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Darwin Harbour Mid-Winter Afternoon - 32C and 60% humidity with a 10 knot nor-wester seabreeze - almost perfection

Darwin Harbour Mid-Winter Afternoon - 32C and 60% humidity with a 10 knot nor-wester seabreeze - almost perfection
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Darwin, NT, Australia

DARWIN
Darwin is the capital city of the Northern Territory of Australia. Situated on the Timor Sea, Darwin is the largest city in the sparsely populated Northern Territory, with a population of 145,916. It is the smallest and most northerly of the Australian capital cities, and acts as the Top End's regional centre.
Darwin's proximity to South East Asia makes it a link between Australia and countries such as Indonesia and East Timor. The Stuart Highway begins in Darwin, ending at Port Augusta in South Australia. The city itself is built on a low bluff overlooking the harbour. Its suburbs spread out over some area, beginning at Lee Point in the north and stretching to Berrimah in the east. Past Berrimah, the Stuart Highway goes on to Darwin's satellite city, Palmerston, and its suburbs. The Darwin region, like the rest of the Top End, has a tropical climate, with a wet and a dry season. Prone to cyclone activity during the wet season, Darwin experiences heavy monsoonal downpours and spectacular lightning shows. During the dry season, the city is met with blue skies and gentle sea breezes from the harbour.
On 9 September 1839, HMS Beagle sailed into Darwin harbour during its surveying of the area. John Clements Wickham named the region "Port Darwin" in honour of their former shipmate Charles Darwin, who had sailed with them on the ship's previous voyage which had ended in October 1836. The settlement there became the town of Palmerston in 1869, and was renamed Darwin in 1911. The city has been almost entirely rebuilt four times, following devastation caused by the 1897 cyclone, the 1937 cyclone, Japanese air raids during World War II, and Cyclone Tracy in 1974.


DARWIN HARBOUR
Darwin Harbour is the body of water close to Darwin in the Australian Northern Territory. It opens to the north at a line from Charles Point in the west to Lee Point in the east into the Beagle Gulf and connects via the Clarence Strait with the Van Diemen Gulf. It contains Port Darwin, which is flanked by Frances Bay to the east and Cullen Bay to the west.
Name
It was named after the naturalist Charles Darwin who sailed with Robert Fitzroy on the ship HMS Beagle around parts of Australia. However, Darwin and Fitzroy sailed in 1836 from King George's Sound (Western Australia) directly to the Cocos-Keeling Islands, at the south coast of Java, and from there to Cape Town and back to England. They stayed thus away from Darwin Harbour by 3000 sea miles and did not know of its existence.
Climate
The climate of the Darwin Harbour region is monsoon tropical with two distinct seasons: the Dry and the Wet. The Dry lasts for 6 months between April and September with an average rainfall of 24 mm, whereas the Wet lasts between October and March with an average monthly rainfall of 254 mm/month (according to the Bureau of Meteorology, 1999). The majority of the rain falls between December and April. Runoff varies between 250–1000 mm. Riverine discharge is relatively low with the exception of the Blackmore River and Elizabeth River. Peak flow for these rivers occurs in February, respectively 605Ml/day and 389 Ml/day, after which it slowly decreases until July when there is no freshwater input into Darwin Harbour until the onset of the following wet season (Padovan 1997). Cyclone frequency is low to moderate.
Marine life
Darwin Harbour supports very high fish diversity with 415 fish species now known. Darwin Harbour provides a unique opportunity to see dugongs in the wild, because their favourite food is located off Casuarina and Vestey’s beaches. Seagrass meadows are also the main diet of green turtles and provide habitats for many smaller marine animals including commercially important species such as prawns and fish.
Oceanography
The tides at Port Darwin are macro-tidal with a maximum tidal range of 7.8 m, a mean spring range of 5.5 m and a mean neap range of 1.9 m (Padovan, 1997). The currents caused by these tides are complex and strong.
Estuaries

The Elizabeth River Bridge across Elizabeth River, upstream the East Arm of Darwin Harbour
Darwin Harbour is a drowned river valley and consist of ria shorelines and extensive headlands.
Catchment
The catchment of Darwin Harbour occupies a total area of approximately 3,230 square kilometres (1,247 sq mi), of this 2,010 square kilometres (776 sq mi) is land based and the other 1,220 square kilometres (471 sq mi) are estuarine areas at the high water mark.
Geology
The underlying lithology is dominated by Permian siltstones and sandstones.
Date: 2018-06-12 17:31:30




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Comments

Excelentísima perspectiva!
caminanteK 2018-06-12 18:57:12
Wow ! Awesome!!
Dr. Ilia 2018-06-13 19:00:04

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