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Books > Earth & environment > Earth sciences > The hydrosphere > Hydrology (freshwater)

Great River of the West - Essays on the Columbia River (Paperback, New): William L Lang, Robert Carriker Great River of the West - Essays on the Columbia River (Paperback, New)
William L Lang, Robert Carriker
R721 Discovery Miles 7 210 Ships in 12 - 19 working days

In the Pacific Northwest, the river of dominance is the Columbia, and in ways both profound and mundane its history is the history of the region. In "Great River of the West" historians and anthropologists consider a range of topics about the river, from Indian rock art, Chinook Jargon, and ethnobotany on the Columbia to literary and family history, the creation of an engineered river, and the inherent mythic power of place.

Since first contact between Euro-Americans and Native peoples during the late 18th century, the river's history has been characterized by dramatic demographic, social, and economic changes. The remarkable set of essays in Great River of the West investigate these changes by highlighting important episodes in the history of the river. Readers meet mariners who challenge the Columbia River bar, a family torn by insanity, Native people who preserve fishing traditions, and dam-builders who radically change the Columbia.

Perspectives in Meiobenthology - Reviews, Reflections and Conclusions (Paperback, 1st ed. 2019): Olav Giere Perspectives in Meiobenthology - Reviews, Reflections and Conclusions (Paperback, 1st ed. 2019)
Olav Giere
R1,332 Discovery Miles 13 320 Ships in 9 - 17 working days

Although of high abundance, diversity and ecological importance, meiofauna is little covered by relevant scientific media. How can this negligence be overcome? The present treatise highlights promising meiofauna research fields, selected both from basic and applied science, as well as new methods that could strengthen the potential of meiobenthology. Selected recent meiofauna studies, often supported by rapidly advancing gene-based methods, underline the relevance and potential of meiobenthology revealing characteristics and harassments of ecosystems, not the least in extreme habitats. Also in the more classical domains such as taxonomy and phylogeny, progress in meiobenthos research defines a new and deeper scientific understanding.

Groundwater Contamination in Coastal Aquifers - Assessment and Management (Paperback): Senapathi Venkatramanan, Selvam Sekar,... Groundwater Contamination in Coastal Aquifers - Assessment and Management (Paperback)
Senapathi Venkatramanan, Selvam Sekar, Prasanna Mohan Viswanathan, Chidambaram Sabarathinam
R3,353 Discovery Miles 33 530 Ships in 9 - 17 working days

Groundwater Contamination in Coastal Aquifers: Assessment and Management first describes groundwater contamination in coastal aquifers and then delves into specific topics surrounding various hydrogeochemical processes. Next, the book covers case studies of groundwater quality assessment using recent techniques, explains the various pollutants and contaminants in coastal aquifers, and covers management and remediation methods to control contamination in coastal aquifers. This key reference encompasses various topics in broader perspectives on groundwater contamination in coastal aquifers, providing a significant contribution to the field of hydrogeology.

Pollution of Lakes and Rivers - A Paleoenvironmental Perspective 2e (Paperback, 2nd Edition): J. P. Smol Pollution of Lakes and Rivers - A Paleoenvironmental Perspective 2e (Paperback, 2nd Edition)
J. P. Smol
R1,877 Discovery Miles 18 770 Ships in 12 - 19 working days

Now in its second edition, "Pollution of Lakes and Rivers" provides essential insights into present-day water quality problems from an international perspective.
Explains simply and effectively how lake sediments can be used to reconstruct pollution history
Includes over 200 additional references and a new chapter on recent climatic change and its effects on water quality and quantity
Tackles present-day water quality problems from an international perspective
Previously published by Hodder Arnold

PowerPoint slides of the artwork from the book are available from:

http: //post.queensu.ca/ pearl/textbook.htm


Reviews:

"This is a very well-written and wide-ranging volume that is both instructive and topical. It is likely to prove useful as an introduction to the general area, a reference source and for teaching purposes." ("The Holocene," November 2008)

"If you thought that paleolimnology was just mud, pollen, and diatoms then you will likely be both struck by the complexity of this field of research and grateful that John Smol, FRSC, has described it so clearly and broadly. Simply put, the second edition is an excellent book." "( Journal of Phycology, 2008)"

