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Impact De La Mousson Africaine Sur La Composition Chimique De Latmosphere En Afrique Equatoriale
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Book Synopsis Impact de la mousson africaine sur la composition chimique de l'atmosphère en Afrique équatoriale by : Idir Bouarar
Download or read book Impact de la mousson africaine sur la composition chimique de l'atmosphère en Afrique équatoriale written by Idir Bouarar and published by . This book was released on 2009 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Des quantités importantes de gaz réactifs et de particules sont émises en Afrique équatoriale par l’activité humaine, les écosystèmes forestiers, les éclairs et les sols. La convection profonde et les processus de transport à longue distance (e.g. Jet d’Est Africain, Jet d’Est Tropical) qui caractérisent cette région pendant la saison de la mousson peuvent redistribuer ces émissions vers la haute troposphère et en dehors du continent africain. Le but de ce travail de thèse est d’étudier l’influence de ces processus sur la composition chimique de l’atmosphère en Afrique équatoriale. Ce travail s’inscrit dans le cadre de la campagne de mesures AMMA qui a eu lieu en été 2006. Les données mesurées pendant cette campagne ainsi que les données fournies par le programme MOZAIC et par des observations satellites sont analysées et confrontées aux résultats du modèle global de chimie-climat LMDz_INCA. Cela permet d’évaluer les performances du modèle LMDz_INCA d’une part et, d’autre part, de mieux analyser l’influence des émissions et des processus de transport sur le bilan régional de l’ozone (O3) en Afrique équatoriale. La première partie de ce travail est consacrée à l’étude de l’influence du transport convectif et des oxydes d’azote (NOx) émis par les éclairs sur l’ozone et ses précurseurs en Afrique équatoriale. La seconde partie est consacrée à l’analyse de l’impact du transport des émissions par les feux de biomasse en Afrique centrale sur la composition chimique de la troposphère. La dernière partie traite de la contribution des émissions africaines et asiatiques au bilan régional de l'ozone en Afrique équatoriale.
Book Synopsis UNESCO General History of Africa, Vol. I, Abridged Edition by : Jacqueline Ki-Zerbo
Download or read book UNESCO General History of Africa, Vol. I, Abridged Edition written by Jacqueline Ki-Zerbo and published by Univ of California Press. This book was released on 1990 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This volume covers the period from the end of the Neolithic era to the beginning of the seventh century of our era. This lengthy period includes the civilization of Ancient Egypt, the history of Nubia, Ethiopia, North Africa and the Sahara, as well as of the other regions of the continent and its islands."--Publisher's description
Book Synopsis Biodiversity and Sustainable Development by : Rabindra Nath Pati
Download or read book Biodiversity and Sustainable Development written by Rabindra Nath Pati and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers presented at the First Global Summit on Sustainable Development and Biodiversity, held at Raipur during 7-9 February 2009.
Book Synopsis Comparative Climatology of Terrestrial Planets by : Stephen J. Mackwell
Download or read book Comparative Climatology of Terrestrial Planets written by Stephen J. Mackwell and published by University of Arizona Press. This book was released on 2014-01-30 with total page 709 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Through the contributions of more than sixty leading experts in the field, Comparative Climatology of Terrestrial Planets sets forth the foundations for this emerging new science and brings the reader to the forefront of our current understanding of atmospheric formation and climate evolution"--Provided by publisher.
Author :Unesco. International Scientific Committee for the Drafting of a General History of Africa Publisher :Univ of California Press ISBN 13 :9780520067035 Total Pages :1076 pages Book Rating :4.0/5 (67 download)
Book Synopsis Africa Since 1935 by : Unesco. International Scientific Committee for the Drafting of a General History of Africa
Download or read book Africa Since 1935 written by Unesco. International Scientific Committee for the Drafting of a General History of Africa and published by Univ of California Press. This book was released on 1999 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt: The hardcover edition of volume 8 was published in 1994. This paperback edition is the eighth and final volume to be published in the UNESCO General History of Africa. Volume 8 examines the period from 1935 to the present, and details the role of African states in the Second World War and the rise of postwar Africa. This is one of the most important books in the entire series, and as such, it is an unabridged paperback.
