Helle Slope ( 71°25′S5°15′E / 71.417°S 5.250°E Coordinates: 71°25′S5°15′E / 71.417°S 5.250°E ) is a large ice piedmont along the coast of Queen Maud Land, Antarctica, lying east of Jutulstraumen Glacier and north of the Mühlig-Hofmann Mountains. It was photographed from the air by the Third German Antarctic Expedition (1938–39); it was mapped by Norwegian cartographers from surveys and air photos by the Norwegian–British–Swedish Antarctic Expedition (1949–52) and from air photos by the Norwegian expedition (1958–59), and was named for Sigurd Helle, leader of the 1957 Norwegian expedition to Queen Maud Land. [1]
A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined three-dimensional Cartesian vector. A common choice of coordinates is latitude, longitude and elevation. To specify a location on a plane requires a map projection.
An ice piedmont consists of "Ice covering a coastal strip of low-lying land backed by mountains."
Queen Maud Land is a c. 2.7 million square kilometre (1.04 million sq mi) region of Antarctica claimed as a dependent territory by Norway. The territory lies between 20° west and 45° east, between the claimed British Antarctic Territory to the west and the similarly claimed Australian Antarctic Territory to the east. On most maps there had been an unclaimed area between Queen Maud Land's borders of 1939 and the South Pole until 12 June 2015 when Norway formally annexed that area. Positioned in East Antarctica, the territory comprises about one-fifth of the total area of Antarctica. The claim is named after the Norwegian queen Maud of Wales (1869–1938).
The Drygalski Mountains are a group of scattered mountains and nunataks lying between the Filchner Mountains and the Kurze Mountains in the Orvin Mountains of Queen Maud Land. They were discovered by the Third German Antarctic Expedition (1938–1939), led by Captain Alfred Ritscher, and named for Professor Erich von Drygalski, the leader of the First German Antarctica Expedition of 1901-03. They were remapped from air photos and survey by the Sixth Norwegian Antarctic Expedition, 1956–60.
Ahlmann Ridge, also known as Ahlmannryggen, is a broad, mainly ice-covered ridge, about 110 km (70 mi) long, surmounted by scattered, low peaks. It rises between Schytt Glacier and Jutulstraumen Glacier and extends from Borg Massif northward to Fimbul Ice Shelf in Queen Maud Land. The area was first photographed from aircraft of the Third German Antarctic Expedition (1938–39) and peaks in this vicinity were roughly plotted. The Stein Nunataks and Witte Peaks, named by the German Antarctic Expedition, appear to coincide with the northeast part of the Ahlmann Ridge. The feature was mapped in detail from surveys and air photos by the Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–1952) and air photos by the Norwegian expedition (1958–59). Named for Hans Wilhelmsson Ahlmann, chairman of the Swedish committee for the NBSAE.
Lunde Glacier is a glacier about 25 nautical miles (46 km) long flowing northwest between Håhellerskarvet and Jøkulkyrkja Mountain in the Mühlig-Hofmann Mountains of Queen Maud Land. It is located in the Princess Astrid Coast of the Norwegian Antarctic Territory.
Botnfjellet Mountain is a mountain, 2,750 metres (9,020 ft) high, forming the northeast and east walls of Livdebotnen Cirque in the Humboldt Mountains of Queen Maud Land. It was discovered and photographed by the Third German Antarctic Expedition, 1937–39. It was mapped by Norway from air photos and surveys by the Sixth Norwegian Antarctic Expedition, 1956–60, and named "Botnfjellet".
Brattskarvbrekka Pass is an east-west pass between Brattskarvet Mountain and Vendeholten Mountain, in the Sverdrup Mountains, Queen Maud Land. It was photographed from the air by the Third German Antarctic Expedition (1938–39), and mapped by Norwegian cartographers from surveys and air photos by the Norwegian–British–Swedish Antarctic Expedition (1949–52) and from air photos by the Norwegian expedition (1958–59) and named Brattskarvbrekka.
The Gruber Mountains are a small group of mountains consisting of a main massif and several rocky outliers, forming the northeast portion of the Wohlthat Mountains in Queen Maud Land, Antarctica. They were discovered and plotted from air photos by the Third German Antarctic Expedition (GerAE), 1938–39, under Alfred Ritscher. The mountains were remapped by the Sixth Norwegian Antarctic Expedition, 1956–60, who named them for Otto von Gruber, the German cartographer who compiled maps of this area from air photos taken by the GerAE. This feature is not to be confused with "Gruber-Berge," an unidentified toponym applied by the GerAE in northern the Mühlig-Hofmann Mountains.
Dekefjellet Mountain is an elongated mountain, about 3 nautical miles (6 km) long and surmounted by Kamskaya Peak, standing 1.5 nautical miles (3 km) west of Skavlrimen Ridge in the Weyprecht Mountains, Queen Maud Land. The feature is partly rock and partly covered with snow. It was discovered and plotted from air photos by the Third German Antarctic Expedition, 1938–39. The mountain was replotted from air photos and surveys by the Sixth Norwegian Antarctic Expedition, 1956–60, and named Dekefjellet.
