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Author : K. H. A. Dombola
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (88 download)
Download or read book Report on the Dwangwa Suspected Geological Event written by K. H. A. Dombola and published by . This book was released on 2012 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Schlüter
Publisher : Springer Science & Business Media
ISBN 13 : 3540763732
Total Pages : 311 pages
Book Rating : 4.5/5 (47 download)
Download or read book Geological Atlas of Africa written by Thomas Schlüter and published by Springer Science & Business Media. This book was released on 2008-04-19 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: T is atlas is intended primarily for anybody who is in-some background for the arrangement of how the terested in basic geology of Africa. Its originality lies atlas was done. T e second chapter is devoted to the in the fact that the regional geology of each African history of geological mapping in Africa, necessary nation or territory is reviewed country-wise by maps for a fuller appreciation of why this work in Africa is and text, a view normally not presented in textbooks worth doing. Chapter 3 provides an executive s- of regional geology. It is my belief, that there has long mary on the stratigraphy and tectonics of Africa as a been a need in universities and geological surveys, whole, i. e. in the context of no political boundaries. both in Africa and in the developed world, for sum- T e main part of the atlas lies in Chapter 4, where in marizing geological maps and an accompanying basic alphabetical order each African country or territory text utilising the enormous fund of knowledge that is presented by a digitized geological overview map has been accumulated since the beginning of geologi- and an accompanying text on its respective strat- th cal research in Africa in the mid-19 century. I hope raphy, tectonics, economic geology, geohazards and that, in part, the present atlas may satisfy this need. geosites. A short list of relevant references is also a- ed.
Author : Andrew S. Cohen
Publisher : Oxford University Press
ISBN 13 : 9780195350890
Total Pages : 540 pages
Book Rating : 4.3/5 (58 download)
Download or read book Paleolimnology written by Andrew S. Cohen and published by Oxford University Press. This book was released on 2003-05-29 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text, written by a leading researcher in the field, describes the origin and formation of lakes in order to give context to the question of how lacustrine deposits form. It explains the process of sedimentation in lakes and the chemistry of those deposits and describes how the age of lake deposits are determined. Additionally, this book shows how different groups of fossils are used in interpreting the paleontological record of lakes. In order to illustrate the more synthetic approaches to interpreting the history of lakes, the author also discusses such special topics as lake-level history, lake evolution, and the impact of environmental change on lakes.
Author : K. A. Edwards
Publisher : ILRI (aka ILCA and ILRAD)
ISBN 13 : 9789290530435
Total Pages : 120 pages
Book Rating : 4.5/5 (34 download)
Download or read book The Water Resource in Tropical Africa and Its Exploitation written by K. A. Edwards and published by ILRI (aka ILCA and ILRAD). This book was released on 1983-01-01 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Kalk
Publisher : Springer Science & Business Media
ISBN 13 : 9400995946
Total Pages : 444 pages
Book Rating : 4.4/5 (9 download)
Download or read book Lake Chilwa written by M. Kalk and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Leonard C. Beadle In contrast to the more sta bie oceans, inland waters are, on the geological time scale, short-lived and are subject to great fluctuations in chemical composition and physical features. Very few lakes and rivers have existed continuously for more than a million years, and the life of the majority is to be measured in thousands or less. Earth movements, erosion and long-term climatic changes in the past have caused many of them to appear and disappear. No wonder then that most freshwater organism are especially adapted to great changes and many even to temporary extinction of their environment. Recent studies of residual sediments from existing and extinct lakes in tropical Africa have told us much about their age and the past history of their faunas and floras, from which we may deduce something about the climate and the conditions in the water in the past. The forces that have formed and moulded the African Great Lakes have been catastrophic in their violence and effects. They are not yet finished, but the present rate of change is, in human terms, too slow for direct observation of the ecological effects. The large man-made lakes are providing very good opportunities for studying the chemi cal and biological consequences of the initial filling but, once filled, they are artificially protected against major fluctuations.
