Universität zu Köln

Gama, C., Ribeiro, I, Lange, A. C., Vogel, A., Ascenso, A., Seixasa, V, Elbern, H., Borrego, C., Friese, E. and Monteiro, A. (2019). Performance assessment of CHIMERE and EURAD-IM' dust modules. Atmos. Pollut. Res., 10 (4). S. 1336 - 1347. BUCA: TURKISH NATL COMMITTEE AIR POLLUTION RES & CONTROL-TUNCAP. ISSN 1309-1042

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Abstract

The purpose of this study is to investigate how two different atmospheric 3D modelling systems, with different dust modules, simulate a Saharan dust episode, using satellite data and in-situ observations to validate their performances. The episode occurred during 19-23 February 2016 and impacted the Iberian Peninsula. The two numerical modelling systems applied are the CHIMERE and the EURAD-IM chemistry transport models with different dust modules, both forced by the same WRF meteorological input. A common domain and resolution (27 x 27 km(2)) was adopted for the modelling setup. The comparison and evaluation of the two modelling results have shown that both models are able to capture the occurrence of the natural event, which was initiated by a cut-off low above the coast of Morocco, inducing a strong meridional transport of dust loaded air from Algeria straight towards eastern parts of the Iberian Peninsula. The most notable differences between the two model outputs concern the emission strengths and the emission source regions. In fact, different emission patterns and strengths are simulated by each model despite they use the same soil database, identical clay/silt/sand contribution for each soil type, and the same meteorological simulation. In general, CHIMERE simulates higher PM10, PM2.5, and dust concentrations than EURAD-IM for this event. In the South of Portugal, CHIMERE shows better agreement with observations, while in Central Portugal, EURAD-IM is closer to particle related measurements.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Gama, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ribeiro, I UNSPECIFIED UNSPECIFIED UNSPECIFIED Lange, A. C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vogel, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ascenso, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Seixasa, V UNSPECIFIED UNSPECIFIED UNSPECIFIED Elbern, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Borrego, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Friese, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Monteiro, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-136509
DOI:	10.1016/j.apr.2019.03.005
Journal or Publication Title:	Atmos. Pollut. Res.
Volume:	10
Number:	4
Page Range:	S. 1336 - 1347
Date:	2019
Publisher:	TURKISH NATL COMMITTEE AIR POLLUTION RES & CONTROL-TUNCAP
Place of Publication:	BUCA
ISSN:	1309-1042
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language 1 MODEL DESCRIPTION; DESERT DUST; SAHARAN DUST; MINERAL AEROSOL; AFRICAN DUST; AIR-QUALITY; MEDITERRANEAN BASIN; PM10 CONCENTRATIONS; DRY DEPOSITION; GLOBAL SCALES Multiple languages Environmental Sciences Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/13650