Geophysical Inverse Theory and Regularization Problems (Methods in Geochemistry and Geophysics)

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This book presents state-of-the-art geophysical inverse theory developed in modern mathematical terminology. The book brings together fundamental results developed by the Russian mathematical school in regularization theory and combines them with the related research in geophysical inversion carried out in the West. It presents a detailed exposition of the methods of regularized solution of inverse problems based on the ideas of Tikhonov regularization, and shows the different forms of their applications in both linear and nonlinear methods of geophysical inversion. This text is the first to treat many kinds of inversion and imaging techniques in a unified mathematical manner.

The book is divided in five parts covering the foundations of the inversion theory and its applications to the solution of different geophysical inverse problems, including potential field, electromagnetic, and seismic methods. The first part is an introduction to inversion theory. The second part contains a description of the basic methods of solution of the linear and nonlinear inverse problems using regularization. The following parts treat the application of regularization methods in gravity and magnetic, electromagnetic, and seismic inverse problems. The key connecting idea of these applied parts of the book is the analogy between the solutions of the forward and inverse problems in different geophysical methods. The book also includes chapters related to the modern technology of geophysical imaging, based on seismic and electromagnetic migration.

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Artificial Neural Networks (ANNs) offer an efficient method for finding optimal cleanup strategies for hazardous plumes contaminating groundwater by allowing hydrologists to rapidly search through millions of possible strategies to find the most inexpensive and effective containment of contaminants and aquifer restoration. ANNs also provide a faster method of developing systems that classify seismic events as being earthquakes or underground explosions.

Farid Dowla and Leah Rogers have developed a number of ANN applications for researchers and students in hydrology and seismology. This book, complete with exercises and ANN algorithms, illustrates how ANNs can be used in solving problems in environmental engineering and the geosciences, and provides the necessary tools to get started using these elegant and efficient new techniques.

Following the development of four primary ANN algorithms (backpropagation, self-organizing, radial basis functions, and hopfield networks), and a discussion of important issues in ANN formulation (generalization properties, computer generation of training sets, causes of slow training, feature extraction and preprocessing, and performance evaluation), readers are guided through a series of straightforward yet complex illustrative problems. These include groundwater remediation management, seismic discrimination between earthquakes and underground explosions, automated monitoring for acoustic and seismic sensor data, estimation of seismic sources, geospatial estimation, lithologic classification from geophysical logging, earthquake forecasting, and climate change. Each chapter contains detailed exercises often drawn from field data that use one or more of the four primary ANN algorithms presented.

Geophysical Data Analysis: Discrete Inverse Theory Revised Edition (International Geophysics Series) (International Geophysics)

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Geophysical Data Analysis: Discrete Inverse Theory Revised Edition (International Geophysics Series) (International Geophysics)
William Menke
Manufacturer: Academic Press
ProductGroup: Book
Binding: Hardcover

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ASIN: 0124909213

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Please use extracts from reviews of first edition

Key Features
* Updated and thoroughly revised edition
* additional material on geophysical/acoustic tomography
* Detailed discussion of application of inverse theory to tectonic, gravitational and geomagnetic studies

Inverse Problems in Groundwater Modeling (Theory and Applications of Transport in Porous Media)

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Inverse Problems in Groundwater Modeling (Theory and Applications of Transport in Porous Media)
Ne-Zheng Sun
Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 0792329872

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... A diskette with the updated programme of Appendix C and examples is available through the author at a small fee. email: nezheng@ucla.edu or at: URL http://www.seas.ucla.edu/~nezheng/ fax: 1--310--825--5435 ... This book systematically discusses basic concepts, theory, solution methods and applications of inverse problems in groundwater modeling. It is the first book devoted to this subject. The inverse problem is defined and solved in both deterministic and statistic frameworks. Various direct and indirect methods are discussed and compared. As a useful tool, the adjoint state method and its applications are given in detail. For a stochastic field, the maximum likelihood estimation and co-kriging techniques are used to estimate unknown parameters. The ill-posed problem of inverse solution is highlighted through the whole book. The importance of data collection strategy is specially emphasized. Besides the classical design criteria, the relationships between decision making, prediction, parameter identification and experimental design are considered from the point of view of extended identifiabilities. The problem of model structure identification is also considered. This book can be used as a textbook for graduate students majoring in hydrogeology or related subjects. It is also a reference book for hydrogeologists, petroleum engineers, environmental engineers, mining engineers and applied mathematicians.

