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Yang Qigui went Qingping, Yingxiu, Longchi and other disaster-hit areas, through on-site viewing, to the relevant authorities, to understand, he believes, disaster Wenchuan earthquake is very serious, treatment is extremely difficult. Qingping such as where the river bed is elevated a few meters to tens of meters, the river had gone. How to flood,
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how to resist the Wenchuan earthquake secondary disasters, how the science in post-disaster reconstruction, attracted nationwide attention. Yesterday, the West China City Daily reporter interviewed Deputy Minister of Water Resources Jiao Yong, Tang mountain lake and the fight against landslides and other major events Zhouqu design principal designer, chief engineer of the Yangtze River Institute Yangqi Gui.
The Qingping such as the earthquake of large areas in the management of debris flow,
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severe flood debris flow hazard areas have been completed and is now proposed to abandon some settlements in the reconstruction planning,
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In this respect, Sichuan Zhouqu is worth learning from. Yang Qigui said Zhouqu debris flow prevention standards in the disaster has been upgraded to a 100 years, more than 20 years is now a case of Qingping much higher. In the specific measures, Zhouqu disposal, while the river flood, debris flow hedge work carried out in Zhouqu county to give up some of the surrounding residential area, set against living in the safety line, as a buffer zone of debris flow.
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flood season this year, heavy rain in Sichuan, the frequency of abnormal heavy rainfall above normal, especially in July, compared with the average calendar year, the frequency of heavy rainfall 40% above normal, above normal frequency of heavy rain 100 percent. Flood disaster, Wenchuan earthquake caused severe flooding mass of debris flow, resulting in significant losses.
Jiao Yong said: Sichuan has been successfully against debris flows. However, like Qingping, Yingxiu and elsewhere in the earthquake zone, then the possibility of outbreaks of torrential debris flows are still high. Thus, in disaster relief and disaster prevention, should be given high priority.
In addition, the majority of the Wenchuan earthquake area, the establishment of early warning and forecasting system, set up a unified platform, in advance to do preventive work, is particularly critical. Yang
Frequent extreme weather this year, heavy rain, torrential rain has caused some areas in Sichuan flood disaster, some earthquake suffered varying degrees of secondary disasters.