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Methods And Applications Of Radio Frequency Geophysics In Glaciology
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Book Synopsis Methods and Applications of Radio Frequency Geophysics in Glaciology by : Nicholas Holschuh
Download or read book Methods and Applications of Radio Frequency Geophysics in Glaciology written by Nicholas Holschuh and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Simple radar systems of the past were used primarily for radar depth sounding, the process of using reflection travel times and electromagnetic velocities to determine the ice thickness. Modern radioglaciology uses both the travel times and reflection amplitudes to make inferences about the englacial and subglacial environments; however, non-uniqueness in geophysical data, combined with the large number of physical parameters that control reflection amplitude, have led to significant uncertainties in this type of analysis.In this set of studies, I improve on data collection, processing, and assimilation methods, with a focus on radar reflection amplitudes and internal layers. The first two studies are devoted to radar survey methods, in which I examine the impact of reflector geometry on amplitude (2), and investigate an independent measure of radar attenuation using variable-offset data, in an effort to eliminate the effects of ice chemistry and temperature on reflection amplitudes (3). These studies emphasize the fact that radar data are a product of both the physical system and the imaging process, and caution glaciologists from over-interpreting processing artifacts common in radar data collected in areas of complex glacial flow.In the following two chapters, I go on to provide glaciological applications of processed radar data, interpreting the record of complex flow left behind in englacial reflector slopes (4), and applying improved boundary conditions to better predict the maximum extent of West Antarctic collapse (5). These studies use geometric information from the bed reflector and englacial reflectors to describe the flow regime present in Antarctica today. Chapter 4 examines how boundary conditions that are difficult to observe directly (the geothermal heat flux, as well as the frictional and deformation characteristics of the ice-sheet substrate) manifest through internal layer deformation. Chapter 5 focuses on Marie Byrd Land (MBL), where historically sparse data coverage hindered our ability to project future ice-sheet behavior. I developed a new basal topography for the region, and modeled the collapse state of the West Antarctic Ice Sheet in an effort to determine how much ice can evacuate from the MBL highlands. These chapters motivate the need for more thorough interpretation of the existing radar data, with a focus on better data integration in ice sheet models.
Book Synopsis Radioglaciology by : V.V. Bogorodsky
Download or read book Radioglaciology written by V.V. Bogorodsky and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: Antarctica, the sixth continent, was discovered more than 160 years ago. Since then this large, mysterious continent of ice and penguins has attracted world interest. Scientific expeditions from various countries have begun to study the geographical and natural conditions of the icy continent. Systematic and comprehensive inves tigations in the Antarctic started in the middle of our century. In 1956 the First Soviet Antarctic Expedition headed to the coast of Antarctica. Their program included studies of the atmosphere, hydrosphere and cryosphere. Thirty years have since passed. Scientists have unveiled many secrets of Antarctica: significant geophysical processes have been investigated, and a large body of new information on the Antarctic weather, Southern Ocean hydrology and Antarctic glaciers has been obtained. We can now claim that the horizons of polar geo physics, oceanology, and particularly glaciology, have expanded. Scientific inves tigators have obtained new information about all Antarctic regions and thus have created the opportunity to use the Antarctic in the interests of mankind.
Book Synopsis Electromagnetic methods in applied geophysics. 2. Applications : B by : Misac N. Nabighian
Download or read book Electromagnetic methods in applied geophysics. 2. Applications : B written by Misac N. Nabighian and published by . This book was released on 1991 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1986 with total page 1140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Methods in Applied Geophysics: Application, Part.A-B (2 v.) by : Misac N. Nabighian
Download or read book Electromagnetic Methods in Applied Geophysics: Application, Part.A-B (2 v.) written by Misac N. Nabighian and published by . This book was released on 1988 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Resources Research Catalog by :
Download or read book Water Resources Research Catalog written by and published by . This book was released on 1966 with total page 1464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1986 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Operation Hazen. Geophysical Methods in Glaciology by : H. Sandstrom
Download or read book Operation Hazen. Geophysical Methods in Glaciology written by H. Sandstrom and published by . This book was released on 1959 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Journal of Glaciology written by and published by . This book was released on 1978 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Geophysics in Periglacial Environments by : C. Hauck
Download or read book Applied Geophysics in Periglacial Environments written by C. Hauck and published by Cambridge University Press. This book was released on 2012-08-09 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many research problems in cryospheric science, such as global warming-induced permafrost degradation, require information about the subsurface, which can be imaged using geophysical methods. This book is a practical guide to the application of geophysical techniques in mountainous and polar terrain, where the harsh environment and nature of the subsurface pose particular challenges. It starts with an introduction to the main geophysical methods and then demonstrates their application in periglacial environments through various case studies - written by a team of international experts. The final part of the book presents a series of reference tables with typical values of geophysical parameters for periglacial environments. This handbook is a valuable resource for glaciologists, geomorphologists and geologists requiring an introduction to geophysical techniques, as well as for geophysicists lacking experience of planning and conducting field surveys in cold regions.
