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51. Physical Properties of the WAIS Divide Deep Ice Core [NSF-ANT05-39232]
This award supports a five-year collaborative project to study the physical-properties of the planned deep ice core and the temperature of the ice in the divide region of the West Antarctic Ice Sheet. ...


52. Snowpit Chemistry - Methods Comparison, WAIS Divide, Antarctica [NSIDC-0620]
Measurements of a suite of trace elements in snow pit samples from WAIS Divide, Antarctica.


53. Surface Temperature Reconstruction from Borehole Temperature Measurement in WDC05A [NSIDC-0638]
This data set shows the modeled surface temperature reconstruction from an inversion of the 300 m WDC05A borehole at the West Antarctic Divide Ice core site.


54. Temperature Profile of the West Antarctic Ice Sheet Divide Deep Borehole [NSIDC-0550]
This data set reports depth versus temperatures in the fluid-filled portion of the West Antarctic Ice Sheet Divide (WAIS–D) deep borehole (70 to 3328 meters depth). Data were acquired on December ...


55. WAIS Divide Laser Dust Logger Data [NSIDC-0540]
This data set consists of data from optical logs made at the WAIS Divide with a laser dust logger in clear ice at depths between 1403.58 meters and 3329.8 meters.


56. WAIS Divide Snowpit Chemical and Isotope Measurements, Antarctica [NSIDC-0506]
This dataset includes major ion, trace element, microparticle and oxygen isotope (δ18O) data for a snowpit dug and sampled in December 2008 near the West Antarctic Ice Sheet (WAIS) Divide ice core ...


57. WAIS Divide Sonic Log Data [NSIDC-0592]
This data set contains a record of speeds for vertically-propagating compression-waves measured throughout the depth of ice that surrounds the WAIS-D borehole. Multiple logs provide redundant measurements ...


58. WAIS Divide WDC06A Oxygen Isotope Record [NSIDC-0629]
This data set contains complete low resolution (0.25 to 100 cm) oxygen isotope data from the WAIS Divide Ice Core WDC06A, 0 to 3404.7 m depth. Also included is the WDC2014 timescale.


59. SENTINEL-1B_SINGLE_POL_GRD_MEDIUM_RES [SENTINEL-1B_SP_GRD_MEDIUM_1]
Sentinel-1B Single-pol ground projected medium resolution images


60. 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, ...


61. 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 ...


62. Allan Hills Stable Water Isotopes [NSIDC-0541]
This data set includes stable water isotope values at 10 m resolution along an approximately 5 km transect through the main icefield of the Allan Hills Blue Ice Area, and at 15 cm within a 225 m core ...


63. Amundsen Sea Sector Data Set [NSIDC-0312]
This data set includes a nested model, that starts at low resolution for the whole Antarctic Ice Sheet, and then embeds higher resolution data at limited domains. There are at least three levels of ...


64. 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 ...


65. Antarctic Ice Cores: Methyl Chloride and Methyl Bromide [NSIDC-0313]
This data set is an analysis of methyl chloride (CH3Cl) and methyl bromide (CH3Br) in Antarctic ice core samples. Investigators reported mixing ratios of methyl chloride gas extracted from samples ...


66. 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. ...


67. Antarctic Peninsula 100 m Digital Elevation Model Derived from ASTER GDEM [NSIDC-0516]
This data set provides a 100 meter resolution surface topography Digital Elevation Model (DEM) of the Antarctic Peninsula. The DEM is based on Advanced Spaceborne Thermal Emission and Reflection Radiometer ...


68. 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 ...


69. 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. ...


70. Blue Ice Tephra II - Brimstone Peak [NSIDC-0114]
This data set is the result of a study of volcanic ash and rock fragment (tephra) layers in exposed blue ice areas on Brimstone Peak (75.888S 158.55E) in East Antarctica. Tephra samples were collected ...


71. Blue Ice Tephra II - Mt. DeWitt [NSIDC-0115]
This data set is the result of a study of volcanic ash and rock fragment (tephra) layers in exposed blue ice areas on Mt. DeWitt, Antarctica (77.12 deg S, 159.51 deg E). Tephra samples were collected ...


72. Borehole Temperatures at Pine Island Glacier, Antarctica [NSIDC-0627]
This data set is a time series of borehole temperatures at different depths from three thermistor strings deployed in three boreholes drilled through the Pine Island Glacier ice shelf, Antarctica.


73. Bubble Number-density Data and Modeled Paleoclimates [NSIDC-0538]
This data set includes bubble number-density measured at depths from 120 meters to 560 meters at 20-meter intervals in both horizontal and vertical samples. The data set also includes modeled temperature ...


74. Digital Images of Thin Sections from Siple Dome [NSIDC-0127]
This data set is part of the WAISCORES project, an NSF-funded project to understand the influence of the West Antarctic ice sheet on climate and sea level change. WAISCORES researchers acquired and ...


75. Dominion Range Snow Pit and Ice Core, 1984 and 1985 [NSIDC-0087]
Information from snow pits and an ice core were collected at Dominion Range (location - 166 10' East, 85 15' South, elevation - 2,700m) in 1984-1985. The 6 meter snow pit was dug and sampled in 1984-1985 ...


76. 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 ...


77. 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 ...


