气候变化领域集成服务门户(CCPortal): Comparative evaluation of VIIRS daily snow cover product with MODIS for snow detection in China based on ground observations

CCPortal

DOI	10.1016/j.scitotenv.2020.138156
	Comparative evaluation of VIIRS daily snow cover product with MODIS for snow detection in China based on ground observations
	Zhang, Hongbo; Zhang, Fan; Che, Tao; Wang, Shijin
发表日期	2020
ISSN	0048-9697
EISSN	1879-1026
卷号	724
英文摘要	Accurate spatiotemporal information of snow cover not only is important for investigating the mechanisms of climate change but also greatly contributes to hydrological modelling in mountainous regions. The Suomi-National Polar-orbiting Partnership (S-NPP) Visible Infrared Imaging Radiometer Suite (VIIRS) (referred to as VNP) daily snow cover product is recently released and expected to take place of Moderate Resolution Imaging Spectroradiometer (MODIS) snow cover products in near future. As an important addition to the widely used MODIS products, there is also an urgent need for a reliable accuracy evaluation and comparison of VNP for future large-scale daily snow cover mapping. This study for the first time evaluates the accuracy of VNP daily snow cover data in China using daily snow depth observations from 330 stations. The accuracy of VNP data is generally good with the averaged CK (Cohen's Kappa) and FS (F-Score) as high as 0.72 and 0.75, respectively, but considerably decreases to 0.50 and 0.52 for the Tibetan Plateau. VNP shows slightly better accuracy than MODIS TERRA for stations outside the Tibetan Plateau owing to its higher spatial resolution, but its accuracy is lower than TERRA for those within the Tibetan Plateau possibly due to its longer time interval between ground observation and satellite overpass time. By contrast, VNP shows much better accuracy than MODIS AQUA in China including both outside and within the Tibetan Plateau. This study provides important implications for optimal use of VNP and MODIS daily snow cover products in China, which may further contribute to more accurate snow variation information for climate analysis and cryospheric hydrological modelling.
英文关键词	VIIRS; MODIS; Daily snow cover; Tibetan Plateau; China
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
WOS关键词	TIBETAN PLATEAU ; AIR-TEMPERATURE ; VARIABILITY ; VALIDATION ; ELEVATION ; AREA
WOS记录号	WOS:000532683900013
来源期刊	SCIENCE OF THE TOTAL ENVIRONMENT
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/241043
作者单位	[Zhang, Hongbo] China Agr Univ, Coll Water Resources & Civil Engn, Beijing 100083, Peoples R China; [Zhang, Hongbo; Wang, Shijin] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou, Peoples R China; [Zhang, Fan] Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China; [Zhang, Fan; Che, Tao] CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China; [Zhang, Fan] Univ Chinese Acad Sci, Beijing, Peoples R China; [Che, Tao] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Remote Sensing Gansu Prov, Heihe Remote Sensing Expt Res Stn, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Hongbo,Zhang, Fan,Che, Tao,et al. Comparative evaluation of VIIRS daily snow cover product with MODIS for snow detection in China based on ground observations[J]. 中国科学院西北生态环境资源研究院,2020,724.
APA	Zhang, Hongbo,Zhang, Fan,Che, Tao,&Wang, Shijin.(2020).Comparative evaluation of VIIRS daily snow cover product with MODIS for snow detection in China based on ground observations.SCIENCE OF THE TOTAL ENVIRONMENT,724.
MLA	Zhang, Hongbo,et al."Comparative evaluation of VIIRS daily snow cover product with MODIS for snow detection in China based on ground observations".SCIENCE OF THE TOTAL ENVIRONMENT 724(2020).