Contribution of anthropogenic sulfate aerosols to the changing Euro-Mediterranean climate since 1980

被引：123

作者：

Nabat, Pierre ^{[1
]}

Somot, Samuel ^{[1
]}

Mallet, Marc ^{[2
]}

Sanchez-Lorenzo, Arturo ^{[3
]}

Wild, Martin ^{[4
]}

机构：

[1] Meteo France, CNRM GAME, UMR3589, Toulouse, France

[2] Lab Aerol, UMR5560, Toulouse, France

[3] Univ Girona, Dept Phys, Girona, Spain

[4] Swiss Fed Inst Technol, Inst Atmospher & Climate Sci, Zurich, Switzerland

来源：

GEOPHYSICAL RESEARCH LETTERS | 2014年 / 41卷 / 15期

关键词：

aerosols; climate change; sulfates; Mediterranean; Europe; brightening; SOLAR-RADIATION; TRENDS; VALIDATION; DATASET;

D O I：

10.1002/2014GL060798

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Since the 1980s anthropogenic aerosols have been considerably reduced in Europe and the Mediterranean area. This decrease is often considered as the likely cause of the brightening effect observed over the same period. This phenomenon is however hardly reproduced by global and regional climate models. Here we use an original approach based on reanalysis-driven coupled regional climate system modeling to show that aerosol changes explain 8116% of the brightening and 235% of the surface warming simulated for the period 1980-2012 over Europe. The direct aerosol effect is found to dominate in the magnitude of the simulated brightening. The comparison between regional simulations and homogenized ground-based observations reveals that observed surface solar radiation and land and sea surface temperature spatiotemporal variations over the Euro-Mediterranean region are only reproduced when simulations include the realistic aerosol variations.

引用

页码：5605 / 5611

页数：7

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