1、Natural disasterGroup 3:梁枢伦梁枢伦 沈棋栋沈棋栋 马淑文马淑文 李立利李立利 王佳可王佳可 张忆婷张忆婷第1页Sudden disaster(突发性灾害):Earthquake,volcano eruption(火山暴发),mudslide(泥石流),tsunami(海啸),typhoon,floodGradual disaster(渐变性灾害):Ground subsidence(地面沉降),land desertification(土地沙漠化),drought,the coastline change(海岸线改变)Environment disaster(环境灾害
2、):The change of ozone layer(臭氧层改变),pollution of water,soil erosion(水土流失),acid rain(酸雨)第2页tsunamiearthquakemud-rock flow第3页Tsunami1.ConceptEvil billow恶浪,phenomenon2.Area 3.Reason4.Influence第4页Area Pacific Rim (环太平洋地带)Alps to the Himalayas (阿尔卑斯山到喜马 拉雅山一线)第5页Indonesia tsunami印尼海啸,India plate印度板块 Euras
3、ian plate欧亚板块,fault line断层,fluctuation波动,consequently结果Reason第6页InfluenceHouse CarBuildingdisease第7页Mudslide1.Concept:Channel depth,steep terrain2.Area 3.Reason4.Influence第8页Pacific rim(环太平洋地带)Eurasia(欧亚大陆)Alps Himalaya fold belt(阿尔卑斯喜马拉雅褶皱带Columbia哥伦比亚,Peru秘鲁,Switzerland瑞士,Area第9页Distribution of de
4、bris flow in China 中国泥石流分布图第10页Gansu Guizhou Yunnan http:/ 第11页ReasonNature reasonHuman reasonRock weathering(岩石风化)Unreasonable excavated不合理开挖Unreasonable quarry不合理采石,弃土Over cutting第12页InfluenceBurst suddenly(暴发突然)FerociousGreat damageDeathTransportCrops(庄稼)economic losses(经济损失)Homeless无家可归Temporary
5、暂时Permanent永久第13页Earthquake 1.ConceptCrust地壳,vibration振动2.Area3.Reason4.influence第14页Reason and type1.Rock rupture岩石破裂Tectonic earthquake结构地震2.Volcano Volcano earthquake火山地震3.Underground caves地下岩洞 or mine roof collapseCollapse earthquake塌陷地震4.Reservoir水库蓄水,water flooding and other activitiesInduced
6、earthquake诱发地震5.Underground nuclear explosion核爆炸,explosive blasting炸药爆破Artificial earthquake人工地震第15页Video:New Zealand quake 第16页Did you experience any natural disasters or anybody around you have experienced?Wash basin脸盆Dwarf矮第17页people in the disasterI feel the pain,but feel no despair!我感到痛苦,却不绝望!我感到痛苦,却不绝望!A difficult help come from all quarters一方有难八方支援一方有难八方支援Our wills unite like a fortress众志成城众志成城第18页We are together!第19页Thank you!第20页