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Crevasse Valley Glacier
Crevasse Valley Glacier () is a broad glacier about long, flowing west-southwest between the Chester Mountains and the Saunders Mountain to the Sulzberger Ice Shelf in Marie Byrd Land, Antarctica. It was discovered by a sledging party of the Byrd Antarctic Expedition, which visited this area in November–December 1934, and so named because of its extensively crevassed surface. See also * List of glaciers in the Antarctic * 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, c ... References * Glaciers of Marie Byrd Land {{MarieByrdLand-glacier-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antarctica
Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest continent, being about 40% larger than Europe, and has an area of . Most of Antarctica is covered by the Antarctic ice sheet, with an average thickness of . Antarctica is, on average, the coldest, driest, and windiest of the continents, and it has the highest average elevation. It is mainly a polar desert, with annual precipitation of over along the coast and far less inland. About 70% of the world's freshwater reserves are frozen in Antarctica, which, if melted, would raise global sea levels by almost . Antarctica holds the record for the lowest measured temperature on Earth, . The coastal regions can reach temperatures over in summer. Native species of animals include mites, nematodes, penguins, seals and tardigrades. Where vegetation o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marie Byrd Land
Marie Byrd Land (MBL) is an unclaimed region of Antarctica. With an area of , it is the largest unclaimed territory on Earth. It was named after the wife of American naval officer Richard E. Byrd, who explored the region in the early 20th century. The territory lies in West Antarctica, east of the Ross Ice Shelf and the Ross Sea and south of the Pacific Ocean portion of the Southern Ocean, extending eastward approximately to a line between the head of the Ross Ice Shelf and Eights Coast. It stretches between 158°W and 103°24'W. The inclusion of the area between the Rockefeller Plateau and Eights Coast is based upon Byrd's exploration. Overview Because of its remoteness, even by Antarctic standards, most of Marie Byrd Land (the portion east of 150°W) has not been claimed by any sovereign state. It is by far the largest single unclaimed territory on Earth, with an area of (including Eights Coast, immediately east of Marie Byrd Land). In 1939, United States President Frankl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sulzberger Bay
Sulzberger Bay () is a bay between Fisher Island and Vollmer Island, along the coast of King Edward VII Land. Discovered by the Byrd Antarctic Expedition on December 5, 1929, and named by Byrd for Arthur H. Sulzberger, publisher of ''The New York Times'', a supporter of the Byrd expeditions in 1928–1930 and 1933–1935. The Sulzberger Bay indents the front of the Sulzberger Ice Shelf (), an ice shelf about long and wide bordering the coast of Marie Byrd Land between Edward VII Peninsula and Guest Peninsula. The ice shelf was observed and roughly mapped by the Byrd Antarctic Expedition (1928–1930). Sulzberger Basin () is an undersea basin on the central Ross shelf named in association with the Sulzberger Bay. Iceberg formation The ice shelf released icebergs within a day of the 2011 Tōhoku earthquake and tsunami. Scientists have linked the ice calving to the tsunami reaching the ice shelf, some away from the earthquake epicenter. The main iceberg was approximately th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 distinguishing features, such as Crevasse, crevasses and Serac, seracs, as it slowly flows and deforms under stresses induced by its weight. As it moves, it abrades rock and debris from its substrate to create landforms such as cirques, moraines, or fjords. Although a glacier may flow into a body of water, it forms only on land and is distinct from the much thinner sea ice and lake ice that form on the surface of bodies of water. On Earth, 99% of glacial ice is contained within vast ice sheets (also known as "continental glaciers") in the polar regions, but glaciers may be found in mountain ranges on every continent other than the Australian mainland, including Oceania's high-latitude oceanic island countries such as New Zealand. Between lati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chester Mountains
The Chester Mountains () are a group of mountains just north of the mouth of Crevasse Valley Glacier and north of Saunders Mountain in the Ford Ranges of Marie Byrd Land. They were mapped by the Byrd Antarctic Expedition (1933–35) and named for Colby M. Chester, president of General Foods Corporation General Foods Corporation was a company whose direct predecessor was established in the United States by Charles William Post as the Postum Cereal Company in 1895. The company changed its name to "General Foods" in 1929, after several corporate ..., who gave generous support to the Byrd expeditions. References Ford Ranges {{MarieByrdLand-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Saunders Mountain
