The discovery and use of fire has influenced the history of the entire human civilization. Fire has long been viewed as a symbol of power and change. And this is not a mistake. A lot can be done through the controlled use of fire. But when this fire goes out of control, its true form is seen. That turned into a horrible monster.
There have been some horrific fires in our country recently. It is possible to control the fire and minimize the damage by taking appropriate measures and immediate measures in any fire. But the fire is such a phenomenon that it is almost impossible to control it once it has spread, and its duration and duration are much longer. As a result, the level of harm is also very high more then we think.
The onset of fires usually begins with dry forests or shrubs. It is only a matter of time to spread the fire around in a place like this and if something is mixed up,
Naturally, there are usually two ways to start a fire; (1) If there is lightning on a dry forest, (2) from a volcano lava or burning fragments of various substances. It can then spread according to the environment and the situation are uncontrolled .
However, in the recent past, man-made causes are more frequent. It is estimated that fire is caused by various man-made causes in about 5% of the cases at present. How many of the man-made causes that exist, do not belong. However, some factors can be identified. Ex:
- If the flame falls on a dry grass leaf or tree during the fire, it may start from the fire.
- Unlawful use of lighters or lampshades. When children have a lighter on hand or lamp, they can start playing with it. Again, accidents that can be caused by malpractices by adults.
- A cigarette’s burning butt. Many people threw away the cigarette residue without smoking. This has led to many major fires in history. It may also be the cause of the fire.
- The campfire. Many stay in tents for adventure in the forests and fire in front of the tent using dry wood or wood (campfire). If these fires are not properly extinguished the fire can start.
(4) Some grassy plants may be located in or near the railway line. If they are dried in extreme heat, they can easily be set on fire. In this case, the onset of the fire may be due to the friction caused by the friction of the line with the wheels during the train.
(3) If someone throws a glass of glass, bottle or anything like this in an area full of dry grass along the road, that could be the cause of the catastrophic disaster. Sunlight can be specially transmitted through the glass and set on fire, and a seemingly trivial phenomenon can bring about great disaster.
(3) The amount of agricultural land is not increasing in line with population growth. Therefore, the way to increase agricultural land is to destroy forest land. In many parts of the world, the forest area of a particular area is burned with fire to make this work easier. It is not uncommon for a fire to start when he goes out of control.
(3) Deliberate firing. Although unusual to hear, this is considered one of the main causes of fire. It is sometimes thought that some people intentionally started the fire. One of the many reasons for this can be to deliberately lose money from an insurance company.
In addition to these there may be numerous other human-caused reasons that we may not even think about naturally.
Fire can be considered as a catastrophic disaster rather than a flood or tornado. Because they can be predicted, and if they are aware, the disadvantages of these disasters can be minimized. But these are not the case for fire. Trying to describe the fires with the words ‘overwhelming’ and ‘omnipotent’ can be tried. There is no way to stop it, and the region it crosses, there is literally nothing left.
Some efforts were made to minimize the impact of fires. For example, where the fire is moving, some of the plants and shrubs in the area are deliberately and systematically burned so that the flames do not go as far. Again, if fires are suspected to spread in the city, an attempt is made to reduce the severity of the fire by throwing firefighters or fire retardant chemicals in its path. These chemicals react with plants or other fuels to reduce their inflammation.
However, due to the huge size and energy of the fire, these efforts are very weak and inefficient. This effort can slow down or not stop the burning of the fire. People have to wait helplessly when the disaster naturally stops. Many may think that the fire may come to a stop on the banks of a river or reservoir. This idea is not perfect, the fire has a strange ability to obstruct a huge obstacle like a river!
When there is intense fire on one side of the river, the air from there lightens up and rises upward. At the time of ascension, they carry various combustible materials, including ash, leaves, stalks, pieces of paper or anything else. When they fall on the other side of the river, new fires may begin there.
How much do we understand the fire?
In order to minimize the extent of damage to any disaster, it is necessary to understand its nature. Over the past decade, a number of fires have occurred in large quantities in different countries of the world. Of these, the California fire that lasted from the mid-20s to the end was one of the most memorable disasters and one of the largest fires in California history. In California that year, there were more than eight and a half bushfire cases, and eventually they were combined in several different sizes. As a result, the US government has had to fight the disaster for almost a whole year.
