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90 Titles Match Your Query
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1. AWS Data: Characteristics of Snow Megadunes and Their Potential Effect on Ice Core Interpretation [NSIDC-0283]
This data set contains Automated Weather Station (AWS) data from two sites. The Mac site was oriented on the rough sastrugi-covered windward face and the Zoe site was on the glazed leeward face. The ...


2. H2O2 and NO3 in Shallow Ice Cores at South Pole [H2O2_and_NO3_in_shallow_ice_cores_at_South_Pole]
Five shallow (~20-m) ice cores were collected in November/December 1999 near South Pole. All cores were collected within 20 km of the Pole and were located to sample high, moderate, and ...


3. H2O2 in South Pole Surface Snow (1994-2004) [H2O2_in_surface_snow_at_South_Pole]
Surface snow samples were collected at South Pole approximately once each week by onsite NOAA personnel. The samples were returned to our lab in Reno for analysis of hydrogen peroxide ...


4. NO3 in South Pole Surface Snow (2000-2004) [NO3_in_surface_snow_at_South_Pole]
Surface snow samples were collected approximately once each week at South Pole by onsite NOAA personnel. The samples were returned to our lab in Reno for analysis of nitrate concentration. ...


5. 2008 South Pole Firn Air Methane Isotopes [sowers_0739491]
This project will involve the measurement of methane and other trace gases in firn air collected at South Pole, Antarctica. The analyses will include: methane isotopes, light non-methane hydrocarbons ...


6. A 30-Year Record of Surface Mass Balance (1966-95) and Motion and Surface Altitude (1975-95) at Wolverine Glacier, Alaska [USGS_OFR_2004_1069]
Scientific measurements at Wolverine Glacier, on the Kenai Peninsula in south-central Alaska, began in April 1966. At three long-term sites in the research basin, the measurements included snow depth, ...


7. A Preliminary Study on Oxygen Isotopes of Ice Cores from Collins Ice Cap, King George Island, Antarctica [1994-1997_S_GW_GG04_AN_ISOTOPE]
Ice-cores of the Collins Ice Cap were all gained through the BZXJ-model ice-core drilling machine newly made by Lanzhou Institute of Glaciology and Geocryology, Chinese Academy of Sciences. ...


8. A Unique Opportunity for In-Situ Measurement of Seasonally-Varying Firn Densification at Summit, Greenland [waddington_0352584]
This is a collaborative proposal by Principal Investigators at the University of Washington and the Desert Research Institute. They will make detailed measurements of the temporal and spatial variations ...


9. Air sampling and analysis from Antarctic firn and ice [ASAC_1004]
Air from the ice and firn (compressed snow) of the Antarctic ice sheet will be extracted and measured for atmospheric composition in the past. Gases of interest are greenhouse gases (carbon dioxide, ...


10. Airborne Radar-Derived Accumulation Rates over Pine Island and Thwaites Glaciers [joughin_0631973]
This data set includes radar-derived annual accumulation rates over Thwaites Glacier between 1980 and 2009 and a gridded climatology (1985-2009) of snow accumulation over Pine Island and Thwaites ...


11. 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 ...


12. Analysis of Siple Dome Ice Core: Carbonyl Sulfide (COS), Methyl Chloride (CH3Cl), and Methyl Bromide (CH3Br) [NSIDC-0279]
This data set is part of the WAISCORES (West Antarctic Ice Sheet cores) project, research funded by the National Science Foundation (NSF) and designed to improve understanding of how the West Antarctic ...


13. Anisotropy, Abrupt Climate Change, and the Deep Ice in West Antarctica [waddington_0636996]
This record includes two datasets and accompanying code. The anisotropic flow dataset provides velocity and fabric evolution of anisotropic ice for several numerical experiments. The experiments ...


14. 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 ...


15. Atmospheric, Snow and Firn Chemistry Studies for Interpretation of WAIS-Divide Cores, Antarctica [bales_0636929]
This award supports a project to understand how recent changes in atmospheric chemistry, and historical changes as recorded in snow, firn and ice, have affected atmospheric photochemistry over Antarctica. ...


16. Borehole Optical Stratigraphy at Siple Dome [UW_BOS_SDM]
This data set contains the Borehole Optical Stratigraphic (BOS) profile for a borehole (designated K) approximately 50 M from the main borehole at Siple Dome, West Antarctica. BOS is ...


17. Borehole Optical Stratigraphy: Ice Microphysics, Climate Change, and the Optical Properties of Firn [waddington_0335330]
This award supported a study of the physical nature and environmental origin of optical features (light and dark zones) observed by video in boreholes in polar ice. These features appear to include ...