"This is a useful text. It provides a good level of detail so that the beginner in this area can appreciate what palaeolimnology can (and cannot) achieve. It goes beyond the simple introduction to provide a detailed understanding of how techniques can be applied ... This is a different take on the usual pollution text and would be of great use to those wishing to understand more from sedimentary records." "Taken from the British Ecological Society's Teaching Ecology website"

"John Smol has extensive experience in this field of paleoenvironmental research which he combines well with his excellent written communication skills to produce a text that is easy to read but also thought provoking." "(Quaternary Science Reviews, 2009)"

"The breadth of coverage in this text is impressive." "(Lake and Reservoir Management"," 2009)"

"If I could speak with fluidity and clarity in my lectures as consistently as John Smol writes my students would be very grateful." "(Journal of Paleolimnology, 2009)"

From Where Life Flows - The Local Knowledge & Politics of Water in the Andes (Paperback): Frode F. Jacobsen From Where Life Flows - The Local Knowledge & Politics of Water in the Andes (Paperback)
Frode F. Jacobsen
R721 R681 Discovery Miles 6 810 Save R40 (6%) Ships in 12 - 19 working days

Whilst a large number of foreign and state initiated water management systems have failed for various reasons, locally developed water harvesting systems have proven their viability by surviving for hundreds of years. Whilst there has to be some recognition of the geographical limits and some questions asked about the quality of these water supplies, even with these detractors accounted for these systems often remain superior to those imposed by political and private interests, not only in terms of their reliability, but also in terms of their flexibility and more equitable control.This book aims to offer a closer look at local flexible strategies for securing water resources under demanding climatic conditions and during environmental changes. The research dealt with here aims to identify a range of initiatives that have been created by and for members of indigenous communities to address such challenges, such as traditional structures for collecting run-off and rainwater. It poses the questions: How have these strategies been formed and made to operate? What positive and negative lessons can be learned from the interplay between local knowledge, subsistence strategies, and the influx of knowledge and initiatives from the outside?As well as describing the function and social significance of water harvesting systems, a further aim of this book is to highlight the wider political and economic context of local knowledge about water harvesting and its uses, and the impact of contrasting management strategies on social development in the local communities involved. Water harvesting and irrigation systems form an important part of the vast knowledge that indigenous and local populations have of their natural environment. Such knowledge is embedded within complex social organisations, and forms the basis of both formal and important non-formal social networks. Indeed, together with the management of land, the management of water resources frequently provides the basis of social institutions and relationships to which ideas of belonging and community membership are tied.Indeed, water resources, along with other natural resources, comprise not only a vital element of subsistence, but also a vital field of social and political inter-action and practice.

Agricultural Groundwater Revolution - Comprehensive  Assessment of Water Management in Agriculture (Hardcover, New): Mark... Agricultural Groundwater Revolution - Comprehensive Assessment of Water Management in Agriculture (Hardcover, New)
Mark Giordano, Karen Villholth
R3,612 Discovery Miles 36 120 Ships in 12 - 19 working days

While addressing the issues of using groundwater in agriculture for irrigation in the developing world, this book discusses the problems associated with the degradation and overexploitation of using it. It explores the practiced and potential methods for its management in the context of agricultural development.

Reigning the River - Urban Ecologies and Political Transformation in Kathmandu (Paperback, New): Anne Rademacher Reigning the River - Urban Ecologies and Political Transformation in Kathmandu (Paperback, New)
Anne Rademacher
R833 Discovery Miles 8 330 Ships in 12 - 19 working days

A major contribution to the nascent anthropology of urban environments, "Reigning the River" illuminates the complexities of river restoration in Kathmandu, Nepal's capital and one of the fastest-growing cities in South Asia. In this rich ethnography, Anne M. Rademacher explores the ways that urban riverscape improvement involved multiple actors, each constructing ideals of restoration through contested histories and ideologies of belonging. She examines competing understandings of river restoration, particularly among bureaucrats in state and conservation-development agencies, cultural heritage activists, and advocates for the security of tens of thousands of rural-to-urban migrants settled along the exposed riverbed.

