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4 produkter
4 produkter
Holocene Palaeoenvironmental History of the Central Sahara
Palaeoecology of Africa Vol. 29, An International Yearbook of Landscape Evolution and Palaeoenvironments
Inbunden, Engelska, 2009
1 789 kr
Tillfälligt slut
The environmental setting within the Central Sahara was subject to considerable changes during Late Quaternary, mainly driven by major global climate variations, although human impact increased constantly since Early Holocene.Such global events can be reconstructed with the help of reliefs, sediments and palaeosoils and their specific morphological, chemical and mineralogical properties. The project’s focus is to ascertain new and established data on climate variations and associated palaeoenvironmental changes within the Central Sahara and to systematically collate and correlate them to results obtained from the Afro-Asian dry land belt and adjacent areas. The joint analysis of Late Quaternary landscape development and present environmental conditions in the Central Sahara will result in the modelling of Late Pleistocene and Holocene palaeoenvironments, emphasising various aspects. This book will be of interest to all concerned with environmental changes in desert ecosystems in the past and at present and related development problems of Saharan countries, especially Ecologists, Botanists, Earth scientists and Climatologists. It will be valuable for advanced undergraduates and postgraduates as a reference for review and overview articles as well as a source of information for new original manuscripts on the topic of Late Pleistocene and Holocene landscape evolution in the lower latitudes of Africa. Palaeobotanists, Palynologists, Geomorphologists and Quaternarists will equally find this edition useful for their work.
419 kr
Skickas inom 3-6 vardagar
509 kr
Skickas inom 10-15 vardagar
Das vorliegende Buch ist eine lang überfällige, aktuelle geographisch-geowissenschaftliche Gesamtdarstellung der wesentlichen Geo- und Umweltfaktoren des afrikanischen Kontinents. Im Mittelpunkt stehen Gestein, Relief, Klima, Wasser, Boden, und Vegetation. Diese steuern die landschaftsprägenden Prozesse an der Erdoberfläche und bestimmen Struktur, Funktion und Dynamik des Naturraumes – der natürlichen Umwelt und der vom Menschen durch Landnutzung, Siedlungen, Verkehrswege u.s.w. gestalteten Umwelt. Ergänzende Exkurse vertiefen eine Reihe von wichtigen aktuellen Umweltfragen im Zusammenhang mit der menschlichen Nutzung (z. B. Bodenerosion, Desertifikation), dem Klimawandel oder erläutern geowissenschaftliche Fachbegriffe. Reiche Farbfotographien und spannende Kartographie veranschaulichen die Informationen und sorgen für ein besseres Verständnis. Dem interessierten Leser soll mit dem Buch einerseits ein schneller Überblick über die Physische Geographie des Kontinents gegeben werden. Andererseits kann das Buch als geordnetes Nachschlagewerk genutzt werden. Es wendet sich nicht nur an Studierende der einschlägigen Studiengänge, sondern auch an einen breiten, an allen Umweltaspekten Afrikas interessierten Leserkreis bis hin zu Mitarbeitern von Entwicklungsorganisationen und Fachkräften im Entwicklungsdienst, die grundlegende Informationen zur Physischen Geographie des Kontinents brauchen.
974 kr
Skickas inom 10-15 vardagar
Africa, with an area of over 30 million square kilometers, is the second-largest continent, accounting for about 20 percent of the Earth's total land area. It offers unparalleled insights into some of the planet’s oldest geological strata, is home to the world’s largest desert, and is immensely rich in mineral resources. These are just a few of the facts we commonly associate with Africa’s physical geography. But the continent deserves a closer look—Africa is closer to us and far more important than many might think.This book provides a comprehensive overview of the physical geography of Africa. It focuses on the integrated analysis of the continent’s geology, geomorphology, climate, hydrology, soils, and vegetation geography. Additional excursions examine the impact of major environmental challenges related to human activity - such as soil erosion, desertification, and climate change - and also explain key geoscientific terms. Rich color photographs and engaging cartography support and enhance understanding.The book serves a dual purpose: it offers the interested reader a concise introduction to Africa’s physical geography while also functioning as a structured reference work. It will be of enduring value to students and scholars of African physical geography and anyone interested in Africa’s environment and environmental change - including staff of development organizations and development professionals seeking reliable background information on the continent’s natural conditions.