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Author : Mariana Eneva
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (142 download)
Download or read book Surface Deformation in Imperial Valley, Study from Satellite Radar Interferometry written by Mariana Eneva and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (318 download)
Download or read book Application of InSAR to the Detection of Surface Deformation in the Geothermal Fields of Imperial Valley, California written by and published by . This book was released on 2010 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fernando Greene
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (12 download)
Download or read book Surface Deformation Measured with Interferometric Synthetic Aperture Radar written by Fernando Greene and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Interferometric Synthetic Aperture Radar (InSAR) and Global Positioning System (GPS) is widely used to detect ground deformation from varieties of geophysical origins. However, most studies lack the spatial and temporal resolutions to better characterize such observations. The purpose of this research is to use multi-track satellite radar imagery to generate time series to study and monitor vertical ground deformation over large regions such as the Nevada portion of the Basin and Range Province and the western end of the Mojave Desert. We developed an innovative method to remove horizontal movements from InSAR line-of-sight (LOS) observations using a GPS velocity field and subsequently combine the multi-track imagery resulting in one single high spatial resolution map of observed vertical crustal and surface movements. By implementing this technique we detect vertical deformation signals with short and intermediate wavelength signals associated to tectonic processes such as interseismic and postseismic deformation. In Central Nevada Seismic Belt we detect in three independent orbits a broad area of uplift that confirms results of previous studies that associate the origin of this signal to post-seimic deformation of the historic earthquakes at this region. In south-central Nevada we detect several valleys that show a gradual eastward tilt of the valley floors due to deep geodynamical processes. The valleys located at the eastern side of Ruby Mountains show a range decrease that could indicate uplift related to magma intrusion or post-seismic deformation due to older, unrecognized earthquakes. In the Big Bend segment in southern California we detect vertical uplift as expected by mechanical models of interseismic deformation. Additionaly all our velocity maps reveal small wavelength deformation signals of anthropogenic origin.
Author : Haibo Li
Publisher : CRC Press
ISBN 13 : 1315470810
Total Pages : 568 pages
Book Rating : 4.3/5 (154 download)
Download or read book Rock Dynamics: From Research to Engineering written by Haibo Li and published by CRC Press. This book was released on 2016-04-19 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rock Dynamics: From Research to Engineering is a collection of the scientic and technical papers presented at the Second International Conference on Rock Dynamics and Applications (RocDyn-2, Suzhou, China, 18-19 May 2016). The book has four sections. The first section contains 8 keynote papers, covering a wide range of dynamic issues related to roc
Author : Simran Singh Sangha
Publisher :
ISBN 13 :
Total Pages : 183 pages
Book Rating : 4.:/5 (128 download)
Download or read book Characterizing the Deformation Field in Afar from Radar Interferometry and Topography Data written by Simran Singh Sangha and published by . This book was released on 2021 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project's objective is to map surface deformation over the Afar Depression since 1997 in real time to characterize fault behavior and contribute to the current repertoire of knowledge surrounding rifting processes. The Afar Depression is a broad extensional region in Eastern Africa, where the diverging boundaries have not yet achieved connection, so extension is distributed across developing arrays of faults and fractures. There has been generally limited attention from previous studies on the amount of divergence accommodated by distributed extension resulting from the transmission of tectonic forces applied to boundaries, in tangent with limited geodetic coverage and observations. To understand the mechanical processes underlying rift evolution, the current strain rate of the crust and its character over time throughout the Afar Depression must be understood in relation with the distribution of Quaternary faulting and rifting. To study the present-day deformation field, we use the technique of Synthetic Aperture Radar Interferometry (InSAR) - a method to measure ground deformation in map - with a dense archive of SAR data from two satellite missions: the Canadian Space Agency's (CSA) C-band RADARSAT-1 and the European Space Agency's (ESA) C-band Sentinel-1 missions. The mm/year resolution of InSAR time series measurements allows us to detect and monitor deformation throughout the Afar Depression in between events as large and fast as significant earthquakes and volcanic eruptions and also as small and slow as small dike intrusions over multiple decades. Using this data, we have modelled multiple discrete faulting events which were not captured before in the geodetic nor seismological record. Finally, to constrain the long-term extension rate and the distribution of extension across the Arabia-Somalian plate boundary, we compiled a detailed estimate of cumulative extension and vertical throw by measuring faults across the plate boundary using a high-resolution German Aerospace Center (DLR) TanDEM-X Digital Elevation Model (DEM).
