Analysis and Assessment of Comfortableness Index Change of Climate and Atmospheric Environment in Hohhot Urban Area
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Abstract:
Based on the meteorological data and the average concentration data of main pollutants from 1961 to 2006 at Hohhat, the impacts of climate warming on atmospheric environment and comfortableness at Hohhat are analyzed by using the statistical method and meteorological environment assessment indexes. The results indicate that：(1) In the urban area of Hohhot in the recent 50 years, climate warming was obvious; the heat island effect was remarkable; precipitation showed a reduction tendency; the climatic characteristic of warmdrought was obvious. (2) The main meteorological disasters showed a reduction tendency, especially sandstorm and heavy fog, resulting in the reduced concentration of atmospheric particles (PM10). (3) The main pollutant PM10 peaked in winter during the heating period and the time in windy and sandy weather. At the same time, temperature inversion and heat island effect have an enhanced trend, which is disadvantageous for pollutants diffusion. The comfortableness index in summer increased, which is still in the range of comfortable feeling and suitable for living and spending holidays for people.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.