Book Synopsis Climate Information and Prediction Services by : World Meteorological Organization
Download or read book Climate Information and Prediction Services written by World Meteorological Organization and published by . This book was released on 1995 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book MEGA-CRISES written by Ira Helsloot and published by Charles C Thomas Publisher. This book was released on 2012-08-01 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: We live in turbulent times with continents and nations facing ever-heightening risks such as natural disasters, intense and protracted conflicts, terrorism, corporate crises, cyber threats to infrastructures and mega-events. We are witnessing the rise of mega-crises and a new class of adversity with many unknowns. The prospect of mega-crises presents professionals and students in the field of crisis management with four major tasks. First, they should engage in “deep thinking” about the causes of the increasing occurrence of mega-crises. Second, they should identify and work through the dominant trends which complicate contemporary crisis management. Third, they should upgrade institutional crisis management capacity. Fourth, they should improve societal resilience since no institutional complex can mitigate or manage these mega-crisis on its own. This book is divided into four primary parts, each of which looks at one facet of mega-crises. Part I focuses on the concept of a mega-crisis and mega-crisis management; Part II examines crisis management of mega-natural disasters; Part III evaluates crisis management of man-made mega-crises; and Part IV identifies mega-threats and vulnerabilities. Additional major topics include Hurricane Katrina; Hurricane Gustav; the London Bombings; the Mumbai Terrorist Attacks of July 7, 2005; corporate meltdowns; the subprime crisis; the Olympic Games; electricity grids; global climate change; the Dutch Delta; risks to food security; and mega-crises and the Internet. This comprehensive text will provide practitioners and academics with the results of an across-the-board research effort in the prospects, nature, characteristics, and the effects of mega-crises.
Book Synopsis The Exo-Weather Report by : David S. Stevenson
Download or read book The Exo-Weather Report written by David S. Stevenson and published by Springer. This book was released on 2016-08-25 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: David Stevenson’s new book links the meteorology of the Earth to that of other planets, stars, and clusters of galaxies, showing the similarities and differences between terrestrial weather and that of weather on other worlds. Because Earth is not unique in having weather, there is much to learn from other planets with atmospheres that show the movement of energy from hotter to colder areas. The weather seen on Earth and other known planetary systems are examined to elaborate the connection between climate and the development of life. The weather on Earth and other Solar System planets is a manifestation of the huge energy budget imparted by our star, the Sun, but weather doesn’t stop at the shores of our Solar System. The author brings together the latest information from satellites and probes, such as Cassini and Hubble, to show its larger place in the astronomical picture. Inferences are drawn about the weather and climate of a large number of other planetary systems that lie far from our own. Additionally, the author expands our understanding of what exactly weather is comprised of by exploring the kind of “weather” experienced on the largest observable scales in the universe.
Book Synopsis Global Versus Local Changes in Upwelling Systems by : Marie-Hélène Durand
Download or read book Global Versus Local Changes in Upwelling Systems written by Marie-Hélène Durand and published by IRD Orstom. This book was released on 1998 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Climate Near the Ground by : Rudolf Geiger
Download or read book The Climate Near the Ground written by Rudolf Geiger and published by Rowman & Littlefield. This book was released on 2009 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised and updated edition of Rudolf Geiger's classic text provides a clear and vivid description of the surface microclimate, its physical basis, and its interactions with the biosphere. The book explains the principles of microclimatology and illustrates how they apply to a wide array of subfields. Those new to the field will find it especially valuable as a guide to understanding and quantifying the vast and ever-increasing literature on the subject. Designed as an introductory text for students in environmental science, this book will also be an essential reference for scientists seeking a clear understanding of the nature and physical basis of the climate near the ground, and its interactions with the biosphere.
