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Avalanches are the most terrible. Because avalanches are more harmful and powerful, it is difficult to find an escape opportunity in the event of a natural disaster such as an avalanche.
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I think avalanches, in fact, this kind of natural disaster is the most terrible, because when an avalanche appears, no snowflake is innocent, and then no one can escape the avalanche.
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I think mudslides are more terrible because they occur more often, and they are very susceptible to environmental impacts and are more harmful.
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In the past two days, everyone should have a general understanding of the situation of the compatriots in Zhengzhou, who were affected by the heavy rain. <>
Everyone knows that flooding not only causes damage to people's property, but can also easily cause flash floods in mountainous areas.
Disaster. <>
The cause of flash floods is that one terrain is not drained in time, and then all the rainwater accumulates and then pours down together, thus washing away the houses and fertile fields below the mountain. <>
There is also a natural disaster.
It can be compared to a flash flood, which is a mudslide.
Like flash floods, most of them occur in mountainous areas, and they are formed by a large amount of mud, rocks and other loose objects, and of course, a certain amount of water falling down the hillside and forming a mudslide.
The difference between them is that flash floods damage a wider area, while mudslides only cause damage to the area below where the mudslide slides, but both natural disasters are unpopular and can cause harm to our property and lives.
The occurrence of flash floods may also give the victims a chance to escape, but once the mudslide occurs, it is difficult for the buried victims to escape, and no one is special in the face of the disaster.
However, I believe that no matter what time it is, the hearts of the people of our country are always concerned, and no matter how big the disaster is, the people of all parts of the country will definitely extend their helping hand, even if it is only a small force, but the strength of the number of people is great, and we do not care how small the helping hand is, but when this helping hand is formed, it will form a huge force, and this power will bring hope to each of us who has been affected by the disaster.
No matter how big the disaster is, when all of us unite and unite as one, we will be able to overcome difficulties and move towards a new future together.
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The difference is that flash floods are a little smaller than mudslides, which are devastating blows that can instantly submerge a person, while flash floods are a little longer and slower.
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First of all, there are certain differences in the reasons for the formation, and secondly, there is a gap in the topography, and the harm caused is not the same, the cover of the forest on the ground is also completely different, and the harm to people is also different.
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A mudslide is a flood that is particularly large and will slope downward, and a flash flood is a particularly small flood.
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The sediment content is different, the density is different, the flow state is different, the destructive power is different, the lethality is different, and the mudslide is terrible.
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Mudslides are natural disasters. Debris flow is a disaster caused by a special torrent that contains a large number of solid debris materials such as sediment and stones in a mountainous valley triggered by heavy rainfall, a large amount of ice and snow meltwater, or rapid surface runoff after the collapse of rivers, lakes and reservoirs, and has a strong impact and destructive effect.
[Legal basis].Circular of the General Office on Printing and Distributing the National Emergency Plan for Natural Disaster Relief
This plan is applicable to the national emergency relief work in the event of natural disasters within the territory of China.
When a major natural disaster occurs in a neighboring country and has a major impact on China, Shirt Xiang carries out domestic emergency rescue work in accordance with this plan.
In the event of other types of emergencies, emergency rescue work can be carried out with reference to this plan as needed.
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On September 10, 2008, a mudslide occurred in Xinta Mining in Linfen, Shanxi Province, killing 128 people.
On November 5, 2008, the landslide disaster in Yunnan Province has caused 40 deaths and 43 missing, and the infrastructure of electricity, transportation, water conservancy, and communications has been damaged to varying degrees.
On October 3 and 4, 2012, heavy rain fell in Yiliang County, Zhaotong City, Yunnan Province, and at around 9:20 this morning, a mudslide disaster occurred in a primary school in Longhai Township, Zhaotong City, Yunnan Province, causing 18 students to be buried.
In the early morning of July 31, 2012, a mudslide occurred in the town of Ajeletobe in Xinyuan County. According to the preliminary verification of the Suishan Farm, 28 people may be missing due to the muddy rockflow.
