Why the meteorite lake in India drastically changed its color?
Source:Indian Lonar lake changed its color over night.
About 5,000 years ago on the territory of modern India, a meteorite fell and left behind a fairly wide and deep recess. Later on this place formed a perfectly round lake, which was long the name of Lonar. For many years, tourists from around the world with special interest to visit this place, because the water regularly changes its color from blue to pink and back. In 2020, the lake changed its color in just one night is, according to frequent visitors to unusual places, an absolute record. But why is a meteor lake, so often change and what caused such a dramatic change?
Meteor lake
Diameter located 500 kilometers from the Indian city of Mumbai Lonar lake is 1,800 meters and reaches a depth of 132 meters. The water in the lake do from time to time changes color and it looks amazing. But in the Indian lake there is something disgusting water depletes the pungent smell of foul water. But a horrible stench does not scare the tourists and this place is their favorite place. In 2020, the lake has attracted even more attention because the water in it turned from blue to pink in just one night.
The Reason for changing the color of the water scientists have known for a long time. According to research , at the bottom of the lake grow different types of algae. Most of them are sensitive to increase and decrease the air temperature by changing color. In cold periods, the lake shimmers with a bluish color, and on warm days it becomes red. Changes occur often, but this year the change of colors is particularly active.
it looks like the lake Lonar
According to biologists, the occurrence of this phenomenon could provoke several factors. First, at the moment in India remains the hot weather. In mid-June, even in the city, even at night 27-degree heat. And warm weather, as mentioned above, growing in the lake algae just tend to be painted in red color.
There are many varieties of red algae, but most of them grow only in salty waters
In Addition to this, in warm weather, the water level in the lake is markedly reduced, which leads to increased salinity. A sharp change in the composition of the water is also likely to accelerate the rate of change of the shade of water in meteorite lake. However, to make more accurate conclusions and do not throw assumptions, you must carefully examine the composition of the liquid. Biologists have already taken it.
According to Professor Suryawati Madan (Madan Suryavashi), an unusually rapid change in the color of the water could trigger a pandemic and coronavirus. As in many other countries due to quarantine in India were closed factories, cafés and other businesses. Due to the reduction of harmful emissions, nature literally began to recover — this was in early April, my colleague Love Sokovikova.
Types of algae
Due to the fact that the water in the lake meteorite contains a lot of salt, it is logical to assume that in it grow the so-called red algae or vagrancy (Rhodophyta). They primarily grow in salt waters, and at the moment there are about 10,000 varieties of these plants. They can grow in fresh water, but these types are very few — if you believe the scientific literature, at the moment, biologists have described only about 200 varieties.
They are considered relatively safe for humans and animals — in some countries they are even eaten. Only here there is algae from lake meteorite is unlikely someone will be, because the water is clearly no accident emits a horrible smell. And so, red algae,extracted from the bottom clean seas, widely used in medicine. Also, one substance is made of agar-agar is a great substitute for gelatin plant-based.
Blue-green algae also known as cyanobacteria
Perhaps the meteor in the lake also grow blue-green algae, but they are for the health of living organisms can be very dangerous. In the past year due to these plants in the United States killed at least four dogs — they just swam in the water and died a few hours later. Essentially this algae is a bacteria that when ingested living organisms cause nausea and serious liver problems. From 2009 to 2010 from these plants are affected about 60 people. Read more about the dangers of blue-green algae can be read .
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