A report on Southern Ocean

The Antarctic Ocean, as delineated by the draft 4th edition of the International Hydrographic Organization's Limits of Oceans and Seas (2002)
A general delineation of the Antarctic Convergence, sometimes used by scientists as the demarcation of the Southern Ocean
The International Hydrographic Organization's delineation of the "Southern Ocean" has moved steadily southwards since the original 1928 edition of its Limits of Oceans and Seas.
"Southern Ocean" as alternative to the Aethiopian Ocean, 18th century
1928 delineation
1937 delineation
Area inside the black line indicates the area constituting the Pacific Ocean prior to 2002; darker blue areas are its informal current borders following the recreation of the Southern Ocean and the reinclusion of marginal seas
Continents and islands of the Southern Ocean
A map of Australia's official interpretation of the names and limits of oceans and seas around Australia
1564 Typus Orbis Terrarum, a map by Abraham Ortelius showed the imagined link between the proposed continent of Antarctica and South America.
Portrait of Edmund Halley by Godfrey Kneller (before 1721)
"Terres Australes" (sic) label without any charted landmass
James Weddell's second expedition in 1823, depicting the brig and the cutter Beaufroy
Famous official portrait of Captain James Cook who proved that waters encompassed the southern latitudes of the globe. "He holds his own chart of the Southern Ocean on the table and his right hand points to the east coast of Australia on it."
Admiral von Bellingshausen
USS Vincennes at Disappointment Bay, Antarctica in early 1840.
1911 South Polar Regions exploration map
Frank Hurley, As time wore on it became more and more evident that the ship was doomed ( trapped in pack ice), National Library of Australia.
MS Explorer in Antarctica in January 1999. She sank on 23 November 2007 after hitting an iceberg.
Seas that are parts of the Southern Ocean
Manganese nodule
An iceberg being pushed out of a shipping lane by (L to R) USS Burton Island (AGB-1), USS Atka (AGB-3), and USS Glacier (AGB-4) near McMurdo Station, Antarctica, 1965
The Antarctic Circumpolar Current (ACC) is the strongest current system in the world oceans, linking the Atlantic, Indian and Pacific basins.
Location of the Southern Ocean gyres.
Regional Working Group zones for SOOS
Orca (Orcinus orca) hunting a Weddell seal in the Southern Ocean
A wandering albatross (Diomedea exulans) on South Georgia
Fish of the Notothenioidei suborder, such as this young icefish, are mostly restricted to the Antarctic and Subantarctic
Weddell seals (Leptonychotes weddellii) are the most southerly of Antarctic mammals.
Antarctic krill (Euphausia superba) are a keystone species of the food web.
A female warty squid (Moroteuthis ingens)
An adult and sub-adult Minke whale are dragged aboard the Japanese whaling vessel
Severe cracks in an ice pier in use for four seasons at McMurdo Station slowed cargo operations in 1983 and proved a safety hazard.

The Southern Ocean, also known as the Antarctic Ocean, comprises the southernmost waters of the World Ocean, generally taken to be south of 60° S latitude and encircling Antarctica.

- Southern Ocean
The Antarctic Ocean, as delineated by the draft 4th edition of the International Hydrographic Organization's Limits of Oceans and Seas (2002)

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Tasmania

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Island state of Australia.

Island state of Australia.

Tasmania from space
Map showing the general geological surface features of Tasmania. Note the extent of dolerite, and the mosaics in the west.
Tessellated pavement, a rare rock formation on the Tasman Peninsula
1807 engraving by French explorer Charles Alexandre Lesueur shows seafaring Aboriginal people and a large canoe on the eastern shore of Schouten Island
Tasmania is named after Dutch explorer Abel Tasman, the first European to sight the island, in 1642.
Painting by John Glover of Mount Wellington and Hobart, 1834
Painting of a Tasmanian Aboriginal throwing a spear, 1838
Four elderly full-blood Tasmanian Aboriginal people, c. 1860s. Truganini, for many years claimed to be the last full-blood Aboriginal person to survive, is seated far right.
A convict ploughing team breaking up new ground at the farm at Port Arthur.
Topography of Tasmania
Because of Tasmania's proximity to the south magnetic pole towards Antarctica, the Aurora australis can sometimes be seen.
Satellite image showing snow covering Tasmania's highlands, August 2020.
Snow on Cradle Mountain
The Köppen climate classifications of Tasmania.
An apple orchard in the "Apple Isle".
Ferns in Hellyer Gorge, to the northeast of Savage River National Park
The Tasmanian Devil, Tasmania's state animal emblem
Estimated resident population since 1981
Parliament House, Hobart
Map showing the Local Government Areas of Tasmania.
Smoked Tasmanian salmon. Tasmania is a large exporter of seafood, particularly salmon.
Hop farms in the Derwent Valley.
Booker Prize-winner Richard Flanagan has written several novels set in his home state of Tasmania.
The Museum of Old and New Art (MONA), the largest privately owned museum in the Southern Hemisphere
The Princess Theatre and Earl Arts Centre, Launceston
Bellerive Oval hosts cricket and Australian rules football, Tasmania's two most popular spectator sports.
Built in Hobart in 1824, Cascade Brewery is Australia's oldest continuously operating brewery.
Hobart Airport
Bridgewater Bridge
The West Coast Wilderness Railway runs from Queenstown to Strahan and is a reminder of the once elaborate network of rail in Tasmania.
The Spirit of Tasmania links the island with mainland Australia.
Mount Ossa & Mount Pelion West
Hobart from kunanyi / Mount Wellington
King River
River Styx
92-metre-high Eucalyptus regnans
Temperate rainforest
Lake Pedder and Mount Anne from Western Arthurs
Cradle Mountain from the shore of Dove Lake
Cataract Gorge, Launceston
Sub-Antarctic Garden, Royal Tasmanian Botanical Gardens, Hobart
Mount Roland

