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Sediments by De Grey River Mouth and Along Eighty Mile Beach, Australia – March 12th, 2013

19.6S 121.0E

March 12th, 2013 Category: Image of the day, Rivers, Sediments

Australia – March 4th, 2013

Heavy rainfall associated with the presence of Tropical Cyclone Rusty (17S), which made landfall in northwestern Australia in late February 2013 caused rivers to flood and release heavy sediment loads into the Indian Ocean. Here, rusty red sediments can be seen spilling from the mouth of the De Grey River and into Breaker Inlet (lower left). A whitish band of sediment can also be seen framing the coastline along Eighty Mile Beach, which forms the coastline where the Great Sandy Desert approaches the Indian Ocean.  The beach lies about halfway between the towns of Broome and Port Hedland, where the cyclone made landfall.

Waters in Usually Dry Lake Disappointment, Australia

23.4S 122.6E

March 12th, 2013 Category: Lakes, Salt Flats

Australia – March 10th, 2013

Tropical Cyclone Rusty (17S) brought heavy rains and flood warnings to northwestern Australia in late February and early March 2013. The rains caused Lake Disappointment, a large but usually dry saline lake in the Gibson Desert, to fill with water. Despite its saltiness, Lake Disappointment provides a refuge for many species of waterfowl.

Sediment Plume by De Grey River Mouth, Australia

20.3S 118.5E

March 11th, 2013 Category: Rivers, Sediments

Australia – March 3rd, 2013

When Tropical Cyclone Rusty (17S) made landfall east of Port Hedland, in northwestern Australia, in late February 2013, it brought heavy rains and flood warnings. Higher water was recorded in the De Gray River in early March. Flooded rivers usually carry heavy sediment loads, and in this image, sediments can be seen near the river mouth. A plume of sediments can also be seen extending far offshore in a loop shape, carried by ocean currents.