气候变化领域集成服务门户(CCPortal): Estimating the snow water equivalent on a glacierized high elevation site (Forni Glacier, Italy)

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DOI	10.5194/tc-12-1293-2018
	Estimating the snow water equivalent on a glacierized high elevation site (Forni Glacier, Italy)
	Senese A.; Maugeri M.; Meraldi E.; Verza G.P.; Azzoni R.S.; Compostella C.; Diolaiuti G.
发表日期	2018
ISSN	19940416
卷号	12 期号:4
英文摘要	We present and compare 11 years of snow data (snow depth and snow water equivalent, SWE) measured by an automatic weather station (AWS) and corroborated by data from field campaigns on the Forni Glacier in Italy. The aim of the analysis is to estimate the SWE of new snowfall and the annual SWE peak based on the average density of the new snow at the site (corresponding to the snowfall during the standard observation period of 24-h) and automated snow depth measurements. The results indicate that the daily SR50 sonic ranger measurements and the available snow pit data can be used to estimate the mean new snow density value at the site, with an error of ±6-kg-m-3. Once the new snow density is known, the sonic ranger makes it possible to derive SWE values with an RMSE of 45-mm water equivalent (if compared with snow pillow measurements), which turns out to be about 8-% of the total SWE yearly average. Therefore, the methodology we present is interesting for remote locations such as glaciers or high alpine regions, as it makes it possible to estimate the total SWE using a relatively inexpensive, low-power, low-maintenance, and reliable instrument such as the sonic ranger. © 2018 Author(s).
学科领域	automation; data; density; elevation; methodology; snow; snow water equivalent; weather station; Forni Glacier; Italy; Lombardy; Sondrio
语种	英语
scopus关键词	automation; data; density; elevation; methodology; snow; snow water equivalent; weather station; Forni Glacier; Italy; Lombardy; Sondrio
来源期刊	Cryosphere
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/119179
作者单位	Department of Environmental Science and Policy, Università degli Studi di Milano, Milan, Italy; ARPA Lombardia, Centro Nivometeorologico di Bormio, Bormio, Italy; Ev-K2-CNR-Pakistan, Italian K2 Museum Skardu Gilgit Baltistan, Islamabad, Pakistan; Department of Earth Sciences, Università degli Studi di Milano, Milan, Italy
推荐引用方式 GB/T 7714	Senese A.,Maugeri M.,Meraldi E.,et al. Estimating the snow water equivalent on a glacierized high elevation site (Forni Glacier, Italy)[J],2018,12(4).
APA	Senese A..,Maugeri M..,Meraldi E..,Verza G.P..,Azzoni R.S..,...&Diolaiuti G..(2018).Estimating the snow water equivalent on a glacierized high elevation site (Forni Glacier, Italy).Cryosphere,12(4).
MLA	Senese A.,et al."Estimating the snow water equivalent on a glacierized high elevation site (Forni Glacier, Italy)".Cryosphere 12.4(2018).