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1990 Titles Match Your Query
Showing 1 through 50 of 1990 Next
1. Gases in Firn Air and Shallow Ice at the WAIS Drilling Site, Antarctica [NSIDC-0412]
This data set contains trace gas measurements of air extracted from ice core samples from the West Antarctic Ice Sheet Divide A core (WAIS-D 05A). The WAIS A core was dry-drilled at the WAIS site ...


2. Methane Concentration and Chronology from the WAIS Divide Ice Core (WDC05A) [NSIDC-0493]
This data set provides a high-precision and high-resolution record of atmospheric methane from the West Antarctic Ice Sheet (WAIS) Divide ice core WDC05A, spanning the years 1000 to 1800 C.E. The ...


3. Methane Isotopes from the WAIS Divide Ice Core [NSIDC-0435]
This data set includes methane (CH4) isotope data from the West Antarctic Ice Sheet (WAIS) Divide ice core, WDC05A, in Antarctica. The data include depth, gas age, and the isotopic composition of ...


4. Microparticle, Conductivity, and Density Measurements from the WAIS Divide Deep Ice Core, Antarctica [NSIDC-0499]
This data set includes microparticle concentration, electrical conductivity, and density measurements from the West Antarctic Ice Sheet (WAIS) Divide deep ice core, WDC06A. Microparticle concentration ...


5. WAIS Divide Ice Core Images, Antarctica [NSIDC-0375]
This data set is comprised of optical images of ice core sections, acquired with a digital line-scan camera in the cold room facility at the U.S. National Ice Core Laboratory (NICL). Ice core sections ...


6. WAIS Divide Snowpit Chemical and Isotope Measurements, Antarctica [NSIDC-0506]
This dataset includes major ion, trace element, microparticle and oxygen isotope (��18O) data for a snowpit dug and sampled in December 2008 near the West Antarctic Ice Sheet (WAIS) Divide ice core ...


7. Ablation Rates of Taylor Glacier, Antarctica [NSIDC-0326]
This data set provides glacier surface ablation rates for a network of approximately 250 sites on Taylor Glacier, spanning a period from 2003 to 2011. Here sublimation is the dominant ablation mechanism, ...


8. Alkanes in Firn Air Samples, Antarctica and Greenland [NSIDC-0504]
This data set contains ethane, propane, and n-butane measurements in firn air from the South Pole and the West Antarctic Ice Sheet (WAIS) Divide in Antarctica, and from Summit, Greenland. The WAIS ...


9. Annual Layers at Siple Dome, Antarctica, from Borehole Optical Stratigraphy [NSIDC-0515]
Researchers gathered data on annual snow layers at Siple Dome, Antarctica, using borehole optical stratigraphy. This data set contains annual layer depths and firn optical brightness. The brightness ...


10. Antarctic Mean Annual Temperature Map [NSIDC-0318]
The Mean Annual Temperature map was calculated by creating a contour map using compiled 10 meter firn temperature data from NSIDC and other mean annual temperature data from both cores and stations. ...


11. Atmospheric Mixing Ratios of Hydroperoxides above the West Antarctic Ice Sheet [NSIDC-0394]
This data set contains atmospheric mixing ratios of hydrogen peroxide and methylhydroperoxide at 21 sites on the West Antarctic Ice Sheet (WAIS) were obtained from 2000 to 2003 during the US International ...


12. Biogenic Sulfur in the Siple Dome Ice Core [NSIDC-0201]
This data set is a continuous, high-resolution record of biogenic sulfur (methanesulfonate, known as MSA and CH3SO3-) in the 1000 m deep Siple Dome A (SDMA) core, covering 100,000 to 20 years BP. ...


13. GPS-Measured Ice Velocities and Strain Data from the Ross and Amundsen Sea Ice Flow Divide, West Antarctica [NSIDC-0503]
This data set includes ice flow velocities and strain configurations, from GPS measurements on the West Antarctic Ice Sheet (WAIS) Divide. Ninety markers installed in the firn were measured during ...


