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High resolution simulation of the variability of surface energy balance fluxes across central London with urban zones for energy partitioning

Loridan, T., Lindberg, F., Jorba, O., Kotthaus, S., Grossman-Clarke, S. and Grimmond, C. S. B. (2013) High resolution simulation of the variability of surface energy balance fluxes across central London with urban zones for energy partitioning. Boundary-Layer Meteorology, 147 (3). pp. 493-523. ISSN 0006-8314

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To link to this article DOI: 10.1007/s10546-013-9797-y

Abstract/Summary

The parameterization of surface heat-flux variability in urban areas relies on adequate representation of surface characteristics. Given the horizontal resolutions (e.g. ≈0.1–1km) currently used in numerical weather prediction (NWP) models, properties of the urban surface (e.g. vegetated/built surfaces, street-canyon geometries) often have large spatial variability. Here, a new approach based on Urban Zones to characterize Energy partitioning (UZE) is tested within a NWP model (Weather Research and Forecasting model;WRF v3.2.1) for Greater London. The urban land-surface scheme is the Noah/Single-Layer Urban Canopy Model (SLUCM). Detailed surface information (horizontal resolution 1 km)in central London shows that the UZE offers better characterization of surface properties and their variability compared to default WRF-SLUCM input parameters. In situ observations of the surface energy fluxes and near-surface meteorological variables are used to select the radiation and turbulence parameterization schemes and to evaluate the land-surface scheme

Item Type:Article
Refereed:Yes
Divisions:No Reading authors. Back catalogue items
Faculty of Science > School of Mathematical and Physical Sciences > Department of Meteorology
ID Code:34413
Publisher:Springer Science

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