At 22:25 on July 9, 2012, the Hanzhong Municipal Prevention Office reported that four people were missing and one was injured due to landslides and mudslides in Fa Town and Hongmiao Town in Nanzheng County.
Too much.
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The most serious one: the Zhouqu mudslide.
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Landslides, avalanches and debris flows are the main geological disasters in mountainous areas. They often cause huge losses to industrial and agricultural production as well as to people's lives and property, and in some cases even to devastating disasters.
The main hazards of landslides and collapses to rural areas are the destruction of farmland, houses, injury to people and livestock, destruction of forests, roads, agricultural machinery and facilities, water conservancy and hydropower facilities, etc., and sometimes even cause devastating disasters to rural areas.
Landslides, collapses located near towns.
They often bury houses, people and animals, destroy fields, destroy factories, schools, government agencies, etc., and destroy various facilities, causing power outages, water outages, work stoppages, and sometimes even entire towns.
Landslides and collapses in industrial and mining areas can destroy mining facilities, destroy factory buildings, and stop work and production, often causing heavy losses.
In addition to the main hazards caused to human beings in the above-mentioned aspects, collapses and landslides have also caused great economic harm to water conservancy and hydropower projects, highways, railways, river transportation and marine projects. In addition to directly endangering human beings, some secondary disasters often occur and indirectly endanger human beings.
Debris flows are often characterized by sudden, ferocious and rapid onset. It also has the dual effects of collapse, landslide and flood damage, and its harm degree is often more extensive and serious than that of a single landslide, collapse and flood. Its harm to human beings is manifested in the following four aspects:
1. Harm to residential areas: One of the most common hazards of debris flow into villages and towns, destroying houses, factories, enterprises and institutions and other places and facilities, drowning people and livestock, destroying land, and even causing disasters such as village destruction and death.
2. Hazards to highways and railways: debris flows can directly bury stations, railways, highways, destroy roadbeds, bridges and culverts and other facilities, resulting in traffic interruption, and can also cause and overturn trains and automobiles that are running, causing major personal accidents. Sometimes, debris flows flow into rivers, causing large changes in river channels, indirectly destroying roads, railways and other structures, and even forcing roads to be rerouted, resulting in huge economic losses.
3. Hazards to water conservancy and hydropower projects: mainly washing out hydropower stations, water diversion channels and ditch buildings, burying the tail water channels of hydropower stations, silting up reservoirs, and abrasion dam surfaces.
4. Harm to the mine: mainly destroy the mine and its facilities, bury the mine tunnel, injure the mine personnel, cause the shutdown of production, and even make the mine scrapped.
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The main natural causes of debris flows:
1. Topography. The mountain is high and the ditch is deep, the terrain is steep, the longitudinal drop of the gully bed is large, and the landform in the shape of a flowing city is easy to collect water.
2. Loose substances. In areas with strong neotectonic activity and high intensity, surface rock fragmentation, collapse, staggering, and landslides provide abundant solid materials for the formation of debris flows, and areas with loose rock structures, weak rock formations, easy weathering, joint development, or soft and hard layered areas can also provide rich debris for debris flows because they are vulnerable to damage.
3. Water source. Ice and snow melt, reservoir (pool) outburst, heavy rainfall, continuous rainfall for a long time, etc.
Extension: Mudslide refers to a special torrent of landslides caused by heavy rain, heavy snow or other natural disasters in mountainous areas or other ravines and areas with steep terrain and carrying a large amount of sediment and stones. Debris flow has the characteristics of suddenness, fast flow rate, large flow rate, large material capacity and strong destructive power.
Mudslides often wash away transportation facilities such as roads, railways, and even villages and towns, causing huge losses.
Debris flow is a torrent formed by heavy rain and flood to saturate and dilute the soft soil mountain containing sand and gravel, and its area, volume and flow are large, while landslide is a small area of diluted soil mountain, and the typical debris flow is composed of thick mud suspended with coarse solid debris and rich in silt and clay. Under the right topographic conditions, a large number of water bodies are soaked with flowing water.
