But for inducing new hazards, it needs larger rainfall after hazards occurred. Geo-hazards induced by regional rainstorm often occur in the day and space as same as the rainfall.
在地质灾害大规模发生后，诱发新的地质灾害雨量阈值提高。局地暴雨型降雨诱发的地质灾害往往集中发生在出现局地暴雨的当日当地。
The contribution of various weather systems to precipitation varies in different seasons, and the rainfall and the number of rainy days induced by the westerly trough are the greatest.
不同的天气系统在不同季节对降水的贡献有所不同，其中西来槽类的降雨量和降雨日数均居首位，开展人工增雨催化作业机会最多；
With historic data, risk division is researched and the temporal-spatial distribution features of landslide induced by heavy rainfall are analyzed.
根据历史资料，进行了滑坡风险区划和暴雨型滑坡的时空分布特征分析。
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