modelling in the coquimbo region
DESCRIPTION
Modelling in the Coquimbo Region. Melitta Fiebig Wittmaack + Inge Bischoff-Gauss (IWR/FZK) + Orlando Astudillo. ¿What is KAMM?. K arlsruhe M esoscale A tmospheric M odel ( Adrian and Fiedler .) non- hydrostatic complex topography (terrain following coordinate system) - PowerPoint PPT PresentationTRANSCRIPT
Modelling in the Coquimbo Modelling in the Coquimbo RegionRegion
Melitta Fiebig WittmaackMelitta Fiebig Wittmaack++
Inge Bischoff-Gauss (IWR/FZK)Inge Bischoff-Gauss (IWR/FZK)++
Orlando AstudilloOrlando Astudillo
¿What is KAMM?
• Karlsruhe Mesoscale Atmospheric Model (Adrian and Fiedler .)
• non- hydrostatic
• complex topography (terrain following coordinate system)
• chemical module coupling, aerosol module coupling, etc.
Datos de entrada requeridos:
+ vertical soundings of wind, temperature and humidity
Input:
Output:
3D distributions of
wind temperature humidity
concentrations of chemical species
First step: the larger flow-field with coarse discretization (Kalthoff et al. 2002)
t < 2 sec, x = 4.7 km H = 15 km
Second step: smaller simulation area with finer discretization and 1 nesting
a: Δx = 1461 m, Δy = 1788 m
i: Δx = 730.5 m, Δy = 894 m
Third step: The influence of the Embalse Puclaro on the local climate; 3 nestings and finest discretization (with Inge Bischoff-Gauß, IWR)
Simulated potential temperature rel. humidity on a summer day
March 2000, Dec. 2001, Nov. 2003 Radiosoundings at La Serena, Vicuña and Cerro Tololo
December 2001 Turbul. measurements at Cerro Tololo