Solar irradiance prediction over the aegean sea

Shortwave parameterization schemes and aerosol radiation feedback

Book chapter (2018)

Authors

G. Methymaki National and Capodistrian University of Athens
E. Bossioli National and Capodistrian University of Athens
Aggeliki Dandou National and Capodistrian University of Athens
J. Kalogiros National Observatory of Athens
G. Biskos The Cyprus Institute, Atmospheric Remote Sensing - CEG
Nikolaos Mihalopoulos University of Crete
Athanasios Nenes Georgia Institute of Technology
M. Tombrou National and Capodistrian University of Athens
Research Group
Atmospheric Remote Sensing (CEG) (TU Delft)
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Published Date

2018

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Geoscience and Remote Sensing

Research Group

Atmospheric Remote Sensing

Abstract

In order to study the solar irradiance’s prediction over Greece, WRF-Chem model is applied, using three shortwave radiation parameterization schemes: Dudhia, Goddard and RRTMG which simulate differently the aerosol-radiation interaction. This study focuses on a typical summertime wind pattern, the Etesian outbreaks, during which polluted air masses are transported in Greek territory and therefore they affect incoming solar irradiance. The results indicate that schemes overall overestimate solar irradiance reaching the ground; Dudhia scheme by 9%, RRTMG by 13%, and Goddard by 17%. The performance of all schemes is improved when the aerosol-radiation interaction is considered at least by 1.5%, while local temperature changes, by up to 1.5°, are noticed.

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