Rademacher conducted research during a volatile period in Nepal's political history. As clashes between Maoist revolutionaries and the government intensified, the riverscape became a site of competing claims to a capital city that increasingly functioned as a last refuge from war-related violence. In this time of intense flux, efforts to ensure, create, or imagine ecological stability intersected with aspirations for political stability. Throughout her analysis, Rademacher emphasizes ecology as an important site of dislocation, entitlement, and cultural meaning.

A World of Rivers (Paperback): Ellen Wohl A World of Rivers (Paperback)
Ellen Wohl
R1,007 Discovery Miles 10 070 Ships in 12 - 19 working days

"A World of Rivers" explores the confluence of human and environmental change on ten of the great rivers of the world. Ranging from the Yellow River in China to Central Europe's Danube, the book journeys down the most important rivers in all corners of the globe. Wohl shows us how pollution, such as in the Ganges and in the Ob of Siberia, has affected biodiversity in the water. But rivers are also resilient, and Wohl stresses the importance of conservation and restoration to help reverse the effects of human carelessness and hubris. What these diverse rivers share is a critical role in shaping surrounding landscapes and biological communities, and Wohl's book ultimately makes a strong case for the need to steward positive change in the world's great rivers.

GIS and Geocomputation for Water Resource Science and Engineering (Hardcover): BB Dixon GIS and Geocomputation for Water Resource Science and Engineering (Hardcover)
BB Dixon
R4,288 Discovery Miles 42 880 Ships in 12 - 19 working days

GIS and Geocomputation for Water Resource Science and Engineering not only provides a comprehensive introduction to the fundamentals of geographic information systems but also demonstrates how GIS and mathematical models can be integrated to develop spatial decision support systems to support water resources planning, management and engineering. The book uses a hands-on active learning approach to introduce fundamental concepts and numerous case-studies are provided to reinforce learning and demonstrate practical aspects. The benefits and challenges of using GIS in environmental and water resources fields are clearly tackled in this book, demonstrating how these technologies can be used to harness increasingly available digital data to develop spatially-oriented sustainable solutions. In addition to providing a strong grounding on fundamentals, the book also demonstrates how GIS can be combined with traditional physics-based and statistical models as well as information-theoretic tools like neural networks and fuzzy set theory.

Vision and Place - John Wesley Powell and Reimagining the Colorado River Basin (Hardcover): Jason Robison, Daniel McCool,... Vision and Place - John Wesley Powell and Reimagining the Colorado River Basin (Hardcover)
Jason Robison, Daniel McCool, Thomas Minckley; Foreword by Charles Wilkinson
R1,982 Discovery Miles 19 820 Ships in 12 - 19 working days

The Colorado River Basin's importance cannot be overstated. Its living river system supplies water to roughly forty million people, contains Grand Canyon National Park, Bears Ears National Monument, and wide swaths of other public lands, and encompasses ancestral homelands of twenty-nine Native American tribes. John Wesley Powell, a one-armed Civil War veteran, explorer, scientist, and adept federal administrator, articulated a vision for Euro-American colonization of the "Arid Region" that has indelibly shaped the basin-a pattern that looms large not only in western history, but also in contemporary environmental and social policy. One hundred and fifty years after Powell's epic 1869 Colorado River Exploring Expedition, this volume revisits Powell's vision, examining its historical character and its relative influence on the Colorado River Basin's cultural and physical landscape in modern times. In three parts, the volume unpacks Powell's ideas on water, public lands, and Native Americans-ideas at once innovative, complex, and contradictory. With an eye toward climate change and a host of related challenges facing the basin, the volume turns to the future, reflecting on how-if at all-Powell's legacy might inform our collective vision as we navigate a new "Great Unknown."

Hydrogeochemistry Fundamentals and Advances V 1 - Groundwater Composititon and Chemistry (Hardcover, Volume 1): V Tikhomirov Hydrogeochemistry Fundamentals and Advances V 1 - Groundwater Composititon and Chemistry (Hardcover, Volume 1)
V Tikhomirov
R4,937 Discovery Miles 49 370 Ships in 12 - 19 working days

