Comparison of the green-to-desert Sahara transitions between the Holocene and the last interglacial
Abstract ∘ N, resulting in faster declines of vegetation cover during the LIG than in the Holocene. The decline of vegetation cover peaks at 25% kyr- 1 - 1 ∘ N, weakening the summer monsoon during both interglacials. This desertification is accelerated when the positive vegetation–albedo feedback cannot offset the reduction of precipitation due to a weaker summer monsoon. The impacts of this positive vegetation feedback on precipitation decrease with decreased vegetation cover, during which the impacts of negative vegetation–evaporation feedbacks increase, accelerating the loss of soil moisture and vegetation cover. Overall, the net positive vegetation feedback is strong during the early phases of both interglacials, but the vegetation transition is more abrupt during the LIG than during the Holocene due to the more rapid changes in summer insolation during the LIG. The main difference between the two interglacials is the rate of precipitation change, which is relatively gradual during the Holocene, leading to a more gradual vegetation transition in comparison to the LIG.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Comparison of the green-to-desert Sahara transitions between the Holocene and the last interglacial ; volume:18 ; number:10 ; year:2022 ; pages:2303-2319 ; extent:17
Climate of the past ; 18, Heft 10 (2022), 2303-2319 (gesamt 17)
- Creator
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Li, Huan
Renssen, Hans
Roche, Didier M.
- DOI
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10.5194/cp-18-2303-2022
- URN
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urn:nbn:de:101:1-2022102005140987513707
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:28 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Li, Huan
- Renssen, Hans
- Roche, Didier M.
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