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A French team of scientists have been working on a solution for limnic eruptions. They found one that works slowly. It's called degassing the lake. So they put a pipe at the bottom of the lake with one end over the surface. They pump the water through and the carbon dioxide turns into bubbles. When the bubbles get to the end of the pipe above the water it goes into the air at a safe rate instead of it all coming out at once.
There is only one lake with a major risk of a limnic eruption. That lake is Lake Kivu in Africa. The water is very very high in carbon dioxide. If there is a limnic eruption there over 2 million people will be killed. These people live on the shores.
Limnic eruption diagram
Lake Monoun
Scientists believe that a limnic eruption killed a portion of the dinosaurs.
A limnic eruption is pretty much a death fog.
There were actually survivors in the 1984 and 1986 cases
Limnic eruptions suffocate people and animals. They can cause small tsunamis which flatten and destroy crops. When you're in a Limnic eruption your skin can change colour due to hydrogen chloride. You can get blisters caused by pressure ulcers. You can also get frostbite due to there being no heat in the cloud.
Lake Nyos
So once your carbon dioxide bubble or bubbles are built up you need a trigger. An earthquake or a landslide. Anything that shakes up the lake or just some heavy wind or rain. So then the limnic eruption enters the eruption phase.
https://en.wikipedia.org/wiki/Limnic_eruption
http://mivo-sys.tripod.com/limnic.html
http://www.design4disaster.org/disasters-2/natural-disasters/limnic-eruption/
http://the-earth-story.com/post/93489913029/limnic-eruptions-limnic-eruptions-also-known-as-a
http://www.enterrasolutions.com/2010/10/lake-kivu-exploiting-one-of-africas-exploding-lakes.html
There have only been 2 historically recorded limnic eruptions. The first one happened in Lake Monoun on August 15 1984. It killed 37 people and uncounted animals. The cloud was 3 meters high. The second one was at Lake Nyos in Cameroon on August 12 1986. It killed 1700-1800 people and 300 livestock.
The lakes that erupt are usually volcanic. There's a magma chamber underneath the lake that is leaking carbon dioxide through fractured rock. There's 1 or multiple carbon dioxide bubbles at the bottom of the lake. Something disturbs it and it rises and explodes over the lake. It turns into a cloud that suffocates people and animals.
To understand a limnic eruption you need to know what it is first. A limnic eruption is where dissolved carbon dioxide erupts from deep lake water. It suffocates anything that breathes air. The more you breathe the worse it gets.
Not many people know what a limnic eruption is. It is rare and weird. I didn't even know what it was before this project. Now that I'm a somewhat expert I will teach you about a limnic eruption.