These fires spread over an area of about 3 square kilometers. About 6 people were killed, and the casualties accounted for over $ 5.5 billion initially. How helpless are people to disaster in this age of sophisticated technology; Especially when disaster struck.
Such events have shaken the tone of the government and research institutions of different countries. Over the past decade, the amount of research and investment on fire has increased. At present, various public-private organizations are trying to create scientific models or software for fire. At the same time, efforts are being made to integrate satellite technology and artificial intelligence with these models. A significant aspect of these models is that they can be used to predict fires, estimate the rate and direction of the fires when they start, and foresee their stability and potential damage in advance. However, such a model will not be fully effective. Because, the information that must be provided as input in this model is very variable and any minor change can make the whole event flow to a different area.
Researchers have learned about a few influencers while researching the environment for fires. For example, the presence of high temperatures, relatively low humidity, thunderstorms, droughts, and large amounts of old and dry forests for a long time increases the risk of burning in an area.
Again, once the fire is made it is difficult to predict where it will expand. There is no guarantee that he will always spread towards the wind, the opposite can also happen. Again, there is also a precedent for rapid fire spreading without the presence of stormy winds.
The natural feature of a fire is that, when it is large in size, it creates an atmosphere around it so that the fire can spread easily. For example, the heat generated by the combustion can increase the inflammation of the substances in the surrounding environment, thus easily catching fire.
Again, the light where the fire is burning, lightens the air, that is, reducing the concentration and sending it upwards. Therefore, the air from the surrounding area is filling the void and carrying oxygen at the same time, which is helping to ignite the fire. Again this air flow is also helping to spread the fire. Thus, the process continues in a cycle and the fire continues to grow.
Much research is being done on how fire is spread over a large range, as well as how small fires spread from one tree to another and how to prevent it. Naturally, it may seem that plants with green and shrubs are less combustible than older and dry plants. But in reality, some plants of pine and evergreen varieties serve as good fuel, even when not dry. Because they have a special oil stored in their trunks, which in turn makes them more flammable. However, green plants can only play a role in the spread of fires, not the start of fires.
Global warming and climate change are also frequently contributing to the occurrence of fire. Even the slightest increase in temperature can play a role in the humidity and dryness of forests in different regions. As well as the temperature itself. In addition, fires may spread faster in mountainous areas than in the plains. The search is underway for more influencers.
Fires and ecosystems
Naturally, fire is part of the natural balance. But how? In many ways, that can happen. Suppose the entire forest area in a region is mostly old plants. We know that the life expectancy of large plants is fairly high. That is, most plants in such a forest may be a few hundred years old. When those plants are burned as a result of the fire, they have the opportunity to grow new trees.
Those new plants adapt more to the changing environment than the hundreds of years old plants. They can adapt to the changing environment in these few hundred years, their immune system is very high, they can grow and breed flowers to survive in a relatively hostile environment. That is, they are more qualified to survive in a changing and polluted environment.
In addition, when a forest is built on a land for many years, it is covered with branches and leaves of large plants on the ground. As a result, the soil and the small plants on the ground do not get enough sunlight to grow. The prolonged process of this process can result in the loss of soil quality. So after the fires, the soil gets enough sunlight and a small variety of plants grow there. As a result, soil fertility returns. It also causes the death of insect pests that are harmful to a forest or overly large in number. As a result, the balance of the ecosystem is protected and new stronger ecosystems are formed. As a result of this new forest is created, the risk of fire is very low.
There is really no way to stop the fire; There is no way to prevent this from taking away the people and valuables of the affected area. However, since most people are responsible for the fire, it is best to prevent it by raising awareness.
Time will tell if it will be possible for humans to control the fires in the future. However, if a model can be developed in the days ahead to predict the probability of a fire occurrence and its nature, then mitigation may be greatly reduced by taking appropriate measures in time. Although this task may seem seemingly daunting, human efforts are not halted.