14. Glaciological Investigations of the Bulge and Trunk of Kamb Ice Stream, West Antarctica [NSIDC-0380]
This data set contains radar data from the Kamb Ice Stream (KIS), formerly known as Ice Stream C, in West Antarctica. The project was part of a larger study to assess the likelihood of ice stream ...


15. Ice Flow History of the Thwaites Glacier, West Antarctica [NSIDC-0463]
This data set contains past flow lines of Thwaites Glacier. The flow lines were identified using layer patterns tracked between parallel radar layers, from a radar profile of the Thwaites Glacier ...


16. Iceberg Harmonic Tremor, Seismometer Data, Antarctica [NSIDC-0349]
Seismometers were placed on a 25 km by 50 km iceberg called C16 in the Ross Sea, Antarctica, to identify the Iceberg harmonic Tremor (IHT) source mechanism and to understand the relevance of IHT to ...


17. Iceberg Tiltmeter Measurements, Antarctica [NSIDC-0353]
Time series of tiltmeter observations (tilt about two horizontal axes in microradians) for a 34 day period on iceberg C16 while it was aground near Ross Island in late 2001 to early 2002. Data shows ...


18. Late Holocene Climate Variability, Dry Valleys, Antarctica [NSIDC-0399]
This data set includes high-resolution ice core records from the Dry Valleys region of Antarctica, and provides interpretations of interannual to decadal-scale climate variability during the last ...


19. Millennially Averaged Accumulation Rates for Lake Vostok [NSIDC-0500]
This data set consists of inferred accumulation rates from three radar layers (26, 35 and 41 thousand years old) in the Vostok Subglacial Lake region. Accumulation rates were inferred using Local-Layer ...


20. Nitrogen and Oxygen Gas Isotopes in the Siple Dome and Byrd Ice Cores, Antarctica [NSIDC-0407]
This data set consists of Gas-isotopic data from the Siple Dome and and Greenland Ice Sheet Project 2 (GISP2) ice cores covering roughly the last 100,000 years (100 ka), consisting of d15N (15N/14N) ...


21. Polarimetric Radar Data from the Ross and Amundsen Sea Ice Flow Divide, West Antarctica [NSIDC-0496]
This dataset contains ground-based, co-polarized radar data collected using pulse-modulated 60 MHz and 179 MHz radar at 19 sites around a deep ice coring site near the Ross and Amundsen flow divide ...


22. Radar Studies of Internal Stratigraphy and Bed Topography along the US ITASE-II Traverse [NSIDC-0475]
This data set contains ice penetrating radar data from the US-International Trans-Antarctic Science Expedition (ITASE) Traverse, from Taylor Dome to South Pole recorded by the St. Olaf College deep ...


23. Ross Ice Shelf Firn Temperature, Antarctica [NSIDC-0354]
Since November of 2006, 12 thermistors were planted in the upper 16 meters of the firn on the Ross Ice Shelf near its calving front. Temperature data are collected every 20 minutes and are transmitted ...


24. A geochemical reconnaisance of the salts in the soils of the Victoria Valley [K009_1972_1973_NZ_1]   PARENT METADATA
A geochemical reconnaisance of the salts in the Victoria Valley was undertaken in the 1972/73 season. A field camp was set up at Lake Vida and the area from Lake Vida to Lake Vaska, Lake Clarke and ...


25. A survey of the Miers and Marshall Valley and Walcott Bay area for dating the formation of the major landforms [K009_1975_1976_NZ_2]   PARENT METADATA
A few days were spent in the Miers Valley to collect samples of gypsum for geochemical analyses. Surprisingly carbonate "biscuit" similar to that found in the Taylor Valley were found. Thus, we noted ...