Book Synopsis Agricultural Compendium for Rural Development in the Tropics and Subtropics by :
Download or read book Agricultural Compendium for Rural Development in the Tropics and Subtropics written by and published by Elsevier Science & Technology. This book was released on 1985 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ilaco handbook
Book Synopsis Experimental Long-lead Forecast Bulletin by :
Download or read book Experimental Long-lead Forecast Bulletin written by and published by . This book was released on 1995 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nature and Culture in the Democratic Republic of Congo by :
Download or read book Nature and Culture in the Democratic Republic of Congo written by and published by . This book was released on 2004 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Climate and Weather in the Tropics by : Herbert Riehl
Download or read book Climate and Weather in the Tropics written by Herbert Riehl and published by . This book was released on 1979 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind systems of the tropics. Radiation temperature and humidity. Precipitation and evaporation. Vertical energy transfer. The trade wind inversion. Diurnal and local controle. Weather observation and analyses. Synoptic scale weather systems. Tropical cyclones structure and mechanics. Tropical cyclones formation and movement. Numerical hurricane prediction by Ferdinand Baer. The general circulation.
Book Synopsis Habitable Planets for Man by : Stephen H. Dole
Download or read book Habitable Planets for Man written by Stephen H. Dole and published by Rand Corporation. This book was released on 2007-09 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Habitable Planets for Man examines and estimates the probabilities of finding planets habitable to man, where they might be found, and the number there may be in our own galaxy. The author presents in detail the characteristics of a planet that can provide an acceptable environment for humankind, itemizes the stars nearest the earth most likely to possess habitable planets, and discusses how to search for habitable planets. Interestingly for our time, he also gives an appraisal of the earth as a planet and describes how its habitability would be changed if some of its basic properties were altered. This is a reprint of an edition originally published in 1964.
Book Synopsis Quaternary Vegetation Dynamics by : Jürgen Runge
Download or read book Quaternary Vegetation Dynamics written by Jürgen Runge and published by CRC Press. This book was released on 2021-11-28 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book celebrates the relaunch of the African Pollen Database, presents state-of-the-art of modern and ancient pollen data from sub-Saharan Africa, and promotes Open Access science. Pollen grains are powerful tools for the study of past vegetation dynamics because they preserve well within sedimentary deposits and have a huge diversity in ornamentation that allows different taxa to be determined. The reconstruction of past vegetation from the examination of ancient pollen records thus can be used to characterize the nature of past landscapes (e.g. abundance of forests vs. grasslands), provide insights into changes in biodiversity, and gain empirical evidence of vegetation response to climatic change and human activity. In this, the 35th Volume of "Palaeoecology of Africa", we bring together new data and extensive synthetic reviews to provide novel insights into the relationships between human evolution, human activity, climate change and vegetation dynamics during the Quaternary, the last 2.6 million years. Current and ongoing climate and land-use change is exerting pressure on modern vegetation formations and threatening the livelihoods and wellbeing of many peoples in Africa. In this book the focus is on the Quaternary because it is during this geological period that the modern vegetation formations developed into their current configurations against a backdrop of high magnitude global climate change (glacial-interglacial cycles), human evolution, and a growing human land-use footprint. In this book the latest information is presented and collated from around the African continent to parameterize past vegetation states, identify the drivers of vegetation change, and assess the vegetation resilience to change. To achieve this research from two broad themes are covered: (i) the present is the key to the past (i.e. studies which improve our understanding of modern environments so that we can better interpret evidence from the past), and (ii) the past is the key to the future (i.e. studies which unlock information on how and why vegetation changed in the past so one can better anticipate trajectories of future change). This Open Access book will provide a strong foundation for future research exploring past ecological, environmental and climatic change within Africa and the surrounding islands. The book is organized regionally (covering western, eastern, central, and southern Africa) and it contains specialized articles focused on particular topics (such as modern pollen-vegetation relationships and fire as a driver of vegetation change), as well as regional and pan-African syntheses drawing together decades of research to assess key scientific questions (including the role of climate in driving vegetation change and the role of vegetation change in human evolution). These articles will be useful to students and teachers from high school to the highest level of university who are interested in the origins and dynamics of vegetation in Africa. Furthermore, it is also meant to provide societally relevant information that can act as an inspiration for the development of sustainable management practices for the future.
Download or read book Plant Ecology written by Unesco and published by . This book was released on 1955 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
