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Author Mahura, Alexander
Source CiteSeerX
Content type Text
File Format PDF
Subject Domain (in DDC) Computer science, information & general works ♦ Data processing & computer science
Subject Keyword Building Effect Parameterization Module ♦ Fl Uxes ♦ Urban Area ♦ Dmi Hirlam Model ♦ Building Effect Parametrization ♦ Model Urbanization ♦ Long-term Run ♦ Nwp Model ♦ Urbanization Module ♦ Urban Station ♦ Copenhagen Metropolitan ♦ Wind Velocity ♦ Module Performance ♦ Relative Humidity Fi Eld ♦ Complex Structure ♦ Off-line Run ♦ Different Parameter ♦ Boundary Layer ♦ Numerical Weather Prediction ♦ Multiple Contribution ♦ Urban Anthropogenic Heat Fl Ux ♦ Verifi Cation Result ♦ Forecasted Diurnal Cycle ♦ Meteorological Network ♦ Air Temperature
Abstract In this study, an evaluation of the numerical weather prediction (NWP) model’s urbanization based on long-term runs of the DMI–HIRLAM model with and without urbanization modules has been done. Two modules – 1) urban anthropogenic heat fl ux and roughness and 2) building effect parametrization – have been tested for off-line runs of NWP model. The period studied is from 1 July till 31 August 2004. Verifi cation results of modules performance are summarized for forecasted diurnal cycle of wind velocity, air temperature and relative humidity fi elds for all stations and selected urban stations in the Copenhagen metropolitan and surroundings. Introduction1 It is known that the boundary layer in the urban areas has a complex structure due to multiple contributions of different parameters, including variability in roughness and fl uxes, etc. All these effects can be included to some extend into models. In such areas the meteorological network is sparse (although better than most other places) and measurements at stations do not refl ect a
Educational Role Student ♦ Teacher
Age Range above 22 year
Educational Use Research
Education Level UG and PG ♦ Career/Technical Study