Application of DARLAM to regional haze modeling

Lawrence C C Koe, Avelino F Arellano, John L. McGregor

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The CSIRO Division of Atmospheric Research limited area model (DARLAM) is applied to atmospheric transport modeling of haze in southeast Asia. The 1998 haze episode is simulated using an emission inventory derived from hotspot information and adopting removal processes based on SO2. Results show that the model is able to simulate the transport of haze in the region. The model images closely resemble the plumes of NASA Total Ozone Mapping Spectrometer and Meteorological Service Singapore haze maps. Despite the limitation of input data, particularly for haze emissions, the three-month average pattern correlation obtained for the whole episode is 0.61. The model has also been able to reproduce the general features of transboundary air pollution over a long period of time. Predicted total particulate matter concentration also agrees reasonably well with observation. The difference in the model results from the satellite images may be attributed to the large uncertainties of emission, simplification of haze deposition and transformation mechanisms and the relatively coarse horizontal and vertical resolution adopted for this particular simulation.

Original languageEnglish (US)
Pages (from-to)189-204
Number of pages16
JournalPure and Applied Geophysics
Volume160
Issue number1-2
DOIs
StatePublished - Jan 2003
Externally publishedYes

Fingerprint

haze
division
modeling
meteorological services
Southeast Asia
Particulate Matter
Ozone
Total Ozone Mapping Spectrometer
transboundary pollution
Singapore
air pollution
TOMS
Air pollution
atmospheric transport
emission inventory
NASA
Spectrometers
simplification
particulates
plumes

Keywords

  • Atmospheric transport modeling
  • Biomass burning
  • Haze
  • Southeast Asia

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

Cite this

Application of DARLAM to regional haze modeling. / Koe, Lawrence C C; Arellano, Avelino F; McGregor, John L.

In: Pure and Applied Geophysics, Vol. 160, No. 1-2, 01.2003, p. 189-204.

Research output: Contribution to journalArticle

Koe, Lawrence C C ; Arellano, Avelino F ; McGregor, John L. / Application of DARLAM to regional haze modeling. In: Pure and Applied Geophysics. 2003 ; Vol. 160, No. 1-2. pp. 189-204.
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