Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1007/s00382-017-3607-z |
Comparison of Arctic sea ice thickness and snow depth estimates from CFSR with in situ observations | |
Sato, Kazutoshi1; Inoue, Jun1,2,3 | |
2018 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2018 |
卷号 | 50页码:289-301 |
文章类型 | Article |
语种 | 英语 |
国家 | Japan |
英文摘要 | Sea ice growth is modulated by snow cover, and understanding this relationship requires an accurate determination of snow depth. However, a lack of in situ measurements complicates understanding of the interaction of snow depth with sea ice growth. We evaluated the accuracy of Climate Forecast System Reanalysis (CFSR) data for snow depth and sea ice thickness to study the change of snow depth on Arctic sea ice. We compared CFSR and snow depth data from 35 drifting buoys in 2002-2013. The mean annual cycle of CFSR snow depth corresponded well with the buoy data. However, the CFSR data had a positive bias during winter (10-20 cm) and spring (5-25 cm), and a negative bias during summer (-25-0 cm) and autumn (-5-10 cm). The CFSR data showed increases in snow depth from 1979 to 2013 over the Beaufort and northern Chukchi Seas during November. Significant positive trends in precipitation contributed to increased snow depth in this region when sea ice began to form. The results of model experiments using a 1-D thermodynamic sea ice model in the CFSR demonstrated a recommended value of snow thermal conductivity (0.16 W m(-1) K-1), and suggested that the sea ice growth was effectively restricted by the recent increase in snow depth on thin ice during winter. |
英文关键词 | Snow depth Sea ice CFSR Drifting buoy |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000422908700018 |
WOS关键词 | THERMAL-CONDUCTIVITY ; CLIMATE ; COVER ; MODEL |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/35541 |
专题 | 气候变化 |
作者单位 | 1.Natl Inst Polar Res, Tachikawa, Tokyo, Japan; 2.Grad Univ Adv Studies, Tachikawa, Tokyo, Japan; 3.Japan Agcy Marine Earth Sci & Technol, Yokohama, Kanagawa, Japan |
推荐引用方式 GB/T 7714 | Sato, Kazutoshi,Inoue, Jun. Comparison of Arctic sea ice thickness and snow depth estimates from CFSR with in situ observations[J]. CLIMATE DYNAMICS,2018,50:289-301. |
APA | Sato, Kazutoshi,&Inoue, Jun.(2018).Comparison of Arctic sea ice thickness and snow depth estimates from CFSR with in situ observations.CLIMATE DYNAMICS,50,289-301. |
MLA | Sato, Kazutoshi,et al."Comparison of Arctic sea ice thickness and snow depth estimates from CFSR with in situ observations".CLIMATE DYNAMICS 50(2018):289-301. |
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