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Author: David Gibson
Publisher: Lulu.com
ISBN: 1445771055
Category : Caves
Languages : en
Pages : 82
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Book Description
Author: David Gibson
Publisher: Lulu.com
ISBN: 1445771055
Category : Caves
Languages : en
Pages : 82
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Book Description
Author: John Gunn
Publisher: Taylor & Francis
ISBN: 1135455090
Category : Reference
Languages : en
Pages : 1970
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Book Description
The Encyclopedia of Caves and Karst Science contains 350 alphabetically arranged entries. The topics include cave and karst geoscience, cave archaeology and human use of caves, art in caves, hydrology and groundwater, cave and karst history, and conservation and management. The Encyclopedia is extensively illustrated with photographs, maps, diagrams, and tables, and has thematic content lists and a comprehensive index to facilitate searching and browsing.
Author: David Gibson
Publisher: Lulu.com
ISBN: 1445769530
Category : Technology & Engineering
Languages : en
Pages : 302
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Book Description
Based on the author's PhD thesis, this book is a theoretical study of subterranean radio communication, with the focus on methods that depend primarily on the penetration of electromagnetic fields through the ground. Through-the-earth communication using e-m fields - specifically magnetic induction - plays a role in search and rescue systems used in the mining industry. It is also used for borehole telemetry, pipeline location and by cavers and pot-holers. Chapters describe propagation, antennas, and the design of transmitters and receivers. A figure of merit - the specific aperture - is introduced as an aid to antenna design. A crucial aspect of all systems is the signal to noise ratio, for which the strategy of noise-matching is introduced. The design of a wide-band low-frequency sounder is described, for channel evaluation using a non-ideal binary sequence. A method of calculating the inverse of a generalised sequence is described, for which cross-correlation results in a system identification signal.
Author: Mike Bedford (editor)
Publisher: Lulu.com
ISBN: 0900265450
Category :
Languages : en
Pages : 338
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Book Description
Author: William B. White
Publisher: Academic Press
ISBN: 0128141255
Category : Science
Languages : en
Pages : 1260
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Book Description
Encyclopedia of Caves, Third Edition, provides detailed background information to anyone with a serious interest in caves. This includes students, both undergraduate and graduate, in the earth, biological and environmental sciences, and consultants, environmental scientists, land managers and government agency staff whose work requires them to know something about caves and the biota that inhabit them. Caves touch on many scientific interests in geology, climate science, biology, hydrology, archaeology, and paleontology, as well as more popular interests in sport caving and cave exploration. Case studies and descriptions of specific caves selected for their special features and public interest are also included. This book will appeal to these audiences by providing in-depth essays written by expert authors chosen for their expertise in their assigned subject. - Features 14 new chapters and 13 completely rewritten chapters - Contains beautifully illustrated content, with more than 500 color images of cave life and features - Provides extensive bibliographies that allow readers to access their subject of interest in greater depth
Author: William B. White
Publisher: Springer
ISBN: 3319658018
Category : Science
Languages : en
Pages : 411
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Book Description
The focus of this book is on the more than 2000 caves of the Greenbrier Valley of West Virginia of which the 14 with lengths greater than 10 km have an aggregate length of 639 km. The major caves form the core part of sub-basins which drain to big springs and ultimately to the Greenbrier River. Individual chapters of this book describe each of the major caves and its associated drainage basin. The caves are formed in the Mississippian Greenbrier Limestone in a setting of undulating gentle folds. Fractures, lineaments and confining layers within the limestone are the main controlling factors. The caves underlie an extensive sinkhole plain which may relate to a major erosion surface. The caves are habitat for both aquatic and terrestrial organisms which are cataloged and described as are the paleontological remains found in some of the caves. The sinkhole plain of the Greenbrier karst and the underlying complex of cave systems are the end result of at least a ten million year history of landscape evolution which can be traced through the evolving sequence of cave passages and which is described in this book.
Author: Julie Hauserman
Publisher: University Press of Florida
ISBN: 0813063507
Category : Biography & Autobiography
Languages : en
Pages : 243
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Book Description
National Outdoor Book Award, History/Biography Category Dan's Cave looks like the entrance to the underworld. Two divers swim along a luminous blue-green passage, flashlights cutting through the water, a dark mass of stalactites suspended overhead. This is the breathtaking National Geographic cover photo taken by Wes Skiles (1958–2010), a top nature photographer who died in a diving accident before the issue was published. Drawn to the Deep celebrates the life of an extraordinary adventurer who braved extreme danger to share the hidden beauty and environmental truths of the planet with others. Skiles felt a pull to the water as a child, captivated by the cobalt springs of Florida. His passion for diving and his innovative camera techniques earned him assignments with National Geographic and Outside. He also took part in creating over a hundred films, many of which won international awards and acclaim. Skiles was a self-taught expert on Florida's freshwater springs and an outspoken advocate for their conservation. He went head to head with scientists and government officials who dismissed his firsthand observations of water movement through the "Swiss-cheese" karst rock of the underground aquifer. But he never gave up on his quest to disprove the prevailing scientific models or to protest what they allowed—the unchecked pumping and depletion of Florida's groundwater. Through interviews with Skiles's friends and family, along with insights from his own journals, Julie Hauserman describes the escapades and achievements that characterized his life's work. This book is the inspiring story of an explorer and activist who uncovered environmental abuses, advanced the field of underwater photography, and astonished the world with unprecedented views of the secret depths of the planet.
Author: Mike Bedford (editor)
Publisher: Lulu.com
ISBN: 0900265442
Category :
Languages : en
Pages : 305
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Book Description
Author: Nico Goldscheider
Publisher: CRC Press
ISBN: 1482266024
Category : Science
Languages : en
Pages : 279
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Book Description
Filling a gap in the karst literature, this book describes methods most appropriate for use in karst terrains. These include methods that are basic to all hydrogeological studies, such as hydraulic investigations, hydrochemistry, geophysics, isotope chemistry and modelling, with the emphasis placed on their application to karst systems. The various chapters of this book are written by experts in all the different methods. Most of the chapters are multi-authored, and the authors include hydrogeologists who are experienced in evaluating a variety of karst environments and who together, provide a balanced view of all the karst methods.
Author: Eric Gilli
Publisher: CRC Press
ISBN: 1482243164
Category : Science
Languages : en
Pages : 254
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Book Description
Karst landscapes are home to 25 percent of the world's drinking water supplies, and in many countries water supply is highly dependent on karst aquifers. Their unique structures, containing many voids, are a particular problem for building corporations and land developers. This book, written by the well-known karstologist Eric Gilli, presents
