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On Ice
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681	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 Lead Volcano Aerosol Snow Paleoclimatology Geology Chemistry Clair Cameron Patterson
682	embedded in thin copper plates. Analysis of the data obtained is in progress. A strain figure was established at the dome C camp and at the site 100 kilometers grid east from the camp using surveying instruments on loan Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 03:27:09 Antarctica Ice core Dye 3 Physical geography Geochronology Dome C
683	Field operations began with an air drop of fuel and lumber on 19 November followed by an LC-130 put-in on 21 November of PICO personnel and equipment. All equipment was transferred to the first drill site on 22 November. Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 07:08:12 Technology Geochronology Paleoclimatology Extreme points of Earth Ice core Incremental dating Ozone depletion Proxy Antarctica Physical geography Radar Earth
684	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
685	preindustrial atmospheric CO 2 concentration. This value is low but within the limits estimated by other methods. Additional measurements on south polar ice cores should help to confirm this value and show if there were Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 05:01:12 Ice core Incremental dating Water ice Climate history Dye 3 Antarctica Ice age Amundsen–Scott South Pole Station Stratigraphy Physical geography Geochronology Poles
686	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
687	Palmer LTER: Relative activities of several bacterial exoenzymes in the western Antarctic Peninsula during austral summer: Evidence of sea-ice influence on pelagic bacterial communities JAMES R. CHRISTIAN and DAVID M. KA Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 17:27:29 British Antarctic Territory Chilean Antarctic Territory Aquatic ecology Biological oceanography Antarctica Antarctic krill Water Long Term Ecological Research Network Palmer Station Physical geography Geography of Antarctica Argentine Antarctica
688 $Optical materials / Glacial landforms / Physical geography / Petroleum / Reflection seismology / Crevasse / Seismic refraction / Seismic wave / Ice / Geology / Geophysics / Glaciology$	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 Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 20:44:25 Optical materials Glacial landforms Physical geography Petroleum Reflection seismology Crevasse Seismic refraction Seismic wave Ice Geology Geophysics Glaciology
689	or just under the ice and excreta from higher trophic level animals which occur in higher numbers in the banded ice region between about zero and 60 kilometers on the section. One prominent feature in the ammonium sectio Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 16:31:41 Planktology Southern Ocean Primary production Biomass Phytoplankton Plankton Photosynthesis Biology Aquatic ecology Biological oceanography
690	shoals and surrounded by close or fast ice, forming ice peninsulas or islands. In combination with frequent light easterly and northerly winds, these aggregations must contribute to a slow ocean circulation on the shelf Add to Reading List Source URL: s3.amazonaws.com Language: English - Date: 2011-05-06 17:20:06 Earth Iceberg Polar ice packs Southern Ocean Amundsen Sea Ice shelf Ice sheet Bellingshausen Sea Antarctic Peninsula Physical geography Glaciology Water ice

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