26. Bathymetric surveys, the geomorphology, glacial chronology, halite investigations, thermokarst formations, overland flow and stream bifurcations of Lake Bonney area [K009_1973_1974_NZ_1]   PARENT METADATA
35 holes were drilled through the ice in the smaller western lobe of Lake Bonney and the bathymetry of the lake was determined. A further 52 holes were used for the eastern lobe bathymetry. Sediment ...


27. Geochemistry investigations of landforms in the Ross Sea Region to determine past glacial history and landform processes [K009_1969_1970_NZ_1]   PARENT METADATA
The geochemistry of Ross Island (Cape Barne and Cape Crozier), the Taylor and Wright Valleys, Lake Vida in Victoria Valley and Marble Point was studied (weathering and land formation) to determine ...


28. Ice core and soft sediment samples from Lake Fryxell, Lake Vanda, Don Juan Pond and surrounding shallow lakes in the Wright Valley [K009_1978_1979_NZ_3]   PARENT METADATA
A bathymetric map of Lake Fryxell was completed by drilling 28 holes through the floating ice and mapping the lake bottom. 13 cores were collected. The lake benthic sediment was cored for investigation. ...


29. Initial assessment for biological research in the Ross Island/Dry Valleys Region [K009_1977_1978_NZ_2]
The primary objective of this study was to assess the potential for biological, particularly botanical, research in the Ross Island/Dry Valleys region and to carry out preliminary studies in four ...


30. Investigation of Antarctic lakes and lake sediments in the Ross Sea Region [K009_1969_1990_NZ_1]   CHILD METADATA
The study of Antarctic lakes and lake sediments in the Ross Sea Region, particularly in the McMurdo Dry Valleys, with particular emphasis on the climatic history was a continuing program of the Waikato ...


31. Microbiology in the Dry Valleys: Lake Fryxell, Don Juan Pond and a dry algal mat from the vicinity of the Canada Glacier [K009_1979_1980_NZ_2]
Three main projects were undertaken in the Dry Valleys, a) a microbiological study of Lake Fryxell, b) a microbiological study of Don Juan Pond and c) a study of the reconstitution of a dry algal ...


32. Observations on the development of shore lines on Lake Vanda [K009_1972_1973_NZ_3]   PARENT METADATA
A number of observations on the development of the shore line around Lake Vanda was recorded. Two previous seasons found the lake level to have risen considerably but the 72/73 season the lake level ...


33. Richter footslope development in the Olympus Range [K009_1973_1974_NZ_2]   PARENT METADATA
In the 1973-74 season, two detailed traverses were made on Mt Circe and Mt Boreas in the Olympus Range. Bedrock slopes are easily accesible in this region and it is one of the few areas where the ...


34. Soil salt concentrations as indicators of prior lake levels: Lakes Bonney and Vanda [K009_1973_1974_NZ_3]   PARENT METADATA
In the belief that geochemical techniques may assist to unravel the complexities of the Antarctic glacial moraine, a project was undertaken to investigate the concentrations of salts in the soils ...


35. Temperature and salinity profiles of the lakes in the Ross Sea Region [K009_1969_1970_NZ_2]   PARENT METADATA
Temperature and salinity profiles and general characteristics of Deep Lake and Lake Bonney were investigated.


36. The Derrick Peak Meteorite Occurrence [K009_1978_1979_NZ_2]
While investigating the moraine deposits and geology on the northeast ridge of Derrick Peak above the Hatherton and McCraw Glacier, an important impact site of a meteorite shower was discovered. The ...


37. The bathymetry and sedimentology of Lake Joyce [K009_1972_1973_NZ_4]   PARENT METADATA
18 holes were drilled through the floating ice of Lake Joyce. The position of the holes were surveyed, the ice thickness and water depths were measured and the coring of the bottom sediments was ...


38. The geomorphology of the Victoria Valley, the Wright Valley, the Koettlitz Valley and its tributaries and the Olympus Range [K009_1971_1972_NZ_1]   PARENT METADATA
The research was concerned with several aspects of the geomorphology of the Victoria Valley, the Wright Valley, the Koettlitz Valley and its tributaries and the Olympus Range areas. Particular studies ...


