气候变化领域集成服务门户(CCPortal): An Investigation of Ice Surface Albedo and Its Influence on the High-Altitude Lakes of the Tibetan Plateau

CCPortal

DOI	10.3390/rs10020218
	An Investigation of Ice Surface Albedo and Its Influence on the High-Altitude Lakes of the Tibetan Plateau
	Lang, Jiahe; Lyu, Shihua; Li, Zhaoguo; Ma, Yaoming; Su, Dongsheng
通讯作者	Li, ZG (通讯作者)
发表日期	2018
ISSN	2072-4292
卷号	10 期号:2
英文摘要	Most high-altitude lakes are more sensitive to global warming than the regional atmosphere. However, most existing climate models produce unrealistic surface temperatures on the Tibetan Plateau (TP) lakes, and few studies have focused on the influence of ice surface albedo on high-altitude lakes. Based on field albedo measurements, moderate resolution imaging spectrometer (MODIS) albedo products and numerical simulation, this study evaluates the ice albedo parameterization schemes in existing lake models and investigates the characteristics of the ice surface albedo in six typical TP lakes, as well as the influence of ice albedo error in the FLake model. Compared with observations, several ice albedo schemes all clearly overestimate the lake ice albedo by 0.26 to 0.66, while the average bias of MODIS albedo products is only 0.07. The MODIS-observed albedo of a snow-covered lake varies with the snow proportion, and the lake surface albedo in a snow-free state is approximately 0.15 during the frozen period. The MODIS-observed ice surface (snow-free) albedos are concentrated within the ranges of 0.14-0.16, 0.08-0.10 and 0.10-0.12 in Aksai Chin Lake, Nam Co Lake and Ngoring Lake, respectively. The simulated lake surface temperature is sensitive to variations in lake ice albedo especially in the spring and winter.
关键词	THERMOKARST LAKE PARAMETERIZATION SCHEME OPTICAL-PROPERTIES CLIMATE-CHANGE BEILUHE BASIN LEVEL CHANGES SEA-ICE MODIS SNOW TEMPERATURE
英文关键词	surface albedo; snow and ice; MODIS; lake model; parameterization scheme
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
WOS类目	Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology
WOS记录号	WOS:000427542100064
来源期刊	REMOTE SENSING
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/259262
推荐引用方式 GB/T 7714	Lang, Jiahe,Lyu, Shihua,Li, Zhaoguo,et al. An Investigation of Ice Surface Albedo and Its Influence on the High-Altitude Lakes of the Tibetan Plateau[J]. 中国科学院青藏高原研究所,2018,10(2).
APA	Lang, Jiahe,Lyu, Shihua,Li, Zhaoguo,Ma, Yaoming,&Su, Dongsheng.(2018).An Investigation of Ice Surface Albedo and Its Influence on the High-Altitude Lakes of the Tibetan Plateau.REMOTE SENSING,10(2).
MLA	Lang, Jiahe,et al."An Investigation of Ice Surface Albedo and Its Influence on the High-Altitude Lakes of the Tibetan Plateau".REMOTE SENSING 10.2(2018).