sea during AMSR-Ice03 were used to estimate the values of the heat transfer coefficient C-H. Estimates of ice thickness were made from the algorithm of Perovich et al. using broadband albedos obtained from Moderate Resolution Imaging Spectroradiometer data. Plots Of C-H as a function of ice thickness showed a nearly linear relationship for ice thicknesses in the range of 0-14 cm in the polynyas. Previous estimates Of C-H for different cases over the SLIP were 1.2 x 10(-3), but no estimates of ice thickness were available. These results will allow more accurate estimates of heat fluxes from the thin-ice areas of polynyas using satellite retrievals.

引用

页码：3118 / 3134

页数：17

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