Book Synopsis Glaciers and Ice Sheets in the Climate System by : Andrew Fowler
Download or read book Glaciers and Ice Sheets in the Climate System written by Andrew Fowler and published by Springer Nature. This book was released on 2020-10-28 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our realisation of how profoundly glaciers and ice sheets respond to climate change and impact sea level and the environment has propelled their study to the forefront of Earth system science. Aspects of this multidisciplinary endeavour now constitute major areas of research. This book is named after the international summer school held annually in the beautiful alpine village of Karthaus, Northern Italy, and consists of twenty chapters based on lectures from the school. They cover theory, methods, and observations, and introduce readers to essential glaciological topics such as ice-flow dynamics, polar meteorology, mass balance, ice-core analysis, paleoclimatology, remote sensing and geophysical methods, glacial isostatic adjustment, modern and past glacial fluctuations, and ice sheet reconstruction. The chapters were written by thirty-four contributing authors who are leading international authorities in their fields. The book can be used as a graduate-level textbook for a university course, and as a valuable reference guide for practising glaciologists and climate scientists.
Book Synopsis Remote Sensing of Glaciers by : Petri Pellikka
Download or read book Remote Sensing of Glaciers written by Petri Pellikka and published by CRC Press. This book was released on 2009-12-16 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Glaciers and ice sheets have been melting significantly during recent decades, posing environmental threats at local, regional and global scales. Changes in glaciers are one of the clearest indicators of alterations in regional climate, since they are governed by changes in accumulation (from snowfall) and ablation (by melting of ice). Glacier chan
Book Synopsis Geophysics, Realism, and Industry by : Aitor Anduaga
Download or read book Geophysics, Realism, and Industry written by Aitor Anduaga and published by Oxford University Press. This book was released on 2015-12-17 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Did industry and commerce affect the concepts, values and epistemic foundations of different sciences? If so, how and to what extent? This book suggests that the most significant influence of industry on science in the two case studies treated here had to do with the issue of realism. Using wave propagation as the common thread, this is the first book to simultaneously analyse the emergence of realist attitudes towards the entities of the ionosphere and of the earth's crust. However, what led physicists and engineers to adopt realist attitudes? This book suggests that a new kind of realism --a realism of social and cultural origins- is the answer: a preliminary, entity realism responding to specific commercial and engineering interests, and a realism that was neither strictly instrumental nor exclusively operational. The book has two parts: while Part I focuses on the study of the ionosphere and how the British radio industry affected ionospheric physics, Part II focuses on the study of the Earth's crust and how the American oil industry affected crustal seismology.
Book Synopsis Remote Sensing of Earth Resources by : NASA Scientific and Technical Information Facility
Download or read book Remote Sensing of Earth Resources written by NASA Scientific and Technical Information Facility and published by . This book was released on 1970 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ground Penetrating Radar Theory and Applications by : Harry M. Jol
Download or read book Ground Penetrating Radar Theory and Applications written by Harry M. Jol and published by Elsevier. This book was released on 2008-12-08 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ground-penetrating radar (GPR) is a rapidly developing field that has seen tremendous progress over the past 15 years. The development of GPR spans aspects of geophysical science, technology, and a wide range of scientific and engineering applications. It is the breadth of applications that has made GPR such a valuable tool in the geophysical consulting and geotechnical engineering industries, has lead to its rapid development, and inspired new areas of research in academia. The topic of GPR has gone from not even being mentioned in geophysical texts ten years ago to being the focus of hundreds of research papers and special issues of journals dedicated to the topic. The explosion of primary literature devoted to GPR technology, theory and applications, has lead to a strong demand for an up-to-date synthesis and overview of this rapidly developing field. Because there are specifics in the utilization of GPR for different applications, a review of the current state of development of the applications along with the fundamental theory is required. This book will provide sufficient detail to allow both practitioners and newcomers to the area of GPR to use it as a handbook and primary research reference.*Review of GPR theory and applications by leaders in the field*Up-to-date information and references*Effective handbook and primary research reference for both experienced practitioners and newcomers
Download or read book Geophysical Abstracts ... written by and published by . This book was released on 1970-07 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electromagnetic Methods in Applied Geophysics by : M. N. Nabighian
Download or read book Electromagnetic Methods in Applied Geophysics written by M. N. Nabighian and published by . This book was released on 1991 with total page 972 pages. Available in PDF, EPUB and Kindle. Book excerpt:
