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Author: Martin A.J. Williams
Publisher: CRC Press
ISBN: 1351469851
Category : Science
Languages : en
Pages : 259
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Book Description
Three themes run through this book, the first is the history of the Nile; the second is the degree to which the present Sudanese landscape reflects the operation of former geological processes; the third is the interaction between man and environment, not always to the benefit of either. A land between two Niles is an interdisciplinary account of the origins and characteristics of the alluvial plains of the lower Blue and White Nile. The contributors have focussed their attention upon this region for several reasons. Although the Gezira plain itself only occupies about one percent of the total area of the Sudan, the high quality long-staple cotton grown there provides nearly two-thirds of the country’s total export revenue.
Author: MIchael A.J. Williams
Publisher: Routledge
ISBN: 1351469843
Category : Science
Languages : en
Pages : 209
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Book Description
Three themes run through this book, the first is the history of the Nile; the second is the degree to which the present Sudanese landscape reflects the operation of former geological processes; the third is the interaction between man and environment, not always to the benefit of either. A land between two Niles is an interdisciplinary account of the origins and characteristics of the alluvial plains of the lower Blue and White Nile. The contributors have focussed their attention upon this region for several reasons. Although the Gezira plain itself only occupies about one percent of the total area of the Sudan, the high quality long-staple cotton grown there provides nearly two-thirds of the country’s total export revenue.
Author: Marijke van der Veen
Publisher: Springer Science & Business Media
ISBN: 1475767307
Category : Social Science
Languages : en
Pages : 306
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Book Description
This volume presents a completely new and very substantial body of information about the origin of agriculture and plant use in Africa. All the evidence is very recent and for the first time all this archaeobotanical evidence is brought together in one volume (at present the information is unpublished or published in many disparate journals, confer ence reports, monographs, site reports, etc. ). Early publications concerned with the origins of African plant domestication relied almost exclusively on inferences made from the modem distribution of the wild progenitors of African cultivars; there existed virtually no archaeobotanical data at that time. Even as recently as the early 1990s direct evidence for the transition to farming and the relative roles of indigenous versus Near Eastern crops was lacking for most of Africa. This volume changes that and presents a wide range of ex citing new evidence, including case studies from Nigeria, Burkina Faso, Ethiopia, Uganda, Egypt, and Sudan, which range in date from 8000 BP to the present day. The volume ad dresses topics such as the role of wild plant resources in hunter-gatherer and farming com munities, the origins of agriculture, the agricultural foundation of complex societies, long-distance trade, the exchange of foods and crops, and the human impact on local vege tation-all key issues of current research in archaeology, anthropology, agronomy, ecol ogy, and economic history.
Author: Martin Williams
Publisher: Springer
ISBN: 3319254456
Category : Science
Languages : en
Pages : 215
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Book Description
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.
Author: Michael R. Rosen
Publisher: Geological Society of America
ISBN: 0813722896
Category : Science
Languages : en
Pages : 128
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Book Description
Author: J.A. Coetzee
Publisher: Routledge
ISBN: 135142596X
Category : Science
Languages : en
Pages : 488
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Book Description
This text gives an environmental history of Africa, concentrating on 30 contributions on oceans and ocean margins, the Sahara and West Africa.
Author: Paul G. Marinos
Publisher: CRC Press
ISBN: 9789054108788
Category : Technology & Engineering
Languages : en
Pages : 1210
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Book Description
Author: Marcel Leroux
Publisher: Springer Science & Business Media
ISBN: 9783540426363
Category : Science
Languages : en
Pages : 604
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Book Description
This unique book includes 250 maps related to various factors of meteorology and climate and their effects on the African continent. It provides detailed coverage of fundamentally important issues concerning African meterology, climatology, tropical circulation, rainfall, drought and climate change.
Author: Frank Klees
Publisher: Heinrich-Barth-Institut
ISBN:
Category :
Languages : en
Pages : 250
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Book Description
Author: Anthony J. Parsons
Publisher: Springer Science & Business Media
ISBN: 1402057199
Category : Science
Languages : en
Pages : 824
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Book Description
About one-third of the Earth’s land surface experiences a desert climate, and this area supports approximately 15% of the planet’s population. This percentage continues to grow, and with this growth comes the need to acquire and apply an understanding of desert geomorphology. Such an understanding is vital in managing scarce and fragile resources and in mitigating natural hazards. This authoritative reference book is comprehensive in its coverage of the geomorphology of desert environments, and is arranged thematically. It begins with an overview of global deserts, proceeds through treatments of weathering, hillslopes, rivers, piedmonts, lake basins, and aeolian surfaces, and concludes with a discussion of the role of climatic change. Written by a team of international authors, all of whom are active in the field, the chapters cover the spectrum of desert geomorphology.
Author: Jonathan Brass
Publisher: Archaeopress Publishing Ltd
ISBN: 1784914320
Category : Social Science
Languages : en
Pages : 210
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Book Description
Jebel Moya (south-central Sudan) is the largest known pastoral cemetery in sub- Saharan Africa with more than 3100 excavated human burials. This research revises our understanding of Jebel Moya and its context.
