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Channel Country Rivers, Simpson Desert and Lake Eyre, Australia

26S 137.2E

April 5th, 2012 Category: Deserts, Lakes, Rivers

Australia - April 4th, 2012

This images stretches across Australia’s Channel Country to the bright red sands of the Simpson Desert (left edge, above) and the white salt flats by Lake Eyre (lower left quadrant). Channel Country gets its name from the numerous intertwined rivulets that cross the region, which cover 150,000 km².

The region is located mostly in the state of Queensland but also in portions of South Australia, Northern Territory and New South Wales. It features an arid landscape with a series of ancient flood plains from rivers which only flow intermittently. The principal rivers are Georgina River, Cooper Creek and the Diamantina River. When there is sufficient rainfall in their catchment area these rivers flow into Lake Eyre, South Australia.

Red Simpson Desert Sands and Channel Country, Australia – January 23rd, 2012

25.4S 138.2E

January 23rd, 2012 Category: Deserts, Image of the day, Lakes, Rivers

Australia - December 30th, 2011

The large, orange-red expanse in the upper left quadrant of this image is the Simpson Desert, a large area of dry, red sandy plain and dunes in Northern Territory, South Australia and Queensland in central Australia. It is the fourth largest Australian desert, with an area of 176,500 km² (68,100 sq mi).

Visible east of the desert is Australia’s Channel Country, a region of outback Australia located mostly in the state of Queensland but also in portions of South Australia, Northern Territory and New South Wales. The Channel Country features an arid landscape with a series of ancient flood plains from rivers which only flow intermittently. The numerous intertwined rivulets that cross the region cover 150,000 km². The principal rivers are Georgina River, Cooper Creek and the Diamantina River.

When there is sufficient rainfall in their catchment area these rivers flow into Lake Eyre, South Australia. Here, the land around the rivulets appears brown, indicating little water flowing through them and causing green vegetation to flourish, and Lake Eyre is mostly white, indicating that water has dried up and left salt flats exposed.

Simpson Desert, Channel Country and Lake Eyre, Australia – December 8th, 2011

25.4S 138.2E

December 8th, 2011 Category: Deserts, Image of the day, Lakes, Rivers

Australia - November 25th, 2011

The Simpson Desert (upper left quadrant) is a large area of dry, red sandy plain and dunes in Northern Territory, South Australia and Queensland in central Australia. It is the fourth largest Australian desert, with an area of 176,500 km² (68,100 sq mi).

Visible to the east of the desert is Australia’s Channel Country, a region of outback Australia located mostly in the state of Queensland but also in portions of South Australia, Northern Territory and New South Wales. The name comes from the numerous intertwined rivulets that cross the region. The principal rivers are Georgina River, Cooper Creek and the Diamantina River.

When there is sufficient rainfall in their catchment area these rivers flow into Lake Eyre, South Australia. Lake Eyre is visible at the bottom edge, its southwestern basin appearing green in color and its southeastern basin appearing pinkish, framed by white salt flats.

Green Rivers and Red Desert of Australia’s Channel Country – October 8th, 2010

24.7S 140.8E

October 8th, 2010 Category: Deserts, Image of the day, Lakes, Rivers, Salt Flats

Australia - September 20th, 2010

The green areas visible across the arid, reddish expansive of Australian terrain are the rivers and surrounding floodplains of  the nation’s Channel Country. When there is much precipitation, the often dry riverbeds swell with water. Here, the Georgina and Diamantina Rivers and Cooper Creek (left to right) can be observed.

Other interesting features include numerous salt flats, visible as white or cream-colored areas near the rivers. The red, sandy area along the left edge is the Simpson Desert, and in the bottom left corner is the ephemeral Lake Eyre, which changes in color from tan to green as one looks southward.

Simpson Desert Bounded by Lake Eyre and Rivers, Australia

25.4S 138.2E

July 29th, 2010 Category: Lakes, Rivers

Australia - July 17th, 2010

Australia - July 17th, 2010

The Simpson Desert appears rusty red to the north and more tan to the south in this image of parts of central Australia. With a surface area of around 176 500 square kilometers, it spreads across the states of the Northern Territory, South Australia and Queensland.

It is bounded to east by the Georgina and Diamantina Rivers. Here, these rivers and others in Australia’s Channel Country, an arid area marked by a series of ancient flood plains from rivers which only flow intermittently (right side of image).

When very heavy rainfall occurs over time, these rivers flow into  Lake Eyre, a great salt lake that generally remains dry. Here, the lake is greenish in color to the south and more tan to the north.