Traditional Culture Encyclopedia - Weather inquiry - Excuse me, why didn't Gansu people leave their houses earlier and be collapsed?
Excuse me, why didn't Gansu people leave their houses earlier and be collapsed?
Shandagou is deep, two mountains are sandwiched by a river, and a town is built on the floodplain, which is the basic topographic structure of Zhouqu County, Gannan Prefecture, Gansu Province. Zhouqu debris flow is poured into the county from the towering Beishan Canyon.
According to Southern Weekend, the occurrence of debris flow is related to weather forecast. The weather forecast that day said that the rainfall in Zhouqu County was about 10mm, which was also consistent with the actual situation, but the rainfall in the mountainous area reached more than 90 mm that day! Although someone was on duty in the relevant area, it was not reported because the rainfall in this area was not outstanding. When the mudslide was discovered, Zhouqu County had lost power and could not be contacted.
One factor to consider is the time of the disaster. It was afternoon 10, and everyone in the small county should have gone to bed, and there was not much rainfall in the county at that time. Of course, they will think that nothing will happen.
In addition, debris flow and flood damage buildings differently. Debris flow is a huge soil flow mixed with sand and gravel, and buildings are knocked down by impact, not damaged by soaking. It is precisely because of the soil flow that people are buried firmly, and people can't breathe, causing a lot of deaths in an instant. So, you see, the number of people affected is small, but there are many deaths, which is very different from the earthquake and flood.
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