Author : Thomas Schlüter
Publisher :
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.:/5 (318 download)
Download or read book Geology of East Africa written by Thomas Schlüter and published by . This book was released on 1997 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new volume on the Geology of East Africa provides a concise account of the multi-faceted regional geology and stratigraphy of East Africa, that is Kenya, Tanzania and Uganda. Much of the data presented, however, is highly relevant to the surrounding countries and regions as well. Professionals and students, intending to delve into the details of the geological history of that region will appreciate the present volume as a stepping-stone, paving the way to additional studies of the numerous references given in this work.
Author : David Dudgeon
Publisher : Cambridge University Press
ISBN 13 : 1108882625
Total Pages : 517 pages
Book Rating : 4.1/5 (88 download)
Download or read book Freshwater Biodiversity written by David Dudgeon and published by Cambridge University Press. This book was released on 2020-05-21 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: Growing human populations and higher demands for water impose increasing impacts and stresses upon freshwater biodiversity. Their combined effects have made these animals more endangered than their terrestrial and marine counterparts. Overuse and contamination of water, overexploitation and overfishing, introduction of alien species, and alteration of natural flow regimes have led to a 'great thinning' and declines in abundance of freshwater animals, a 'great shrinking' in body size with reductions in large species, and a 'great mixing' whereby the spread of introduced species has tended to homogenize previously dissimilar communities in different parts of the world. Climate change and warming temperatures will alter global water availability, and exacerbate the other threat factors. What conservation action is needed to halt or reverse these trends, and preserve freshwater biodiversity in a rapidly changing world? This book offers the tools and approaches that can be deployed to help conserve freshwater biodiversity.
Author : Ad Konings
Publisher :
ISBN 13 : 9781932892055
Total Pages : 424 pages
Book Rating : 4.8/5 (92 download)
Download or read book Malaŵi Cichlids in Their Natural Habitat written by Ad Konings and published by . This book was released on 2007 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. P. C. Morgan
Publisher : John Wiley & Sons
ISBN 13 : 1444328468
Total Pages : 608 pages
Book Rating : 4.4/5 (443 download)
Download or read book Handbook of Erosion Modelling written by R. P. C. Morgan and published by John Wiley & Sons. This book was released on 2016-04-13 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: The movement of sediment and associated pollutants over thelandscape and into water bodies is of increasing concern withrespect to pollution control, prevention of muddy floods andenvironmental protection. In addition, the loss of soil on site hasimplications for declining agricultural productivity, loss ofbiodiversity and decreased amenity and landscape value. The fate ofsediment and the conservation of soil are important issues for landmanagers and decision-makers. In developing appropriate policiesand solutions, managers and researchers are making greater use oferosion models to characterise the processes of erosion and theirinteraction with the landscape. A study of erosion requires one to think in terms ofmicroseconds to understand the mechanics of impact of a singleraindrop on a soil surface, while landscapes form over periods ofthousands of years. These processes operate on scales ofmillimetres for single raindrops to mega-metres for continents.Erosion modelling thus covers quite a lot of ground. This bookintroduces the conceptual and mathematical frameworks used toformulate models of soil erosion and uses case studies to show howmodels are applied to a variety of purposes at a range of spatialand temporal scales. The aim is to provide land managers and otherswith the tools required to select a model appropriate to the typeand scale of erosion problem, to show what users can expect interms of accuracy of model predictions and to provide anappreciation of both the advantages and limitations of models.Problems covered include those arising from agriculture, theconstruction industry, pollution and climatic change and range inscale from farms to small and large catchments. The book will alsobe useful to students and research scientists as an up-to-datereview of the state-of-art of erosion modelling and, through aknowledge of how models are used in practice, in highlighting thegaps in knowledge that need to be filled in order to develop evenbetter models.
