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The surface processes of the Rossby Centre regional atmospheric climate model (RCA4)
SMHI, Research Department, Climate research - Rossby Centre.
Meterologi.
SMHI, Research Department, Climate research - Rossby Centre.
Finnish Meteorological Institute, (FMI), Helsinki, Finland.
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2015 (English)Report (Other academic)
Abstract [en]

This report describes the physical processes as part of the surface scheme in the Rossby Centre Regional Atmospheric Climate Model (RCA4). Or more strictly for the version used for the CORDEX downscalings with RCA4. The most important aspects of the surface scheme that are changed with respect to RCA3 are that (i) a new physiography data base is used, (ii) the number of soil layers with respect to soil moisture are increased from two to three and there is also separate soil columns with respect to soil water under forest and open land, respectively, (iii) an exponential root distribution is used, (iv) the density of organic carbon is used to modify soil properties, (v) the prognostic snow albedo is modified to perform better in cold-climate conditions, (vi) Flake is introduced as lake model and lake depth is defined from a global lake-depth data base, (vii) the dynamic vegetation model LPJ-GUESS is introduced for vegetation-climate feedback studies.

Place, publisher, year, edition, pages
SMHI , 2015. , p. 42
Series
Meteorology, ISSN 0283-7730 ; 157
National Category
Meteorology and Atmospheric Sciences
Research subject
Meteorology
Identifiers
URN: urn:nbn:se:smhi:diva-2840Local ID: Hydrologi, Rapporter, Serie HydrologiOAI: oai:DiVA.org:smhi-2840DiVA, id: diva2:948138
Available from: 2015-06-03 Created: 2016-07-08 Last updated: 2018-09-18Bibliographically approved

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Samuelsson, PatrickKupiainen, Marco

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CiteExportLink to record
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  • apa
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