Author : Erik Vaughn Brawner
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (12 download)
Download or read book Synthetic Aperture Radar Interferometry Analysis of Ground Deformation Within the Coso Geothermal Site, California written by Erik Vaughn Brawner and published by . This book was released on 2016 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earth's surface movement may cause as a potential hazard to infrastructure and people. Associated earthquake hazards pose a potential side effect of geothermal activity. Modern remote sensing techniques known as Interferometric Synthetic Aperture Radar (InSAR) can measure surface change with a high degree of precision to mm scale movements. Previous work has identified a deformation anomaly within the Coso Geothermal site in eastern California. Surface changes have not been analyzed since the 1990s, allowing a decade of geothermal production impact to occur since previously assessed. In this study, InSAR data was acquired and analyzed between the years 2005 and 2010. Acquired by the ENVISAT satellite from both ascending and descending modes. This provides an independent dataset from previous work. Incorporating data generated from a new sensor covering a more modern temporal study period. Analysis of this time period revealed a subsidence anomaly in correlation with the extents of the geothermal production area under current operation. Maximum subsidence rates in the region reached approximately 3.8 cm/yr. A similar rate assessed from previous work throughout the 1990s. The correlation of subsidence patterns suggests a linear source of deformation from measurements spanning multiple decades. Regions of subsidence branch out from the main anomaly to the North-Northeast and to the South where additional significant peaks of subsidence occurring. The extents of the deformation anomaly directly correlate with the dispersal of geothermal production well site locations. Depressurization within the geothermal system provides a leading cause to surface subsidence from excessive extraction of hydrothermal fluids. As a result of minimal reinjection of production fluids.
Author : Daniel Dzurisin
Publisher : Springer Science & Business Media
ISBN 13 : 3540493026
Total Pages : 470 pages
Book Rating : 4.5/5 (44 download)
Download or read book Volcano Deformation written by Daniel Dzurisin and published by Springer Science & Business Media. This book was released on 2006-11-24 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volcanoes and eruptions are dramatic surface man telemetry and processing, and volcano-deformation ifestations of dynamic processes within the Earth, source models over the past three decades. There has mostly but not exclusively localized along the been a virtual explosion of volcano-geodesy studies boundaries of Earth's relentlessly shifting tectonic and in the modeling and interpretation of ground plates. Anyone who has witnessed volcanic activity deformation data. Nonetheless, other than selective, has to be impressed by the variety and complexity of brief summaries in journal articles and general visible eruptive phenomena. Equally complex, works on volcano-monitoring and hazards mitiga however, if not even more so, are the geophysical, tion (e. g. , UNESCO, 1972; Agnew, 1986; Scarpa geochemical, and hydrothermal processes that occur and Tilling, 1996), a modern, comprehensive treat underground - commonly undetectable by the ment of volcano geodesy and its applications was human senses - before, during, and after eruptions. non-existent, until now. Experience at volcanoes worldwide has shown that, In the mid-1990s, when Daniel Dzurisin (DZ to at volcanoes with adequate instrumental monitor friends and colleagues) was serving as the Scientist ing, nearly all eruptions are preceded and accom in-Charge of the USGS Cascades Volcano Observa panied by measurable changes in the physical and tory (CVO), I first learned of his dream to write a (or) chemical state of the volcanic system. While book on volcano geodesy.
Author : Robert A. Meyers
Publisher : Springer Science & Business Media
ISBN 13 : 1441976949
Total Pages : 1273 pages
Book Rating : 4.4/5 (419 download)
Download or read book Extreme Environmental Events written by Robert A. Meyers and published by Springer Science & Business Media. This book was released on 2010-11-03 with total page 1273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extreme Environmental Events is an authoritative single source for understanding and applying the basic tenets of complexity and systems theory, as well as the tools and measures for analyzing complex systems, to the prediction, monitoring, and evaluation of major natural phenomena affecting life on earth. These phenomena are often highly destructive, and include earthquakes, tsunamis, volcanoes, climate change,, and weather. Early warning, damage, and the immediate response of human populations to these phenomena are also covered from the point of view of complexity and nonlinear systems. In 61 authoritative, state-of-the art articles, world experts in each field apply such tools and concepts as fractals, cellular automata, solitons game theory, network theory, and statistical physics to an understanding of these complex geophysical phenomena.
Author : Suzanne Noelle Lyons
Publisher :
ISBN 13 :
Total Pages : 532 pages
Book Rating : 4.:/5 (318 download)
Download or read book Investigations of Fault Creep in Southern California Using Interferometric Synthetic Aperture Radar and GPS written by Suzanne Noelle Lyons and published by . This book was released on 2002 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wen Nie
Publisher : Frontiers Media SA
ISBN 13 : 2832553214
Total Pages : 239 pages
Book Rating : 4.8/5 (325 download)
Download or read book Monitoring, Early Warning and Mitigation of Natural and Engineered Slopes, volume III written by Wen Nie and published by Frontiers Media SA. This book was released on 2024-08-20 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural and engineered slopes are widely distributed worldwide, including mountain slopes, highway slopes, mine slopes, reservoir dams, etc. These slopes could become unstable due to natural factors or human activities, causing catastrophic loss of life and infrastructure destruction. Therefore, these slopes require constant monitoring to provide early warning and enable mitigation. Advanced monitoring equipment, information technology, and multidisciplinary interaction theories have created new opportunities and challenges in this discipline. Recently, advanced monitoring devices, information technologies, and multidisciplinary intersection theories have contributed to the monitoring, early warning and mitigation of natural and engineered slopes. However, effective and efficient monitoring, precise early warning, low-cost and low-time-consuming remediation, and reliable risk assessment remain obstacles. This Research Topic aims to present the most recent innovative advancements and state-of-the-art natural and engineered slope monitoring, early warning, mitigation, and risk assessment.
