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Parameterization of dry deposition in MATCH
SMHI, Samhälle och säkerhet.
SMHI, Forskningsavdelningen, Luftmiljö.ORCID-id: 0000-0003-2910-747X
SMHI, Forskningsavdelningen, Luftmiljö.
2002 (engelsk)Rapport (Annet vitenskapelig)
Abstract [en]

The present report describes the calculation of dry deposition in the Multi scale Atmospheric Transport and Chemistry modeling system (MATCH) applied in environmental monitoring studies. For this type of applications dry deposition is parameterized by means of a resistance concept. Modeled dry deposition velocities for different surface types, a variety of meteorological conditions and several chemical species are presented. The deposition’s dependence on the individual partial resistances and their variation with the meteorological conditions are illustrated by means of time-series. The details of the resistance concept are discussed in a pedagogical way in order to both facilitate understanding and to point out different deposition paths.Sensitivity studies have been performed for the laminar sub-layer resistance of particles for which two different settings of resistance values are compared. The importance of SO2 and NO2 uptake by the stomata of plants and the deposition of SO2 to the external parts of plants have also been investigated by means of sensitivity studies. In addition, horizontal maps and monthly mean values of dry deposition velocities based on meteorological data for 1998 are presented.

sted, utgiver, år, opplag, sider
SMHI , 2002. , s. 62
Serie
RMK, Rapport Meteorologi och Klimatologi, ISSN 0347-2116 ; 100
Emneord [en]
Dry deposition, resistance concept, NO2, SO2, stomata resistance
Identifikatorer
URN: urn:nbn:se:smhi:diva-2311Lokal ID: Meteorologi, Luftkvalitet, Rapporter, Serie RMKOAI: oai:DiVA.org:smhi-2311DiVA, id: diva2:947604
Tilgjengelig fra: 2002-11-05 Laget: 2016-07-08 Sist oppdatert: 2016-07-08bibliografisk kontrollert

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