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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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"The little-known history of how the Sahara was transformed from a green and fertile land into the largest hot desert in the world. The Sahara is the largest hot desert in the world, equal in size to China or the United States. Yet, this arid expanse was once a verdant, pleasant land, fed by rivers and lakes. The Sahara sustained abundant plant and animal life, such as Nile perch, turtles, crocodiles, and hippos, and attracted prehistoric hunters and herders. What transformed this land of lakes into a sea of sands? When the Sahara Was Green describes the remarkable history of Earth's greatest desert-including why its climate changed, the impact this had on human populations, and how scientists uncovered the evidence for these extraordinary events. From the Sahara's origins as savanna woodland and grassland to its current arid incarnation, Martin Williams takes us on a vivid journey through time. He describes how the desert's ancient rocks were first fashioned, how dinosaurs roamed freely across the land, and how it was later covered in tall trees. Along the way, Williams addresses many questions: Why was the Sahara previously much wetter, and will it be so again? Did humans contribute to its desertification? What was the impact of extreme climatic episodes-such as prolonged droughts-upon the Sahara's geology, ecology, and inhabitants? Williams also shows how plants, animals, and humans have adapted to the Sahara and what lessons we might learn for living in harmony with the harshest, driest conditions in an ever-changing global environment. A valuable look at how an iconic region has changed over millions of years, When the Sahara Was Green reveals the desert's surprising past to reflect on its present, as well as its possible future"--

Climatic changes --- Desertification --- Aeolian processes. --- Algae. --- Algeria. --- Alluvium. --- Americas. --- Andes. --- Anthozoa. --- Arid. --- Atlantic Ocean. --- Black coral. --- Bolivia. --- Carbon dioxide. --- Chad Basin. --- Chile. --- Climate change. --- Cnidaria. --- Cnidocyte. --- Coal. --- Coral reef. --- Date palm. --- Dendrochronology. --- Deriba Caldera. --- Desert climate. --- Desert. --- Desertification. --- Drought. --- Dry lake. --- Dry valley. --- Dune. --- Earth materials. --- Earth science. --- Earth's orbit. --- East Africa. --- Ecosystem. --- Ecuadorians. --- El Niño-Southern Oscillation. --- Emblem book. --- Erosion. --- Exploration. --- Far North (South Australia). --- Feather. --- Fertilizer. --- Fire coral. --- Goatskin (material). --- Google Earth. --- Grassland. --- Grazing. --- Great Sand Sea. --- Green development. --- Groundwater. --- Herbicide. --- Herder. --- Hippos. --- Iferouane. --- Inca Empire. --- Indo-Pacific. --- Kufra. --- Lake Chad. --- Land snail. --- Libyan Desert. --- Mauritania. --- Mediterranean Sea. --- Mesa. --- Microclimate. --- Monsoon. --- Neolithic. --- Nile. --- North Africa. --- North America. --- Overgrazing. --- Pastoralism. --- Perennial water. --- Pesticide. --- Photosynthesis. --- Plankton. --- Planula. --- Plate tectonics. --- Pollution. --- Polyp. --- Sahara. --- Sand. --- Savanna. --- Sediment. --- Semi-arid climate. --- Silt. --- Soil. --- Solar energy. --- Stolon. --- Stone tool. --- Surface layer. --- Temperate climate. --- Tentacle. --- The Natural Step. --- Tropics. --- Tunisia. --- Vegetation. --- Weathering. --- West Africa. --- Westerlies. --- Year. --- Sahara --- Climate --- History.

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Geology, Stratigraphic --- -Geology --- -Prehistoric peoples --- -<1-926.2> --- 551.7 --- 903 --- 55 <61> --- Cavemen (Prehistoric peoples) --- Early man --- Man, Prehistoric --- Prehistoric archaeology --- Prehistoric human beings --- Prehistoric humans --- Prehistory --- Human beings --- Antiquities, Prehistoric --- Geognosy --- Geoscience --- Earth sciences --- Natural history --- Age of rocks --- Rocks --- Stratigraphic geology --- Physical geology --- Sahara. Nile valley --- Historical geology. Stratigraphy --- Prehistorie --- Earth sciences. Geology. Meteorology etc.--North African states in general. Maghreb --- Age --- Nile River Valley --- Sahara --- -Sahara Desert --- Africa, North --- Nile Valley --- Antiquities. --- Antiquities --- Geology --- Glaciers --- Prehistoric peoples --- Scientific expeditions. --- 551.79 --- 551.795.71 --- 556.1 --- -Antiquities. --- 903 Prehistorie --- 551.7 Historical geology. Stratigraphy --- -Nile Valley --- Sahara Desert --- -Africa, North --- Afrique --- Primitive societies --- -Nile River Valley --- Afrique septentrionale --- Geologie regionale --- Quaternaire --- Stratigraphie etudes regionales

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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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