气候变化领域集成服务门户(CCPortal): Surface elevation changes near Barrow (Alaska) measured using reflected GPS signals

CCPortal

DOI	https://doi.org/10.1594/PANGAEA.885935
	Surface elevation changes near Barrow (Alaska) measured using reflected GPS signals
	Liu; Lin; Larson; Kristine M
发布日期	2018-02-05
数据集类型	dataset
英文简介	We use reflected GPS signals to measure temporal changes of ground surface elevation due to dynamics of the active layer and near-surface permafrost. Applying the GPS interferometric reflectometry technique to the multipath signal-to-noise ratio data collected by a continuously-operating GPS receiver mounted deep in permafrost in Barrow, Alaska, we can retrieve the vertical distance between the antenna and reflecting surface. Using this unique kind of observables, we obtain daily changes of surface elevation during July and August from 2004 to 2015. Our results show distinct temporal variations at three timescales: regular thaw settlement within each summer, strong inter-annual variability that is characterized by a sub-decadal subsidence trend followed by a brief uplift trend, and a secular subsidence trend of 0.26 cm/year during 2004 and 2015.
空间范围	Latitude: 71.323000 * Longitude: -156.610000
时间范围	2004-07-01T00:00:00 - 2015-09-01T00:00:00
语种	英语
国家	国际
学科大类	气候变化
学科子类	气候变化
文献类型	数据集
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/216299
推荐引用方式 GB/T 7714	Liu,Lin,Larson,et al. Surface elevation changes near Barrow (Alaska) measured using reflected GPS signals.2018-02-05.https://doi.org/10.1594/PANGAEA.885935.