Knob Lake
Encyclopedia
Knob Lake is the central lake
in Three Lakes Valley in northeast Signy Island
. The name was given to the lake by the United Kingdom Antarctic Place-Names Committee (UK-APC) because there is a glacier
-scoured rock knob forming a small island
near the south end of the lake.
Lake
A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...
in Three Lakes Valley in northeast Signy Island
Signy Island
Signy Island is a small sub-antarctic island in the South Orkney Islands group locted at . It is about long and wide and rises to above sea level. Much of the island is permanently covered with ice. The average temperature range is to about in winter...
. The name was given to the lake by the United Kingdom Antarctic Place-Names Committee (UK-APC) because there is a glacier
Glacier
A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...
-scoured rock knob forming a small island
Island
An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...
near the south end of the lake.