Winter maximums are 12 °C on average along coastal areas and 3 °C on the central plateau, as a result of a series of cold fronts from the Southern Ocean.

South Australia Act 1834

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Act of the Parliament of the United Kingdom, passed on 15 August 1834, with the long title "An Act to empower His Majesty to erect South Australia into a British Province or Provinces and to provide for the Colonization and Government thereof".

Act of the Parliament of the United Kingdom, passed on 15 August 1834, with the long title "An Act to empower His Majesty to erect South Australia into a British Province or Provinces and to provide for the Colonization and Government thereof".

Also known as the South Australian Colonization Act, the Act provided for the settlement of a province or multiple provinces on the lands between 132 degrees east and 141 degrees of east longitude, and between the Southern Ocean, and 26 degrees south latitude, including the islands adjacent to the coastline.

Elephant Island

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Elephant Island
Chinstrap penguins and Antarctic fur seals at Point Wild, Elephant Island
Elephant Island party, 1916
Launch of the James Caird from the shore of Elephant Island
Shackleton leaves Elephant Island on the James Caird
Map of Elephant Island

Elephant Island is an ice-covered, mountainous island off the coast of Antarctica in the outer reaches of the South Shetland Islands, in the Southern Ocean.

Renier Point

Livingston Island

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Renier Point
Tangra Mountains
Cape Shirreff
Serac ice
Tarn
Eastern Byers Peninsula with Urvich Wall and Rotch Dome in the background; a carpet of Usnea antarctica lichen in the foreground
Storm over False Bay
Cooler mountains: The Sphinx in front of Lyaskovets Peak
Antarctic hairgrass, the world's southernmost flowering plant
Williams Point, discovered on 19 February 1819
Spanish warship San Telmo
Derelict Norwegian whaling boat on Half Moon Island
Livingston on George Powell's 1822 chart; the track is that of his sloop Dove in November 1821
Devils Point and Hell Gates, with Morton Strait and Snow Island in the background, and Smith Island on the right horizon
Mount Friesland, with Presian Ridge in the foreground and The Synagogue in the left background
Huron Glacier with Atanasoff Nunatak on the left and Delchev Peak on the right, McFarlane Strait with Moon Bay and Half Moon Island, and Greenwich Island in the background
Bransfield Strait with Antarctic Peninsula in the background, Peshev Ridge, Brunow Bay and Needle Peak in the middle ground, and Catalunyan Saddle in the foreground
Juan Carlos I Base (Spain)
Ohridski Base (Bulgaria)
Cámara Base (Argentina) with Livingston Island in the background
Guillermo Mann Base (Chile, left) and Cape Shirreff Field Station (USA, right)
Camp Byers / International Field Camp
Camp Academia
Lame Dog Hut
Antarctic fur seal
St. Ivan Rilski Chapel's altar
Tourist trail on Liverpool Beach
Cyrillic Script Monument
Zodiac boat
Bulgarian Base in 1996
Livingston Island map on a souvenir sheet
Geography of the thriller novel
The Killing Ship by Simon Beaufort
Hurd Peninsula and Rozhen Peninsula from Hannah Point
Elephant seals on Liverpool Beach
Polish Bluff from Argentina Cove
Antarctic pearlwort, one of the two native flowering plants
Antarctic tern at Cape Shirreff
St. Boris Peak from Mt Friesland
Helmet Peak
Pliska Ridge and Burdick Ridge
Orpheus Gate
Crevasse
Volcanic ash layers in Perunika Glacier
Bowles Ridge
Kubrat Knoll, Inott Point and Edinburgh Hill
Komini Peak
Atanasoff Nunatak
Yambol Peak
Ongal Peak
Elena Peak and Yavorov Peak
Zograf Peak
Needle Peak
Delchev Peak
Rezen Knoll
On a survey mission
Wedding in Livingston Island's waters
Livingston Island's Christmas tree
Spanish refuge at Mount Reina Sofía
The old Spanish base
BIO Hespérides in South Bay
The old St. Ivan Rilski Chapel
Tangra Mountains from Chilean and US base vicinity
Overview map of Livingston Island

Livingston Island (Russian name Smolensk, -62.6°N, -60.5°W) is an Antarctic island in the Southern Ocean, part of the South Shetlands Archipelago, a group of Antarctic islands north of the Antarctic Peninsula.