Solid accumulation in the hillside or ditch bed reduces its stability, and the solid accumulation material saturated with water moves under its own gravity, forming a debris flow. Mudslides are a catastrophic geological phenomenon. Usually mudslides erupt suddenly, violently and can carry huge boulders.
Because of its high speed and powerful energy, the judgment is extremely destructive.
Man-made causes of mudslides:
1. Unreasonable mining and excavation damage the surface. Indiscriminate deforestation leads to loss of vegetation and soil erosion.
2. Unreasonable human activities such as deforestation, mining, quarrying and slag disposal often provide a large amount of material for debris flows.
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Debris flow refers to a special debris flow caused by landslides caused by heavy rain, heavy snow, or other natural disasters in mountainous areas or other deep ravines and steep terrain. The factors that influence the formation of debris flows are many and complex. They include lithology and structure, landforms, soil and vegetation, hydrological conditions, climate and trembling, and rainfall.
Since debris flow is a fluid body composed of mud, sand, lead stone and water, which is transported (flowed) along a certain ditch bed, its formation must meet three conditions, namely water body, solid debris and a certain slope terrain and channel, all three of which are indispensable.
Water bodies mainly come from heavy rainfall, reservoir bursts, melting snow and ice, etc. Solid waste comes from landslides, landslides, rock peeling, soil erosion, ancient mudslide accumulation, and human economic activities such as deforestation, mining, and road construction. The topographic conditions are the large elevation differences and steep slope valley terrain formed by long-term geological tectonic movements in nature.
Deforestation and reclamation will cause the disappearance of vegetation, the loss of mountain protection, loose soil, and the development of ravines, which greatly aggravates soil erosion, and then destroys the stability of the mountain, and develops adverse geological phenomena such as collapse and landslide, resulting in debris flows.
Unreasonable excavation of railways, highways, canals and other projects. Some landslides are caused by the construction of roads, canals, railways and other construction activities that damage the surface of the mountain. For example, the old trunk ditch of the Dongchuan-Kunming highway in Yunnan Province was damaged due to the construction of roads and canals, and the rhinoceros mountain in 1966 formed a landslide and landslide, resulting in a more serious debris flow.
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Because the soil of the mountain is loose and there is a great loss of water and soil, some mudslides will occur.
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Because the mountain has been eroded by heavy rainfall, and the mountain has a lot of miscellaneous rocks, if it occurs, it is more likely to have a mudslide.
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Mudslides occur because surface water washes away the mountain all the time, causing the mountain solids to loosen.
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This is because if it rains a lot, the drawings are relatively soft, and if it rains all the time, it will cause a large area of soil to flow down with rainwater.
Natural disasters such as mudslides and landslides generally occur in mountainous or hilly areas. In the case of heavy rain, the soil and rocks of the mountain are soft, and the rainwater accumulates a large amount of mud and rocks, forming a powerful mudslide, which causes great damage to people, crops and various buildings, and is very dangerous. It can destroy bridges and roads, flood crops and houses, and can also block rivers and create floods, so you need to be prepared for heavy rains in mountainous areas. >>>More
Because there is no large amount of water at the ridge in a short period of time, mudslides cannot be formed. In addition, the dense contour line indicates that the slope is steep.
Personally, I think that the feather duster has the best effect on ash removal, because the ash of the Kaka corner can be removed with a feather duster, butBroomYou can't get rid of the dust in the corner. The most commonly used in my house is a feather duster, usually when doing a small hygiene, I will use it to sweep the dust of the corner of the Kaka, and it is also very convenient to use a feather duster, even if it is a small gap under the TV cabinet, I can also put the feather duster into it to clean the dust below. In addition to this, even the feather duster is easy to clean, better to dry, usually used, spray it with a nozzle, and then shake the water with your hands, and take it to the balcony for a while to dry. >>>More
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