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Northern Hemisphere monsoon response to mid-Holocene orbital forcing and greenhouse gas-induced global warming

D'Agostino, R., Bader, J., Bordoni, S., Ferreira, D. and Jungclaus, J. (2019) Northern Hemisphere monsoon response to mid-Holocene orbital forcing and greenhouse gas-induced global warming. Geophysical Research Letters, 46 (3). pp. 1591-1601. ISSN 0094-8276

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To link to this item DOI: 10.1029/2018GL081589

Abstract/Summary

Precipitation and circulation patterns of Northern Hemisphere monsoons are investigated in Coupled Model Intercomparison Project phase 5 simulations for mid-Holocene and future climate scenario rcp8.5. Although both climates exhibit Northern Hemisphere warming and enhanced inter-hemispheric thermal contrast in boreal summer, changes in the spatial extent and rainfall intensity in future climate are smaller than in mid-Holocene for all Northern Hemisphere monsoons except the Indian monsoon. A decomposition of the moisture budget in thermodynamic and dynamic contributions suggests that under future global warming the weaker response of the African, Indian and North American monsoons results from a compensation between both components. The dynamic component, primarily constrained by changes in net energy input over land, determines instead most of the mid-Holocene land monsoonal rainfall response.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:81488
Publisher:American Geophysical Union

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