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When the Sahara was green : how our greatest desert came to be / [electronic resource]
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| 자료유형 | E-Book |
|---|---|
| 개인저자 | Williams, M. A. J., author. |
| 서명/저자사항 | When the Sahara was green :how our greatest desert came to be /Martin Williams.[electronic resource] |
| 발행사항 | Princeton, New Jersey : Princeton University Press, [2021] |
| 형태사항 | 1 online resource (xxvii, 222 pages) : illustrations, maps |
| 소장본 주기 | Added to collection customer.56279.3 |
| ISBN | 9780691228891 0691228892 9780691234786 0691234787 |
| 서지주기 | Includes bibliographical references and index. |
| 내용주기 | Introduction -- The Green Sahara -- Origins -- Birth of the Sahara -- Hippo Hunters of the Sahara -- A Sea of Sand -- Through a Glass Darkly -- Water and Sand -- A Handful of Dust -- Wood-Smoke at Twilight -- The Sahara Today -- In the Land of Great Drought -- Human Impact on the Sahara -- Life in the Sahara: Adapting to Aridity -- Epilogue: Will the Sahara Become Green Once More? |
| 요약 | "The little-known history of how the Sahara was transformed from a green and fertile land into the largest hot desert in the worldThe Sahara is the largest hot desert in the world, equal in size to China or the United States. Yet, this arid expanse was once a verdant, pleasant land, fed by rivers and lakes. The Sahara sustained abundant plant and animal life, such as Nile perch, turtles, crocodiles, and hippos, and attracted prehistoric hunters and herders. What transformed this land of lakes into a sea of sands? When the Sahara Was Green describes the remarkable history of Earth's greatest desert-including why its climate changed, the impact this had on human populations, and how scientists uncovered the evidence for these extraordinary events.From the Sahara's origins as savanna woodland and grassland to its current arid incarnation, Martin Williams takes us on a vivid journey through time. He describes how the desert's ancient rocks were first fashioned, how dinosaurs roamed freely across the land, and how it was later covered in tall trees. Along the way, Williams addresses many questions: Why was the Sahara previously much wetter, and will it be so again? Did humans contribute to its desertification? What was the impact of extreme climatic episodes-such as prolonged droughts-upon the Sahara's geology, ecology, and inhabitants? Williams also shows how plants, animals, and humans have adapted to the Sahara and what lessons we might learn for living in harmony with the harshest, driest conditions in an ever-changing global environment.A valuable look at how an iconic region has changed over millions of years, When the Sahara Was Green reveals the desert's surprising past to reflect on its present, as well as its possible future"-- |
| 일반주제명 | Climatic changes -- Sahara. Desertification -- Africa, North. Paleoclimatology -- Sahara. SCIENCE / Global Warming & Climate Change. SCIENCE / History. Climatic changes. Climatology. Desertification. Paleoclimatology. |
| 주제명(지명) | Sahara -- Climate -- History.North Africa. -- fastSahara. -- fast |
| 언어 | 영어 |
| 기타형태 저록 | Print version:Williams, M. A. J.When the Sahara was greenPrinceton : Princeton University Press, 20219780691201627 |
| 대출바로가기 | https://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=2907081 |
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