Traditional Culture Encyclopedia - Weather forecast - Why is the smog in Harbin so serious?
Why is the smog in Harbin so serious?
First, the meteorological conditions are unfavorable: the southwest upper air flow is weakened. On the ground, the cold air force is weak, controlled by the uniform pressure field, and a large-scale static and stable area appears, so the ground diffusion conditions are unfavorable. According to the analysis of sounding data in Harbin at night, there is obvious inversion on the ground in Harbin at night.
Second, the temperature plummeted, and the local coal-fired pollution increased: coal-fired pollution was the main pollution, followed by motor vehicle exhaust. According to the source analysis of pollutants, it is found that the proportion of coal-fired pollution in the ice city has increased in some periods, reaching the highest of 5 1.4%.
- Previous article:Ask for an article "The Economics of China People"
- Next article:A description of a sad scene (preferably the weather)
- Related articles
- Classic funny blessing phrases
- What 3ds games are recommended?
- Peace weather forecast video
- What are the world cultural heritages in Henan?
- Meteorological books
- Send a composition to the teacher on Teacher's Day.
- 65438+1mid-October Qinghai travel guide 65438+1mid-October Qinghai travel guide
- Aotai weather
- How about fishing in foggy days in spring?
- Has Shangqiu Radio Tower stopped?