Water is the Earth's most precious resource. Until recent years, water was often overlooked as being overly abundant or available, but much has changed all over the world. As climate change, human encroachment on environmental areas, and deforestation become greater dangers, the study of groundwater has become more important than ever and is growing as one of the most important areas of science for the future of life on Earth. This three-volume set is the most comprehensive and up-to-date treatment of hydrogeochemistry that is available. The first volume lays the foundation of the composition, chemistry, and testing of groundwater, while volume two covers practical applications such as mass transfer and transport. Volume three, which completes the set, is an advanced study of the environmental analysis of groundwater and its implications for the future. This first volume in the set is an important milestone in hydrogeochemistry, covering the fundamentals of groundwater science. It also goes further into testing methods, applications of testing, and analysis. It is not only the introductory text for this groundbreaking and ambitious new three-volume project, but it is also a valuable reference for the scientist, engineer, or student. Whether as a textbook or a reference work, this volume is a must-have for any library on hydrogeochemistry.

Aquatic Chemistry - Chemical Equilibria and Rates in Natural Waters 3e (Paperback, Reissued 3rd Ed): W Stumm Aquatic Chemistry - Chemical Equilibria and Rates in Natural Waters 3e (Paperback, Reissued 3rd Ed)
W Stumm
R4,004 Discovery Miles 40 040 Ships in 12 - 19 working days

The authoritative introduction to natural water chemistry THIRD EDITION

Now in its updated and expanded Third Edition, Aquatic Chemistry remains the classic resource on the essential concepts of natural water chemistry. Designed for both self-study and classroom use, this book builds a solid foundation in the general principles of natural water chemistry and then proceeds to a thorough treatment of more advanced topics. Key principles are illustrated with a wide range of quantitative models, examples, and problem-solving methods.

Major subjects covered include:

  • Chemical Thermodynamics
  • Solid-Solution Interface and Kinetics
  • Trace Metals
  • Acids and Bases
  • Kinetics of Redox Processes
  • Dissolved Carbon Dioxide
  • Photochemical Processes
  • Atmosphere-Water Interactions
  • Kinetics at the Solid-Water
  • Metal Ions in Aqueous Solution Interface
  • Precipitation and Dissolution
  • Particle-Particle Interaction
  • Oxidation and Reduction
  • Regulation of the Chemical
  • Equilibria and Microbial Mediation Composition of Natural Waters
The Bluefin Tuna Fishery in the Bay of Biscay - Its Relationship with the Crisis of Catches of Large Specimens in the East... The Bluefin Tuna Fishery in the Bay of Biscay - Its Relationship with the Crisis of Catches of Large Specimens in the East Atlantic Fisheries from the 1960s (Paperback, 1st ed. 2019)
Jose Luis Cort, Pablo Abaunza
R769 Discovery Miles 7 690 Ships in 10 - 15 working days

This open access book is an original contribution to the knowledge on fishing and research associated with one of the most enigmatic fish of our seas: bluefin tuna, Thunnus thynnus (L.). Based on available evidence, it reconstructs the possible methods used to catch large spawners in the Strait of Gibraltar thousands of years ago and describes the much more recent overfishing that led to a great reduction in the catches of the trap fishery on the area and the disappearance of the northern European fisheries. It is the first book to relate the overfishing of juvenile fishes in certain areas to the decline of large spawners in other very distant areas, revealing one of the main underlying causes of this decline, which has remained a mystery to the fishing sector and scientists alike for over 50 years. This finding should serve to prevent similar cases from arising in the future.

Groundwater Modeling Using Geographical Information Systems (Hardcover): G.F. Pinder Groundwater Modeling Using Geographical Information Systems (Hardcover)
G.F. Pinder
R3,563 Discovery Miles 35 630 Ships in 12 - 19 working days

Cutting-edge techniques for groundwater modeling using GIS technology

Groundwater Modeling Using Geographical Information Systems covers fundamental information on flow and mass transport modeling and demonstrates how GIS technology makes these models and analyses more accurate than ever before.

GIS technology allows for swift organization, quantification, and interpretation of large quantities of geohydrological data with computer accuracy and minimal risk of human error. This book’s companion Web site provides the Princeton Transport Code, as well as the plug-in extensions required to interface this code with the Argus ONE numerical environment software enclosed with this book. Plug-in extensions for MODFLOW and MT3D computer codes can be found at the Argus ONE Web site (www.argusint.com). The process for using the Geographic Modeling Approach (GMA) to model groundwater flow and transport is demonstrated step by step with a field example from Tucson, Arizona. The GMA is composed of the Argus ONE Geographic Information Modeling system and the Princeton Transport Code groundwater flow and transport model, interfaced through the plug-in extension available on Argus ONE.

