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103 Titles Match Your Query
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51. 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, ...


52. 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. ...


53. 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 ...


54. 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, ...


55. 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 ...


56. 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 ...


57. 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 ...


58. 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 ...


59. 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 ...


60. 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 ...


61. 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. ...


62. 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 ...


63. 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 ...


64. 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 ...


65. 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 ...


66. 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, ...


67. 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 ...


68. 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, ...


69. 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 ...


70. 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. ...


71. 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 ...


72. 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 ...


73. 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, ...


74. 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.


75. 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. ...


76. 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 ...


77. 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.


78. GPR and GPS Data: Characteristics of Snow Megadunes and their Potential Effects on Ice Core Interpretation [NSIDC-0282]
The Antarctic megadune research was conducted during two field seasons, one in November 2002 and the other in December 2003 through January 2004. The megadune field site is located on the East Antarctic ...


79. 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 ...


80. 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 ...


81. 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 ...


82. 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 ...


83. 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 ...


84. 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 ...


85. 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 ...


86. Iceberg Firn Temperatures, Antarctica [NSIDC-0352]
Since November of 2005, 12 thermistors were planted in the upper 2.5 meters of the firn on iceberg C16, Antarctica. Temperature data are collected every 20 minutes and are transmitted via ARGOS satellite ...


87. Inert Gases in Firn Air and Shallow Ice at the WAIS Divide Site [severinghaus_0440701]
This data set includes inert and major gases (elemental and isotopic composition) in firn air and occluded air in shallow boreholes from the WAIS Divide site. The three primary science ...


88. Investigation of physical structure of snow stratification during the JASE traverse 2007/2008 [NIPR_JASE_15]
To better understand physical structure of snow stratification, a 1m deep pit was dug at every camp site. The following items were investigated: (i) density with 3 cm resolution, (ii) dielectric permittivity ...


89. Investigation of physical structure of snow stratification during the JASE traverse 2007/2008 - NIPR_JASE_19 [NIPR_JASE_19]
To better understand physical structure of the snow stratification, two 4m deep pits and two 2m deep pits were dug at several locations. The following items were investigated: (i) density with 3 cm ...


90. Isotopes in Gases in Firn Air and Shallow Ice at the Proposed WAIS Drilling Site [white_0440498]
This is a multi-institutional project investigating gas concentrations and isotope ratios of gases in the upper part of the Inland WAIS ice core. The Stable Isotope Lab at INSTAAR of the University ...


91. LSSU PSU firn depth-density data set [LSSU_PSU_Firn_data]
Excel file with firn depth-density data from 88 sites, with site location and name included in the accompanying pdf file.


92. Law Dome Methane Carbon Isotopes and Concentrations, Last 2000 years [Law_Dome_Methane_Carbon_Isotopes]
This data set contains carbon isotope and concentration data for methane extracted from the Law Dome ice core and firn gas. Raw values are listed by depth and value. The data is also listed ...


93. MEaSUREs MODIS Mosaic of Greenland 2005 (MOG2005) Image Map V001 [NSIDC-0547_001]
This data set consists of two digital image maps for Greenland: the 2005 MOG Surface Morphology Image Map and the 2005 MOG Grain Size Image Map. The image maps are constructed from MODIS imagery acquired ...


94. Microwave Radiometry data measured at frequencies and polarizations of 6 GHz (V and H), 18 GHz (V) and 36 GHz (V and H) during the JASE traverse 2007/2008 [NIPR_JASE_6]
Radio techniques were very important in the JASE traverse to detect subsurface conditions continuously. We used variety of radars and microwave radiometers to survey englacial and subglacial environment. ...


95. d15N & d18O of air in the WAIS Divide ice core [severinghaus_0538657]
Major gas components of air data set, containing d15N, d18O of O2, dO2/N2, and dAr/N2 from the WAIS Divide ice core at high resolution. These data are used to constrain surface temperature, biosphere ...


96. Analysis of Siple Dome Ice Core: Carbonyl Sulfide (COS), Methyl Chloride (CH3Cl), and Methyl Bromide (CH3Br), Version 1 [NSIDC-0279_1]
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 ...


97. Firn Air Inert Gas and Oxygen Observations from Siple Dome, 1996, and the South Pole, 2001, Version 1 [NSIDC-0290_1]
This data set includes gas ratios in polar firn air: O2/N2, 15N/14N, 40Ar/N2, 40Ar/36Ar, 40Ar/38Ar, ...


98. GPR and GPS Data: Characteristics of Snow Megadunes and their Potential Effects on Ice Core Interpretation, Version 1 [NSIDC-0282_1]
This data set contains Ground Penetrating Radar (GPR) data showing surface morphology and internal layering structure along with Global Positioning System (GPS) data collected within an area of 60 ...


99. Ross Ice Shelf Firn Temperature, Antarctica, Version 1 [NSIDC-0354_1]
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 ...


100. Snow and Firn Permeability: Characteristics of Snow Megadunes and their Potential Effects on Ice Core Interpretation, Version 1 [NSIDC-0299_1]
This data set contains firn physical properties measured in two meter snow pits and from deeper, 12- to 30-meter firn cores. The physical properties measured in the snow pits include density, permeability ...


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