气候变化领域集成服务门户(CCPortal): Operational snow monitoring in the Tibetan Plateau by using SSM/I data and algorithm validation

CCPortal

DOI	10.1117/12.467414
	Operational snow monitoring in the Tibetan Plateau by using SSM/I data and algorithm validation
	Gao, F; Li, X; Armstrong, RL; Wang, J; Che, T; Xu, W
发表日期	2003
ISSN	0277-786X
起始页码	456
结束页码	463
卷号	4894
英文摘要	The estimation of snow parameters such as snow extent, snow depth and snow water equivalent are very important. They are parameters in land surface schemes and are very useful in snow disaster assessment. Passive microwave remote sensing has advantages in retrieving these parameters, especially snow depth. However, this technique has not been applied to monitor snow in Tibetan Plateau so far. So since last winter we tried to operationally monitor snow in this area by using SSM/I data, providing daily snow depth maps to the concerning sections of local government. In the meantime, the in-situ measurements of snow depth data in the Tibetan Plateau were collected to validate the retrieval algorithm employed in this study. In the paper, SSM/I images before and after a heavy snowfall were analyzed and compared with MODIS images The results showed that the snow extent from SSM/I data is consistent with that from MODIS data, and snow depths from SSM/I are helpful for the assessment of snow disaster. However, compared with in-situ observations SSM/I derived snow depths are significantly overestimated. Since passive microwave remote sensing is almost transparently to atmosphere and cloud, it will play an important role in monitoring snow in the Tibetan Plateau, with the retrieval algorithm being improved. This will be more dominant when AMSR data are available.
英文关键词	snow extent; snow depth; passive microwave remote sensing; SSM/I; MODIS; AMSR; the Tibetan Plateau
WOS研究方向	Remote Sensing ; Optics
WOS类目	Remote Sensing ; Optics
WOS关键词	MICROWAVE
WOS记录号	WOS:000183305000049
来源期刊	MICROWAVE REMOTE SENSING OF THE ATMOSPHERE AND ENVIRONMENT III
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/241020
作者单位	CAS, Cold & Arid Reg Environm & Engn Res Inst, RS & GIS Lab, Lanzhou 730000, Peoples R China; Univ Colorado, Natl Snow & Ice Data Ctr, CIRES, Boulder, CO 80309 USA
推荐引用方式 GB/T 7714	Gao, F,Li, X,Armstrong, RL,et al. Operational snow monitoring in the Tibetan Plateau by using SSM/I data and algorithm validation[J]. 中国科学院西北生态环境资源研究院,2003,4894.
APA	Gao, F,Li, X,Armstrong, RL,Wang, J,Che, T,&Xu, W.(2003).Operational snow monitoring in the Tibetan Plateau by using SSM/I data and algorithm validation.MICROWAVE REMOTE SENSING OF THE ATMOSPHERE AND ENVIRONMENT III,4894.
MLA	Gao, F,et al."Operational snow monitoring in the Tibetan Plateau by using SSM/I data and algorithm validation".MICROWAVE REMOTE SENSING OF THE ATMOSPHERE AND ENVIRONMENT III 4894(2003).