Ice core

Results: 1209



#Item
341E50 / Ice age / E49 / Historical geology / Climate history / Glaciology

103, permitting stratigraphic correlation. Core 109 contains nannofossil ooze of middle to late Miocene age and is unconformably overlain by Quaternary diatomaceous and muddy diatomaceous oozes. The remaining cores shown

Add to Reading List

Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 05:34:08
342Geochronology / Ice core / Incremental dating / Water ice / Antarctica / Argon / Ice shelf / Particulates / Byrd Glacier / Physical geography / Geography of Antarctica / Pollution

John Splettstoesser coordinated our logistical needs. Our field measurements were made by Charles Swithinbank, James Fastook, Tad Pfeffer, Mark Hyland, Jeff Lingham, Henry Brecher, and T. Hughes, with full cooperation of

Add to Reading List

Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 06:17:49
343Earth / Ice core / Incremental dating / Water ice / Dome C / Core sample / Glacier / Snow / Dye 3 / Physical geography / Geology / Geochronology

from depths up to about 2 kilometers were successfully recorded, but noise generated by the computer and by the power supplies drowned out the deeper signals. It is possible, however, that we can recover deeper echoes fr

Add to Reading List

Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 03:27:04
344Glaciology / Inorganic solvents / Atmospheric thermodynamics / Aquatic ecology / Greenhouse gases / Mixed layer / Carbon dioxide / Properties of water / Ice core / Chemistry / Physical geography / Earth

than about 2 kilometers were marked by high freon concentrations (F-li >0.2 picomoles per kilogram) reflecting the admixture of recently ventilated Weddell Sea Bottom Water. South of Maud Rise, in the region of warmer an

Add to Reading List

Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 07:39:30
345Incremental dating / Water ice / Extreme points of Earth / Cold Regions Research and Engineering Laboratory / Antarctica / Ross Ice Shelf / Dome C / Greenland Ice Sheet Project / Physical geography / Geochronology / Ice core

operated in the field in Antarctica. Since this equipment requires much smaller samples, it will be possible to increase the resolution with which the yearly snow layers can be examined by a factor of at least five over

Add to Reading List

Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 05:47:08
346Ice core / Glaciology / Glacier / Antarctica / Shabtaie Ice Ridge / Physical geography / Whillans Ice Stream / Mercer Ice Stream

Ice stream C, which is next to ice stream B, is in contrast, virtually stagnant. Its velocity is less than 10 meters per year (McDonald and Whillans, in press), and it must be thickening. The net mass accumulation for th

Add to Reading List

Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 15:41:32
347Andvord Bay / Andvord / Lester Cove / Bathymetry / Antarctica / Antarctic Peninsula / Ice shelf / Physical geography / Geography of Antarctica / Danco Coast

This association of grain size and magnetic susceptibility intensity in the core scanning data can yield important preliminary evidence concerning the size and composition of antarctic glacial-marine sediment. For exampl

Add to Reading List

Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 20:31:07
348Geography of Antarctica / Whillans Ice Stream / Ice core / Mercer Ice Stream / Ice rise / Ice age / Ross Ice Shelf / Ice sheet dynamics / Ice sheet / Physical geography / Glaciology / Water ice

phy was directed largely to determining if annual strata can be reliably counted (with a view to possible deep drilling later). The strain grid at the Upstream B camp was remeasured (figure). The weather at the camps sho

Add to Reading List

Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 18:00:32
349Water / Taylor Glacier / Lake Bonney / Seawater / Glacier / Antarctica / Ice core / SY Aurora / Physical geography / Geography of Antarctica / McMurdo Dry Valleys

tion might have penetrated into the interior of the ice core. The outer annulus had a thickness of approximately 1 cm and the second annulus had a thickness of about 1.5 cm. The innermost cylinder had a diameter of rough

Add to Reading List

Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 03:40:32
350Lead / Volcano / Aerosol / Snow / Paleoclimatology / Geology / Chemistry / Clair Cameron Patterson

PICO personnel participating in the ice-core drilling project on the east antarctic plateau were John Litwak, Jay Sonderup, and Bruce Koci, while Brian Farleigh and Karl Kuivinen did the Byrd Station casing extension pro

Add to Reading List

Source URL: s3.amazonaws.com

Language: English - Date: 2011-05-06 15:43:08
UPDATE