Enhanced with more than 150 illustrations and screen captures, Groundwater Modeling Using Geographical Information Systems is a fundamental book for civil engineers, hydrologists, environmental engineers, geologists, and students in these fields, as well as software engineers working on GIS applications and environmental attorneys and regulators. When used in combination with the free modeling software, this book provides an excellent student text.

Plasticity and Geomechanics (Paperback, Revised): R. O. Davis, A.P.S. Selvadurai Plasticity and Geomechanics (Paperback, Revised)
R. O. Davis, A.P.S. Selvadurai
R2,272 Discovery Miles 22 720 Ships in 12 - 19 working days

Plasticity theory is widely used to describe the behaviour of soil and rock in many engineering situations. Plasticity and Geomechanics presents a concise introduction to the general subject of plasticity with a particular emphasis on applications in geomechanics. Derived from the authors' own lecture notes, this book is written with students firmly in mind. Excessive use of mathematical methods is avoided in the main body of the text and, where possible, physical interpretations are given for important concepts. In this way the authors present a clear introduction to the complex ideas and concepts of plasticity as well as demonstrating how this developing subject is of critical importance to geomechanics and geotechnical engineering. This book therefore complements Elasticity and Geomechanics by the same authors and will appeal to graduate students and researchers in the fields of soil mechanics, foundation engineering, and geomechanics.

Deutsches Gew ssernamenbuch (German, Paperback): Albrecht Greule Deutsches Gew ssernamenbuch (German, Paperback)
Albrecht Greule
R1,015 R893 Discovery Miles 8 930 Save R122 (12%) Ships in 10 - 15 working days
Introduction to Stormwater: Concept, Purpose, Design (Hardcover, New): BK Ferguson Introduction to Stormwater: Concept, Purpose, Design (Hardcover, New)
BK Ferguson
R3,576 Discovery Miles 35 760 Ships in 12 - 19 working days

This professional reference tool combines basic concepts of hydrology with the latest applications for landscape architecture and site engineering—including effective, eco-friendly, and people-friendly design methods for:

  • Wetlands construction
  • Groundwater recharge
  • Infiltration
  • Porous pavements
  • Stream restoration
  • Water harvesting

Stormwater management is an essential component of all landscape architecture and site engineering projects. Introduction to Stormwater helps solve environmental problems that arise in the process of planning, implementing, and evaluating the built environment.

This useful guide is of singular importance to landscape architects, civil engineers, architects, wetlands scientists, and other environmental professionals who must comply with ever-changing government regulations. Concepts such as drainage, runoff quality, and drought control are presented in an easy-to-learn, nontechnical format, using case studies drawn from all regions of the United States. Over 200 charts, tables, photographs, and examples aid in conceptualization and calculations. Each chapter contains exercises to ensure that the user acquires applied skills essential to professional licensure exams and practice in the field, as well as information on related software.

Frog Planner 2023 - Funny Amphibian Monthly Agenda January-December Organizer (12 Months) Cute Green Water Animal Scheduler... Frog Planner 2023 - Funny Amphibian Monthly Agenda January-December Organizer (12 Months) Cute Green Water Animal Scheduler (Paperback)
Pimpom Pretty Press
R349 Discovery Miles 3 490 Ships in 10 - 15 working days
Hydroclimatology - Perspectives and Applications (Paperback): Marlyn L Shelton Hydroclimatology - Perspectives and Applications (Paperback)
Marlyn L Shelton
R1,421 Discovery Miles 14 210 Ships in 12 - 19 working days

Hydroclimatology provides a systematic structure for analysing how the climate system causes time and space variations (both global and local) in the hydrologic cycle. Changes in the relationship between the climate system and the hydrologic cycle underlie floods, drought and possible future influences of global warming on water resources. Land-based data, satellite data, and computer models contribute to our understanding of the complex time and space variations of physical processes shared by the climate system and the hydrologic cycle. Blending key information from the fields of climatology and hydrology - which are not often found in a single volume - this is an ideal textbook for students in atmospheric science, hydrology, Earth and environmental science, geography, and environmental engineering. It is also a useful reference for academic researchers in these fields.