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An insider's view of the birth of international environmentalism
Insightful, Interesting, but more like an autobiography.....
Insightful, Interesting, but more like an autobiography.....
Where on Earth are We Going?
Disappointing

Where on Earth Are We Going?
Maurice Strong
Manufacturer: Texere
ProductGroup: Book
Binding: Hardcover

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ASIN: 158799092X

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World hunger, environmental disaster, global warming, massive shifts in weather systems, the re-emergence of diseases long thought controlled, and political turmoil in a world where a barrel of water is more expensive than a barrel of oil. So says the Report to Shareholders, Earth, Inc., dated January 1, 2031 that begins, Where on earth are we going? Maurice Strong's apocalyptic prophesy for the future - unless we're lucky or wise - is a call to action for all who care about the state of the earth in the near future. Strong, the executive coordinator of the reform effort at the UN and senior advisor to the President of the World Bank, has one goal: to shape a peaceful and equitable future for all humankind. Hard-headed, practical, impassioned, Where on Earth are We Going? is a call to action by a key business and environmental player at the beginning of the 21st century that can not be ignored and will be much debated.

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An insider's view of the birth of international environmentalism .......2007-05-23

This is two books in one: an autobiographical view of how one of the world's foremost environmentalists attempted to achieve his goals, and an insider's story of how international environmentalism grew up overnight, in a frenzy of some successes and too many failures.

The book is invaluable for its vivid portrayal of the details and complexities that those less well situated are unable to write about first hand, such as 99% of the world's writers. If you want to understand the nitty gritty of how global environmentalism works and why, "Where on Earth Are We Going?" will take you there.

It will also take you to where I wanted to go in the fall of 2001, when I read the book. That's the year I made the move to working on the sustainability problem full time. I had a lot of learning to do, and Maurice Strong filled in huge gaps in my education.

He also pointed out some of the phenomena that were beginning to attract my analysis. For example, looking over my notes on the book, Maurice explained how solving the poverty problem came to be linked to solving the environmental sustainability problem. To me this has been a historical error for two reasons: One is that the environment must have the highest priority, because if it becomes uninhabitable, then no other problem matters. The second is that Homo sapiens has had the poverty problem for a long, long time--it's that difficult. To attempt to suddenly solve it now by tacking it onto the shoulders of another problem only makes that problem a harder one to solve.

Maurice was the Secretary-General of the 1972 Stockholm conference, which gave him the ultimate insider's viewpoint. He wrote that "The biggest threat to the conference was the ambivalence, even apathy, that developing countries felt toward the whole issue of the environment. From the beginning, developing countries had regarded the West's concern with `the environment' as just another fad of the industrialized countries; in their view pollution and environmental contamination were diseases of the rich.... Most of them would gladly exchange a little pollution for the benefits of economic growth."

Seeing this undercurrent, Maurice "... knew the conference would fail if we couldn't persuade the developing countries to take part. ... The key concept called for a redefinition and expansion of environment to link it directly to the economic development process and the concerns of developing countries."

This was a fateful decision. The solution to the poverty problem of unindustrialized countries was assumed to be development, and the strategy was to "link" this development to solving the environmental sustainability problem. But these are really two very different and separate problems. By linking them together, into what was soon called "sustainable development," the world's problem solvers horse traded one historically intractable problem and one brand new difficult but probably solvable problem into guess what? One big Gordian Knot of an insolvable problem.

