Riptide Cirque
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Eastwind Ridge () is a broad, partially ice-covered ridge about long between Chattahoochee Glacier and Towle Glacier in the Convoy Range of Antarctica.


Exploration and naming

Eastwind Ridge was mapped by the
United States Geological Survey The United States Geological Survey (USGS), founded as the Geological Survey, is an agency of the U.S. Department of the Interior whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on Mar ...
(USGS) from ground surveys and Navy air photos. It was named by the United States
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 ...
(US-ACAN) in 1964 for the USCGC ''Eastwind'', an icebreaker in several American convoys into
McMurdo Sound The McMurdo Sound is a sound in Antarctica, known as the southernmost passable body of water in the world, located approximately from the South Pole. Captain James Clark Ross discovered the sound in February 1841 and named it after Lieutenant ...
since the 1958–59 season.


Features


Mount Schmidtman

A peak to the north of Mount Naab at the northeast end of Eastwind Ridge. Named in association with Eastwind Ridge after Captain R.D. Schmidtman, United States Coast Guard (USCG), commander of the icebreaker USCGC ''Eastwind'' in the Ross Seas Ship Group in
Operation Deep Freeze Operation Deep Freeze is the code name for a series of United States missions to Antarctica, beginning with "Operation Deep Freeze I" in 1955–56, followed by "Operation Deep Freeze II", "Operation Deep Freeze III", and so on. (There was an init ...
, 1960.


Drifter Cirque

A cirque between Mount Schmidtman and Mount Naab at the northeast end of Eastwind Ridge. Iceflow from Eastwind Ridge is insufficient to carry surficial moraine away into
Fry Glacier Fry Glacier () is a glacier draining the slopes at the northeast corner of the Convoy Range and flowing along the south end of the Kirkwood Range into Tripp Bay, Victoria Land, Antarctica. It was first charted by the British Antarctic Expeditio ...
and moraines lie in a tangled eddy. So named by New Zealand Geographic Board (NZGB) which also considered the name Eddy Cirque.


Mount Naab

. A mountain, high, which surmounts the east part of Eastwind Ridge. Mapped by USGS from ground swveys and Navy air photos. Named by US-ACAN in 1964 for Captain Joseph Naab, Jr., USCG, commanding officer of the icebreaker Eastwind during 1961 and 1962.


Riptide Cirque

. A glacial cirque on the south wall of Eastwind Ridge immediately west of Mount Naab. Icefalls at the head provide the main ice flow into the Towle Glacier. One of the nautical names in Convoy Range. The name was applied by a 1989-90 NZARP field party to describe the fastest flowing tributary to Towle Glacier.


Slackwater Cirque

. The westernmost cirque on Eastwind Ridge which is connected to the "dead" western terminus of Towle Glacier. So little ice from Eastwind Ridge enters the cirque that it barely makes any contribution to the west end of the Towle Glacier and arcuate supraglacial moraines remain drifting within the cirque. So named by a 1989-90 NZARP field party to describe the sluggish ice flow of this cirque.


Nearby features


Wyandot Ridge

. A rocky ridge at the west side of Chattahoochee Glacier. It extends northward from the northwest end of the Convoy Range. Mapped by the USGS from ground surveys and Navy air photos. Named in 1964 by US-ACAN after the USS Wyandot, a cargo vessel in the American convoy to McMurdo Sound in several years beginning with the 1955–56 season.


References


Sources

* * * {{Include-USGov , agency=United States Geological Survey Ridges of Victoria Land Scott Coast