Admiralty Sound is a sound which extends in a NE-SW direction and separates Seymour and Snow Hill Islands from James Ross Island, off the NE end of Antarctic Peninsula. The broad NE part of the sound was named Admiralty Inlet by the British expedition under Capt. Ross, who discovered it on Jan. 6, 1843. The feature was determined to be a sound rather than a bay in 1902 by the Swedish Antarctic Expedition under Otto Nordenskiöld. Coordinates: 64°20′S57°10′W / 64.333°S 57.167°W
James Ross Island is a large island off the southeast side and near the northeastern extremity of the Antarctic Peninsula, from which it is separated by Prince Gustav Channel. Rising to 1,630 metres (5,350 ft), it is irregularly shaped and extends 64 km in a north–south direction. It was charted in October 1903 by the Swedish Antarctic Expedition under Otto Nordenskiöld, who named it for Sir James Clark Ross, the leader of a British expedition to this area in 1842 that discovered and roughly charted a number of points along the eastern side of the island. The style, "James" Ross Island is used to avoid confusion with the more widely known Ross Island in McMurdo Sound.
Gerlache Strait or de Gerlache Strait or Détroit de la Belgica is a channel/strait separating the Palmer Archipelago from the Antarctic Peninsula. The Belgian Antarctic Expedition, under Lt. Adrien de Gerlache, explored the strait in January and February 1898, naming it for the expedition ship Belgica. The name was later changed to honor the commander himself.
Herbert Sound is a sound in Antarctica extending from Cape Lachman and Keltie Head on the northwest to the narrows between The Naze and False Island Point on the southeast, separating Vega Island from James Ross Island and connecting Prince Gustav Channel with Erebus and Terror Gulf. On January 6, 1843, Captain James Clark Ross discovered a broad embayment east of the sound, which he named "Sidney Herbert Bay" after Sidney Herbert, First Secretary to the Admiralty. The sound proper was discovered and charted by the Swedish Antarctic Expedition, 1901–04, under Otto Nordenskiöld, who included it with the broad embayment under the name "Sidney Herbert Sound". The recommended application restricts Herbert Sound to the area west of the narrows between The Naze and False Island Point; the embayment discovered by Ross forms the western margin of Erebus and Terror Gulf.
Sir James Clark Ross was a British Royal Navy officer and polar explorer known for his explorations of the Arctic, participating in two expeditions led by his uncle John Ross, and four led by William Edward Parry, and, in particular, for his own Antarctic expedition from 1839 to 1843.
Lockyer Island is an island 2.5 mi long, lying off the south shore of James Ross Island in the SW entrance to Admiralty Sound in Antarctica. Named Cape Lockyer by Capt. James Clark Ross, Jan. 7, 1843, at the request of Capt. Francis R.M. Crozier in honor of the latter's friend, Capt. Nicholas Lockyer (1803–1843), Royal Navy. The insularity of the feature was determined by the Swedish Antarctic Expedition under Otto Nordenskiöld in 1902.
Blériot Glacier is a short, but wide, glacier lying east of Salvesen Cove and Zimzelen Glacier and southwest of Cayley Glacier on Danco Coast, Graham Land in Antarctica. Photographed by the Falkland Islands and Dependencies Aerial Survey Expedition in 1956–57, and mapped from these photos by the Falkland Islands Dependencies Survey, it was named by the UK Antarctic Place-Names Committee in 1960 for Louis Blériot (1872–1936), a French aviator who in 1907 flew the first full-size powered monoplane, and who made the first flight across the English Channel in July 1909.
Cape Broms is a cape which marks the south side of the entrance to Rohss Bay on the west side of James Ross Island, off the northeast end of Antarctic Peninsula. It was discovered by the Swedish Antarctic Expedition, 1901–04, under Otto Nordenskiöld, who named it for G.E. Broms, a patron of the expedition.
Cayley Glacier is a glacier flowing northwest into the south side of Brialmont Cove, on the west coast of Graham Land.
Napier Rock is a rock lying 1.75 nautical miles (3.2 km) east-southeast of Point Thomas in Admiralty Bay, King George Island, in the South Shetland Islands. Charted by the French Antarctic Expedition under Charcot, 1908–10. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) in 1960 for Ronald G. Napier (1925–1956) of Falkland Islands Dependencies Survey (FIDS), general assistant and handyman at the Signy Island station in 1955, and then leader at Admiralty Bay until he was drowned on March 24, 1956.
Croft Bay is a bay which indents the north-central side of James Ross Island and forms the southern part of Herbert Sound, south of the northeastern end of the Antarctic Peninsula. It was discovered in 1903 by the Swedish Antarctic Expedition under Otto Nordenskiöld. It was charted in 1945 by the Falkland Islands Dependencies Survey (FIDS), who named it for W.N. Croft, a FIDS geologist at Hope Bay in 1946.
