Harker Glacier
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Harker Glacier is a tidewater
glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its Ablation#Glaciology, ablation over many years, often Century, centuries. It acquires dis ...
on South Georgia Island in the southern
Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe ...
. Harker glacier was first mapped by the Swedish Antarctic Expedition (1901-1904), and named De Geer Glacier, after
Gerard De Geer Baron Gerard Jacob De Geer (20 November 1858 – 24 July 1943) was a Swedish geologist who made significant contributions to Quaternary geology, particularly geomorphology and geochronology. De Geer is best known for his work on varves. In 1890 D ...
(1858-1943), a
Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...
geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, althou ...
who specialized in
geomorphology Geomorphology (from Ancient Greek: , ', "earth"; , ', "form"; and , ', "study") is the scientific study of the origin and evolution of topographic and bathymetric features created by physical, chemical or biological processes operating at or n ...
and geochronology. It was remapped in 1912 by David Ferguson, and renamed for Alfred Harker (1859-1939), an
English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...
geologist who specialised in
petrology Petrology () is the branch of geology that studies rocks and the conditions under which they form. Petrology has three subdivisions: igneous, metamorphic, and sedimentary petrology. Igneous and metamorphic petrology are commonly taught together ...
and petrography. The valley in which Harker Glacier is located drains from south to north out of the
Allardyce Range The Allardyce Range ( es, Cordillera de San Telmo) is a mountain range rising south of Cumberland Bay and dominating the central part of South Georgia, a UK overseas territory. It extends for from Mount Globus in the northwest to Mount Brooke ...
into Moraine Fjord in the eastern side of
Cumberland Bay Cumberland Bay is a bay, wide at its entrance between Larsen Point and Barff Point, which separates into two extensive arms, Cumberland West Bay and Cumberland East Bay, which recede inland along the northern coast of South Georgia. It ...
, south of
Grytviken Grytviken ( ) is a settlement on South Georgia in the South Atlantic and formerly a whaling station and the largest settlement on the island. It is located at the head of King Edward Cove within the larger Cumberland East Bay, considered the b ...
, the principal settlement of the island. Harker Glacier is a tidewater glacier that contributes
iceberg An iceberg is a piece of freshwater ice more than 15 m long that has broken off a glacier or an ice shelf and is floating freely in open (salt) water. Smaller chunks of floating glacially-derived ice are called "growlers" or "bergy bits". The ...
s to the bay. The glacier has not changed significantly since the 1970s, but is further advanced than when it was photographed by Frank Hurley in 1914."''Scotia'' Centenary Antarctic Expedition (2002-2003)"
Royal Scottish Geographical Society, Glasgow, United Kingdom, pp. 5-6.


See also

*
List of glaciers in the Antarctic There are many glaciers in the Antarctic. This set of lists does not include ice sheets, ice caps or ice fields, such as the Antarctic ice sheet, but includes glacial features that are defined by their flow, rather than general bodies of ice. Th ...
*
Glaciology Glaciology (; ) is the scientific study of glaciers, or more generally ice and natural phenomena that involve ice. Glaciology is an interdisciplinary Earth science that integrates geophysics, geology, physical geography, geomorphology, climato ...


References


External links


British Antarctic Service Metadata Management System Gazeteer
entry for Harker Glacier.
Photo of Harker Glacier
moraine visible.

of the calving terminus of Harker Glacier. Glaciers of South Georgia {{SouthGeorgia-glacier-stub