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Sandstorms have occurred all over the country, and the main reason why sandstorms cannot be thoroughly controlled is that the desertification of China's territory is too serious. It's not a day or two, and during that period of time, perhaps due to the development of heavy industry or some other industrial reasons, the environment has indeed been greatly damaged, very serious, almost irreversible. This has led to the fact that every once in a while, there will be sandstorms in some areas of our country, which cannot be avoided, but it can be reduced or the damage can be minimized.
First, we all need to understand some common sense about geography, especially environmental protection, such as the prevention of sandstorms. Everyone must have learned some relevant geographical knowledge in the compulsory education stage, but at that time, everyone understood that there must be very few people who listened to a sub-class like this, and it was even more reasonable to say that almost no one listened. After all, at that time, there was only one score for each sub-course in the high school entrance examination, and everyone always felt that it was not important.
Now that everyone has grown up, they need this knowledge, but they really don't have reserves, so they feel a headache. <>
Second, we must understand that if we want to thoroughly govern the country, this is a long-term process, and it will definitely not be solved overnight. Like this is an incurable disease, it is more difficult to solve, our country has a relatively mature response, but it is the problem of execution, this execution is not a person's execution, or a part of the executive, but the execution of the vast majority of our people, only we all understand, this problem can be completely solved. <>
To sum up, if we want to thoroughly control sandstorms, we must first have a certain knowledge reserve, and secondly, we must have the awareness of protecting the environment, we must think about living in peace with the environment, do not think about always asking for the environment, do not know how to protect the environment, and hope that everyone can work hard to protect our environment and make our living environment more comfortable.
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Dust storms are now a global problem. The determinant of dust formation is the process of the weather system, which is beyond human control. I believe that if the deserts on the earth are eliminated, the arid ecology and its flora and fauna on the earth will also be eliminated, and the arid ecology is also an indispensable part of the earth's ecological chain.
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Sandstorms are natural phenomena that cannot be completely controlled, and strong winds are the main cause of sandstorms, so as long as there is wind, there will be sandstorms.
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Sandstorms can only be prevented, and for areas with frequent sandstorms, more greening can only be done before the arrival to improve the wind blocking capacity of buildings. Dust storms are a natural phenomenon that doesn't stop them from happening.
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Personally, I think that the reason why sandstorms cannot be completely controlled is that the formation of sandstorms is inherently complex, and it is impossible to completely control multiple countries involved.
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Controlling sandstorms is a long-term and arduous process, which requires everyone to be more environmentally conscious, and concrete measures must be taken to protect them continuously.
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The main pollutants of sandstorms are sulfur dioxide, nitrogen oxides, carbon monoxide and respirable particulate matter. The primary contaminant should be inhalable particles.
The components of wind sand dust are: air pollutants mainly include gas and dust, and the main substances contained in sand and dust are solid particles; Sulfur dioxide, carbon monoxide, and nitrogen dioxide are gaseous pollutants.
The difference between dust and sandstorms.
1.The definition is different. Dust is an open source of pollution that is artificially driven by wind or other means to make the dust on the ground fly and enter the atmosphere. Sandstorm is a general term for sandstorms and dust storms, and is also a sign of desertification.
2.Horizontal visibility is not the same. Dust visibility within 1 10 km; Dust storm horizontal visibility is less than 1 km.
3.The main hazards are not the same. The main hazard of dust is air pollution and environmental impact.
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01 The root cause of sandstorms lies in land desertification. Affected by geographical location, water resources and other factors, the desert will not disappear completely, which is also a reality that human beings cannot change. In addition to the limitations of natural conditions, human factors such as land over-reclamation, artificial overgrazing, indiscriminate deforestation of forest vegetation, and industrial, mining, and transportation construction are also another cause of land desertification.
Therefore, a sandstorm is not possible.
In recent decades, the phenomenon of sandstorms in China has improved to a certain extent. But in the face of strong winds, shelterbelts cannot stop the formation of sandstorms. The root cause of sandstorms lies in desertification.
Affected by geographical location, water resources and other factors, the desert will not disappear completely, which is also a reality that human beings cannot change. In addition to the limitations of natural conditions, human factors such as land over-reclamation, artificial overgrazing, indiscriminate deforestation of forest vegetation, and industrial, mining, and transportation construction are also another cause of land desertification. Therefore, a sandstorm is not possible.