Biologische Meereskunde (German, Paperback, 2., uberarb. Aufl. 2005, verand. Nachdruck 2016): Ulrich Sommer Biologische Meereskunde (German, Paperback, 2., uberarb. Aufl. 2005, verand. Nachdruck 2016)
Ulrich Sommer
R1,298 Discovery Miles 12 980 Ships in 10 - 15 working days

Das Meer ist der groesste Lebensraum der Erde - hier hat die Evolution der Organismen begonnen, und hier findet sich auch die groesste Vielfalt organismischer Bauplane. Lernfreundlich aufbereitet und leicht verstandlich geschrieben, gibt das Lehrbuch einen grundlegenden und umfassenden UEberblick uber die verschiedenen Lebensraume und Lebensgemeinschaften des Meeres. OEkologische Prozesse wie Konkurrenz, Fressbeziehungen, Symbiosen und Nahrungsnetze sind zentrale Themen. Zahlreiche Abbildungen regen zum Lesen und Lernen an.

Aquatic Chemical Kinetics - Reaction Rates of Processes in Natural Waters (Hardcover): W Stumm Aquatic Chemical Kinetics - Reaction Rates of Processes in Natural Waters (Hardcover)
W Stumm
R8,206 Discovery Miles 82 060 Ships in 12 - 19 working days

Aquatic Chemistry An Introduction Emphasizing Chemical Equilibria in Natural Waters Second Edition Edited by Werner Stumm and James J. Morgan This second edition of the renowned classic unites concepts, applications, and techniques with the growing amounts of data in the field. Expanded treatment is offered on steady-state and dynamic models employing mass-balance approaches and kinetic information. New chapters address such topics as: environmental aspects of aquatic chemistry; new material on organic compounds in natural water systems; the use of stable and radioactive isotopes in chemical and physical processes; the latest advances in marine chemistry; solid-solution interface; kinetic considerations of equilibria; metal-ligand interactions; and an expanded compilation of thermodynamic data for important reactions in natural water systems. 1981 (0 471-04831-3) Cloth 780 pp. (0 471-09173-1) Paper Chemical Processes in Lakes Edited by Werner Stumm This is a multidisciplinary analysis of recent research on the physical, chemical, and biological processes in aquatic systems. Coverage includes: distribution of elements and compounds in water and sediments; sedimentation and sediment accumulation of nutrients and pollutants; eurtophication and acidification; atmospheric deposition; redox-related geochemistry and sediment-water exchange of nutrients and metals; sediment dating and paleolimnology; and steady-state and dynamic models. Most chapters focus on the role of biological processes and the coupling of elemental cycles by organisms. 1985 (0 471-88261-5) 435 pp. Principles of Aquatic Chemistry Francois M. M. Morel Here is a quantitative treatment of the chemical principles that govern the composition of natural waters. Features include an in-depth examination of the use of conservation principles in chemical systems, a review of thermodynamic and kinetic principles applicable to aquatic systems, and a novel presentation of a systematic methodology for equilibrium calculations. Detailed coverage is provided on the topic of aquatic chemistry, following the traditional divisions of acid-base, precipitation-dissolution, coordination, redox and surface reactions. 1983 (0 471-08683-5) 446 pp.

The Rivers of Cumbria (Paperback): Beth & Steve Pipe The Rivers of Cumbria (Paperback)
Beth & Steve Pipe
R485 R437 Discovery Miles 4 370 Save R48 (10%) Ships in 9 - 17 working days

Cumbria has been explored in many books over the years, but very little has been written about its rivers and yet, without them, the county would not have evolved in the way that it has. From the high fells to the extensive coastline, these rivers document the stories of our ancestors, from the first settlers to more modern industries. They also provide a vast variety of habitats to local wildlife as well as offering tantalising glimpses into the geological history of the county. In this unique book, author and photographer Beth and Steve Pipe explore ten Cumbrian rivers, covering the entire breadth of the county, following their journey from source to end. Along the way, Beth and Steve tell the story of each river’s formation, the wildlife and conservation concerns, as well as the social history of the areas they flow through. Each chapter focuses on a different river including the Eden, Derwent, Kent Caldew, Lune, Duddon, Esk and Irthing. The authors also highlight the local culture and show how the rivers have shaped and defined the county’s character and identity. Illustrated throughout, 'The Rivers of Cumbria' will be of interest to local people, visitors and anyone with an interest in this beautiful part of the country.

