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Development of air quality models in Chile. by Rainer Schmitz Department of Geophysics University of Chile Research Center Karlsruhe IMK-IFU, Germany. First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003 . Use of air quality models in Chile.

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Development of air quality models in Chile

by

Rainer Schmitz

Department of Geophysics

University of Chile

Research Center Karlsruhe IMK-IFU, Germany

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Use of air quality models in Chile

Institutions and their respective models:

  • CENMA (Casmassi)

  • University of Santiago (Neural Networks)

  • Chilean Weather Office (MM5)

  • CONAMA/CENMA (AIRVIRO, HIRLAM/MATCH)

  • Catholic University (UAM, CAMx, CALMET)

  • University of Chile

    Department of Geophysics

    (CADM, MM5, MM5/Chemistry (MCCM), WRF)

    Center for Mathematical Modelling (HIRLAM/MATCH)

  • Others (KAMM/DRAIS)

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Santiago de Chile

40km

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Santiago de ChileTypical synoptic situations

Winter

Summer

20 S

50 S

Garreaud et al., 2002

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Problems for winter air quality forecast

PM10 concentrations between June 20-22, 2000

Emissions

Surface winds at 21 hrs (LT)

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Actual Forecast

Diagnostic air

quality data

Multiple regression

analysis

Forecast

Diagnostic meteo-

rology data

Neural network

Forecast

Subjective meteo-

rological forecast

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Model developmentPM10

Mixing layer height according to MM5 forecast

Concentrations in Pudahuel and Parque O'Higgins

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Model developmentPM10

Diagnostic air

quality data

Multiple regression

analysis

Forecast

Diagnostic meteo-

rology data

Neural network

Forecast

Prognostic meteoro-

logical data from NWP

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Dynamical models with forecasting potential

CADM (Chilean Air pollution Dispersion Model)

Off-line

Meterology:MM5

Gas phase: RADM2

Aerosols: MADE/SORGAM

MM5/Chemistry (MCCM)

On-line

Meteorology:MM5

Gas Phase: RADM2

Aerosols: MADE/SORGAM

WRF/Chemistry

On-line

Meteorology:WRF

Gas Phase: RADM2

Aerosols: MADE/SORGAM

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


CADM (CO)

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


CADM (Ozone)

Las Condes

mg/m3

Seminario

mg/m3

Observation

Simulation

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Problems for summer air quality forecast

  • Emission inventories

  • Model validation

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


WRF/Chemistry

PM10

PM2.5

(from NOAA/FSL)

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


MM5/Chemistry

Aerosols

Ozone

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Computational infrastructure

  • Linux Cluster

    • 10 nodes with dual Pentium 4 processors

    • SCALI interconnect

  • Digital alpha 4100

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


Resources

  • Economic resources

    • Present: Funding from CONAMA

    • Future: Research projects, private sources

  • Human resources

    • Master students

First Air Quality Workshop for the GURME Latin America project, Santiago de Chile, 2003


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