18. Bubble-number density in glacier ice under steady-state climate [LSSU_PSU_Bubble_number_density]
The data set here consists of bubble-number densities in glacier ice, in units of bubbles per cubic centimeter, based on firn densification and grain-growth modeling under steady-state climate conditions. ...


19. Collaborative Research: Anisotropy, Abrupt Climate Change, and the Deep Ice in West Antarctica [pettit_0940650]
This award supports a project to constrain the accumulation rate, thickness, and temperature history for Siple Dome using a vertical velocity profile that includes the effects of an evolving fabric ...


20. Collaborative Research: Characteristics of Snow Megadunes and their Potential Effects on Ice Core Interpretation [scambos_0125570]
Field study and remote sensing measurements of an area of snow megadunes on the East Antarctic plateau provides a preliminary assessment of dune morphology, firn structure, and layering ...


21. Collaborative Research: Continued Study of Physical Properties of the WAIS Divide Deep Core [spencer_1043313]
This data set includes ~50-m averaged annual layer thicknesses down to 3403 m depth at the West Antarctic Ice Sheet (WAIS) Divide ice core (WDC06A) as observed visually using diffuse transmitted light ...


22. Collaborative Research: Norwegian-United States IPY Scientific Traverse: Climate Variability and Glaciology in East Antarctica - albert_0538495 [albert_0538495]
This award supports a project of scientific investigations along two overland traverses in East Antarctica: one going from the Norwegian Troll Station (72deg. S, 2deg. E) to the United States South ...


23. Collaborative Research: Replicate Coring at WAIS Divide to Obtain Additional Samples at Events of High Scientific Interest [severinghaus_1043421]
This award supports a project to obtain samples of ice in selected intervals for replication and verification of the validity and spatial representativeness of key results in the WAIS Divide ice core, ...


24. Collaborative Research: Stable Isotopes of Ice in the Transition and Glacial Sections of the WAIS Divide Deep Ice Core (NSF Award Number 1043092) [WAIS_Divide_Isotope_Data]
WAIS Divide Core 06A 68,000 years ago through 2000C.E. Isotope Data from University of Washington (Eric Steig). Data set of 0.25 to 1 meter averages of oxygen isotope data from the WAIS Divide ice ...


25. Combatant Col ice core trace chemistry and oxygen isotopes [combatant_col_ice_core_trace_chemistry_and_oxygen_isotopes]
Microsoft Excel spreadsheet detailing records of black carbon, dust, lead, and oxygen isotopes plotted versus depth and age in the Combatant Col ice core (Coast Range, southwest British Columbia, ...


26. Data Report on 1981 Traverses From Casey For IAGP [iagp_casey_traverse_results]
The Casey Traverse Program was Australia's major contribution to the International Antarctic Glaciological Project, aimed at determining the galciological regime and processes, and deducting some ...


27. Digital Pictures of snow surface taken from Microwave Radiometers during the JASE traverse 2007/2008 [NIPR_JASE_7]
Microwave radiometers were operated continuously. Digital camera was mounted on the microwave radiometers. Picture of snow surface condition was taken every 1 second entirely along the JASE traverse. ...


28. Ethane, propane, and n-butane firn-air data [Aydin_0739598]
The data file contains ethane, propane, and n-butane measurements in firn air from two Antarctic sites (South Pole and WAIS-D) and from Summit, Greenland. The WAIS-D and South Pole samples were collected ...


29. Firn Accumulation Processes in Taylor Dome, Vostok and Siple Dome Ice Using Cosmogenic 14 C and 10Be as Tracers [lal_9909484]
This award is for support to develop a history of snow accumulation and physical processes occurring in the upper layers of ice deposited at several sites in Antarctica, using cosmogenic ...


30. Firn Air Inert Gas and Oxygen Observations from Siple Dome, 1996, and the South Pole, 2001 [NSIDC-0290]
This data set includes gas ratios in polar firn air: O2/N2, 15N/14N, 40Ar/N2, 40Ar/36Ar, 40Ar/38Ar, ...


31. Firn Air Study in the Megadunes Near Vostok, Antarctica [severinghaus_nsf0230452]
This award supports a study of the chemical composition of air in the snow layer (firn) in a region of "megadunes" near Vostok station, Antarctica. It will test the hypothesis that a deep ...


32. Firn Metamorphism: Microstructure and Physical Properties [albert_0944078]
This award supports a project to investigate the transformations from snow to firn to ice and the underlying physics controlling firn's ability to store atmospheric samples from the past.