Saunders Mountain () is a massive islandlike mountain rising to 975 m at the west end of Denfeld Mountains, Ford Ranges, on the Saunders Coast, Marie Byrd Land. Discovered by the Byrd Antarctic Expedition on an aerial flight of December 5, 1929, and named by R. Admiral Byrd after Captain Harold E. Saunders, U.S. Navy (1890–1961), naval architect, cartographer and toponymist; chief cartographer of the Byrd Antarctic Expedition of 1928-30 and 1933–35, who compiled maps of this coast from aerial photographs obtained by the Byrd expeditions; Technical Director, David Taylor Model Basin The David Taylor Model Basin (DTMB) is one of the largest ship model basins—test facilities for the development of ship design—in the world. DTMB is a field activity of the Carderock Division of the Naval Surface Warfare Center. Hist ..., Carderock, MD, 1940-46 (Director, 1946–47); Consultant to Bureau of Ships, U.S. Navy, to 1961; member of US-SCAN, 1943–46; Chairman, Advisory ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sulzberger Ice Shelf
Sulzberger (German: habitational name for someone from a place called Sulzberg) is a surname. Notable people with the surname include: * Arthur Hays Sulzberger (1891–1968), publisher of ''The New York Times'' from 1935 to 1961 * Arthur Ochs Sulzberger (1926–2012), publisher of ''The New York Times'' from 1963 to 1992 * Arthur Ochs Sulzberger Jr. (born 1951), publisher of ''The New York Times'' from 1992 to 2017 * Arthur Gregg Sulzberger (born 1980), publisher of ''The New York Times'' since 2018 * Mayer Sulzberger (1843-1923), American judge and Jewish communal leader * Cyrus Leopold Sulzberger (1858-1932), American merchant and philanthropist * Cyrus Leo Sulzberger II Cyrus Leo Sulzberger II (October 27, 1912 – September 20, 1993) was an American journalist, diarist, and non-fiction writer. He was a member of the family that owned ''The New York Times'' and he was that newspaper's lead foreign correspondent d ... (1912–1993), American journalist, diarist, and non-fictio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Byrd Antarctic Expedition
Richard Evelyn Byrd Jr. (October 25, 1888 – March 11, 1957) was an American naval officer and explorer. He was a recipient of the Medal of Honor, the highest honor for valor given by the United States, and was a pioneering American aviator, polar explorer, and organizer of polar logistics. Aircraft flights in which he served as a navigator and expedition leader crossed the Atlantic Ocean, a segment of the Arctic Ocean, and a segment of the Antarctic Plateau. Byrd said that his expeditions had been the first to reach both the North Pole and the South Pole by air. His belief to have reached the North Pole is disputed. He is also known for discovering Mount Sidley, the largest dormant volcano in Antarctica. Family Ancestry Byrd was born in Winchester, Virginia, the son of Esther Bolling (Flood) and Richard Evelyn Byrd Sr. He was a descendant of one of the First Families of Virginia. His ancestors include planter John Rolfe and his wife Pocahontas, William Byrd II of Westover Pl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crevasse
A crevasse is a deep crack, that forms in a glacier or ice sheet that can be a few inches across to over 40 feet. Crevasses form as a result of the movement and resulting stress associated with the shear stress generated when two semi-rigid pieces above a plastic substrate have different rates of movement. The resulting intensity of the shear stress causes a breakage along the faces. Description Crevasses often have vertical or near-vertical walls, which can then melt and create seracs, arches, and other ice formations. These walls sometimes expose layers that represent the glacier's stratigraphy. Crevasse size often depends upon the amount of liquid water present in the glacier. A crevasse may be as deep as 45 metres and as wide as 20 metres. by |
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. The lists include outlet glaciers, valley glaciers, cirque glaciers, tidewater glaciers and ice streams. Ice streams are a type of glacier and many of them have "glacier" in their name, e.g. Pine Island Glacier. Ice shelves are listed separately in the List of Antarctic ice shelves. For the purposes of these lists, the Antarctic is defined as any latitude further south than 60° (the continental limit according to the Antarctic Treaty System). List by letters * List of glaciers in the Antarctic: A–H * List of glaciers in the Antarctic: I–Z See also * List of Antarctic and subantarctic islands * List of Antarctic ice rises * List of Antarctic ice shelves * List of Antarctic ice streams * List of glaciers * List of subantar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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, climatology, meteorology, hydrology, biology, and ecology. The impact of glaciers on people includes the fields of human geography and anthropology. The discoveries of water ice on the Moon, Mars, Europa and Pluto add an extraterrestrial component to the field, which is referred to as "astroglaciology". Overview A glacier is an extended mass of ice formed from snow falling and accumulating over a long period of time; glaciers move very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of accumulation, as in continental glaciers. Areas of study within glaciology include glacial history and the reconstruction of past glaciation. A glaciologist is a person who studies glaciers. A glacial geologist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
