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Glaciers in sunny California? Many people will be surprised to learn that there are several hundred in this state, ranging in size from the impressive Whitney Glacier on Mt. Shasta and the Palisade Glacier in the Sierra Nevada to tiny glacierets. While California's glaciers are small compared to those in the northern Rockies or the European Alps, each one is interesting and some are suitable for exploring. Also of note is the fact that Ice Age glaciers carved California's most spectacular mountain scenery—the High Sierra was glaciated several times and glacial landforms are prominent features of the Sierran landscape today. Bill Guyton summarizes the history of the discovery of Ice Age glaciation and modern-day glaciers in California, as well as the development of modern ideas about the state's glacial history. He describes the controversy about the origin of Yosemite Valley and quotes from the colorful accounts of early mountain explorers such as John Muir, Josiah Whitney, and François Matthes. His book provides a primer on glaciers and glacial landforms, a glossary of technical terms, helpful illustrations, and a 100-mile Sierra field trip guide for readers who want to see glaciers and glacial features for themselves. Glaciers of California will make any visit to the mountains more interesting, whether one is carrying a camera, crampons, or a fishing pole.
The aim of this publication is the understanding of large floods and their impact on the Earth's surface. The major objectives are: 1) to take a second look at what constitutes a megaflood that the principle of uniformitarianism is at some loss to explain and 2) to try to determine what could happen in such large floods by analyzing those that occur in front of glaciers, in alluvial-fans and in alluvial valleys. The products of these floods are presented in terms of sedimentary deposits, erosional features and damage to human activities. The volume bears out the concept that sedimentological analysis can be a powerful tool, not only for reconstructing processes that have acted on ancient landscapes, but also as a technique for risk assessment of certain troubled areas. Therefore, this volume is of interest not only to sedimentologists/gemorphlogists, but also to engineers, landuse planners and anyone interested in the interrelation between humans and the environment. If you are a member of the International Association of Sedimentologists, for purchasing details, please see: http://www.iasnet.org/publications/details.asp?code=SP32
This book is the second of three volumes in which the recent knowledge of the extent and chronology of Quaternary glaciations has been compiled on a global scale. This information is seen as a fundamental requirement, not only for the glacial community, but for the wider user-community of general Quaternary workers. In particular the need for accurate ice-front positions is a basic requirement for the rapidly growing field of palaeoclimate modelling. In order to provide the information for the widest-possible range of users in the most accessible form, a series of digital maps was prepared.The glacial limits were mapped in ArcView, the Geographical Information System (GIS) used by the work group. Included with the publication is a CD with digital maps, showing glacial limits, end moraines, ice-dammed lakes, glacier-induced drainage diversions and the locations of key sections through which the glacial limits are defined and dated. The last deglaciation is also shown in 500 year time-steps. The digital maps in this volume cover the USA and Canada and include Greenland and Hawaii. Both overview maps and more detailed maps at a scale 1: 1,000,000 are provided.Also available:Part I: Europe, ISBN 0-444-51462-7Part III: South America, Asia, Africa, Australia, Antarctica, ISBN 0-444-51593-3