气候变化领域集成服务门户(CCPortal): An assessment of sub-snow GPS for quantification of snow water equivalent

CCPortal

DOI	10.5194/tc-12-3161-2018
	An assessment of sub-snow GPS for quantification of snow water equivalent
	Steiner L.; Meindl M.; Fierz C.; Geiger A.
发表日期	2018
ISSN	19940416
卷号	12 期号:10
英文摘要	Global Navigation Satellite Systems (GNSS) contribute to various Earth observation applications. The present study investigates the potential and limitations of the Global Positioning System (GPS) to estimate in situ water equivalents of the snow cover (snow water equivalent, SWE) by using buried GPS antennas. GPS-derived SWE is estimated over three seasons (2015/16-2017/18) at a high Alpine test site in Switzerland. Results are validated against state-of-the-art reference sensors: snow scale, snow pillow, and manual observations. SWE is estimated with a high correspondence to the reference sensors for all three seasons. Results agree with a median relative bias below 10% and are highly correlated to the mean of the three reference sensors. The sensitivity of the SWE quantification is assessed for different GPS ambiguity resolution techniques, as the results strongly depend on the GPS processing. © Author(s) 2018.
语种	英语
来源期刊	Cryosphere
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/119057
作者单位	Institute of Geodesy and Photogrammetry, ETH Zurich, Robert-Gnehm-Weg 15, Zurich, 8093, Switzerland; WSL Institute for Snow and Avalanche Research SLF, Flüelastr. 11, Davos, 7260, Switzerland
推荐引用方式 GB/T 7714	Steiner L.,Meindl M.,Fierz C.,et al. An assessment of sub-snow GPS for quantification of snow water equivalent[J],2018,12(10).
APA	Steiner L.,Meindl M.,Fierz C.,&Geiger A..(2018).An assessment of sub-snow GPS for quantification of snow water equivalent.Cryosphere,12(10).
MLA	Steiner L.,et al."An assessment of sub-snow GPS for quantification of snow water equivalent".Cryosphere 12.10(2018).