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Cloud Vortex Near Adelaide, Australia

34.9S 138.5E

March 21st, 2013 Category: Clouds

Australia – March 21st, 2013

A large cloud vortex swirls off the coast of South Australia, near Adelaide. Visible north of the vortex center are the Gulf of Spencer (larger, west) and the Gulf of St. Vincent (smaller, east). Such vortices can form for a variety of reasons, including upper air circulation effects, mechanical effects induced by nearby mountains, surface heating from the ocean, and association with a cold front.

Icy Surface of Adelaide Island, Antarctica

67.1S 68.1W

January 25th, 2013 Category: Climate Change

Antarctica – January 7th, 2013

Although it may be connected to Antarctica by an ice bridge, the large land mass on the left side of the image is in fact an island: Adelaide Island, also known as  Isla Adelaida and Isla Belgrano. The island is mostly ice-covered, and is 75 miles (121 km) long and 20 miles (32 km) wide. Parts of the island, in particular the Fuchs Ice Piedmont – ice covering a coastal strip of low-lying land backed by mountains extending in a northeast–southwest direction along the entire west coast of the island – are being affected by climate change. Scientists have reported atmospheric warming causing inscreasingly early summer melting on the island, leading the snow-covered surface of the ice piedmont to deteriorate over the years.

Early Summer Melting Affecting Fuchs Ice Piedmont, Adelaide Island, Antarctica – January 7th, 2013

67.1S 68.1W

January 7th, 2013 Category: Climate Change, Glaciers and Ice Caps, Image of the day

Antarctica – January 6th, 2013

Small icebergs can be seen breaking off the coast of Antarctica, near Adelaide Island (upper right quadrant). Adelaide Island, also known as  Isla Adelaida and Isla Belgrano, is a large, mainly ice-covered island, 75 miles (121 km) long and 20 miles (32 km) wide, lying at the north side of Marguerite Bay off the west coast of the Antarctic Peninsula. The Ginger Islands lie off the southern end.

Located on Adelaide Island is the Fuchs Ice Piedmont, an ice piedmont (ice covering a coastal strip of low-lying land backed by mountains) that is 70 nautical miles (130 km) long, extending in a northeast–southwest direction along the entire west coast of the island. According to Chilean scientists, the snow-covered surface of the glacier has progressively deteriorated over the years, due to increasingly early summer melting. Crevasses appear on the glacier surface progressively earlier in the summer, presumably due to higher snowmelt and perhaps higher ice velocities, in response to regional atmospheric warming.

Salt Flats, Mountains and Gulfs Near Adelaide, Australia – November 30th, 2010

34.9S 138.6E

November 30th, 2010 Category: Image of the day, Lakes, Mountains, Salt Flats, Sediments

Australia - November 9th, 2010

Sediments are present into the Spencer Gulf (west) and Gulf St. Vincent (east), the two of which are separated by the Yorke Peninsula. The city of Adelaide is located by the shores of Gulf St. Vincent.

Moving inland from the apex of Spencer Gulf, the Flinders Ranges appear as a dark brown area. In the full image, the almost swirled shape of the individual ridges can be observed. The ranges lie between Lake Torrens (west) and Lake Frome (east). Both are usually dry salt flats, hence the whitish grey color.

The Yorke Peninsula Near Adelaide, Australia, and Nearby Lakes

35S 137.2E

April 14th, 2010 Category: Lakes

Australia - March 5th, 2010

Australia - March 5th, 2010

The Yorke Peninsula is a peninsula located north-west and west of Adelaide in South Australia, Australia, between Spencer Gulf on the west and Gulf St Vincent on the east. The peninsula is separated from Kangaroo Island to the southeast by Investigator Strait.

Principal towns include the Copper Triangle towns of Kadina, Moonta and Wallaroo; farming centres of Maitland, Minlaton and Yorketown; and the port of Ardrossan. A number of smaller coastal towns are popular destinations for fishing and holidays, particularly from Adelaide. The south-western tip is occupied by Innes National Park.d

Two lakes can also be seen near the peninsula: the green lake east of Kangaroo Island, near the shoreline, is Lake Alexandrina, and the bright white patch in the upper left quadrant is the saline, endorheic Lake Gairdner.