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基于時(shí)空分布特征的地質(zhì)災害氣象預警預報模型研究
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1.吉林省突發(fā)事件預警信息發(fā)布中心;2.吉林省氣象探測保障中心吉林省氣象儀器計量檢定站

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P642

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中國氣象局創(chuàng )新發(fā)展專(zhuān)項(CXFZ2022J007);環(huán)渤海區域科技協(xié)同創(chuàng )新(QYXM202209)


Research on Geological Disaster Meteorological Warning and Forecasting Model Based on Geological Temporal and Spatial Distribution Characteristics
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    摘要:

    為有效分析氣象災害情況,降低地質(zhì)災害風(fēng)險,以吉林地區近年來(lái)地質(zhì)災害數據為基礎,分析該地區時(shí)間與空間分布特征。同時(shí),結合對研究區域致災因素的關(guān)系分析,采用層次分析法構建研究地區地質(zhì)災害氣象預警預報模型,實(shí)現對該地區地質(zhì)災害的預警。經(jīng)過(guò)分析,地區降雨、人類(lèi)活動(dòng)、風(fēng)化厚度是引起地質(zhì)災害的主要因素之一。在降雨量較高的災害預測分析中,當降雨量為200mm時(shí),研究模型、綜合指數法、模糊數學(xué)法災害數分別為321處、185處、177處,研究模型更接實(shí)際的310處,可見(jiàn)其預測準確性更高。對研究地區災害情況進(jìn)行進(jìn)一步分析,地區2與地區6具有較高的滑坡風(fēng)險,兩個(gè)地區預測滑坡數均超過(guò)20處,需要做好地質(zhì)風(fēng)險處理。研究?jì)热輰榈刭|(zhì)災害頻發(fā)地區提供有效的災害評估與預警。

    Abstract:

    To effectively analyze the situation of meteorological disasters and reduce the risk of geological disasters, based on recent geological disaster data in Jilin region, analyze the temporal and spatial distribution characteristics of the region. At the same time, based on the analysis of the relationship between the disaster causing factors in the study area, the Analytic Hierarchy Process is used to construct a meteorological warning and prediction model for geological disasters in the study area, achieving early warning of geological disasters in the area. After analysis, regional rainfall, human activities, and weathering thickness are one of the main factors causing geological disasters. In the analysis of disaster prediction with higher rainfall, when the rainfall is 200mm, the research model, comprehensive index method, and fuzzy mathematics method have 321, 185, and 177 disaster numbers, respectively. The research model is more realistic in 310 cases, indicating higher prediction accuracy. Further analysis of the disaster situation in the study area reveals that regions 2 and 6 have a higher landslide risk, with both regions predicting over 20 landslides. Therefore, geological risk management is necessary. The research content will provide effective disaster assessment and early warning for areas with frequent geological disasters.

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曹滿(mǎn),王洋,陳曦,魏運芳,王傳濤.基于時(shí)空分布特征的地質(zhì)災害氣象預警預報模型研究計算機測量與控制[J].,2024,32(11):278-286.

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歷史
  • 收稿日期:2024-05-24
  • 最后修改日期:2024-06-18
  • 錄用日期:2024-06-19
  • 在線(xiàn)發(fā)布日期: 2024-11-19
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