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- Title
Drivers of accelerated warming in Mediterranean climate-type regions.
- Authors
Urdiales-Flores, Diego; Zittis, George; Hadjinicolaou, Panos; Osipov, Sergey; Klingmüller, Klaus; Mihalopoulos, Nikos; Kanakidou, Maria; Economou, Theo; Lelieveld, Jos
- Abstract
The near-surface temperature in Mediterranean climate-type regions has increased overall similarly or more rapidly than the global mean rates. Although these regions have comparable climate characteristics and are located at similar latitudes, recent warming acceleration is most pronounced in the Mediterranean Basin. Here, we investigate the contributions of several climate drivers to regional warming anomalies. We consider greenhouse gases, aerosols, solar irradiance, land–atmosphere interactions, and natural climate variability modes. Our results highlight the dominant role of anthropogenic greenhouse gas radiative forcing in all Mediterranean climate-type regions, particularly those in the northern hemisphere. In the Mediterranean Basin, the recent warming acceleration is largely due to the combined effect of declining aerosols and a negative trend in near-surface soil moisture. While land-atmosphere feedbacks are also important in other locations (e.g., California and Southern Africa), this synergy is unique in the Mediterranean Basin. These two regional climate drivers have natural and anthropogenic components of equivalent importance. Such feedbacks are not fully resolved in the current regional climate projections.
- Subjects
CALIFORNIA; AFRICA; LAND-atmosphere interactions; RADIATIVE forcing; GREENHOUSE gases; MODES of variability (Climatology); AEROSOLS; ATMOSPHERIC turbidity
- Publication
NPJ Climate & Atmospheric Science, 2023, Vol 6, Issue 1, p1
- ISSN
2397-3722
- Publication type
Article
- DOI
10.1038/s41612-023-00423-1