Once the offer was made, there was no turning back. Twisted logic became the new norm, such as "The key was to insist that the needs of developing countries would be best served by treating the environment as an integral dimension of development rather than an impediment." But if a country grows economically, and that causes the environment to suffer, then that effect should be treated as "an impediment," not success. Otherwise you have apparently forgotten about the original problem.

Soon, despite the fact that the industrialized countries were producing the lion's share of pollution, "...at the opening session Prime Minister [Indira] Gandhi made what was one of the most influential speeches of the entire conference, with its theme that `poverty is the greatest polluter of all.' "

This should give you a taste of what the book has to offer. If, like me, you are trying to wrap your arms around the whole of the sustainability problem, and you want original source material, then this is one fount to drink deeply from, and find out where on earth we are going, and why.

Jack Harich

Insightful, Interesting, but more like an autobiography............2002-11-14

Well I must say, this was an interesting read to say the least. To be qiute honest this book was not what I expected from reading the backcover. Much of the book seemed like an autobiograghpy( which isn't too bad since he has lived an intersting live) and the rest was on three main issues, Globalization, the Enviroment, and Politics. Though some of the book was a little dry I found the opening and the final few chapters to be very well done. This was an enlightening book which opens doors and makes you think "Where on earth are we going?" I would give this book 3 stars but I gave the extra star for the extremely interesting facts. This book also gives you a good feeling of the structure of the U.N. I would recommend this book to anyone who is interested in international political science, the U.N. or interesting theories to prevent the earths head on collision with dooms day via pollution. Check it out!!!

Insightful, Interesting, but more like an autobiography............2002-11-14

Where on Earth are We Going?.......2001-09-20

I've seen both excited and disappointed reviews of Mr. Strong's book; I came down in the middle reaching toward both reactions. The book is the account of a life lived and answers sought with seemingly boundless verve, skill, and fairmindedness. Is is also a book that frequently frustrates the reader by never fully delivering on any of the goals it seems to set for itself. It is first and foremost an autobiography, but noone will completely understand Strong's life from it: most notably he is, to put it mildly, elliptical about the end of his first marriage. That is none of our business, of course, but it does leave a considerable gap in the story. By contrast, he gives copious detail about his many professional associates and their interactions, so that the book is also something of a social register. It is wearying to follow this cavalcade of characters, but it is clearly a measure of how much Strong enjoys his fellow beings, including those who have been difficult for him. It is also, I expect, his sincere effort to acknowledge and thank the many people who toil with great talent and commitment in business, government, and nonprofits who seldom get the public recognition that celebrities and elected leaders get. The book was also, for this reader, a foray into the life of business--a world I rarely investigate--and the account of Strong's rescue and reform of Ontario Hydro actually makes big business sound like fun--and ethical too. But this is one of Strong's great gifts: to straddle business, government, and environmental advocacy, standing lifelong for integrating them, as we all collectively must in the years ahead. So, the book is also a primer on management and organizational reform. By turns, it is also about philosophy--environmental, social, personal, spiritual, legal, economic--whatever is on Strong's horizon at any given point. As leader, facilitator, and exemplar, he has made important contributions to Earth-care and sustainability, and readers will find here many valuable ideas on these issues but no systematic and detailed exposition of them. One does find, however, such an exposition of the author's proposals for UN reform, for another of the many hats this book wears is that it is a partial history of the UN and an account of the issues and problems it confronts--that WE confront as we stumble, however resistantly, toward being a healthy world community. Strong's story takes on a special eloquence and intensity when he tells about the gift he received from a famine-stricken Sudanese woman--the book is worth reading just for this passage.
In sum, this book is a bit of a juggling act, but then juggling countless pursuits has been Strong's forte throughout his life, with the flair and genius of a real performer. If you don't expect a thorough, focussed treatment of one subject, you can surely find something of value in its abundance.

As a final note: the book would have benefitted from more proofreading than it got. There are numerous errors of syntax, punctuation, and the like--even a reversal of pages (346 & 347)--that should have been caught before publication.

