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Posts tagged Port Jackson

Plains and Mountainous Plateaux Around Sydney, Australia

33.8S 151.2E

December 26th, 2009 Category: Snapshots

Australia - November 30th, 2009

Australia - November 30th, 2009

Sydney, the state capital of New South Wales, is the largest city in Australia. It is located on low hills on the country’s southeast coast along an inlet of the Tasman Sea, in the lower half of this orthorectified image.

Sydney’s urban area is in a coastal basin, which is bordered by the Pacific Ocean to the East, the Blue Mountains to the West, the Hawkesbury River to the North and the Royal National Park to the South. It lies on a submergent coastline, where the ocean level has risen to flood deep river valleys (ria) carved in the hawkesbury sandstone. Port Jackson, better known as Sydney Harbour, is one such ria and is the largest natural harbour in the world.

Geographically, Sydney lies over two regions: the Cumberland Plain, a relatively flat region lying to the south and west of the harbour, and the Hornsby Plateau, a sandstone plateau lying mainly to the north of the harbour and dissected by steep valleys. The parts of the city with the oldest European development are located in the flat areas south of the harbour. The North Shore was slower to develop because of its hilly topography and lack of access across the harbour.

Sydney, Australia

33.8S 151.2E

August 14th, 2009 Category: Rivers

Australia - July 13th, 2009

Australia - July 13th, 2009

Sydney is the largest city in Australia, with a metropolitan area population of approximately 4.34 million (2008 estimate). It is the state capital of New South Wales, and was the site of the first British colony in Australia.

Situated on Australia’s south-east coast along an inlet of the Tasman Sea, Sydney is built on low hills surrounding Port Jackson. The metropolitan area is surrounded by national parks, and contains many bays, rivers and inlets.

One such river is the Nepean, visible near the left edge of this orthorectified image. The headwaters of the Nepean River rise near Robertson, about 100 kilometres south of Sydney and about 15 kilometres from the coast. The river flows north in an unpopulated water catchment area into Nepean Dam, which supplies water for Sydney.

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