Journal Article

FZJ-2023-00914

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Mineral dust aerosol impacts on global climate and climate change

Kok, J. F. (Corresponding author) ; Storelvmo, T. ; Karydis, V. A.FZJ* ; Adebiyi, A. A. ; Mahowald, N. M. ; Evan, A. T. ; He, C. ; Leung, D. M.

2023
Nature Research London

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Please use a persistent id in citations: http://hdl.handle.net/2128/34038  doi:10.1038/s43017-022-00379-5

Abstract: Mineral dust aerosols impact the energy budget of Earth through interactions with radiation, clouds, atmospheric chemistry, the cryosphere and biogeochemistry. In this Review, we summarize these interactions and assess the resulting impacts of dust, and of changes in dust, on global climate and climate change. The total effect of dust interactions on the global energy budget of Earth — the dust effective radiative effect — is −0.2 ± 0.5 W m−2 (90% confidence interval), suggesting that dust net cools the climate. Global dust mass loading has increased 55 ± 30% since pre-industrial times, driven largely by increases in dust from Asia and North Africa, leading to changes in the energy budget of Earth. Indeed, this increase in dust has produced a global mean effective radiative forcing of −0.07 ± 0.18 W m−2, somewhat counteracting greenhouse warming. Current climate models and climate assessments do not represent the historical increase in dust and thus omit the resulting radiative forcing, biasing climate change projections and assessments of climate sensitivity. Climate model simulations of future changes in dust diverge widely and are very uncertain. Further work is thus needed to constrain the radiative effects of dust on climate and to improve the representation of dust in climate models.

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Contributing Institute(s):

1. Troposphäre (IEK-8)

Research Program(s):

1. 2111 - Air Quality (POF4-211) (POF4-211)

Appears in the scientific report 2023

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Database coverage:
; ; BIOSIS Previews ; BIOSIS Reviews Reports And Meetings ; Clarivate Analytics Master Journal List ; Current Contents - Agriculture, Biology and Environmental Sciences ; Current Contents - Physical, Chemical and Earth Sciences ; DEAL Nature ; Essential Science Indicators ; IF >= 40 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection ; Zoological Record

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