Modulation of radiative aerosols effects by atmospheric circulation over the Euro-Mediterranean region

Nabat, Pierre; Somot, Samuel; Cassou, Christophe; Mallet, Marc; Michou, Martine; Bouniol, Dominique; Decharme, Bertrand; Drugé, Thomas; Roehrig, Romain; Saint-Martin, David

doi:https://doi.org/10.5194/acp-20-8315-2020

Articles | Volume 20, issue 14

https://doi.org/10.5194/acp-20-8315-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

CHemistry and AeRosols Mediterranean EXperiments (ChArMEx)...

https://doi.org/10.5194/acp-20-8315-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 14

Research article

|

17 Jul 2020

Research article |

| 17 Jul 2020

Modulation of radiative aerosols effects by atmospheric circulation over the Euro-Mediterranean region

Pierre Nabat, Samuel Somot, Christophe Cassou, Marc Mallet, Martine Michou, Dominique Bouniol, Bertrand Decharme, Thomas Drugé, Romain Roehrig, and David Saint-Martin

Supplement

https://doi.org/10.5194/acp-20-8315-2020-supplement

Data sets

SURFEX CNRM http://www.umr-cnrm.fr/surfex

OASIS CERFACS https://portal.enes.org/oasis/download

XIOS IPSL https://forge.ipsl.jussieu.fr/ioserver

Aerosol - LAADS DAAC NASA https://ladsweb.modaps.eosdis.nasa.gov/missions-and-measurements/science-domain/aerosol

MIL3MAE NASA https://eosweb.larc.nasa.gov/project/misr/mil3mae_table

CERES Data Products NASA https://ceres.larc.nasa.gov/data/

SeaWinds on QuikSCAT Level 3 Surface Eastward Wind for Climate Model Comparison NASA https://podaac.jpl.nasa.gov/dataset/QSCAT_L3_SFC_EASTWARD_WIND_1DEG_1MO

Data Access CloudSat DPC http://www.cloudsat.cira.colostate.edu/order-data

CM SAF Web User Interface EUMETSAT https://wui.cmsaf.eu/safira/action/viewDoiDetails?acronym=SARAH_V002

Data Climate Research Unit http://www.cru.uea.ac.uk/data

Aerosol Robotic Network (AERONET) NASA https://aeronet.gsfc.nasa.gov/

Baseline Surface Radiation Network: Conditions of data release WRMC-BSRN https://bsrn.awi.de/?id=393

Climate Prediction Center - Teleconnections: North Atlantic Oscillation NOAA https://www.cpc.ncep.noaa.gov/products/precip/CWlink/pna/nao.shtml

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Short summary

The present work aims at better understanding regional climate–aerosol interactions over the Euro-Mediterranean region by studying the relationships between aerosols and atmospheric circulation. Based on 40-year regional climate simulations (1979–2018), our results show the role of the North Atlantic Oscillation in driving the interannual aerosol variability, and that of weather regimes for the daily variability, with ensuing effects on shortwave surface radiation and surface temperature.