Jefford Point is a point formed by a rock cliff surmounted by ice, located 8 nautical miles (15 km) east-northeast of Cape Foster on the south coast of James Ross Island, Antarctica. The point was first surveyed by the Swedish Antarctic Expedition, 1901–04, under Otto Nordenskjold. It was resurveyed by the Falkland Islands Dependencies Survey (FIDS) in 1948; the records being lost in a fire at Hope Bay, it was surveyed again by FIDS in 1952. It was named by the UK Antarctic Place-Names Committee for Brian Jefford, a FIDS surveyor at Hope Bay in 1948, and at Admiralty Bay in 1949.
French Passage is a passage through the Wilhelm Archipelago, extending in a northwest–southeast direction between Petermann Island, the Stray Islands, the Vedel Islands and the Myriad Islands to the north and the Argentine Islands, the Anagram Islands, the Roca Islands, and the Cruls Islands to the south. It was so named by the British Graham Land Expedition, 1934–37, because the passage was navigated for the first time in 1909 by the Pourquoi-Pas?, the ship of the French Antarctic Expedition under Jean-Baptiste Charcot. Bradley Rock is an isolated rock which lies about 9 nautical miles (17 km) northwest of the entrance to French Passage.
Cape Gage is a rocky promontory forming the eastern extremity of James Ross Island and the west side of the north entrance to Admiralty Sound. It was discovered by a British expedition, 1839–43, under James Clark Ross, who named it for Vice Admiral William Hall Gage, a Lord Commissioner of the Admiralty.
Gourdon Glacier is a glacier 4 nautical miles (7 km) long on the east side of James Ross Island, flowing southeast into Markham Bay between Saint Rita Point and Rabot Point. It has a conspicuous rock wall at its head. The glacier was first surveyed by the Swedish Antarctic Expedition under Otto Nordenskiöld, 1901–04, who named it for Ernest Gourdon, geologist and glaciologist of the French Antarctic Expedition, 1903–05.
Hamilton Point is a flat-topped point marking the south side of the entrance to Markham Bay on the southeast side of James Ross Island, Antarctica. It was discovered by a British expedition under James Clark Ross, 1839–43, who named it "Cape Hamilton" after Captain William Baillie-Hamilton, Royal Navy, then private secretary to the Earl of Haddington, and later Second Secretary to the Admiralty. The point was first surveyed by the Swedish Antarctic Expedition under Otto Nordenskiöld, 1901–04, and resurveyed by the Falkland Islands Dependencies Survey in 1953, who considered "point" to be a more suitable descriptive term for the feature than "cape".
Howarth Glacier is a small glacier flowing south-southeast to Admiralty Sound along the west side of The Watchtower, in southeastern James Ross Island, Antarctica. It was named by the UK Antarctic Place-Names Committee in 1995 after Michael Kingsley Howarth, Deputy Keeper of Paleontology at the British Museum, 1980–92, and author of the Falkland Islands Dependencies Survey Scientific Report Number 21, Alexander Island.
Hobbs Glacier is a glacier situated in a steep, rock-walled cirque at the northwest side of Hamilton Point, and flowing southeast into the southern part of Markham Bay on the east coast of James Ross Island, Antarctica. It was first seen and surveyed by the Swedish Antarctic Expedition, 1901–04, under Otto Nordenskiöld, who named it for Professor William H. Hobbs, an American geologist and glaciologist.
Rabot Point is a high rocky point on the east side of James Ross Island, Antarctica. It lies in Markham Bay and separates the mouths of Gourdon and Hobbs Glaciers.
Ball Glacier is a small glacier separating Redshaw Point from Hamilton Point, flowing north-east to Markham Bay on the south-east side of James Ross Island. It was named by the UK Antarctic Place-names Committee in 1995 after H. William Ball, Keeper of Paleontology, British Museum, 1966–86, and author of Falklands Islands Dependencies Survey Scientific Report No. 24 on fossils from the James Ross Island area. The region has a low frequency of winds mainly due to the orography of the Antarctic peninsula which affects airflow throughout the region along the eastern coast of the Antarctic Peninsula. The region is moderated by cold air masses passing through the area. They are of continental origins, coming mainly from the south and southwest but can be significantly reduced by the island's advection of oceanic air masses.
Thomas Abernethy was a Scottish seafarer, gunner in the Royal Navy, and polar explorer. Because he was neither an officer nor a gentleman, he was little mentioned in the books written by the leaders of the expeditions he went on, but was praised in what was written. In 1857, he was awarded the Arctic Medal for his service as an able seaman on the 1824–25 voyage of HMS Hecla, the first of his five expeditions for which participants were eligible for the award. He was in parties that, for their time, reached the furthest north, the furthest south (twice), and the nearest to the South Magnetic Pole. In 1831, along with James Clark Ross's team of six, Abernethy was in the first party ever to reach the North Magnetic Pole.
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