However, human beings can still control sandstorms and reduce their impact on human lives through their own actions. In order to improve or reduce dust storms, it is necessary to minimize the area of desertification.
Sandstorm defense measures.
1. Strengthen the protection of the environment and raise the protection of the environment to the level of the legal system.
2. Restore vegetation and strengthen the biological protection system to prevent wind-blown sandstorms. It is necessary to protect and restore forest and grass vegetation in accordance with the law, prevent the further expansion of land desertification, and reduce the source of sand and dust as much as possible.
3. Formulate plans for disaster prevention, disaster resistance, and disaster relief according to local conditions in different regions, actively promote various disaster reduction technologies, and build a number of demonstration projects to gradually promote them from point to area, and further improve the regional comprehensive defense system.
4. Control population growth, reduce the pressure of human factors on land, and protect the environment.
5. Strengthen the scientific popularization of the relationship between the occurrence and harm of sandstorms and human activities, so that people realize that once the environment they live in is damaged, it is difficult to recover, which not only aggravates natural disasters such as sandstorms, but also forms a vicious circle, so people should consciously protect their living environment.
6. Plant plants suitable for growth in desert arid areas, such as sea buckthorn, in desert areas to form a ground cover plant layer, so as to improve the ground cover environment, fix the soil, reduce wind speed, increase air humidity, and improve the microclimate environment.
7. Plant native varieties of low shrubs and small trees at the edge of the desert to improve the distribution of vegetation.
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In order to prevent smog in several large cities in northern China, a large number of deforestation in the Three North shelterbelts is the main cause of sandstorms. Headache heals, foot pain heals.
Mongolia has become overly desertified due to over-mining and overgrazing. And there is no plan and no economy to govern and let it develop. Therefore, when the wind carried the sand over the alpine shelter forest and invaded the North China Plateau in the northwest, there will be more in the future.
Recently, there have been sandstorms in various places, what is the cause of it, and how to deal with it?
Yesterday it was reported that there will be a sandstorm in the north to cool down.
This morning, the weather forecast said that it was a sandstorm coming from Mongolia. The sandstorm has hit Beijing. Yellow sandstorm on a slow day.
It is the whole city that is polluted by sandstorms, and extreme weather changes make the environmental pollution too serious. The air quality is poor, for the sake of physical health, everyone tries to go out as little as possible.
The wind is blowing, and if you don't want to go out, you can stay at home, there is nothing you can do.
This is nature. The yellow sand is also normal, and there are still snowstorms in some places in the northeast today. If it's not artificial, there's no way to improve it.
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01 The reason why sandstorms cannot be completely ** is that the land is desertified, which is affected by factors such as geographical location and water resources. In addition to the limitations of natural conditions, the causes of land desertification include human factors such as over-reclamation of land, artificial overgrazing, indiscriminate deforestation of forest vegetation, and construction of industrial, mining, and transportation.
02 Sandstorms can't be reduced but can be reduced through human actions to control sandstorms and reduce the impact on human life. In order to improve or reduce dust storms, it is necessary to minimize the area of desertification.
03 Afforestation can reduce the phenomenon of sandstorms, but it cannot prevent the formation of sandstorms, because the northern region belongs to the temperate monsoon climate, cold waves and strong winds are frequent, and the dust from the far northwest is carried to the air by strong winds, all the way to the east.
04 Harness the desert and improve the ecological environment. While doing a good job in economic construction, we should also pay attention to ecological construction. Every citizen should have a strong sense of distress and environmental protection, and should pay more attention to or strengthen education in this regard, so as to truly do a good job in afforestation, expand vegetation coverage, open sources and reduce expenditure, and make rational use of water resources.
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When Lin Yutang recalled the first half of the 20th century in Beiping, he wrote: "People should prepare at least once a year to deal with the windy sand ,... from the Mongolian desertThe sky will be overcast and the sun will look yellow. The dust is like a thick cloud that burrows into people's ears and nostrils, leaving mouths full of grit.
Although it has been a long time, people have different descriptions when it comes to sandstorms.