Author :
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.F/5 ( download)
Download or read book Nature and Resources written by and published by . This book was released on 1996 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D.M. Pyle
Publisher : Geological Society of London
ISBN 13 : 1862393621
Total Pages : 361 pages
Book Rating : 4.8/5 (623 download)
Download or read book Remote Sensing of Volcanoes and Volcanic Processes written by D.M. Pyle and published by Geological Society of London. This book was released on 2014-01-06 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume focuses on how advances in both remote sensing and modelling can be brought together to improve our understanding of the behaviour of active volcanoes. It includes review papers, papers reporting technical advances and case studies showing how the integration of remote-sensing observations with models can be put to good use.
Author : 龚文瑜
Publisher :
ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.:/5 (883 download)
Download or read book Long-term Monitoring of Geodynamic Surface Deformation Using SAR Interferometry written by 龚文瑜 and published by . This book was released on 2014 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic Aperture Radar Interferometry (InSAR) is a powerful tool to measure surface deformation and is well suited for surveying active volcanoes using historical and existing satellites. However, the value and applicability of InSAR for geodynamic monitoring problems is limited by the influence of temporal decorrelation and electromagnetic path delay variations in the atmosphere, both of which reduce the sensitivity and accuracy of the technique. The aim of this PhD thesis research is: how to optimize the quantity and quality of deformation signals extracted from InSAR stacks that contain only a low number of images in order to facilitate volcano monitoring and the study of their geophysical signatures. In particular, the focus is on methods of mitigating atmospheric artifacts in interferograms by combining time-series InSAR techniques and external atmospheric delay maps derived by Numerical Weather Prediction (NWP) models. In the first chapter of the thesis, the potential of the NWP Weather Research & Forecasting (WRF) model for InSAR data correction has been studied extensively. Forecasted atmospheric delays derived from operational High Resolution Rapid Refresh for the Alaska region (HRRRAK) products have been compared to radiosonding measurements in the first chapter. The result suggests that the HRRR-AK operational products are a good data source for correcting atmospheric delays in spaceborne geodetic radar observations, if the geophysical signal to be observed is larger than 20 mm. In the second chapter, an advanced method for integrating NWP products into the time series InSAR workflow is developed. The efficiency of the algorithm is tested via simulated data experiments, which demonstrate the method outperforms other more conventional methods. In Chapter 3, a geophysical case study is performed by applying the developed algorithm to the active volcanoes of Unimak Island Alaska (Westdahl, Fisher and Shishaldin) for long term volcano deformation monitoring. The volcano source location at Westdahl is determined to be approx. 7 km below sea level and approx. 3.5 km north of the Westdahl peak. This study demonstrates that Fisher caldera has had continuous subsidence over more than 10 years and there is no evident deformation signal around Shishaldin peak.
Author : California Energy Commission. Integrated Energy Policy Report Committee
Publisher :
ISBN 13 :
Total Pages : 322 pages
Book Rating : 4.:/5 (318 download)
Download or read book Integrated Energy Policy Report written by California Energy Commission. Integrated Energy Policy Report Committee and published by . This book was released on 2015 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1991 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Howard Zebker
Publisher : Wiley-Interscience
ISBN 13 : 9780471581109
Total Pages : 600 pages
Book Rating : 4.5/5 (811 download)
Download or read book Radar Interferometry written by Howard Zebker and published by Wiley-Interscience. This book was released on 2013-07-22 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the definitive text on the application of interferometric radar techniques to the solution of current geophysical problems, using examples and discoveries from the author's world-famous lab at Stanford University, JPL, NASA, and the Department of Defense. It describes the notation and coordinate systems used within the field, the importance of phase measurements, and provides a brief discussion of the parallel argument for point target scatterers. It also introduces the concept of correlation of radar signals from different antennas, fundamental to the performance of any interferometer.
Author : Evelyn J. Price
Publisher :
ISBN 13 :
Total Pages : 414 pages
Book Rating : 4.:/5 (318 download)
Download or read book Coseismic and Postseismic Deformations Associated with the 1992 Landers, California, Earthquake Measured by Synthetic Aperture Radar Interferometry written by Evelyn J. Price and published by . This book was released on 1999 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
