combustion!

!

The audience's eyes widened and they all exclaimed.

Can soil also burn?

"Of course, the combustion effect is very good. You can simply understand it as earth-like charcoal. It also has other names, namely peat and peat. It is the coal with the lowest degree of coalification."

This metaphor made everyone instantly understand the burning ability of peat soil.

It turns out to be coal!

The charcoal in his hand ignited sparks. Bi Fang blew it slowly, and a small flame quickly started on the tinder. Seeing this, he did not rush to put the peat in, but grabbed a handful of loose peat soil.

"When the organic matter content in clay exceeds 10% but less than 60%, it is called peat soil. Only when it exceeds 60% can it become peat. The calorific value of soil such as mud is mostly 9.50 to 15.0 megajoules per kilogram, which is very easy to

combustion."

"This is a kind of soil formed by the accumulation of incompletely decomposed plant remains in a humid and anoxic environment. It is usually dark gray or black in appearance and has a fishy smell. Incompletely decomposed plant structures can be seen, and the body swells when soaked in water.

It is easy to disintegrate, with plant residues floating in the water, and the phenomenon of drying and shrinkage is obvious.”

The audience got closer and found tissue similar to plant roots in the soil.

"In addition to the characteristics of peat soil, peat also has the properties of loose structure, very light soil quality, and dark luster."

With so many properties, it is not difficult to identify peat soil. Coupled with the faint fishy smell, Bifang recognized it at a glance.

[However, is this thing also available in the Arctic? 】

[There aren’t many plants in the Arctic, but there are so many plant remains? 】

The audience was a little surprised, because according to Bifang, this thing should be found in tropical rainforests, where there are countless plant remains.

"So you didn't hear the prerequisites at all, right?" Bi Fang laughed, "It's completely different from what you guessed. Microorganisms in tropical rainforests are too advanced to leave plant remains, so 7% of the world's

Ten peat bogs are actually located in the Arctic, and most of them are in high latitudes. There are more peat soils in low latitudes. Let me think about it..."

"Oh, the Indonesian forests are full of peat bogs."

"But we must be careful when using peat and take good protection. Because peat soil is easy to burn and has properties similar to coal, you can imagine lighting a fire on a pile of coal."

【Holy shit, is it so scary?】

[Death or death]

[Lao Fang is really courageous]

The audience gasped, this was too scary.

"Haha, it's actually not that exaggerated. After all, the degree of coalification is very low, and it needs to be dried. There is ice and snow all around us, so just be careful and you'll be fine. I just want you to understand that it does have a certain degree of danger.

.”

As he said, Bi Fang did not choose to light a fire in the remaining mud pit. Instead, he placed a large amount of snow next to it, then filled it with ordinary frozen soil to make it into a concave shape, and threw the peat soil and flames into it.

It didn't take long for the fire to burn blazingly, emitting amazing heat, and suddenly warmed the hole.

Taking off his coat, Bifang raised his head and looked at the muskoxen above his head. He felt that it was a different kind of smoke, but the smoke was a bit strong.

"no."

Bi Fang picked up the shovel and dug to the side. He had to move the fire. He didn't want his musk meat to smell like an unpleasant dry smell.

"In many places, when forest fires break out in the summer, they are very likely to spread to peat bogs where forests grow. Not only do they increase the intensity of the fires, but they are also potential climate bombs."

“When peat bogs burn, they release carbon dioxide that has been stored for several geological epochs. When the soil begins to burn, it releases choking smoke, and this process can only be stopped with the help of bulldozers. The fire can last for months or days.

years, so the loss of peat is extremely large.”

"The carbon content in the atmosphere is 7,500 tons, and there may be 250 billion to 450 billion tons of carbon in the peat bogs in the Arctic. Once completely released, it will increase the carbon content in the atmosphere by 50%."

Bi Fang made an alarmist conclusion.

“I don’t know if you still remember the huge wildfires that broke out in the jungles of Australia and California 2 years ago. As a result, the earth lost hundreds of millions of wild animals, and many species entered an endangered state. In fact, there were also many wildfires in the Arctic at that time.

Bushfires, they just don’t get much coverage.”

"At that time, wildfire smoke rising from the ground in the Arctic created huge smoke plumes in the stratosphere, which could be clearly seen from satellites."

"It wasn't until the next day, after months of cold weather, that all the bushfires on the surface of the Arctic were extinguished, but the fires underground were still burning."

"Even near the village of Saidi, almost 400 kilometers northeast of Yakutsk in the Arctic, underground fires continued to burn in temperatures of -50°C, burning from Udarnik to Saidi, and all important resources were burned away."

"The Age of Genes"

The audience was dumbfounded. It took a year?

Isn't this too exaggerated?

"Pat fires are different from commonly seen bush fires. Because they burn quietly underground, they are extremely difficult to extinguish. Even if there is heavy snow on the ground, peat fires are still burning underground."

"Burning under the ground, there is no visible flame, and there is only a small amount of smoke, so it is difficult to detect unless the satellite detects temperature abnormalities."

"Especially this kind of fire can burn all the way to the upper part of the mineral layer and groundwater. Although it spreads slowly, only 4-5 meters per hour, it can burn dozens of meters in a day and night, but it is not easy to put out and can burn for several days.

Several months or more."

"Underground fires that occur in autumn can usually survive the winter and continue to burn until the following spring, so they are also called overwintering fires."

The audience was once again shocked by the power of nature, and it was also the first time they heard that there were fires burning underground.

[Speaking of which, what will happen if this underground fire spreads all the way to the coal?]

[Isn’t that a direct explosion? 】

Amidst the discussion of the audience, Bi Fang began to dig a hole in the ground, preparing to build a greenhouse next to it and release as much smoke as possible.

Thanks to the efforts of one person and three dogs, the progress was rapid, and it was completely dug out in one afternoon.

Bi Fang also immediately moved the flames. Although the possibility of artificially igniting the charcoal fire layer is extremely low, there is still a lot of snow covering it, and when the temperature is high, it will melt into water and extinguish the flames, but it is still better to be careful.

As a public figure, Bi Fang must try his best to convey correct knowledge and methods to the audience.

With fire and food, Bifang and Sansha squatted for three days in a row. The snowstorm and sandstorm outside finally showed signs of stopping.
Chapter completed!