气候变化领域集成服务门户(CCPortal): Time-Series Analysis of Volume Change at Brady Hot Springs, Nevada, USA, Using Geodetic Data From 2003

CCPortal

DOI	10.1029/2019JB017816
	Time-Series Analysis of Volume Change at Brady Hot Springs, Nevada, USA, Using Geodetic Data From 2003–2018
	Reinisch E.C.; Cardiff M.; Kreemer C.; Akerley J.; Feigl K.L.
发表日期	2020
ISSN	21699313
卷号	125 期号:9
英文摘要	Brady Hot Springs geothermal field has exhibited subsidence, as measured by interferometric synthetic aperture radar (InSAR). Previous studies have examined both the temporal evolution of the deformation from 2004 through 2016 and the spatial extent of the deformation, directly relating the observed subsidence to volumetric changes below the surface. We extend the modeling at Brady to analyze a data set of interferometric pairs spanning from the end of 2003 through 2018. We examine spatial and temporal trends in the observed deformation by time-series analysis of each of the 1,656 cubic voxels in a parameterized elastic dislocation model to identify areas where the subsurface volume changes as a function of time. Joint time-series analysis of Global Positioning System and InSAR pairs confirm significant changes in rates of volume change during time intervals when well operations were varied. The rate of subsidence increases with increased injection, consistent with the identification of thermal contraction of the rock matrix as the dominant driving mechanism. Conversely, the modeled volume increases when pumping ceases, suggesting thermal expansion of the rock matrix. ©2020. American Geophysical Union. All Rights Reserved.
英文关键词	geothermal system; GPS; InSAR; spatial analysis; time-series analysis; transient deformation
语种	英语
来源期刊	Journal of Geophysical Research: Solid Earth
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/187625
作者单位	Department of Geoscience, University of Wisconsin-Madison, Madison, WI, United States; Nevada Bureau of Mines and Geology, and Seismological Laboratory, University of Nevada, Reno, NV, United States; Ormat Technologies Inc, Reno, NV, United States
推荐引用方式 GB/T 7714	Reinisch E.C.,Cardiff M.,Kreemer C.,等. Time-Series Analysis of Volume Change at Brady Hot Springs, Nevada, USA, Using Geodetic Data From 2003–2018[J],2020,125(9).
APA	Reinisch E.C.,Cardiff M.,Kreemer C.,Akerley J.,&Feigl K.L..(2020).Time-Series Analysis of Volume Change at Brady Hot Springs, Nevada, USA, Using Geodetic Data From 2003–2018.Journal of Geophysical Research: Solid Earth,125(9).
MLA	Reinisch E.C.,et al."Time-Series Analysis of Volume Change at Brady Hot Springs, Nevada, USA, Using Geodetic Data From 2003–2018".Journal of Geophysical Research: Solid Earth 125.9(2020).