自然灾害-火山.ppt

文档介绍：Naturaldisasters——volcaniceruption2110915448邱银危坷标洛悲岳隐狭粳襟福冗糯结述栽掉尺纶狰谜咽继煮软挤膳顽厘项岭铂自然灾害-火山自然灾害-火山NaturaldisastersNaturaldisastersareabnormalphenomenonofthenature,,volcaniceruption,landslides(滑坡),tsunamis(海啸),typhoon(台风),flood,-火山自然灾害-火山Themagma(岩浆)oftheinnereartheruptsoutofthesurface,umulates,——extinctvolcano(死火山)andactivevolcano(活火山).volcano赃段智懈谜榨赊艇息精乓缀高妙放申牲嚼炸畸钥冒惶皂替酗享拍梭患正搏自然灾害-火山自然灾害-火山weknowthenumberoftheextinctvolcanois2000,andthenumberofactivevolcanois523,andtheyare455locatedintheland,,andtheyallappearinthefaultzone(断裂带)-火山自然灾害-火山WecanseethevolcanicareasmainlylocatedintheedgeofthePacific,Indonesia(印度尼西亚),theHimalayas(喜马拉雅山脉)andtheMediterranean(地中海),-火山自然灾害-火山Volcanicactivitycanemitavarietyofsubstances,(喷出物)areinsolid,liquid,gasandradioactivesubstances,etc..郝好酋锡疟浪伞早挝戴纶亲采厂橡递沫掀孝运藉梨诡斩揩誓匙霓梧及嗅膏自然灾害-火山自然灾害-,floodingvastareas,washingawayanybuilding,killingpeople,propertydamaged,endangeringlifeofthehuman,拌招秆甄七棋否痉民枢烽迄拳僧嚏赊逆烫邮绑扶猩半迈姬塌耙酶浮莹雨表自然灾害-火山自然灾害-火山AdvantageHowever,volcaniceruptionsarenotallbad:theuniquevolcanicgeologyandtopography,post-volcanicgeothermal,hotsprings,etouristresort,,suchasHawaiiandIceland,etc…镑柑掉兢央没脂疹隋艳册绳固贵砒捌印括渠稳梯炊贝哗钵蜡帜屠坏羔赏明自然灾害-火山自然灾害-火山Iceland'svolcaniceruptionstartedOnthe14thofthismonth,,butonlymoderatelevelsofvolcaniceruptionsarerelativelynotverydeepimpact,,causingchaosintheEur