39. The production biology of Lake Bonney and Lake Fryxell [K009_1970_1971_NZ_1]
A party of biologist was concerned with the production biology of Lake Bonney and Lake Fryxell. Soil bacteria and protozoa were studied and rotifiers were collected from the lakes.


40. The study of the abundance and occurence of salts in the soils of the Wright Valley [K009_1972_1973_NZ_2]   PARENT METADATA
Soil samples were collected and analysed from three profiles across the Wright Valley, to determine the abundance of sodium, magnesium, calcium, potassium, chloride and some minor elements in the ...


41. GPS Ice Flow Measurements, Allan Hills, Antarctica [NSIDC-0507]
This data set includes includes high-precision GPS measurements of steel poles within the Allan Hills Main Ice Field, Near Western Ice Field, and extending to the eastern edge of the Middle Western ...


42. Giant Icebergs of the Ross Sea, in situ Drift and Weather Measurements, Antarctica [NSIDC-0350]
During 2001-2006, 6 giant icebergs (B15A, B15J, B15K, C16 and C25) adrift in the southwestern Ross Sea, Antarctica, were instrumented with global positioning system (GPS) receivers, magnetic compasses ...


43. Modeled Radar Attenuation Rate Profile at the Vostok 5G Ice Core Site, Antarctica [NSIDC-0501]
This data set provides a modeled radar attenuation rate profile, showing the predicted contributions from pure ice and impurities to radar attenuation at the Vostok 5G ice core site in Antarctica, ...


44. US ITASE Stable Isotope Data, Antarctica [NSIDC-0425]
This data set includes stable isotope measurements from snow pits, firn, and ice cores collected by the the US component of the International Trans-Antarctic Scientific Expedition ( ITASE). The ITASE ...


45. Collaborative Research: Snow Accumulation and Snow Melt in a Mixed Northern Hardwood-Conifer Forest [NSIDC-0441]
This data set contains snow depth, Snow Water Equivalent (SWE), and forest cover characteristics for sites at the Hubbard Brook Experimental Forest in northern New Hampshire. Measurements were made ...


46. A vegetation assessment of Beaufort Island [K024_1996_1997_NZ_3]
The vegetation at Beaufort Island was assessed and a report written to ICAIR including a description of the area, species present, comparison to other Dry Valley vegetation, the merits of the vegetation ...


47. Analysis of the effects of environmental factors (temperature, light, water content and CO2 concentration) on the photosynthesis activity of two common Antarctic mosses and a cyanobacterial mat in the Taylor Valley [K024_2002_2003_NZ_2]
A detailed study of how the environmental factors temperature, light, water content and carbon dioxide concentration affected photosynthesis of the two common mosses Bryum argenteum and Hennediella ...


48. Analysis of the endolithic communities in the McMurdo Dry Valleys: microclimate, biodiversity, community structure, biomass, photosynthetic activity and genetic diversity [K024_2003_2008_NZ_1]
The photosynthetic activity of endolithic communities at three sites in the Ross Sea Region, including Mt Falconer in the Taylor Valley, Linnaeus Terrace in the Asgard Range, the Nussbaumriegel in ...


49. Assessment of the recovery of damage to mosses (from walking tracks, cores and slab removal) from the Taylor Valley [K024_1989_1990_NZ_3]
It is commonly accepted that mosses in the Dry Valley's grow very slowly. The recovery of mosses was investigated by locating and investigating in detail various damaged sites from previous activity ...


50. Biodiversity survey at Mt Kyffin near the Beardmore Glacier [K024_2002_2003_NZ_4]
A four person party visited an area close to Mt Kyffin on the south side of the Beardmore Glacier and at nearly 84° South latitude. In the 59-60 season the presence of many plants (lichens) and insects ...


Showing 1 through 50 of 1990 Next
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