The Contribution of Sea-Ice Contamination to Inaccuracies in Sea-Ice Concentration Retrieval from Satellite Microwave Radiometry Data during the Ice-Melt Period

被引：0
|
作者：
Alekseeva, T. A. [1 ,2 ]
Sokolova, J. V. [1 ,2 ]
Afanasyeva, E. V. [1 ,2 ]
Tikhonov, V. V. [2 ,3 ]
Raev, M. D. [2 ]
Sharkov, E. A. [2 ]
Kovalev, S. M. [1 ]
Smolyanitsky, V. M. [1 ]
机构：
[1] Arctic & Antarctic Res Inst, St Petersburg, Russia
[2] Russian Acad Sci, Space Res Inst, Moscow, Russia
[3] Inst Water & Environm Problems, Russian Acad Sci, Siberian Branch, Barnaul, Russia
来源：
IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS | 2022年 / 58卷 / 12期
关键词：
Arctic Ocean; satellite microwave radiometry; fast ice; ice destruction; ice contamination; ALGORITHMS;
D O I：
10.1134/S0001433822120039
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
Sea-ice concentrations retrieved from satellite microwave radiometry data are influenced by many natural factors. In the work we consider sea-ice contamination. The values of sea-ice concentration derived with the use of the ASI, TUD, OSI-401-b, BT, NT, and CDR algorithms are analyzed on the example of fast ice in the East Siberian Sea. These algorithms are chosen because they are available for open access and are commonly used in scientific research. All of the algorithms return lower ice concentrations in contaminated ice as compared to clean ice during the active ice-melt period, from late May to early July. The ASI and TUD are the two most sensitive to sea-ice contamination, which is due to the high-frequency channels, 85-91 GHz, used in them.
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页码：1470 / 1484
页数：15
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