flood洪水等自然灾害英文PPT

DISASTERFLOOD（1）CONCEPT（2）CAUSE（3）DISTRIBUTION（4）FEATURES（5）DAMAGE（6）WAYS•Floodisatypeofnaturaldisasterwhichcausesbywater.Afloodformingbylake,river,oroceanwaterlevelrisingoverthegeneralwaterlevelanditwillthreattotheareawhichnearbyorrainpitchforks(干草叉)foralongtimeandthedrainagesystem(排水系统)drainsnotintime,floodswillnaissance(产生).••waterloggedvehicle涉水车辆•burstbanks/breachthedyke决堤/溃堤•releasefloodwaters泄洪•flood-diversionzones分洪区•floods/floodwater/inundation洪水•freshet河水猛涨/涨水•historichighs历史最高点•waterdischarge水流量/排水•emergencywaterways应急水道•inflatableboats充气艇•rubberboats橡皮艇•inundatecrops淹没农田•disasterareas受灾地区•flood-hitpopulation受灾人口•frequentshowers经常性的阵雨•raincatsanddogs倾盆大雨•torrentialdownpours/rains暴雨/倾盆大雨•persistentrain持续降雨•rainfall降雨•downpour暴雨•monkey’swedding太阳雨•storm/tempest/rainstorms暴风雨•thundershower雷阵雨•drizzle毛毛雨•OfficeofStateFloodControlandDroughtReliefHeadquarters国家防汛抗旱总指挥部•rainstormwarningsystem暴雨警戒系统FarmlandandvillagewasfloodedofNenjiangLook!Becauseofflood,Ilosemyhome.Myeyesarefilledwithsadness.Ohmygod!naturalcauses*Floodvolume（长江流域广，支流多，汛期长，雨期大范围的降雨，引起干流和支流洪水同时爆发，中下游势必江发生大的洪水灾害。）*Regulatingstoragecapacity（中游无足够调洪、滞洪场所如”湖泊”)*Floodingdischargecapacity（下游河道过洪能力不足）humanfactor∴cutdowntrees∴reclamationoflandfromthelake（围湖造田)TyphoneDifferentcallsTherearemanycallsof“Typhoon”indifferentplaces.•WesternNorthPacificandSouthChinaSeacalledTyphoon.•WesternAtlantic(大西洋),Caribbean(加勒比海),GulfofMexico(墨西哥湾)andtheeasternNorthPacificcalledHurricanes•IndianOceancalledCyclone.•Philippines（菲律宾）calledBaguio.•Australianaborigines(土著居民)calledthetyphoonWilly-Willy.PeakMonthesandtheLandingAreaThetyphoonsofChinamostlycomefromthenorthwesternPacificocean.ThelandingtimemostlyfromJulytoNovember.TheearlistonewouldlandinMay,whilethelastoneofenoccursinDecember.ThelandingareaisalmostthroughouttheentirecoastalareaofChina,especillyinSoutheastChina.Guangdongisacoastalregionwiththehighestnumberoftyphoon,followedbyTaiwan,Hainan,FujianandZhejiang.Toworld•*fromclimaticreasons：floodconcentratesinlowandmiddlelatitudes,especiallyinsubtropicalmonsoonclimatezone.洪涝集中在中低纬度地区，尤其是亚热带季风气候区.•fromgeographicalconditions：floodoccursmoreonbothsidesoftheriver,especiallyinthemiddleandlowerreachesoftheriver.洪涝多发生在江河两岸，特别是河流的中下游地区。（1）southeastAsia东南亚地区（2）westAsian,northAmericaandnorthAfrica.西亚北美北非地区（3）westAfrica,eastAfrica,southAfricaandOceania西非和东非以及南部非洲和大洋洲。seasonalitysimilarityuniversalityregionaldestructivenessThesecondaryeffectsare:Watersupplies–Contaminationofwater.Cleandrinkingwaterbecomesscarce.Diseases–Unhygienic(不卫生的)conditions.Spreadofwater-bornediseases.Cropsandfoodsupplies–Shortageoffoodcropscanbecausedduetolossofentireharvest.However,lowlandsnearriversdependuponriversiltdepositedbyfloodsinordertoaddnutrientstothelocalsoil.Trees–Non-tolerantspeciescandiefromsuffocation(窒息).Transport-Transportlinksdestroyed,sohardtogetemergencyaidtothosewhoneedit.Precautions•1.Payattentiontothefloodwarningsandprepareforitearly.Improvetheemphasis,activelyinvolvedinadvocacyandmakeadequatepreparations•2.Floodiscoming,youcanusedoor,woodenbed,andsoontomakewatertransport.•3.Ifthefloodcomesfast,youaretolatetotransfer.Youshouldimmediatelyclimbontotheroof,trees,wallsorotherhighplaces,waitingforrescue.Whenyouareinthemountains,youmustbecarefulnottohurtbylandslidesortherollingstones.Don'teatfoodtouchedbyfloodwaters,oryoucangetsickbecausefloodwatermaycontainpollutants.ImprovethefloodcontrolconsciousnessDoagoodjobforfloodforecastingLetthepeoplewhosufferthedisastergetmoremoneyandcareTohelpvictimsrebuildtheirhomesandsoothetheirminds.Thankyou!