Dibble Glacier in Antarctica is a prominent channel
glacier
A glacier (; or ) is a persistent body of dense ice, a form of rock, that is constantly moving downhill under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires ...
flowing from the continental ice and terminating in a prominent tongue at the east side of
Davis Bay
Davis Bay is a bay about wide at the entrance between Cape Cesney and Lewis Island in Antarctica
Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrou ...
. It was delineated from air photos taken by
U.S. Navy Operation Highjump (1946–47), and named by the
Advisory Committee on Antarctic Names
The Advisory Committee on Antarctic Names (ACAN or US-ACAN) is an advisory committee of the United States Board on Geographic Names responsible for recommending commemorative names for features in Antarctica.
History
The committee was established ...
for
Jonas Dibble, ship's carpenter on the sloop
''Peacock'' of the
United States Exploring Expedition
The United States Exploring Expedition of 1838–1842 was an exploring and surveying expedition of the Pacific Ocean and surrounding lands conducted by the United States. The original appointed commanding officer was Commodore Thomas ap Catesby ...
(1838–42) under
Charles Wilkes
Charles Wilkes (April 3, 1798 – February 8, 1877) was an American naval officer, ship's captain, and List of explorers, explorer. He led the United States Exploring Expedition (1838–1842).
During the American Civil War between 1861 and 1865 ...
. Dibble is credited with leaving his sick bed and working 24 hours without relief with other carpenters to repair a broken rudder on the ''Peacock'', when the ship was partially crushed in an ice bay in 151°19′E and forced to retire northward.
[
]
Important Bird Area
A 500 ha site on fast ice about 5 km from the north-eastern margin of the glacier has been designated an Important Bird Area
An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations.
IBA was developed and sites are identified by BirdLife Int ...
(IBA) by BirdLife International
BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding i ...
because it supports a breeding colony of emperor penguin
The emperor penguin (''Aptenodytes forsteri'') is the tallest and heaviest of all living penguin species and is Endemism in birds, endemic to Antarctica. The male and female are similar in plumage and size, reaching in length and weighing fr ...
s, with an estimate of some 12,500 individuals based on 2009 satellite imagery.[ ]
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 ...
* 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, clim ...
References
External links
*
Important Bird Areas of Antarctica
Penguin colonies
Glaciers of Wilkes Land
{{WilkesLand-glacier-stub