Miller Ice Rise

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Miller Ice Rise ( 69°5′S67°37′W / 69.083°S 67.617°W / -69.083; -67.617 Coordinates: 69°5′S67°37′W / 69.083°S 67.617°W / -69.083; -67.617 ) is an ice rise nearly 2 nautical miles (4 km) long and 1 nautical mile (2 km) wide at the ice front (1974) of the Wordie Ice Shelf, 16 nautical miles (30 km) west-northwest of the Triune Peaks, in southern Marguerite Bay, Antarctica. It was surveyed by the Falkland Islands Dependencies Survey in 1948–49, and was photographed from the air by the U.S. Navy in 1966. The feature was named, in 1977, by the Advisory Committee on Antarctic Names for Richard Miller, a U.S. Navy chief radioman at Palmer Station in the winter party of 1968. [1]

Geographic coordinate system Coordinate system

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.

Ice rise an elevation of the otherwise totally flat ice shelf

An ice rise is a clearly defined elevation of the otherwise totally flat ice shelf, typically dome-shaped and rising 100 to 200 metres above the surrounding ice shelf. An ice rise forms where the ice shelf touches the rocky seabed because of an elevation in the seabed that remains below sea level.. The ice shelf flows over the seabed elevation, completely covering it with ice, thereby forming an ice rise. The resulting tension forms crevasses around the ice rise.

Wordie Ice Shelf ice shelf in Antarctica

The Wordie Ice Shelf was a confluent glacier projecting as an ice shelf into the SE part of Marguerite Bay between Cape Berteaux and Mount Edgell, along the western coast of Antarctic Peninsula.

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References

PD-icon.svg This article incorporates  public domain material from the United States Geological Survey document "Miller Ice Rise" (content from the Geographic Names Information System ).

United States Geological Survey Scientific agency of the United States government

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.

Geographic Names Information System geographical database

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.