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Floods and droughts are two very common natural disasters
Flood can be divided into rivers and lakes flooding. Lake floods and storms floods, etc. According to different causes of river flood, and can be divided into three types: heavy rains and flooding and mudslides, snowmelt floods, ice flood dam and flooding. The biggest influence, the most common is the river floods, especially the flood caused by heavy river basin in long river water caused by high dam burst of regional development, and even cause damage of death
Because of drought or harsh climate refers to the normal drought and formation of meteorological disasters. Generally, by means of soil moisture balance moisture damage crops crop production and thus to bring food or famine, or even cause. At the same time, drought or make humans and animals due to lack of sufficient water and death.
In addition, after the drought prone locusts, causing more serious famine, cause social unrest。
洪涝与旱灾是两种很常见的自然灾害
洪涝可分为河流洪水.湖泊湖泊洪水和风暴洪水等。其中河流洪水依照成因不同，又可分为以下几种类型：暴雨洪水、山洪、融雪洪水、冰凌洪水和溃坝洪水。影响最大、最常见的洪涝是河流洪水，尤其是流域内长时间暴雨造成河流水位居高不下而引发堤坝决口，对地区发展损害最大，甚至会造成大量人口死亡
旱灾指因气候严酷或不正常的干旱而形成的气象灾害。一般指因土壤水分不足，农作物水分平衡遭到破坏而减产或歉收从而带来粮食问题，甚至引发饥荒。同时，旱灾亦可令人类及动物因缺乏足够的饮用水而致死。
此外，旱灾后则容易发生蝗灾，进而引发更严重的饥荒，导致社会动荡
Ozone effect on impact
(1) protection
The ozone layer can absorb light wavelengths of 300 microns, main part is the uv ultraviolet (mw) wavelength 290-300 microns, and all the shortwave uv wavelength (290 microns), protect "the human being on the earth, and plants from shortwave ultraviolet harm. So the ozone layer is a YuZhouFu protect earth creatures survive.
(2) heating
Ozone absorb ultraviolet rays in sunlight and convert to heat heating atmosphere, because this role in atmospheric temperature structure around 50km height has a peak, the earth warming 50km 15 ~ exist.
Because there is the existence of ozone stratosphere. Atmospheric temperature for atmospheric circulation structure has an important influence, the causes of this phenomenon from the height of ozone.
(3) greenhouse gases
In the upper troposphere and stratosphere bottom, ozone effect also is very important. If this height, it will reduce the temperature drops to the ground. Therefore, ozone height distribution and change is extremely important.
臭氧的作用与影响
（1）保护作用
臭氧层能够吸收太阳光中波长300微米以下的紫外线，主要是一部分中波紫外线(波长290～300微米)和全部的短波紫外线(波长＜290微米），保护地球上的人类和动植物免遭短波紫外线的伤害。所以臭氧层犹如一件宇宙服保护地球上的生物得以生存繁衍。
（2）加热作用
臭氧吸收太阳光中的紫外线并将其转换为热能加热大气，由于这种作用大气温度结构在高度50km左右有一个峰，地球上空15～50km存在着升温层。
正是由于存在着臭氧才有平流层的存在。大气的温度结构对于大气的循环具有重要的影响，这一现象的起因也来自臭氧的高度分布。
（3）温室气体作用
在对流层上部和平流层底部，臭氧的作用同样非常重要。如果这一高度的臭氧减少，则会产生使地面气温下降的动力。因此，臭氧的高度分布及变化是极其重要的。
网上找来的资料整理过的
Flood can be divided into rivers and lakes flooding. Lake floods and storms floods, etc. According to different causes of river flood, and can be divided into three types: heavy rains and flooding and mudslides, snowmelt floods, ice flood dam and flooding. The biggest influence, the most common is the river floods, especially the flood caused by heavy river basin in long river water caused by high dam burst of regional development, and even cause damage of death
Because of drought or harsh climate refers to the normal drought and formation of meteorological disasters. Generally, by means of soil moisture balance moisture damage crops crop production and thus to bring food or famine, or even cause. At the same time, drought or make humans and animals due to lack of sufficient water and death.
In addition, after the drought prone locusts, causing more serious famine, cause social unrest。
洪涝与旱灾是两种很常见的自然灾害
洪涝可分为河流洪水.湖泊湖泊洪水和风暴洪水等。其中河流洪水依照成因不同，又可分为以下几种类型：暴雨洪水、山洪、融雪洪水、冰凌洪水和溃坝洪水。影响最大、最常见的洪涝是河流洪水，尤其是流域内长时间暴雨造成河流水位居高不下而引发堤坝决口，对地区发展损害最大，甚至会造成大量人口死亡
旱灾指因气候严酷或不正常的干旱而形成的气象灾害。一般指因土壤水分不足，农作物水分平衡遭到破坏而减产或歉收从而带来粮食问题，甚至引发饥荒。同时，旱灾亦可令人类及动物因缺乏足够的饮用水而致死。
此外，旱灾后则容易发生蝗灾，进而引发更严重的饥荒，导致社会动荡
Ozone effect on impact
(1) protection
The ozone layer can absorb light wavelengths of 300 microns, main part is the uv ultraviolet (mw) wavelength 290-300 microns, and all the shortwave uv wavelength (290 microns), protect "the human being on the earth, and plants from shortwave ultraviolet harm. So the ozone layer is a YuZhouFu protect earth creatures survive.
(2) heating
Ozone absorb ultraviolet rays in sunlight and convert to heat heating atmosphere, because this role in atmospheric temperature structure around 50km height has a peak, the earth warming 50km 15 ~ exist.
Because there is the existence of ozone stratosphere. Atmospheric temperature for atmospheric circulation structure has an important influence, the causes of this phenomenon from the height of ozone.
(3) greenhouse gases
In the upper troposphere and stratosphere bottom, ozone effect also is very important. If this height, it will reduce the temperature drops to the ground. Therefore, ozone height distribution and change is extremely important.
臭氧的作用与影响
（1）保护作用
臭氧层能够吸收太阳光中波长300微米以下的紫外线，主要是一部分中波紫外线(波长290～300微米)和全部的短波紫外线(波长＜290微米），保护地球上的人类和动植物免遭短波紫外线的伤害。所以臭氧层犹如一件宇宙服保护地球上的生物得以生存繁衍。
（2）加热作用
臭氧吸收太阳光中的紫外线并将其转换为热能加热大气，由于这种作用大气温度结构在高度50km左右有一个峰，地球上空15～50km存在着升温层。
正是由于存在着臭氧才有平流层的存在。大气的温度结构对于大气的循环具有重要的影响，这一现象的起因也来自臭氧的高度分布。
（3）温室气体作用
在对流层上部和平流层底部，臭氧的作用同样非常重要。如果这一高度的臭氧减少，则会产生使地面气温下降的动力。因此，臭氧的高度分布及变化是极其重要的。
网上找来的资料整理过的
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