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361	high ice hummocks. Although the ice appears to be moving rapidly in this region, the crevassing does not indicate a preferential direction of movement. Bulk ice samples were collected by chipping at locations near statio Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 03:40:53 Glaciology Oates Land Queen Maud Mountains Gould Coast Byrd Glacier Ice sheet Ice core Antarctica Glacier Geography of Antarctica Physical geography Hillary Coast
362	preindustrial atmospheric CO 2 concentration. This value is low but within the limits estimated by other methods. Additional measurements on south polar ice cores should help to confirm this value and show if there were Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 05:01:12 Ice core Incremental dating Water ice Climate history Dye 3 Antarctica Ice age Amundsen–Scott South Pole Station Stratigraphy Physical geography Geochronology Poles
363	transition zone will be less complex, too. At a firn temperature of —50°C, the portion of gases adsorbed at the firn grain surface is expected to be minimal. Therefore, it is believed that gases enclosed in ice sample Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 06:16:48 Incremental dating Water ice Petroleum Oilfield terminology Physical geography Drilling rig Cold Regions Research and Engineering Laboratory Core drill Ross Ice Shelf Geochronology Geology Ice core
364	was spread over the drill stem filling most of the ledges and holes. The rock appears to be basaltic in composition and strongly faceted indicating subglacial transport over a considerable distance (Ridky personal commun Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 07:08:06 Water ice Water well Drilling Geology Core drill Physical geography Technology Koci Cliffs Geochronology Ice core Incremental dating
365	Radar profiling of the ice tongue was supplemented by core drilling in the immediate vicinity of the glacial ice/sea ice contact. Onsite investigations of these cores, together with preliminary studies of crystal structu Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 03:40:26 Poles Geochronology Ice core Incremental dating Vostok Station McMurdo Station Ice McMurdo Sound Antarctica Physical geography Glaciology Extreme points of Earth
366	sional deposition from supercooled fogs (Linkletter and Warburton, 1976), and (2) fresh snowfall in light wind conditions. These enhanced factors are greater than those seen in samples of snow and firn collected from sha Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 03:40:04 Geochronology Ice core Incremental dating Climate history Antarctica Snow Ice shelf Antarctic ice sheet Ross Ice Shelf Physical geography Glaciology Water ice
367	with summer-surface values. In fact, the pockets probably represented summer surface material that was somehow incorporated into the sequence in bulk before any significant mixing occurred. Given the considerable surface Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 15:42:55 Extreme points of Earth Ice core Incremental dating Water ice Byrd Polar Research Center Antarctica Core sample Ross Ice Shelf Pole of inaccessibility Physical geography Poles Geochronology
368	the proximity of the Antarctic Peninsula, the South Shetland Islands and the South Orkney Islands, allowing a much more gradual transition from the deep pack-ice to the open ocean boundary. We wish to thank Brett Castill Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 19:57:44 Sea ice Water Extreme points of Earth Climate Aquatic ecology Ice core Ice Snow Antarctica Physical geography Earth Glaciology
369	There are two striking preliminary results. First, the nearsurface drops as the margin is approached (see figure). This very large effect, one apparently not observed before, is probably due to the ponding of cold air in Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 18:57:21 Extreme points of Earth Ice core Incremental dating Water ice Antarctica West Antarctic Ice Sheet Transantarctic Mountains Glacier Antarctic ice sheet Physical geography Geochronology Glaciology
370	THE WEST ANTARCTIC ICE SHEET AND LONG TERM CLIMATE POLICY An Editorial Comment 1. Introduction Disintegration of the West Antarctic ice sheet (WAIS) has long served as a benchmark of dangerous climate change (Mercer, 196 Add to Reading List Source URL: www.princeton.edu Language: English - Date: 2010-10-27 21:13:01 West Antarctic Ice Sheet Ice shelf Ice sheet Current sea level rise Larsen Ice Shelf Antarctic ice sheet Antarctica Ice core Sea ice Physical geography Glaciology Earth

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