Saturday, September 21, 2013

Timor Sea

Timor Sea

Timor Sea
Timor Sea
The Timor Sea is a relatively shallow sea bounded to the north by the island of Timor, to the east by the Arafura Sea, to the south by Australia and to the west by the Indian Ocean.
The sea contains a number of reefs, uninhabited islands and significant hydrocarbon reserves. International disputes emerged after the reserves were discovered resulting in the signing of the Timor Sea Treaty.
The Timor Sea was hit by
years in 2009.
the worst oil spill for 25
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It is possible that Australia's 1st inhabitants crossed the Timor Sea from Indonesia at a time when sea levels were lower.
The waters to the east are known as the Arafura Sea. The Timor Sea is adjacent to three substantial inlets on the north Australian coast, the Joseph Bonaparte Gulf, Beagle Gulf and the Van Diemen Gulf. The Australian city of Darwin is the only large city to adjoin the sea. The small town of Wyndham is located on the west arm of Cambridge Gulf, an inlet of Joseph Bonaparte Gulf.
Rivers that enter the Timor Sea from the Northern Territory include Fish River, King River, Dry River, Victoria River and the Alligator Rivers. Rivers in the Kimberley region that flow into the Timor Sea include the Ord River, Forrest River, Pentecost River and Durack River.
On the North The Southeastern limit of the Savu Sea [By a line from the Southwest point of Timor to the Northeast point of Roti, through this island to its Southwest point] the Southeastern coast of Timor and the Southern limit of the Banda Sea [A line from Tanjong Aro Oesoe, through Sermata to Tanjong Njadora the Southeast point of Lakov along the South coasts of Lakov, Moa and Leti Islands to Tanjong Toet Pateh, the West point of Leti, thence a line to Tanjong Sewirawa the Eastern extremity of Timor].
On the East. The Western [limit] of the Arafura Sea [A line from Cape Don to Tanjong Aro Oesoe, the Southern point of Selaroe ].
On the South. The North
Don to Cape Londonderry.
coast of Australia from Cape
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On the West. A line from
Southwest point of Roti Island.
Cape Londonderry to the
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Many tropical storms and cyclones originate or pass through the Timor Sea. In February 2005, Tropical Cyclone Vivienne disrupted oil and gas production facilities in the area, and the next month, Severe Tropical Cyclone Willy interrupted production.. The petroleum production facilities are designed to withstand the effects of cyclones, although as a safety precaution production is usually reduced or temporarily halted and workers evacuated by helicopter to the mainland - usually to Darwin or Dili.
A number of significant islands are located in the sea, notably Melville Island, part of the Tiwi Islands, off Australia and the Australian-governed Ashmore and Cartier Islands. It is thought that early humans reached Australia by "island-hopping" across the Timor Sea.
The Timor Current is an oceanic current that runs south-west in the Timor Sea between the Indonesia archipelago and Australia. It is a major contributor to the Indonesian Throughflow that transports water from the Pacific Ocean to the Indian Ocean.
Beneath the Timor Sea lie considerable reserves of oil and gas. A number of offshore petroleum projects are in operation and there is considerable exploration activity either underway and numerous proposed projects. A gas pipeline crosses the Timor Sea from the Joint Petroleum Development Area to Wickham Point near Darwin.
The Timor Sea was the location for Australia's largest oil spill when the Montara oil field leaked oil, natural gas and condensate from 21 August to 3 November 2009. During the spill 400 barrels of oil leaked each day. The Montara Commission of Inquiry placed blame on the Thai company PTTEP, owner of the wells.
Since discovery of petroleum in the Timor Sea in the 1970s, there have been disputes surrounding rights to ownership and exploitation of the resources situated in a part of the Timor Sea known as the Timor Gap, which is the area of the Timor Sea which lies outside the territorial boundaries of the nations to the north and south of the Timor Sea. These disagreements initially involved Australia and Indonesia, although a resolution was eventually reached in the form of the Timor Gap Treaty. After declaration of East Timor's nationhood in 1999, the terms of the Timor Gap Treaty were abandoned and negotiations commenced between Australia and East Timor, culminating in the Timor Sea Treaty.
Australia's territorial claim extends to the bathymetric axis at the Timor Trough. It overlaps East Timor's own territorial claim, which follows the former colonial power Portugal in claiming that the dividing line should be midway between the two countries.
The Timor Sea Treaty, which was signed on the 20 May 2002, led to the establishment of the Timor Sea Designated Authority. This organisation is responsible for the administration of all petroleum-related activities in a part of the Timor Sea known as the Joint Petroleum Development Area (JPDA). The treaty was ratified in February 2007.
Under the terms of the treaty, royalties on petroleum production in the JPDA are split in a 90:10 ratio between East Timor and Australia. It has been criticised because the treaty didn't finalise the maritime boundary between East Timor and Australia.
During the 1940s the Japanese navy conducted air raids on Australia from ships in the Timor Sea. On the 19 February 1942 the Japanese aircraft carrier Kaga with other vessels, launched air strikes against Darwin, Australia, sinking nine ships, including the USS Peary. This bombing marked the beginning of the Battle of Timor in the Pacific theatre of World War II.

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