On March 15, 2021, the vast area from Kashgar in the west to Harbin in the east fell into a sea of blowing sand. The Northern Circle of Friends Photo Contest came as scheduled, and it was a sandstorm**. Why do sandstorms blow in the beautiful spring when everything grows?
The source of the dust came from southern Mongolia, which is part of a vast desert with an area of up to 1.3 million square kilometers, spanning the East Gobi Province, the Middle Gobi Province, the South Gobi Province, and the Gobi Altai Province. But Mongolia's economy is not strong enough to solve the country's environmental problems. This year, the new round of cold air from the south is very strong, blowing strong winds of 20 meters per second in Mongolia, and rolling up large and small sand and dust as it passes through the Gobi Desert.
From sand with a diameter of millimeters, dust with a diameter of less than millimeters are rolled up. Under the influence of gravity and surface buildings and vegetation, the sand with a larger diameter falls quickly, and the dust continues to invade southward with the wind, thus reaching the northern part of our country.
At present, human beings have little defense against sandstorms, and can only prevent and deal with them in advance. China has also taken a series of measures to prevent and control sandstorms.
1. Improve the level of monitoring, early warning and forecasting of sandstorms, and minimize the losses caused by sandstorm disasters.
2. Strengthen environmental governance and environmental protection. Environmental damage plays a great role in the generation of sand and dust storms, so it is particularly important to strengthen environmental governance to reduce or reduce sand and dust storms. In conjunction with the implementation of the strategy of large-scale development of the western region, starting in 2000, the state will build new projects in the western region"Top 10 projects"One of them is the return of farmland to forests (grasslands) and ecological construction in the central and western regions.
3. Strengthen the "Law on Desertification Prevention and Control", "Forest Law", "Land Law" and other legal popularization and education work, and strive to raise the public's awareness of environmental protection. Adhere to the ecological protection and construction policy of "prevention first, protection first, and equal emphasis on prevention and control", and focus on doing a good job in sandstorm shelter forests, soil and water conservation, and ecological and environmental protection.
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China's prevention and control measures have established a sandstorm warning system, strengthen environmental governance and protection, sandstorms come fiercely, the wind howls, the dust rolls, obscure the sky, early prevention can better avoid losses, so China has established 12 sandstorm long-term observation stations, the formation of a national monitoring network. At the same time, China has returned farmland to forests and grasslands, and restored the ecology in order to curb the occurrence of sandstorms.
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Increase forest cover and combat deforestation. The occurrence of sandstorms is because the forest area is getting smaller and smaller, in the early days of liberation, people's indiscriminate felling led to the ravages of sandstorms today, only by increasing the forest coverage area can the damage of sandstorms be reduced.
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Afforestation, artificial greening, climate regulation, artificial rainfall, index personnel recruitment plan. For the phenomenon of sand and dust storms, we have already put in place corresponding measures to deal with them.
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At present, there are some very effective management methods in China, such as increasing the planting of forestry, expanding the scope of green vegetation, and there is also an ant forest, so many trees planted every year can play a very effective role in preventing wind and fixing sand.
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At present, the prevention and control measures taken by China in response to the ravages of sandstorms are mainly the construction of the Three-North Shelterbelt, weakening the power of sandstorms, strengthening desertification control, and reducing the area of desertification. In addition, in the northern region, the work of returning farmland to forests and grasslands has been carried out.
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For example, to rectify desertified land, large-scale afforestation, such as the three-north shelter forest, to control soil erosion on the Loess Plateau, to prohibit indiscriminate cutting and punishment, and unreasonable grazing, it is necessary to study in depth the mechanism of the occurrence and development of sandstorms, improve and improve the monitoring methods of sandstorms, improve the level of monitoring, early warning and forecasting of sandstorms, and reduce the losses caused by sandstorm disasters.
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Establish an ecological barrier in the vicinity of Beijing and Tianjin in the north of Beijing, focusing on afforestation;
In the central and western regions of Inner Mongolia, Hunshandak will promote an ecological protection belt centered on returning farmland to forests. Resolutely implement the return of farmland to forest and grassland, strictly prohibit overgrazing, focus on restoring and protecting grassland resources, and appropriately build windbreaks;
In the Hetao area and desertified land areas, the protection of water resources and natural oases should be the center, the expansion of desertified land should be controlled, natural oases should be preserved, and plantations should be gradually expanded.
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