The Niobrara - A River Running through Time (Paperback): Paul A. Johnsgard The Niobrara - A River Running through Time (Paperback)
Paul A. Johnsgard
R687 R623 Discovery Miles 6 230 Save R64 (9%) Ships in 10 - 15 working days

Although its history is etched on canyon walls reaching back twenty million years, the Niobrara is very much a river of today. Stretching 535 miles from its headwaters to the Missouri River, it is one of Nebraska's least altered waterways and is designated as a national scenic river. Its waterfalls and wildlife make it a haven for outdoor enthusiasts, but pressures from development still threaten its scenic and ecological wonders. This first book-length study of the Niobrara is a comprehensive look at an ecological treasure. Paul A. Johnsgard reviews the river's history from its geologic past through prehistoric settlement to the present and highlights its historical and biological features. Writing from this crossroads of eastern and western species, Johnsgard also describes the Niobrara's varied plants and animals, providing extensive information on bird populations. He offers portraits of sixteen species of special conservation concern, such as the black-tailed prairie dog and the olive-backed pocket mouse. Drawings by Johnsgard, information tables on various species, plus site lists make the book an invaluable reference. It conveys the Niobrara's value as a recreational and scientific resource to help visitors better appreciate this riparian paradise while offering specialists an unimpeachable guide to its scientific riches. The Niobrara includes chapters by Jon Farrar and Duane Gudgel.

The Powell Expedition - New Discoveries about John Wesley Powell's 1869 River Journey (Paperback): Don Lago The Powell Expedition - New Discoveries about John Wesley Powell's 1869 River Journey (Paperback)
Don Lago
R1,013 R837 Discovery Miles 8 370 Save R176 (17%) Ships in 12 - 19 working days

John Wesley Powell's 1869 expedition down the Green and Colorado Rivers and through the Grand Canyon continues to be one of the most celebrated adventures in American history, ranking with the Lewis and Clark expedition and the Apollo landings on the moon. For nearly twenty years Lago has researched the Powell expedition from new angles, traveled to thirteen states, and looked into archives and other sources no one else has searched. He has come up with many important new documents that change and expand our basic understanding of the expedition by looking into Powell's crewmembers, some of whom have been almost entirely ignored by Powell historians. Historians tended to assume that Powell was the whole story and that his crewmembers were irrelevant. More seriously, because several crew members made critical comments about Powell and his leadership, historians who admired Powell were eager to ignore and discredit them. Lago offers a feast of new and important material about the river trip, and it will significantly rewrite the story of Powell's famous expedition. This book is not only a major work on the Powell expedition, but on the history of American exploration of the West.

Landslides - Processes, Prediction, and Land Use (Paperback, illustrated edition): R.C. Sidle Landslides - Processes, Prediction, and Land Use (Paperback, illustrated edition)
R.C. Sidle
R1,790 Discovery Miles 17 900 Ships in 10 - 15 working days

Published by the American Geophysical Union as part of the Water Resources Monograph Series, Volume 18.

Landslides are a constant in shaping our landscape. Whether by large episodic, or smaller chronic, mass movements, our mountains, hills, valleys, rivers, and streams bear evidence of change from landslides. Combined with anthropogenic factors, especially the development and settlement of unstable terrain, landslides (as natural processes) have become natural disasters.This book charts our understanding of landslide processes, prediction methods, and related land use issues. How and where do landslides initiate? What are the human and economic consequences? What hazard assessment and prediction methods are available, and how well do they work? How does land use, from timber harvesting and road building to urban and industrial development, affect landslide distribution in time and space? And what is the effect of land use and climate change on landslides?This book responds to such questions with: - Synopses of how various land uses and management activities influence landslide behavior- Analyses of earth surface processes that affect landslide frequency and extent- Examples of prediction techniques and methods of landslide hazard assessment, including scales of application- Discussion of landslide types and related costs and damagesThose who study landslides, and those who deal with landslides, from onset to after-effects--including researchers, engineers, land managers, educators, students, and policy makers--will find this work a benchmark reference, now and for years to come.

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