Friday, February 22, 2013

Australian Lake Eyre: the world's largest seasonal Lake (Photos)

The dry Lake Eyre a silence, across the land covered with a thick layer of salt, in addition to a small number of microorganism, then there is no other creature. But as long as there is water, it will quickly recover in a few days.

Lake EyreLake Eyre

Are you thereAustraliaBoundless desert in the south, there is a special and wonderful lake, its water was sometimes not. Therefore in the geography book, the lake area is recorded as 0-9500 square kilometers. Once, an expedition first arrived here, saw a rippling lake, full of vigour...... But in second years, when the team took all kinds of instruments to return, but found that the lake has disappeared, at present only shiny salt crust and cracks in the ground, there is no sign of a life......

The lake, is a "magic Lake" of the Lake Eyre

In fact, Lake Eyre often have no water. However, when it is filled with the water, will becomeAustraliaThe largest lake, is the world's nineteenth largest lakes. However, such a scene is rare -- on average every 100 years, such a scene only happened 4 times. When the Lake Eyre dry, only a small amount of microbial survival, lifeless; but once the lake in the water, it will recover in a few days: bare lakeshore soon flowers blooming like a piece of brocade; Lake rapidly overgrown with algae and fish; a lot of birds have come to foraging......

Sometimes no lakes

Strange area: 0-9500 square kilometers

In the middle of Australia, spanning the Simpson desert. The desert and the area near the extremely dry: the average annual rainfall less than 120 mm, but the evaporation is as high as 2500 mm, it is "run behind one's expenses". In the dry season, the river flows through the desert in the process because of evaporation and seepage and huge losses, often does not flow into the South Lake Eyre, has disappeared not the least trace was found. Due to the lack of water supplement, the original lake water evaporation, so the Lake Eyre is more and more small, the lake gradually narrowed into extremely briny pond, until completely dry.

Interestingly, the Lake Eyre Lake rarely, lake water salinity is very high, often appear a kind of unbelievable scene, that is -- the lake pink. Biologists who study shows that, this wonderful pink, in fact, is a kind of microorganism. In the extreme salinity environment, microbes will produce a red pigment, pigment to absorb sunlight, and then put the whole lake turns red. There are more interesting: with the change of lake water salinity, water color will appear from pink to crimson hue change. If the lake continued to decline, so, the lake bed slowly cracked into pieces of red land, especially in the evening, the desert lakebed, the surface looks like the moon.

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