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Water in Ephemeral Lake Eyre, Australia – April 9th, 2011

28.1S 137.2E

April 9th, 2011 Category: Image of the day, Lakes

Australia - March 31st, 2011

Lake Eyre, a great salt lake of tectonic origin, lies asymmetrically in the south-western corner of the closed inland drainage basin in the heart of the Australian continent.

The lake, whose lowest parts lie 15.2 m below sea level, consists of two sections. Lake Eyre North, 144 km long and 77 km wide, is joined by the narrow Goyder Channel to Lake Eyre South, which is 64 km long and 24 km in width.

Not so long ago it was considered to be permanently dry, but the last forty years have witnessed some twenty flood events. At the time this image was taken, Lake Eyre South had waters of about 2 meters deep, as did Belt Bay (greenish, southwestern section) of Lake Eyre North. Madigan Gulf (pink and white, southeastern section) of Lake Eyre North had much shallower waters, of about 30 centimeters in depth.

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