33. Firn Temperatures on Iceberg C16 [MacAyealC16_firn_temp_0229546]
Since November of 2005, 12 thermistors were planted in the upper 2.5 meters of the firn on iceberg C16. Temperature data are collected every 20 minutes and are transmitted via ARGOS satellite relay. ...


34. Firn permeability at sites in West Antarctica [WAIS_Permeability]
This data set lists the measured snow and firn density and permeability at sites in West Antarctica. The measurements were done on consecutive ten- centimeter sampling in snow pits and ...


35. Firn-core accumulation and isotope data from central WAIS [SEAT_2010]
This data set contains the locations of five firn cores drilled near the West Antarctic Ice Sheet Divide. For each core, the depth, age, accumulation rate, and stable water isotopes are provided.


36. Fractionation of gases in polar ice during bubble close-off: firn air Ne, Kr and Xe observations [severinghaus_nsidc0290]
Gas ratios in air withdrawn from polar firn (snowpack) show systematic enrichments of Ne/N2, O2/N2 and Ar/N2, in the firn–ice transition region where bubbles are closing off. Air from ...


37. GPR/GPS surveys and analysis of a firn core from the Gawn Ice Piedmont Glacier to examine Holocene climate history [K049_1999_2008_NZ_11]   PARENT METADATA
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


38. Gases in Firn Air and Shallow Ice at the Proposed WAIS Divide Drilling Site [battle_0440509]
This award supports a project to measure the elemental and isotopic composition of firn air and occluded air in shallow boreholes and ice cores from the WAIS Divide site, the location of a deep ice-coring ...


39. Gases in Firn Air and Shallow Ice at the WAIS Drilling Site, Antarctica [sowers_0440759]
Elemental and isotopic composition of firn air and occluded air in shallow boreholes and ice cores from the WAIS Divide site, the location of a deep ice-coring program. The three primary objectives ...


40. High Resolution Ice Thickness and Plane Wave Mapping of Ice Sheet Near-Surface Layers [Kanagaratnam_0230378]
This award supports a project to build and test a 12-18 GHz radar system with a plane wave antenna. This is a wideband radar operating over a frequency range of 12 to 18 GHz to detect ...


41. Historic CH4 Records from Antarctic and Greenland Ice Cores, Antarctic Firn Data, and Archived Air Samples from Cape Grim, Tasmania in CDIAC/Trends Online [CDIAC_CH4_LAWDOME]
This data represents one thousand years of atmospheric methane concentrations. Methane concentrations was measured in air bubbles from 1008-1980 in Antarctic ice cores, and from 1075-1885 in Greenland ...


42. Holocene climate history from ice cores, snow profiles, the glacial system and local climate patterns from the Evans Piedmont Glacier, Victoria Land Coast Antarctica [K049_1999_2008_NZ_6]   PARENT METADATA
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


43. Holocene climate history from ice cores, snow profiles, the glacial system and local climate patterns from the Mt Erebus Saddle, Antarctica [K049_1999_2008_NZ_7]   PARENT METADATA
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from Mt Erebus ...


44. Holocene climate history from ice cores, snow profiles, weather and glacier investigations (topography, mass balance and bedrock mapping) of the Victoria Lower Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_2]   PARENT METADATA
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from two ...


45. Holocene climate history from investigations of the glacial system, ice cores and local climate patterns from Skinner Saddle, Victoria Land Coast Antarctica [K049_1999_2008_NZ_10]   PARENT METADATA
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from Skinner ...


46. Holocene climate history from investigations of the glacial system, ice cores and local climate patterns from Skinner Saddle, Victoria Land Coast Antarctica - K049_1999_2012_NZ_10 [K049_1999_2012_NZ_10]   PARENT METADATA
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from Skinner ...


47. Holocene climate history obtained from ice cores, snow profiles (density, chemistry, structure), snow samples (dust origin) and climate measurements from the Baldwin Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_3]   PARENT METADATA
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


48. Holocene climate history obtained from snow profiles (chemistry, dust flux, temperature, structure), firn cores and climate measurements from the Wilson Piedmont Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_4]   PARENT METADATA
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


49. Hydrogen peroxide, formaldehyde, selected ions and EC in snow pits and shallow ice cores from West Antarctica [ITASE_UCM_ICECORE]
This data set consists in measurements of hydrogen peroxide (H2O2),formaldehyde (HCHO), major ions (NO3, Cl, Ca, NH4, K, Mg) and electric conductivity (EC) in snow pits and shallow ice ...


50. IPY: Stability of Larsen C Ice Shelf in a Warming Climate [steffen_0732946]
Our ground penetrating radar surveys focused on key structural features of the ice shelf, including basal crevasses, marine ice and rifts. Here we present our published work on basal crevasses. ...


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