气候变化领域集成服务门户(CCPortal): Quantifying the light absorption and source attribution of insoluble light-absorbing particles on Tibetan Plateau glaciers between 2013 and 2015

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DOI	10.5194/tc-13-309-2019
	Quantifying the light absorption and source attribution of insoluble light-absorbing particles on Tibetan Plateau glaciers between 2013 and 2015
	Wang, Xin; Wei, Hailun; Liu, Jun; Xu, Baiqing; Wang, Mo; Ji, Mingxia; Jin, Hongchun
通讯作者	Wang, X ; Xu, BQ (通讯作者)
发表日期	2019
ISSN	1994-0416
EISSN	1994-0424
起始页码	309
结束页码	324
卷号	13 期号:1
英文摘要	The deposition of insoluble light-absorbing particles (ILAPs) on snow and ice surfaces can significantly reduce albedo, thereby accelerating the melting process. In this study, 67 ice samples were collected from seven glaciers located on the Tibetan Plateau (TP) between May 2013 and October 2015. The mixing ratios of black carbon (BC), organic carbon (OC), and mineral dust (MD) were measured with an integrating sphere/integrating sandwich spectrophotometer (ISSW) system, which assumes that the light absorption of MD is due to iron oxide (Fe). Our results indicate that the mass-mixing ratios of BC, OC, and Fe exhibit considerable variability (BC: 10-3100 ng g(-1); OC: 10-17 000 ng g(-1); Fe: 10-3500 ng g(-1)) with respective mean values of 220 +/- 400 ng g(-1), 1360 +/- 2420 ng g(-1), and 240 +/- 450 ng g(-1) over the course of the field campaign. We observed that for wavelengths of 450-600 nm, the measured light absorption can be largely attributed to the average light absorption of BC (50.7 %) and OC (33.2 %). Chemical elements and selected carbonaceous particles were also analyzed for source attributions of particulate light absorption based on a positive matrix factorization (PMF) receptor model. Our findings indicate that on average, industrial pollution (33.1 %), biomass or biofuel burning (29.4 %), and MD (37.5 %) constitute the principal sources of ILAPs deposited on TP glaciers.
关键词	ATMOSPHERIC BROWN CLOUDS BLACK-CARBON ORGANIC-CARBON IRON-OXIDES OPTICAL-PROPERTIES SEASONAL SNOW NAM CO WESTERN NYAINQENTANGLHA SOURCE APPORTIONMENT ZHADANG GLACIER
语种	英语
WOS研究方向	Physical Geography ; Geology
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号	WOS:000457279900001
来源期刊	CRYOSPHERE
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/259432
推荐引用方式 GB/T 7714	Wang, Xin,Wei, Hailun,Liu, Jun,et al. Quantifying the light absorption and source attribution of insoluble light-absorbing particles on Tibetan Plateau glaciers between 2013 and 2015[J]. 中国科学院青藏高原研究所,2019,13(1).
APA	Wang, Xin.,Wei, Hailun.,Liu, Jun.,Xu, Baiqing.,Wang, Mo.,...&Jin, Hongchun.(2019).Quantifying the light absorption and source attribution of insoluble light-absorbing particles on Tibetan Plateau glaciers between 2013 and 2015.CRYOSPHERE,13(1).
MLA	Wang, Xin,et al."Quantifying the light absorption and source attribution of insoluble light-absorbing particles on Tibetan Plateau glaciers between 2013 and 2015".CRYOSPHERE 13.1(2019).