flood洪水等自然灾害英文PPT

Farmland and village was flooded of Nenjiang
Look !Because of flood, I lose my home. My eyes are filled with sadness. Oh my god!
natural causes
*Flood volume（长江流域广，支流
Precautions
• 1.Pay attention to the flood warnings and prepare for it early. Improve the emphasis, actively involved in advocacy and make adequate preparations • 2.Flood is coming, you can use door, wooden bed,and so on to make water transport. • 3.If the flood comes fast,you are to late to transfer. You should immediately climb onto the roof,trees,walls or other high places ,waiting for rescue.
Thank you!
•
• waterlogged vehicle 涉水车辆 • burst banks/breach the dyke 决堤/溃堤 • release flood waters 泄洪 • flood-diversion zones 分洪区 • floods/floodwater/inundation 洪水 • freshet 河水猛涨/涨水 • historic highs 历史最高点 • water discharge 水流量/排水 • emergency waterways 应急水 道 • inflatable boats 充气艇 • rubber boats 橡皮艇 • inundate crops 淹没农田 • disaster areas 受灾地区 • flood-hit population 受灾人口
DISASTER
FLOOD
（1）CONCEPT （2）CAUSE （3）DISTRIBUTION （4）FEATURES （5）DAMAGE （6）WAYS
• Flood is a type of natural disaster which causes by water.A flood forming by lake,river,or ocean water level rising over the general water level and it will threat to the area which nearby or rain pitchforks(干草叉)for a long time and the drainage system(排水系统 )drains not in time ,floods will naissance(产生).
∴reclamation of land from the lake（围湖造田)
Typhone
Different calls
There are many calls of “Typhoon” in different places. Western North Pacific and South China Sea called "Typhoon ". Western Atlantic(大西洋), Caribbean(加勒比海), Gulf of Mexico(墨西哥湾) and the eastern North Pacific called "Hurricanes" Indian Ocean called "Cyclone ". Philippines（菲律宾） called "Baguio". Australian aborigines(土著居民) called the typhoon "Willy-Willy".
To world
• *from climatic reasons：flood
concentrates in low and middle latitudes,especially in sub tropical monsoon climate zone.洪涝集中在中低纬度地
区，尤其是亚热带季风气候区.
• •
• • •
Peak Monthes and the Landing Area
The typhoons of China mostly come from the northwestern Pacific ocean. The landing time mostly from July to November.The earlist one would land in May, while the last one ofen occurs in December. The landing area is almost throughout the entire coastal area of China,especilly in Southeast China.Guangdong is a coastal region with the highest number of typhoon, followed by Taiwan, Hainan, Fujian and Zhejiang.
（1）southeast Asia东南亚地区 （2）west Asian,north America and north Africa.西亚北美北非地区 （3）west Africa,east Africa,south Africa and Oceania西非和东非以及南部 非洲和大洋洲。
seasonality similarity universality regional destructiveness
The secondary effects are: Water supplies – Contamination of water. Clean drinking water becomes scarce. Diseases – Unhygienic(不卫生的) conditions. Spread of water-borne diseases. Crops and food supplies – Shortage of food crops can be caused due to loss of entire harvest. However, lowlands near rivers depend upon river silt deposited by floods Байду номын сангаасn order to add nutrients to the local soil. Trees – Non-tolerant species can die from suffocation(窒息). Transport - Transport links destroyed, so hard to get emergency aid to those who need it.
• frequent showers 经常性的阵雨 • rain cats and dogs 倾盆大雨 • torrential downpours/rains 暴 雨/倾盆大雨 • persistent rain 持续降雨 • rainfall 降雨 • downpour 暴雨 • monkey’s wedding 太阳雨 • storm/tempest/rainstorms 暴风 雨 • thundershower 雷阵雨 • drizzle 毛毛雨 • Office of State Flood Control and Drought Relief Headquarters 国家防汛抗旱总指 挥部 • rainstorm warning system 暴雨 警戒系统
When you are in the mountains, you must be careful not to hurt by landslides or the rolling stones. Don't eat food touched by floodwaters, or you can get sick because floodwater may contain pollutants. Improve the flood control consciousness Do a good job for flood forecasting Let the people who suffer the disaster get more money and care To help victims rebuild their homes and soothe their minds.
• from geographical conditions：
flood occurs more on both sides of the river,especially in the middle and lower reaches of the river.洪涝多发生在江河两岸，特别是河流的中下游 地区。
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。）
*Regulating storage capacity
（中游无足够调洪、滞洪场所如”湖 泊”)
*Flooding discharge capacity
（下游河道过洪能力不足）
human factor
∴cut down trees