Author : Jonathan Lautze
Publisher : Routledge
ISBN 13 : 1315282038
Total Pages : 359 pages
Book Rating : 4.3/5 (152 download)
Download or read book The Zambezi River Basin written by Jonathan Lautze and published by Routledge. This book was released on 2017-07-28 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Zambezi river is the fourth longest in Africa, crossing or bordering Zambia, Angola, Namibia, Botswana, Zimbabwe and Mozambique. The river basin is widely recognised as one of the most important basins in southern Africa and is the focus of contested development, including water for hydropower and for agriculture and the environment. This book provides a thorough review of water and sustainable development in the Zambezi, in order to identify critical issues and propose constructive ways forward. The book first reviews the availability and use of water resources in the basin, outlines the basin’s economic potential and highlights key concerns related to climate vulnerability and risk. Focus is then devoted to hydropower and the water-energy-food (WEF) nexus, sustainable agricultural water management, and threats and opportunities related to provision of ecosystem services. The impact of urbanisation and water quality is also examined, as well as ways to enhance transboundary water cooperation. Last, the book assesses the level of water security in the basin, and provides suggestions for achieving Sustainable Development Goal (SDG) 6. Throughout, emphasis is placed on entry points for basin-level management to foster improved paths forward.
Author : A.B. Kampunzu
Publisher : Springer Science & Business Media
ISBN 13 : 3642739660
Total Pages : 661 pages
Book Rating : 4.6/5 (427 download)
Download or read book Magmatism in Extensional Structural Settings written by A.B. Kampunzu and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 661 pages. Available in PDF, EPUB and Kindle. Book excerpt: The African continent is unique in that it has escaped widespread orogenic activity after the Pan African orogenic event. Therefore, the African Plate provides the world's best example of the relationship between extensional magmatism and structural setting. This first complete and up-to-date review, written by leading scientists, discusses the evolutionary model and offers a new and reliable basis for scientists working on plate tectonics and extensional areas in other continents.
Author : Daniel C. Edwards
Publisher :
ISBN 13 : 9781423569176
Total Pages : 174 pages
Book Rating : 4.5/5 (691 download)
Download or read book Characteristics of 20th Century Drought in the United States at Multiple Time Scales written by Daniel C. Edwards and published by . This book was released on 1997-05-01 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study is to define the occurrence and variability of drought in the United States in order to furnish climatologists and drought mitigation planners with information on how to put current drought into historical perspective. The opposite of drought is a period of anomalously wet conditions. Analyses of both drought and wet periods on national and regional scales are provided. Analysis of drought and wet periods in terms of areal coverage, intensity, duration, and variability at these different space and time scales provides valuable insight not only into the historical perspective of anomalously dry and wet conditions, but also into the long-term variation of climate in the United States.
Author : Imraan Valodia
Publisher : NYU Press
ISBN 13 : 1776141687
Total Pages : 312 pages
Book Rating : 4.7/5 (761 download)
Download or read book Competition Law and Economic Regulation in Southern Africa written by Imraan Valodia and published by NYU Press. This book was released on 2017-07-04 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shaping markets through competition and economic regulation is at the heart of addressing the development challenges facing countries in southern Africa. The contributors to Competition Law and Economic Regulation: Addressing Market Power in southern Africa critically assess the efficacy of the competition and economic regulation frameworks, including the impact of a number of the regional competition authorities in a range of sectors throughout southern Africa. Featuring academics as well as practitioners in the field, the book addresses issues common to southern African countries, where markets are small and concentrated, with particularly high barriers to entry, and where the resources to enforce legislation against anti-competitive conduct are limited. What is needed, the contributors argue, is an understanding of competition and regional integration as part of an inclusive growth agenda for Africa. By examining competition and regulation in a single framework, and viewing this within the southern African experience, this volume adds new perspectives to the global competition literature. It is an essential reference tool and will be of great interest to policymakers and regulators, as well as the rapidly growing ecosystem of legal practitioners and economists engaged in the field.
Author : Albert Matter
Publisher :
ISBN 13 : 9781282138469
Total Pages : 290 pages
Book Rating : 4.1/5 (384 download)
Download or read book Modern and Ancient Lake Sediments written by Albert Matter and published by . This book was released on 1978 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a symposium held at the H. C. Orsted Institute, University of Copenhagen, 12-13 August 1977. Sponsored by the International Association of Sedimentologists and the Societas Internationalis Limnologiae.
Author : A. J. Fleet
Publisher : Blackwell Science
ISBN 13 :
Total Pages : 420 pages
Book Rating : 4.:/5 (45 download)
Download or read book Lacustrine Petroleum Source Rocks written by A. J. Fleet and published by Blackwell Science. This book was released on 1988 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:
