Ice shelf

Results: 758



#Item
171Andvord 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

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Language: English - Date: 2011-05-06 20:31:07
172British Antarctic Territory / Chilean Antarctic Territory / Antarctica / Larsen Ice Shelf / Ice shelf / Antarctic Peninsula / Continental shelf / Ross Ice Shelf / Filchner-Ronne Ice Shelf / Geography of Antarctica / Physical geography / Argentine Antarctica

RlV Nathaniel B. Palmer NBP93-1 cruise to the Larsen Ice Shelf region of the Antarctic Peninsula BENJAMIN J. SLOAN, Department of Geological Sciences, University of Texas, Austin, TexasLAWRENCE A. LAW yER, Instit

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Language: English - Date: 2011-05-06 18:40:53
173Geography 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

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Language: English - Date: 2011-05-06 18:00:32
174Geophysical survey / Plate tectonics / Structural geology / Aeromagnetic survey / Geomagnetism / Mineral exploration / Rift / Ice shelf / Antarctica / Physical geography / Geology / Geophysics

Marine geology and geophysics Marine magnetic and aeromagnetic evidence for late Cenozoic submarine and subglacial volcanism in the west antarctic rift system JOHN C. BEHRENDT, U.S. Geological Survey, Regional Geophysics

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Language: English - Date: 2011-05-06 18:58:33
175Antarctic region / Antarctica / Continents / Poles / West Antarctic Ice Sheet / Ice age / Plate tectonics / Ice shelf / Antarctic Peninsula / Physical geography / Earth / British Antarctic Territory

In summary, this study provides us with a detailed image of the lower crust beneath an extensional basin located within a large-scale continental rift zone. Assuming that the original crustal thickness beneath the Ross S

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Language: English - Date: 2011-05-06 18:58:47
176Water masses / Antarctica / Chilean Antarctic Territory / Filchner-Ronne Ice Shelf / Weddell Sea Bottom Water / Antarctic Bottom Water / Weddell Sea / Sea ice / Weddell / Physical geography / Argentine Antarctica / British Antarctic Territory

bottom water out of the Weddell Sea and, thus, to estimate the formation rate of Antarctic Bottom Water. Unfortunately, we were once again frustrated in our recovery attempts. The acoustic releases that we planned to use

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Language: English - Date: 2011-05-06 18:58:00
177Ice core / Incremental dating / Water ice / Dome C / Ross Ice Shelf / Antarctica / Claude Lorius / Physical geography / Extreme points of Earth / Geochronology

Several miscellaneous experiments were carried out. A transmit/receive switch was developed, but it provided only about 12 decibels of isolation and was abandoned. A 10-meter core was recovered and will be used for labor

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Language: English - Date: 2011-05-06 05:46:17
178Biological oceanography / Diatom / Planktology / McMurdo Sound / McMurdo Dry Valleys / Micropaleontology / Antarctica / McMurdo Ice Shelf / Ross Ice Shelf / Geography of Antarctica / Physical geography / Antarctic region

The longest core was 125 centimeters and the shortest was 16 centimeters. Most of the cores were taken with the heavier Ocean Seismic corer, and this device provided cores with a diameter of 8 centimeters. The Benthos co

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Language: English - Date: 2011-05-06 03:28:50
179Earth / Radioglaciology / Glacier / Antarctica / West Antarctic Ice Sheet / Ice / Antarctic ice sheet / Ross Ice Shelf / Cryosphere / Physical geography / Glaciology / Water ice

track) completed over Dufek Massif as part of a cooperative program with the U.S. Geological Survey to investigate the regional extent and detailed magnetic and sub-ice structure of this large, layered igneous intrusion

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Language: English - Date: 2011-05-06 03:41:29
180Metamorphic rocks / Granulite / Structural geology / Amphibolite / Balchen Mountain / Metamorphism / Byrdbreen / Geology / Metamorphic petrology / Princess Ragnhild Coast

lengths of interest (>15 kilometers). The pressure altimetry proved unnecessary except to connect the radar data across the bergs and over the grounded ice shelf. Because the radar is considerably more accurate than the

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Language: English - Date: 2011-05-06 07:07:04
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