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181	figure 2 that the core is enriched in the components ferrous oxide (FeO), magnesium oxide (MgO), calcium oxide (CaO), manganese oxide (MnO), potassium oxide (K 20), water (H20) (?), and fluorine (F) relative to the tonal Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 05:40:57 McMurdo Sound McMurdo Ice Shelf Archibald McMurdo McMurdo Dry Valleys Geography of Antarctica Scott Coast Transantarctic Mountains
182	of this ice in the lower part of ice stream B. The differences in 180 fine structure between the 1976 and 1978 records indicate that the large, and as yet unexplained, 8 180 fluctuations in the 1978 core in this interval Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 16:46:05 Ice core Incremental dating Water ice Antarctica Proxy Transantarctic Mountains Ross Ice Shelf Ice shelf Ice sheet Physical geography Glaciology Geochronology
183	ships attempting passage to and from the southern Ross Sea. The Pennell and Ross Passage polynyas are best developed in spring and autumn, but also display intermittently lower ice concentrations during winter. They appe Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 16:30:37 Fjord Glaciology Lakes Continental shelf Antarctica McMurdo Sound Glacier Ross Sea Physical geography Glacial landforms Antarctic region
184	tion there. Our results indicate that nitrifier activity may also be an important pathway of carbon dioxide fixation in the water under annual sea ice at certain times of the year. Carbon dioxide fixed by nitrifiers in t Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 18:03:35 Sea ice Arctic Ocean Extreme points of Earth Climatology McMurdo Sound Polar ice packs Ross Ice Shelf Antarctica Polynya Physical geography Earth Glaciology
185	w.ri111.1 Atlantic boundaries of the Scotia Sea, principally over the North Scotia Ridge in the region between Burdwood Bank and South Georgia Island. Evidence of geostrophic determination in the deep gap near longitude Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 03:27:51 Oceanography Biological oceanography Biology Filchner-Ronne Ice Shelf Weddell Gyre Krill Southern Ocean Phytoplankton Plankton Water Aquatic ecology Planktology
186	of the antarctic sea-ice zone on antarctic marine systems, and in the control of global biogeochemical and energy exchanges." It is anticipated that the results of the studies described here will contribute to that goal. Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 19:39:24 Antarctic region Sea ice Argentine Antarctica British Antarctic Territory Antarctica Polar ice packs Southern Ocean Weddell Sea Ice shelf Physical geography Earth Glaciology
187	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
188	The center frequency of the transmitter pulse, determined by the antenna length, was 2 megahertz. A bicycle wheel counter triggered waveform acquisition. The receiver consisted of a high-gain amplifier and a digital stor Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 20:45:14 Glaciology McMurdo Ice Shelf McMurdo Sound Antarctica Mount Discovery Antarctic ice sheet Ice age Ice shelf Archibald McMurdo Physical geography Geography of Antarctica Scott Coast
189	Valley, the sedimentology of Unit B in Ross Sea cores, benthic foraminifera from dirt bands on the McMurdo Ice Shelf, and diatoms in Ross Sea cores. Five new publications appeared during this period: Kellogg, Osterman, a Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 03:28:55 Historical geology Amoeboids Rhizaria Paleogene Geologic time scale Eocene Oligocene Foraminifera Miocene Archaeological sub-disciplines Biology Geology
190	(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 Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 07:40:11 Antarctica Ross Ice Shelf Ice shelf Continental shelf Physical geography Physical oceanography Tide

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