The regional aerosol-climate model REMO-HAM

被引：15

作者：

Pietikainen, J. -P. ^{[1
,2
,3
]}

O'Donnell, D. ^{[1
]}

Teichmann, C. ^{[2
,3
]}

Karstens, U. ^{[4
]}

Pfeifer, S. ^{[3
]}

Kazil, J. ^{[5
,6
]}

Podzun, R. ^{[2
,3
]}

Fiedler, S. ^{[7
]}

Kokkola, H. ^{[1
]}

Birmili, W. ^{[8
]}

O'Dowd, C. ^{[9
]}

Baltensperger, U. ^{[10
]}

Weingartner, E. ^{[10
]}

Gehrig, R. ^{[11
]}

Spindler, G.

Kulmala, M. ^{[12
]}

Feichter, J. ^{[2
]}

Jacob, D. ^{[2
,3
]}

Laaksonen, A. ^{[1
,13
]}

机构：

[1] Finnish Meteorol Inst, FIN-00101 Helsinki, Finland

[2] Max Planck Inst Meteorol, D-20146 Hamburg, Germany

[3] Climate Serv Ctr, D-20095 Hamburg, Germany

[4] Max Planck Inst Biogeochem, D-07745 Jena, Germany

[5] Univ Colorado, CIRES, Boulder, CO 80309 USA

[6] NOAA, ESRL, Boulder, CO 80305 USA

[7] Univ Leeds, Inst Climate & Atmospher Sci, Leeds LS2 9JT, W Yorkshire, England

[8] Leibniz Inst Tropospher Res IfT, D-04318 Leipzig, Germany

[9] Natl Univ Ireland Galway, Galway, Ireland

[10] Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland

[11] Empa Swiss Fed Labs Mat Sci & Technol, CH-8600 Dubendorf, Switzerland

[12] Univ Helsinki, Dept Phys, Helsinki 00014, Finland

[13] Univ Eastern Finland, Dept Appl Phys, Kuopio 70211, Finland

来源：

GEOSCIENTIFIC MODEL DEVELOPMENT | 2012年 / 5卷 / 06期

基金：

芬兰科学院;

关键词：

GENERAL-CIRCULATION MODEL; DRY DEPOSITION PARAMETERIZATION; BACK TRAJECTORIES ANALYSIS; SMALL IMPLICIT DIFFUSION; NUCLEATION EVENTS; PARTICLE FORMATION; BOUNDARY-LAYER; STRATOSPHERIC CONDITIONS; NUMBER CONCENTRATIONS; CLOUD MICROPHYSICS;

D O I：

10.5194/gmd-5-1323-2012

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

REMO-HAM is a new regional aerosol-climate model. It is based on the REMO regional climate model and includes most of the major aerosol processes. The structure for aerosol is similar to the global aerosol-climate model ECHAM5-HAM, for example the aerosol module HAM is coupled with a two-moment stratiform cloud scheme. On the other hand, REMO-HAM does not include an online coupled aerosol-radiation nor a secondary organic aerosol module. In this work, we evaluate the model and compare the results against ECHAM5-HAM and measurements. Four different measurement sites were chosen for the comparison of total number concentrations, size distributions and gas phase sulfur dioxide concentrations: Hyytiala in Finland, Melpitz in Germany, Mace Head in Ireland and Jungfraujoch in Switzerland. REMO-HAM is run with two different resolutions: 50 x 50 km(2) and 10 x 10 km(2). Based on our simulations, REMO-HAM is in reasonable agreement with the measured values. The differences in the total number concentrations between REMO-HAM and ECHAM5-HAM can be mainly explained by the difference in the nucleation mode. Since we did not use activation nor kinetic nucleation for the boundary layer, the total number concentrations are somewhat underestimated. From the meteorological point of view, REMO-HAM represents the precipitation fields and 2 m temperature profile very well compared to measurement. Overall, we show that REMO-HAM is a functional aerosol-climate model, which will be used in further studies.

引用

页码：1323 / 1339

页数：17

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