气候变化领域集成服务门户(CCPortal): Albedo of Black Carbon-Contaminated Snow Across Northwestern China and the Validation With Model Simulation

CCPortal

DOI	10.1029/2019JD032065
	Albedo of Black Carbon-Contaminated Snow Across Northwestern China and the Validation With Model Simulation
	Shi T.; Pu W.; Zhou Y.; Cui J.; Zhang D.; Wang X.
发表日期	2020
ISSN	2169897X
卷号	125 期号:9
英文摘要	Light-absorbing particles in snow can significantly reduce the snow albedo. Quantification of the influence of black carbon (BC), one of the most important light-absorbing particles, on snow albedo is essential for understanding the budgets of solar radiation on snow-covered areas. We measured BC concentration in snow at 28 sites and snow albedo at 18 sites in a vast region across northwestern China in January 2018. The BC concentration was in a wide range of 40–1,850 ng g−1. The presence of the BC reduced the snow albedo by 0.01–0.20 at the visible wavelength band (400–750 nm). The reduction differed from sites to sites with large values close to industrial areas that are characterized by high pollutants emission. Albedos simulated with a Snow, Ice, and Aerosol Radiation model based on the measured BC agreed well with the measured albedos, with the deviation within ±0.03 and the average underestimation of <0.002. It worth noting that the retrieved optical effective snow grain radius was the key factor in snow albedo calculation. The BC-induced radiative forcing was estimated to be 0.2–6.9 W m−2, indicating strong acceleration of snowmelt due to BC in northwestern China. All obtained data are extremely valuable for climate model validation associated with the albedo of BC-contaminated snow cover. ©2020. American Geophysical Union. All Rights Reserved.
语种	英语
来源期刊	Journal of Geophysical Research: Atmospheres
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/186018
作者单位	Key Laboratory for Semi-Arid Climate Change of the Ministry of Education, College of Atmospheric Sciences, Lanzhou University, Lanzhou, China; Faculty of Environmental and Symbiotic Sciences, Prefectural University of Kumamoto, Kumamoto, Japan; Institute of Surface-Earth System Science, Tianjin University, Tianjin, China
推荐引用方式 GB/T 7714	Shi T.,Pu W.,Zhou Y.,et al. Albedo of Black Carbon-Contaminated Snow Across Northwestern China and the Validation With Model Simulation[J],2020,125(9).
APA	Shi T.,Pu W.,Zhou Y.,Cui J.,Zhang D.,&Wang X..(2020).Albedo of Black Carbon-Contaminated Snow Across Northwestern China and the Validation With Model Simulation.Journal of Geophysical Research: Atmospheres,125(9).
MLA	Shi T.,et al."Albedo of Black Carbon-Contaminated Snow Across Northwestern China and the Validation With Model Simulation".Journal of Geophysical Research: Atmospheres 125.9(2020).