Admiral Fabian Gottlieb von Bellingshausen, lithograph by U. Schzeibach (У. Шзейбах), circa 1835

Fabian Gottlieb von Bellingshausen

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Russian naval officer, cartographer and explorer, who ultimately rose to the rank of admiral.

Russian naval officer, cartographer and explorer, who ultimately rose to the rank of admiral.

Admiral Fabian Gottlieb von Bellingshausen, lithograph by U. Schzeibach (У. Шзейбах), circa 1835
Coat of arms of the Bellingshausen family
Nadezdha, on which Bellingshausen served under captain Krusenstern during the first Russian circumnavigation.
The First Russian Antarctic expedition 1819–1821
Captain Faddey Bellingshausen with the Cross of the Order of St. Vladimir
Mikhail Lazarev, captain of Mirny and second-in-command to Bellingshausen during the Antarctic expedition.
A commemorative coin of the Bank of Russia dedicated to the first Russian Antarctic expedition
Monument to Bellingshausen in Kronstadt, Russia

As a prominent cartographer, Bellingshausen was appointed to command the Russian circumnavigation of the globe in 1819–1821, intended to explore the Southern Ocean and to find land in the proximity of the South Pole.

Antarctic krill

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The head of Antarctic krill. Observe the bioluminescent organ at the eyestalk and the nerves visible in the antennae, the gastric mill, the filtering net at the thoracopods and the rakes at the tips of the thoracopods.
Modified thoracopods that form the feeding basket of the filter apparatus move through the water to bring phytoplankton cells into the mouth.
Antarctic krill feeding on ice algae. The surface of the ice on the left side is coloured green by the algae.
In situ image taken with an ecoSCOPE. A green spit ball is visible in the lower right of the image and a green fecal string in the lower left.
Layers of the Pelagic Zone which contains organisms that make up an ecosystem. Antarctic Krill are part of this ecosystem.
Watercolour of bioluminescent krill
Lobstering krill
Krill distribution on a NASA SeaWIFS image – the main concentrations are in the Scotia Sea at the Antarctic Peninsula
Temperature and pack ice area over time, after data compiled by Loeb et al. 1997. The scale for the ice is inverted to demonstrate the correlation; the horizontal line is the freezing point—the oblique line the average of the temperature.
Annual world catch of E. superba, compiled from FAO data.

Antarctic krill (Euphausia superba) is a species of krill found in the Antarctic waters of the Southern Ocean.

Nathaniel Palmer

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American seal hunter, explorer, sailing captain, and ship designer.

American seal hunter, explorer, sailing captain, and ship designer.

Capt. Nathaniel B. Palmer House, Stonington, Connecticut
Capt. Nathaniel B. Palmer House, rear view with widow's walk (the lookout on the roof)

During the 1810s the hides of Antarctic Ocean seals were highly valued as items for trade with China.

Nototheniidae

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Family of ray-finned fishes, part of the suborder Notothenioidei which is traditionally placed within the order Perciformes.

Family of ray-finned fishes, part of the suborder Notothenioidei which is traditionally placed within the order Perciformes.

Longfin icedevil (Aethotaxis mitopteryx)
Emerald rockcod (Trematomus bernacchii)

They are largely found in the Southern Ocean.

Weddell in 1828

James Weddell

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Weddell in 1828
James Weddell's second expedition, depicting the brig "Jane" and the cutter "Beaufoy".

James Weddell (24 August 1787 – 9 September 1834) was a British sailor, navigator and seal hunter who in February 1823 sailed to latitude of 74° 15′ S—a record 7.69 degrees or 532 statute miles south of the Antarctic Circle—and into a region of the Southern Ocean that later became known as the Weddell Sea.

Colossal squid

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Part of the family Cranchiidae.

Part of the family Cranchiidae.

Size comparison with a human
The beak of a colossal squid
This specimen, caught in early 2007, is the largest cephalopod ever recorded. Here it is shown alive during capture, with the delicate red skin still intact and the mantle characteristically inflated.
The specimen on display at the Museum of New Zealand Te Papa Tongarewa

It is known to inhabit the circumantarctic Southern Ocean.