78. Grounding Line Strain Grid Surveys, Kamb Ice Stream, Antarctica [NSIDC-0494]
This data set provides the results from a strain grid survey deployed across the Kamb Ice Stream grounding line on the West Antarctic Ice Sheet. The grid was deployed in 2006 and resurveyed in 2007 ...


79. ICESat-Derived Grounding Zone for Antarctic Ice Shelves [NSIDC-0469]
This data set includes estimates of the location of the grounding zone of Antarctic ice shelves based on laser altimeter data acquired during the Ice, Cloud, and Land Elevation Satellite (ICESat) ...


80. Ice Core Chemistry from the Norwegian-U.S. Scientific Traverse of East Antarctica, IPY 2007-2009 [NSIDC-0520]
This data set consists of sodium (Na) and magnesium (Mg) concentrations versus depth in seven ice cores that were obtained by the Norwegian-U.S. Scientific Traverse of East Antarctica during the International ...


81. Ice Fabric Characteristics: Siple Dome, A Core [NSIDC-0255]
This data set contains measurements of the orientation and deformation of the crystal c-axes (fabric) of ice core samples collected from the Siple Dome Ice Core A, Antarctica (81°S, 148°W) between ...


82. 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 ...


83. Ice Motion and Topography Near Margin Areas of Kamb Ice Stream, Antarctica [NSIDC-0141]
This data set includes ice motion and topography measurements that were taken by measuring movement and altitude of poles set in the West Antarctic Ice Shelf. The data was acquired by Global Positioning ...


84. Ice Sheet Model Output, West Antarctic Ice Sheet Deglaciation [NSIDC-0639]
Ice-sheet model output of Antarctic Ice Sheet simulations spanning 30,000 years BP to 5000+ years in the future.


85. Ice Shelf Rift Time-Lapse Photography, Antarctica [NSIDC-0351]
From November 2004 to March 2005, on the Ross Ice Shelf, Antarctica, an automated "web cam" was operated on the southward facing lip of a large ice-shelf rift to produce a photographic record of processes ...


86. Ice Thickness and Internal Layer Depth Along the 2001 and 2002 US ITASE Traverses [NSIDC-0264]
Ice thickness and internal layer depth data were collected with a ground-based, ice-penetrating radar study as part of the US International Trans-Antarctic Scientific Expedition (US ITASE) traverse ...


87. Ice-Penetrating Radar Data Across Siple Coast Grounding Lines [NSIDC-0474]
These data consist of ice-penetrating radar data collected on the ground across the grounding line near Siple Dome during the 2006 and 2007 Antarctic summer field seasons. Primarily, the data consist ...


88. Iceberg Capsize Kinematics and Energetics [NSIDC-0590]
This data set represents a typical single iceberg capsize experiment. Included in this data set are all the parameters of the plastic iceberg's density and dimensions, the density of the water surrounding ...


89. 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 ...


90. 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 ...


91. Inverted Basal Shear Stress of Antarctic and Greenland Ice Streams and Glaciers [NSIDC-0626]
This data set includes basal shear distributions inferred from surface observations - surface ice velocities (Joughin et al., 2010, Rignot et al., 2011), bed and surface elevations (Fretwell et al., ...


92. Ion Concentrations from SPRESSO Ice Core, Antarctica [NSIDC-0471]
This data set contains ion measurements from co-registered samples from the South Pole Remote Earth Science and Seismological Observatory (SPRESSO) ice core. The core was drilled during the 2002-2003 ...


93. 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 ...


94. MOA-derived Structural Feature Map of the Ronne Ice Shelf [NSIDC-0497]
This data set provides a structural feature map of the Ronne Ice Shelf in Antarctica (also known as the Filchner-Ronne Ice Shelf). The map was developed as part of a project to study fracture propagation ...


95. Margin Migration Rates and Dynamics: Siple Coast Ice Streams [NSIDC-0263]
This product, based on prior data collected under NSF-OPP grant 8716604 (Echelmeyer and Harrison) and NSF-OPP grant 9117911 (Harrison), includes ice velocity data between stations S17 and UpB on the ...


96. Methane Measurements from the GISP2 and Siple Dome Ice Cores [NSIDC-0440]
This data set contains methane measurements made in trapped air in the Holocene sections of two ice cores: the Siple Dome ice core in Antarctica, and the Greenland Ice Sheet Project 2 (GISP2) ice ...


97. Methane and Carbonyl Sulfide Analysis of Siple Dome Ice Core Subsamples [NSIDC-0131]
This data set is part of the West Antarctic Ice Sheet cores (WAISCORES) project, an NSF-funded project to understand the influence of the West Antarctic ice sheet on climate and sea level change. ...


98. Methyl Chloride Measurements from the Siple Dome A Deep Core, Antarctica [NSIDC-0356]
This data set is an analysis of methyl chloride concentration measured in air extracted from ice core samples from the Siple Dome A deep core in West Antarctica. In total, forty six (46) ice samples, ...


99. 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 ...


100. Mt. Moulton Ice Trench Mass Spectrometry Data, Antarctica [NSIDC-0472]
This data set contains measurments from co-registered samples from a horizontal trench in the Mt. Moulton Blue Ice Area (BIA) in Antarctica. All 3795 co-registered samples were analyzed for their ...


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