Название: Impact of climate change on sub-sahara africa ISBN: 3631653476 ISBN-13(EAN): 9783631653470 Издательство: Peter Lang Рейтинг: Цена: 66470.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: While global warming and its consequences on humanity are being fiercely debated at the global scale, deliberate and pragmatic reflections on the subject in Sub-Sahara Africa remain muted, though this phenomenon is negatively impacting the livelihoods of her people. The unprecedented degradation of her natural resources, i.e., water, biodiversity, and soils are seen to be intricately linked to her increasing inability to meet the basic needs of her people. This book examines how global climate change impacts on Sub-Sahara Africa, the measures and strategies that would be used in facing it and actions presently implemented in combating it. A pragmatic community/state engagement synergy on climate change mitigation initiatives that rewards best practices is critical to its success. Though investments in research, technical know-how, dedicated commitment and dissemination mechanisms would be inevitable to draw the continent from the precipice, the role of regulatory enforcement mechanisms and a legal framework addressing land use rights permissible within given landscapes is seen to be central to the success of this endeavor.
Автор: Zhang Hong-Quan Название: Revive Eden: Green Sahara Now ISBN: 1543986676 ISBN-13(EAN): 9781543986679 Издательство: Неизвестно Рейтинг: Цена: 183920.00 T Наличие на складе: Невозможна поставка. Описание: Six thousand years ago, the Sahara was lush and green. The Earth's precession (wobbling) has been blamed as the main cause for the vast climate changes between arid desert and green land in the Sahara. Accordingly, it will be another 10,000 years before the Green Sahara is predicted to return. Nevertheless, this book reveals that the Earth's precession only serves as a perturbation to trigger the transitions. The main control is the stability of the water cycle in the Sahara. This is governed by the non-linear relationship between precipitation and evaporation, and, in turn, depends on surface conditions and atmospheric circulation. About 5700 years ago, the Green Sahara suddenly started to wither. The wilting began in the standalone Great Chotts Basin, which is in the strong rain shadow of the Atlas Mountain ranges. When the water cycle stability in this basin was broken, the Great Chott Lakes dried quickly and the rain shadow effect became fully active, triggering desert formation. The desert expanded east and south, like a spreading wildfire powered by the westerlies and trade winds. This led to desertification and aridification in North Africa, West Asia, and the Mediterranean which have continued synchronously until this day. This process spans and affects most of human history as we know it, including the prosperity and desolation of Mesopotamia, the rise and fall of Egypt, and the civilization shifts from east to west across the Mediterranean and the Atlantic. This book will explain the step-by-step spread of the Sahara desert and its impact on West Asia and the Mediterranean regions. Archaeological records and paleoclimate data corroborate this new insight. As an independent validation, the desertification in Northwest China has followed a very similar process and control mechanism. Based on the new understanding, this book reveals methods to revive deserts in Northwest China and Australia, and to turn the Sahara back to green.
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