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全球氣候變化與地質(zhì)災(zāi)害響應(yīng)分析

發(fā)布時(shí)間:2018-07-02 07:26

  本文選題:全球氣候變化 + 氣溫; 參考:《地質(zhì)力學(xué)學(xué)報(bào)》2017年01期


【摘要】:對(duì)全球氣候變化對(duì)地質(zhì)災(zāi)害的響應(yīng)關(guān)系,尤其是對(duì)滑坡和泥石流災(zāi)害的響應(yīng)關(guān)系進(jìn)行了綜述。工業(yè)化革命以來,特別是近幾十年來全球氣候發(fā)生著重要的變化,全球幾乎所有地區(qū)都經(jīng)歷著升溫過程。全球氣候變化對(duì)極端天氣事件(極端降雨、氣溫升高、強(qiáng)風(fēng)和洪水災(zāi)害)的影響尤為強(qiáng)烈,并且增加了地質(zhì)災(zāi)害的發(fā)生風(fēng)險(xiǎn)。其中,水循環(huán)和氣溫的變化是影響地質(zhì)災(zāi)害發(fā)生的直接因素。氣溫上升會(huì)導(dǎo)致大氣層含水量升高、冰川凍土退化、海平面上升、蒸發(fā)作用增強(qiáng);水循環(huán)變化會(huì)導(dǎo)致降雨頻率、降水周期、降水強(qiáng)度的改變。日益增加的極端天氣與同巖土體相互作用,導(dǎo)致了不同類型地質(zhì)災(zāi)害的發(fā)生,嚴(yán)重威脅著人類的生活起居。
[Abstract]:The response relationship of global climate change to geological hazards, especially to landslide and debris flow disasters, is reviewed in this paper. Since the industrial revolution, especially in recent decades, the global climate has undergone important changes, almost all regions of the world are experiencing a warming process. Global climate change has a particularly strong impact on extreme weather events (extreme rainfall, rising temperatures, strong winds and floods) and increases the risk of geological hazards. Among them, the change of water cycle and temperature is the direct factor that affects the occurrence of geological disaster. The rise of temperature will lead to the increase of atmospheric water content, the degradation of glacial permafrost, the rise of sea level and the enhancement of evaporation, and the change of water cycle will lead to the change of rainfall frequency, precipitation cycle and precipitation intensity. The increasing interaction between extreme weather and the same rock and soil resulted in the occurrence of different types of geological disasters, which seriously threatened the daily life of human beings.
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本文編號(hào):2089369

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