气候变化领域集成服务门户(CCPortal): Modeling the Microwave Emission of Snow on Arctic Sea Ice for Estimating the Uncertainty of Satellite Retrievals

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DOI	10.1029/2019JC015465
	Modeling the Microwave Emission of Snow on Arctic Sea Ice for Estimating the Uncertainty of Satellite Retrievals
	Rostosky P.; Spreen G.; Gerland S.; Huntemann M.; Mech M.
发表日期	2020
ISSN	21699275
卷号	125 期号:3
英文摘要	Within a rapidly changing Arctic climate system, snow on sea ice is an important climate parameter. A common method to derive snow depth on an Arctic-wide scale is based on passive microwave satellite observations. However, the uncertainties of this method are not well constrained. In this study, we estimate the influence of geophysical parameters, including ice, snow, and atmospheric properties on passive microwave snow depth retrievals using a Monte Carlo uncertainty estimation. The results are based on model simulations from the Microwave Emission Model for Layered Snowpacks, the SNOWPACK model, and from the Passive and Active Microwave TRAnsfer model. All simulations are based on in situ observations obtained during the N-ICE2015 campaign. The average uncertainty in potential snow depth retrievals is between 11% and 19%, depending on the microwave frequencies used and increases with increasing snow depth. For lower-frequency retrievals (including 6.9 GHz), unknown snow properties are the strongest source of uncertainty while for higher-frequency retrievals (including 36.5 GHz), the contribution of ice, snow properties, and clouds is equally strong. ©2020. The Authors.
英文关键词	Arctic; modeling; remote sensing; snow
语种	英语
来源期刊	Journal of Geophysical Research: Oceans
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/186962
作者单位	Institute of Environmental Physics, University of Bremen, Bremen, Germany; Norwegian Polar Institute, Fram Centre, Tromsø, Norway; Institute for Geophysics and Meteorology, University of Cologne, Cologne, Germany
推荐引用方式 GB/T 7714	Rostosky P.,Spreen G.,Gerland S.,et al. Modeling the Microwave Emission of Snow on Arctic Sea Ice for Estimating the Uncertainty of Satellite Retrievals[J],2020,125(3).
APA	Rostosky P.,Spreen G.,Gerland S.,Huntemann M.,&Mech M..(2020).Modeling the Microwave Emission of Snow on Arctic Sea Ice for Estimating the Uncertainty of Satellite Retrievals.Journal of Geophysical Research: Oceans,125(3).
MLA	Rostosky P.,et al."Modeling the Microwave Emission of Snow on Arctic Sea Ice for Estimating the Uncertainty of Satellite Retrievals".Journal of Geophysical Research: Oceans 125.3(2020).