Disappointing.......2001-05-25

I read this book hoping that it would be about environmentalism. Instead it is an autobiography of the author. To make matters worse it is not even a good autobiography. While the author has had an interesting life and many diversified experiences in many fields the book doesn't read well. The author, for instance, will note that he took over a new position and he'll go on for pages and pages about who he hired and how competent they were. However in these pages of lavish praise he tells the reader little, if anything, substantive about what they (or he) were doing or accomplishing. This happened over and over through the book until about two thirds of the way through I just gave up reading it. On the positive side he does convey the distrust that the third world feels towards the western nations on environmental issues and discusses ways and bringing the two together. Unfortunately, the book has too many faults and too few virtues.

Maximum Entropy and Bayesian Methods in Inverse Problems (Fundamental Theories of Physics)

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Maximum Entropy and Bayesian Methods in Inverse Problems (Fundamental Theories of Physics)

Manufacturer: Springer
ProductGroup: Book
Binding: Hardcover

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ASIN: 9027720746

Mathematical Foundation of Geodesy: Selected Papers of Torben Krarup

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Mathematical Foundation of Geodesy: Selected Papers of Torben Krarup

Manufacturer: Springer
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Binding: Hardcover

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ASIN: 3540337652

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This volume contains selected papers by Torben Krarup, one of the most important geodesists of the 20 ^th century. His writings are mathematically well founded and scientifically relevant. In this impressive collection of papers he demonstrates his rare innovative ability to present significant topics and concepts. Modern students of geodesy can learn a lot from his selection of mathematical tools for solving actual problems.
The collection contains the famous booklet "A Contribution to the Mathematical Foundation of Physical Geodesy" from 1969, the unpublished "Molodenskij letters" from 1973, the final version of "Integrated Geodesy" from 1978, "Foundation of a Theory of Elasticity for Geodetic Networks" from 1974, as well as numerous trend setting papers on the theory of adjustment.

Analytic Number Theory and Diophantine Problems: Proc.of a Conference at Oklahoma State University, 1984 (Progress in Mathematics)

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Analytic Number Theory and Diophantine Problems: Proc.of a Conference at Oklahoma State University, 1984 (Progress in Mathematics)

Manufacturer: Birkhäuser Boston
ProductGroup: Book
Binding: Hardcover

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ASIN: 0817633618

Discrete Inverse and State Estimation Problems: With Geophysical Fluid Applications

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Discrete Inverse and State Estimation Problems: With Geophysical Fluid Applications
Carl Wunsch
Manufacturer: Cambridge University Press
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Binding: Hardcover

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ASIN: 0521854245

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The problems of making inferences about the natural world from noisy observations and imperfect theories occur in almost all scientific disciplines. This book addresses these problems using examples taken from geophysical fluid dynamics. It focuses on discrete formulations, both static and time-varying, known variously as inverse, state estimation or data assimilation problems. Starting with fundamental algebraic and statistical ideas, the book guides the reader through a range of inference tools including the singular value decomposition, Gauss-Markov and minimum variance estimates, Kalman filters and related smoothers, and adjoint (Lagrange multiplier) methods. The final chapters discuss a variety of practical applications to geophysical flow problems. Discrete Inverse and State Estimation Problems is an ideal introduction to the topic for graduate students and researchers in oceanography, meteorology, climate dynamics, and geophysical fluid dynamics. It is also accessible to a wider scientific audience; the only prerequisite is an understanding of linear algebra.

Dynamic Systems and Dynamic Classification Problems in Geophysical Applications (Data and Knowledge in a Changing World)

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Dynamic Systems and Dynamic Classification Problems in Geophysical Applications (Data and Knowledge in a Changing World)
Jacques O. Dubois , and A. Gvishiani
Manufacturer: Amer Inst of Physics
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Binding: Hardcover

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This first of two volumes on natural dynamic systems presents the state of the art of analysis and application to geophysical problems. It lays out the theoretical foundation of dynamic pattern recognition and discusses the tools for modeling based on very large sets of geophysical data.

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