Interpreting Landscape Change in High Mountains of Northeastern Oregon from Long-term Repeat Photography PDF Download
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Author:
Publisher:
ISBN:
Category : Landscape change
Languages : en
Pages : 90
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Book Description
Photographs taken in mountainous areas of northeastern Oregon beginning approximately 1925 are compared in an examination of land and vegetation changes.
Author:
Publisher:
ISBN:
Category : Landscape changes
Languages : en
Pages : 78
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Book Description
Author:
Publisher:
ISBN:
Category : Landscape change
Languages : en
Pages : 90
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Book Description
Photographs taken in mountainous areas of northeastern Oregon beginning approximately 1925 are compared in an examination of land and vegetation changes.
Author: Roy H. Behnke
Publisher: Springer
ISBN: 364216014X
Category : Science
Languages : en
Pages : 560
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Book Description
The question in the title of this book draws attention to the shortcomings of a concept that has become a political tool of global importance even as the scientific basis for its use grows weaker. The concept of desertification, it can be argued, has ceased to be analytically useful and distorts our understanding of social-environmental systems and their resiliency, particularly in poor countries with variable rainfall and persistent poverty. For better policy and governance, we need to reconsider the scientific justification for international attempts to combat desertification. Our exploration of these issues begins in the Sahel of West Africa, where a series of severe droughts at the end of the 20th century led to the global institutionalization of the idea of desertification. It now seems incontrovertible that these droughts were not caused primarily by local land use mismanagement, effectively terminating a long-standing policy and scientific debate. There is now an opportunity to treat this episode as an object lesson in the relationship between science, the formation of public opinion and international policy-making. Looking beyond the Sahel, the chapters in this book provide case studies from around the world that examine the use and relevance of the desertification concept. Despite an increasingly sophisticated understanding of dryland environments and societies, the uses now being made of the desertification concept in parts of Asia exhibit many of the shortcomings of earlier work done in Africa. It took scientists more than three decades to transform a perceived desertification crisis in the Sahel into a non-event. This book is an effort to critically examine that experience and accelerate the learning process in other parts of the world.
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 908
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Author: Jeffrey S. Kargel
Publisher: Springer
ISBN: 3540798188
Category : Technology & Engineering
Languages : en
Pages : 936
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Book Description
An international team of over 150 experts provide up-to-date satellite imaging and quantitative analysis of the state and dynamics of the glaciers around the world, and they provide an in-depth review of analysis methodologies. Includes an e-published supplement. Global Land Ice Measurements from Space - Satellite Multispectral Imaging of Glaciers (GLIMS book for short) is the leading state-of-the-art technical and interpretive presentation of satellite image data and analysis of the changing state of the world's glaciers. The book is the most definitive, comprehensive product of a global glacier remote sensing consortium, Global Land Ice Measurements from Space (GLIMS, http://www.glims.org). With 33 chapters and a companion e-supplement, the world's foremost experts in satellite image analysis of glaciers analyze the current state and recent and possible future changes of glaciers across the globe and interpret these findings for policy planners. Climate change is with us for some time to come, and its impacts are being felt by the world's population. The GLIMS Book, to be released about the same time as the IPCC's 5th Assessment report on global climate warming, buttresses and adds rich details and authority to the global change community's understanding of climate change impacts on the cryosphere. This will be a definitive and technically complete reference for experts and students examining the responses of glaciers to climate change. World experts demonstrate that glaciers are changing in response to the ongoing climatic upheaval in addition to other factors that pertain to the circumstances of individual glaciers. The global mosaic of glacier changes is documented by quantitative analyses and are placed into a perspective of causative factors. Starting with a Foreword, Preface, and Introduction, the GLIMS book gives the rationale for and history of glacier monitoring and satellite data analysis. It includes a comprehensive set of six "how-to" methodology chapters, twenty-five chapters detailing regional glacier state and dynamical changes, and an in-depth summary and interpretation chapter placing the observed glacier changes into a global context of the coupled atmosphere-land-ocean system. An accompanying e-supplement will include oversize imagery and other other highly visual renderings of scientific data.
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ISBN:
Category : Government publications
Languages : en
Pages : 848
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Book Description
Author:
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 598
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Book Description
Author: William H. Emmingham
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 222
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Author:
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 444
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Book Description
Author: Jon M. Skovlin
Publisher:
ISBN:
Category : Ecology
Languages : en
Pages : 102
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Book Description
