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141	Specific targets, especially those related to the sediments that lie immediately above the Kukri erosion surface, were examined in detail. Several areas were found where sedimentary beds in the lower Beacon Group showed Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 06:13:47 McMurdo Dry Valleys Climate history Ice ages Glacial landforms Transantarctic Mountains Glacier Antarctica Ice sheet Coral Ridge Physical geography Geography of Antarctica Glaciology
142	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 Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 03:28:50 Biological oceanography Diatom Planktology McMurdo Sound McMurdo Dry Valleys Micropaleontology Antarctica McMurdo Ice Shelf Ross Ice Shelf Geography of Antarctica Physical geography Antarctic region
143	Oceanographic influences on marine benthic communities in McMurdo Sound, Antarctica J.P. BARRY and Sound, and indicate that benthic standing stock and productivity are related to both large- and small-scale current patt Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 18:04:08 McMurdo Sound McMurdo Station Archibald McMurdo Plankton Antarctica Scott Base Pelagic zone Physical geography Fisheries science Oceanography
144	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
145	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
146	valleys and other areas to the east of the Transantarctic Mountains divide may have a source in sedimentary basins in East Antarctica. Correlation of glacial deposits by their constituent microfossils should be approache Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 18:16:29 Transantarctic Mountains Till Glacier McMurdo Sound McMurdo Dry Valleys Antarctica Marble Point Ice sheet Glacial erratic Physical geography Geography of Antarctica Glaciology
147	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
148	Long-Term Ecological Research (LTER) program—Antarctic Peninsula and the McMurdo Dry Valleys sites Palmer LTER: Patterns of distribution of inorganic macronutrients, phytoplankton pigmentation, and photosynthetic activ Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 17:27:10 Biological oceanography Aquatic ecology Photosynthetic pigments Tetrapyrroles Phytoplankton Long Term Ecological Research Network Plankton Photosynthesis Diatom Biology Planktology Water
149	• stratospheric ozone showed a strong depletion with levels at 16 kilometers typically less than 20 nanobars, • the shape of the altitude profile was more or less the same during our period of observations with figur Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 07:02:09 Oxygen Ozone depletion Atmosphere Environmental chemistry McMurdo Station Ozone Scott Base Atmosphere of Earth Hydrogen chloride Chemistry Earth Environment
150	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

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