The Meters

Results: 859



#Item
241Climate history / Geochronology / Thermodynamics / Ice core / Incremental dating / Water ice / Temperature / Climate / Ice / Atmospheric sciences / Meteorology / Optical materials

In conclusion, microparticle analysis of 39 sections of the 416meter core from J-9 reveals a substantial increase in particle concentrations between 275 and 350 meters; the increase is believed to signal the presence of

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Language: English - Date: 2011-05-06 05:46:56
242Byrd Polar Research Center / Glacier / Greenland ice sheet / West Antarctic Ice Sheet / Antarctica / Shabtaie Ice Ridge / Physical geography / Glaciology / Whillans Ice Stream

relative movement of the reflecting surface. Since the ice is moving at about 1.5 meters per day and the experimental resolution was about 1 meter, the implication is that the reflecting surface, which we presume to be t

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Language: English - Date: 2011-05-06 07:07:49
243Taxonomy / Antarctic krill / Euphausia / Swarm behaviour / Biomass / Copepod / Plankton / Thysanoessa raschii / Edward Brinton / Krill / Biology / Phyla

Sampling localities ranged from the Argentine Islands in the south, to the Bransfield Strait and Hope Bay (Bahia Esperanza) in the north. A total of 17 trawl stations were made at depths ranging from 30 to 676 meters. At

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Language: English - Date: 2011-05-06 05:05:35
244Ice shelf / Ice rise / Ross Ice Shelf / Ice sheet / Sea ice / Ice / West Antarctic Ice Sheet / Glacier / Polar ice packs / Glaciology / Physical geography / Water ice

ice is the only horizontal boundary observed in the six meters of sea ice. This dramatic change must be related to a sudden and significant change in growth conditions at the base of the shelf. The most probable cause wa

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Language: English - Date: 2011-05-06 03:39:25
245Oceanic gyres / Earth / Filchner-Ronne Ice Shelf / Aquatic ecology / Weddell Gyre / Weddell Sea / Mixed layer / Primary production / Ocean gyre / Physical geography / Oceanography / Physical oceanography

region on the long hydrographic section is shown in figure 2. The structure of the temperature field is similar to that obtained in 1987 in this section with the exception of the top 100 meters or so where there is some

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Language: English - Date: 2011-05-06 20:46:50
246Ice 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

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Language: English - Date: 2011-05-06 15:41:32
247Planktology / Biological oceanography / Oceanography / Biological processes / Photosynthesis / Irradiance / Phytoplankton / Einstein / Primary production / Biology / Aquatic ecology / Water

rently incomplete, it appears that seasonal differences in lipid content are present in the myctophid Elect rona antarctica, but not in the deeper living (>400 meters) Bat hylagus antarcticus. Ongoing research will deter

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Language: English - Date: 2011-05-06 07:44:57
248Antarctica / Ross Ice Shelf / Ice shelf / Continental shelf / Physical geography / Physical oceanography / Tide

(water depths greater than 500 meters), then as much as 25 percent of the dissolved silica supplied to the marine environment may be accounted for in antarctic continental shelf deposits. A comparison of biogenic accumul

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Language: English - Date: 2011-05-06 07:40:11
249Biological oceanography / Planktology / Optical materials / Glaciology / Phytoplankton / McMurdo Sound / Algae / Sea ice / Primary production / Water / Aquatic ecology / Biology

where maximum tintinnid abundances were recorded in ice-covered areas (Weddell Sea, Bransfield Strait, Bellingshausen Sea), or at approximately 60 meters below the surface (Weddell-Scotia confluence: Alder unpublished da

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Language: English - Date: 2011-05-06 21:10:20
250Optical materials / Glacial landforms / Physical geography / Petroleum / Reflection seismology / Crevasse / Seismic refraction / Seismic wave / Ice / Geology / Geophysics / Glaciology

fast ice-stream movement across the ice plain. Analysis of the character of the diffraction shows that the diffractor roughness must be on the order of a few meters vertically with slopes on the order of 10 percent and t

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Language: English - Date: 2011-05-06 20:44:25
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