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In this book, the author describes in simple, non-technical terms the adventures he has experienced during his work as an earth scientist in some of the remote parts of the arid and semi-arid world. His aim in writing this concise account of some of the work he has been involved in over the past fifty years is to try to convey to the non-specialist some of the excitement and fun involved in fieldwork in the drier regions of the world. His studies of the soils, landforms and the recent geological history of arid and semi-arid regions have taken Martin Williams to some remarkable places in Africa, Asia, Australia and the Middle East. Not only are the landscapes themselves often stunningly beautiful, but the contact with people from quite different backgrounds and cultures has been an enriching experience. His work has taken him to places far off the beaten track, whether it be the rugged mountains of Ethiopia and northern China, the sandy deserts of the Sahara and Rajasthan, or the great river valleys of Somalia, central India and the Nile. The chapters that follow are not intended to form a coherent chronological narrative, although they do appear in rough chronological order. They should rather be viewed as vignettes or brief evocative descriptions, much as in the discursive tradition of the wandering Irish storytellers. Acting on the principle that it is not necessary to be solemn to be serious, the author aims to entertain as well as to instruct.
Geography-General --- Geography --- Earth & Environmental Sciences --- Geomorphology --- Geomorphologists --- History. --- Geomorphic geology --- Physiography --- Physical geographers --- Physical geography --- Landforms --- World Regional Geography (Continents, Countries, Regions). --- Popular Science in Geography. --- Physical geography. --- Geography. --- Cosmography --- Earth sciences --- World history
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The Nile Basin contains a record of human activities spanning the last million years. However, the interactions between prehistoric humans and environmental changes in this area are complex and often poorly understood. This comprehensive book explains in clear, non-technical terms how prehistoric environments can be reconstructed, with examples drawn from every part of the Nile Basin. Adopting a source-to-sink approach, the book integrates events in the Nile headwaters with the record from marine sediment cores in the Nile Delta and offshore. It provides a detailed record of past environmental changes throughout the Nile Basin and concludes with a review of the causes and consequences of plant and animal domestication in this region and of the various prehistoric migrations out of Africa into Eurasia and beyond. A comprehensive overview, this book is ideal for researchers in geomorphology, climatology and archaeology.
Geology --- Geomorphology --- Geology, Stratigraphic --- Quaternary Period --- Geomorphic geology --- Physiography --- Physical geography --- Landforms --- Geognosy --- Geoscience --- Earth sciences --- Natural history --- Nile River Watershed --- Nile Basin --- Nile River Basin --- Antiquities.
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Geology, Stratigraphic --- Stratigraphie --- Paleoecology --- Flore --- Flora --- Faune --- Fauna --- Cours d'eau --- Rivers --- Soil --- Climat --- climate --- Deserts --- Région marine --- Marine areas --- Eau souterraine --- groundwater --- Geografie --- Fysische geografie --- Paleogeografie (en Quartairstratigrafie). --- Paleoecology - Quaternary --- Quaternaire --- Datation
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