Styggebrekka Crevasses is a crevasse field near the center of Austreskorve Glacier, in the Muhlig-Hofmann Mountains of Queen Maud Land. Plotted from surveys and air photos by Norwegian Antarctic Expedition (1956–60) and named Styggebrekka.
Storsåtklubben Ridge is a ridge, 3 nautical miles (5.6 km) long, located 5 nautical miles (9.3 km) northeast of Mount Hansen in the Mittlere Petermann Range, in the Wohlthat Mountains of Queen Maud Land. It was discovered and plotted from air photos by the German Antarctic Expedition of 1938-39 and replotted from air photos and surveys by the Norwegian Antarctic Expedition in 1956–60, and named Storsåtklubben'.
Straumsida Bluff is an ice-covered bluff about 25 nautical miles (46 km) long, rising as part of the east slope of Ahlmann Ridge and overlooking the terminus of Jutulstraumen Glacier, in Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–52) and air photos by the Norwegian expedition (1958–59) and named Straumsida.
Flogeken Glacier is a deeply entrenched glacier, flowing northwest between Mount Grytoyr and Langfloget Cliff, in the Mühlig-Hofmann Mountains of Queen Maud Land, Antarctica. it was mapped by Norwegian cartographers from surveys and air photos by the Sixth Norwegian Antarctic Expedition (1956–60) and named Flogeken.
Mirazh Mountain is a peak rising to 1,485 metres (4,870 ft) on the north-central part of Steinmulen Shoulder in the Gruber Mountains of Queen Maud Land, Antarctica. It was discovered and plotted from air photos by Third German Antarctic Expedition in 1938–39, and was mapped from air photos and surveys by the Sixth Norwegian Antarctic Expedition, 1956–60. The mountain was remapped by the Soviet Antarctic Expedition in 1960–61, and named "Gora Mirazh".
Steinmulen Shoulder is a rock shoulder extending north from Mount Zimmermann in the Gruber Mountains of the Wohlthat Mountains, Queen Maud Land. Discovered and plotted from air photos by German Antarctic Expedition, 1938-39. Replotted from air photos and surveys by Norwegian Antarctic Expedition, 1956–60, and named Steinmulen.
Sjøbotnen Cirque is the prominent cirque in the north face of the main massif of the Gruber Mountains, situated immediately east of Mount Zimmermann, in the Wohlthat Mountains of Queen Maud Land. It was discovered and plotted from air photos by the German Antarctic Expedition of 1938-39, and replotted from air photos and surveys by the Norwegian Antarctic Expedition, 1956–60, and named Sjøbotnen because the inner part of the feature is occupied by a sizable lake.
Skarsbrotet Glacier is a cirque-type glacier draining the east slopes of Skarshaugane Peaks, in the Humboldt Mountains of Queen Maud Land. Discovered and photographed by the German Antarctic Expedition, 1938-39. Mapped by Norway from air photos and surveys by the Norwegian Antarctic Expedition, 1956–60, and named Skarsbrotet.
Slalåma Slope is a steep ice slope on the northeast side of Borg Mountain, in the Borg Massif of Queen Maud Land. It was mapped by Norwegian cartographers from surveys and air photos by the Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–52) and named Slalåma.
Kamskaya Peak is, at 2,690 metres (8,830 ft), the highest peak of Dekefjellet Mountain in the Weyprecht Mountains of Queen Maud Land, Antarctica. It was discovered and plotted from air photos by the Third German Antarctic Expedition, 1938–39, and was mapped from air photos and surveys by the Sixth Norwegian Antarctic Expedition, 1956–60. it was remapped by the Soviet Antarctic Expedition, 1960–61, and possibly named after the Kama River in Russia.
Vindegghallet Glacier is a glacier flowing west for 4 nautical miles (7 km) along the south side of Mount Flanuten in the Humboldt Mountains of Queen Maud Land. Discovered and photographed by the German Antarctic Expedition, 1938-39. Mapped by Norway from air photos and surveys by Norwegian Antarctic Expedition, 1956–60, and named Vindegghallet in association with nearby Vindegga Spur.
Rindehallet Slope is an ice slope between Isingen Mountain and Egil Peak in the Sverdrup Mountains, Queen Maud Land. Photographed from the air by the German Antarctic Expedition (1938–39). Mapped by Norwegian cartographers from surveys and air photos by Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–52) and air photos by the Norwegian expedition (1958–59) and named Rindehallet.
The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology, geography, geology, and hydrology. The USGS is a fact-finding research organization with no regulatory responsibility.
The Geographic Names Information System (GNIS) is a database that contains name and locative information about more than two million physical and cultural features located throughout the United States of America and its territories. It is a type of gazetteer. GNIS was developed by the United States Geological Survey in cooperation with the United States Board on Geographic Names (BGN) to promote the standardization of feature names.
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