Trinity Island

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Trinity Island or Île de la Trinité or Isla Trinidad is an island Template:Convert long and Template:Convert wide in the northern part of the Palmer Archipelago, Antarctica. It lies Template:Convert east of Hoseason Island, Template:Convert south of Deception Island in the South Shetland Islands, and Template:Convert north-northwest of Cape Andreas on the Antarctic Peninsula. The island was named by Otto Nordenskiöld, leader of the 1901-1904 Swedish Antarctic Expedition (SAE) in commemoration of Edward Bransfield's "Trinity Land" of 1820.

History

Trinity Island, or the adjoining Davis Coast stretch of the Antarctic Peninsula, may have been the first part of Antarctica spotted by Nathaniel Palmer, on 16 November 1820. He was an American sealer, exploring southwards from Cape Horn in his little sloop searching for seal rookeries. The whole archipelago was named in his honour in 1897 by Adrien de Gerlache, leader of the Belgian Antarctic Expedition.[1]

Geography

Trinity Island is one of the most northerly of the islands of the Palmer Archipelago, a chain of more than fifty islands running parallel with the coast of the Antarctic Peninsula. It is about Template:Convert long and Template:Convert wide, with an irregular shape and coastline that encompasses many points, capes, bays, coves, and other subordinate features. Many of these geographic features have been charted and named by various Antarctic expeditions, as well as the nations of Argentina and Bulgaria.

Trinity Island is separated from Tower Island to the east by Gilbert Strait.[2] Both islands are separated from the Davis Coast to the south by Orléans Strait, running northeast–southwest.[3] To the southwest, Chayka Passage separates Trinity Island from Spert Island by just Template:Cvt.[4]

Northern portion

Cape Wollaston marks the island's northwest extremity. The name was originally applied by the 1828-1831 British Chanticleer expedition for William H. Wollaston, commissioner of the Royal Society from 1818–28.[5] To the east along the north coast is Lorna Cove, Template:Cvt wide, with ice-covered Albatros Point marking its eastern shore.[6][7] Both features were named for Bulgarian fishing trawlers from the Ocean Fisheries company.[6][7] Continuing east, Cape Neumayer forms the northeast end of Trinity Island. It was charted by the SAE and named after German geophysicist Georg B. von Neumayer.[8]

On the west coast, Preker Point sits Template:Cvt to the southwest of Cape Wollaston. It is named for a mountain in the Balkan Mountains.[9] It marks the northern point of Saldobisa Cove, which is Template:Cvt wide, and was named for an ancient Thracian settlement in northern Bulgaria.[9][10] Burya Point, formed by an offshoot of Ketripor Hill, divides Saldobisa from Olusha Cove to the south. It was named for Burya, a village in Bulgaria.[11] Olusha Cove, named for a Bulgarian fishing trawler, is Template:Cvt wide and marked to the south by Consecuencia Point.[12][13]

Continuing south down the west coast, just north of Lyon Peak, sits Milburn Bay, fed by Pastra Glacier. The bay was shown on an Argentine government chart of 1952 and named by the UK Antarctic Place-Names Committee (UKAPC) in 1960 for M. R. Milburn, an air traffic control officer of the Falkland Islands and Dependencies Aerial Survey Expedition (FIDASE), which photographed this area in the period 1955–57.[14]

Southern portion

File:Mikkelsen Harbour-2016-Trinity Island (D'Hainaut Island)–Gentoo penguins (Pygoscelis papua) 02.jpg
Gentoo penguins at Mikkelsen Harbor, Trinity Island

Towards the southern end of the west coast is Krivina Bay, a Template:Cvt-wide bay that indents the coast to a depth of Template:Cvt. Three small, rocky islands lie in the northern part of the bay.[15] Northernmost is Imelin Island, Template:Cvt long by Template:Cvt wide.[16] Dink Island lies Template:Cvt to the south. It is Template:Cvt long by Template:Cvt wide, and lies Template:Cvt north of Rogulyat Island, which is the southernmost of the three.[17] Rogulyat Island is Template:Cvt long by Template:Cvt wide.[18] The bay and its islands are named for locations in Bulgaria: the villages of Dink,[17] Krivina,[15] and Rogulyat,[18] and Imelin Cave.[16]

On the southwest side of the island is Belimel Bay, a Template:Cvt-wide bay that indents the coast to a depth of Template:Cvt. It is named for Belimel in northwestern Bulgaria.[19] The bay is defined on the north by Spert Island and to the south by Asencio Point.[19] The point is named for Alferez de Navío Salvador Asencio of the Uruguay.[20] Tizoin Point, named for a cave in Bulgaria, projects southwards into the middle of the bay.[21]

On the east side of the southern portion of the island, Template:Convert northeast of Borge Point, Awl Point projects a short distance from the shore. Awl Point was shown on an Argentine government chart of 1952, and named by the UKAPC in 1960 because the point is low in elevation but very sharply pointed in plan, suggesting an awl.[22]

The southernmost point of the island is called Skottsberg Point, which marks the west side of Mikkelsen Harbor, the most prominent feature on the southern half of the island.[1][23]

Offshore features

The Hydrodist Rocks lie Template:Convert off the west coast of Trinity Island. They were first fixed in January 1964 by Template:HMS by means of a helicopter-borne hydrodist.[24]

Judas Rock lies Template:Convert west of the southwest end of the island. First shown on an Argentine government chart of 1950, UKAPC named it in 1960 after Judas Iscariot because the rock marks the southern extremity of a hazardous shoal area which extends northward from it for Template:Convert in an otherwise clear passage.[25]

Important Bird Areas

Cape Wollaston

Cape Wollaston, at the northwest extremity of the island, has been designated an Important Bird Area (IBA) by BirdLife International because it supports a large breeding colony of about 10,000 pairs of southern fulmars. The Template:Cvt site comprises the ice-free land of the cape. It has an elevation of about 250 m.[26]

Trinity Island south-west

A Template:Convert site comprising a rocky headland rising to Template:Convert above sea level, at the south-western extremity of the island, has also been designated an IBA because it supports a breeding colony of about 200 pairs of Antarctic shags. Chinstrap penguins also nest at the site.[27]

See also

References

Template:Reflist

External links

Template:Important Bird Areas of Antarctica

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  22. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named gnis-AP
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  24. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named gnis-HR
  25. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named gnis-JR
  26. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named bli-CW
  27. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named bli-TIS
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