| Summary: | 碩士 === 國立臺灣大學 === 環境工程學研究所 === 86 === The air pollutants which are emitted from urban and
industrial areas may place a certain burden to the neighboring
water bodies. This research studied how the air pollutants of
urban areas affect a neighboring dam and its water quality.
Through the atmospheric dispersion process, air pollutants move
from the Taipei metropolitan (including Taipei City, Taipei
County, and Keelung City) to the Fei-Zuei Dam and enter the
water body through dry and wet deposition. ISCST3 (Industrial
Source Complex Short
Before running ISCST3, it was necessary to choose the
proper parameter set and edit the file for the model. After
getting results, analysis of sensitivity was done. Thus we
could revise the parameters to get proper results. The results
were compared with the real station values, and calibration was
done according to this comparison.
The results show that wet deposition places a greater
burden than dry deposition does on the water body. Wet and dry
deposition of NH4+ together make up a rather large proportion
of the total pollution. The ratio was 25.17% in 1994 and
21.88% in 1996. Those of Nitrate make up a smaller proportion:
2.28% in 1994 and 1.98% in 1996; those of sulfate make up a
rather low proportion: 0.2% in 1994 and 0.17% in 1996. If we
take indirect deposition into account and calculate the NO3-
and NH4+ together, th
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