How Does the North Atlantic SST Pattern Respond to Anthropogenic Aerosols in the 1970s and 2000s?

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Title:Main Title: How Does the North Atlantic SST Pattern Respond to Anthropogenic Aerosols in the 1970s and 2000s?
Description:Abstract: We show how changes in the global distribution of anthropogenic aerosols favor different spatial patterns in the North Atlantic sea-surface temperature (NASST). The NASSTs largely show the expected decrease associated with the anthropogenic aerosols in the 1970s, but also an unusual warming response in the eastern sub-polar gyre, the region of the North Atlantic warming hole. The NASST response reversed for the anthropogenic aerosols in the 2000s against 1970s. The regional reduction in anthropogenic aerosols favored as follows: (1) a strengthening of the warming hole and (2) a NASST increase at high latitudes associated with changes in the coupled atmosphere-ocean dynamics. We found that the gyre component of the northward Atlantic heat transport in mid-to high latitudes is an important driver for the heat convergence associated with the NASST patterns. At least two-thirds of the NASST response in MPI-ESM1.2 is associated with aerosol-cloud interactions, highlighting the need to better understand them.
Identifier: (DOI)
Citation Advice:Fiedler, S., & Putrasahan, D. (2021). How does the North Atlantic SST pattern respond to anthropogenic aerosols in the 1970s and 2000s? Geophysical Research Letters, 48, e2020GL092142.
Responsible Party
Creators:Stephanie Fiedler (Author), Dian Putrasahan (Author)
Publisher:Geophysical Research Letters
Publication Year:2021
CRC1211 Topic:Climate
Related Subproject:A3
Subject:Keyword: Climate Models
Geogr. Information Topic:Climatology/Meteorology/Atmosphere
File Details
Data Type:Data Paper - PAper
File Size:1.5 MB
Date:Issued: 28.03.2021
Mime Type:application/pdf
Data Format:PDF
Download Permission:Free
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Licence:[Creative Commons] Attribution 4.0 International (CC BY 4.0)
Specific Information - Publication
Publication Status:In Print
Review Status:Peer reviewed
Publication Type:Article
Article Type:Journal
Source:Geophysical Research Letters
Source Website:
Number of Pages:11 (1 - 11)
Metadata Details
Metadata Creator:Rovina Pinto
Metadata Created:19.01.2022
Metadata Last Updated:12.04.2022
Funding Phase:2
Metadata Language:English
Metadata Version:V50
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