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1. Average Annual Layer Thickness of the WAIS Divide Ice Core from Visual Stratigraphy [NSIDC-0603]
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 as observed visually using diffuse transmitted light ...


2. Borehole Temperature Measurement in WDC05A in January 2008 and January 2009 [NSIDC-0637]
This data set includes borehole temperature measurements performed in January 2008 and January 2009 at the West Antarctic Ice sheet divide from the 300 m hole WDC05A.


3. 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 ...


4. Major Ion Chemistry Data of WAIS Divide Ice Core Brittle Ice [NSIDC-0546]
The brittle ice section (577-1300 m) of the main WAIS Divide ice core (WDC06A) was analyzed for major ion concentrations with ion chromatography.


5. 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 ...


6. 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 ...


7. Multiple Isotope Analysis of Sulfate in the West Antarctic Ice Sheet Divide Ice Core [NSIDC-0479]
This data set contains measurements of multiple sulfur and oxygen isotopes from sulfates, from an ice core drilled at the West Antarctic Ice Sheet (WAIS) Divide site in 2005. The initial sulfate measurements, ...


8. 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.


9. 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 ...


10. 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 ...


11. 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 ...


12. 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 ...


13. 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 ...


14. 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 ...


15. Dronning Maud Land, Antarctica, Ice Core, 1991 and 1992 [NSIDC-0089]
Major ion concentration values (Na, Mg, Ca, Cl, NO3, SO4, MSA) were analyzed from a 20-meter ice core drilled in Dronning Maud Land, Antarctica (location - 65 01' East, 75 00' South, elevation - 2,900 ...


16. 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 (81S, 148W) between ...


17. 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 ...


18. 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 ...


19. 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. ...


20. 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, ...


21. Roosevelt Island Ice Core Density and Beta Count Data [NSIDC-0139]
This data set measures the radioactive decay of nuclear material from Northern and Southern hemisphere nuclear testing. Firn cores were taken from three locations on Roosevelt Island, an ice dome ...


22. Ross Ice Drainage System (RIDS) Glaciochemical Analysis [NSIDC-0266]
The Ross Ice Drainage System (RIDS) project provides a high-resolution record of atmospheric chemical deposition taken from several ice cores and snow pits located at sites within or immediately adjacent ...


23. Siple Shallow Core Density Data [NSIDC-0129]
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 ...


24. Sulfate-Based Volcanic Record from South Pole Ice Core [NSIDC-0215]
This data set contains concentrations of soluble chemical species (ions) within a 120 m ice core retrieved at the South Pole station in 2001. The ice core was dated with annual resolution using annual ...


25. Volcanic Records in the Siple and Taylor Dome Ice Cores [NSIDC-0126]
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 ...


26. Siple Dome Cores Electrical Measurement Data [NSIDC-0133]
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 ...


27. 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 ...


28. Physical and Structural Properties of the Siple Dome Ice Cores [NSIDC-0128]
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 ...


29. Siple Dome Highlights: Stable isotopes [NSIDC-0134]
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 ...


30. Ice core paleoclimatology [ASAC_757]   CHILD METADATA
Prediction of future climate change requires knowledge of past changes. Polar snow forms an archive of environmental conditions that is accessible by drilling and analysing ice cores. This project ...


31. Optical Logging for Dust and Microbes in Boreholes in Glacial Ice [NSIDC-0403]
This data set contains high-resolution logs of dust and microbes measured at the Siple Dome A borehole in Antarctica. The data were obtained using a newly developed optical borehole logger, which ...


32. Siple Dome Core Date from Measurement of the d18O of Paleoatmospheric Oxygen [NSIDC-0123]
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. ...


33. Proposed Drill Site: Ross-Amundsen Ice Divide, West Antarctica [Western_Divide_WAIS_Icecores_Site_Selection]
Proposed drill site near the Ross-Amundsen ice divide, West Antarctica Describes conditions near the Ross-Amundsen ice divide, and discusses candidate drill sites ...


34. 2000+ Year Detailed, Calibrated Climate Reconstruction from a South Pole Ice Core Set in an Antarctic - Global Scale Context [mayewski_0636506]
SPRESSO ice core SPRESSO data produced by E. Korotkikh and P. A. Mayewski (Climate Change Institute, University of Maine) The South Pole SPRESSO (South Pole Remote Earth Science and Seismological ...


35. 700 Year Record of Winter Sodium Concentrations (May June July averages) from Law Dome [law_dome_700yr_na]   PARENT METADATA
This file is a 700 year record of winter sodium concentrations (May June July averages) from Law Dome. This was calculated by dividing each annual cycle into 12 even time bins (nominally months) and ...


36. AFI 01/05_05 - Basal conditions on Rutford Ice Stream, West Antarctica: Hot-water drilling and down-hole instrumentation - Ice core samples, 2004/06 [GB-NERC-BAS-AEDC-00371]
Sections of ice core acquired from upper 100 m of the ice stream during the RABID Project. Retrieved using hot-water corer. Cores taken at selected depths in two adjacent holes. Core section length ...


37. AFI 07/02_06 - Subglacial Lake Ellsworth - ICE CORE data, Antarctica, 2007/08 [GB-NERC-BAS-AEDC-00349]
Analysis of shallow ice cores collected in the region of Subglacial Lake Ellsworth. Three cores drilled to ~20 m depth. Two cores returned to UK for analysis. One core measured for density-depth in ...


38. Amery shallow ice coring [ASAC_1224]
Metadata record for data from ASAC Project 1224 See the link below for public details on this project. ---- Public Summary from Project ---- Ice core drilling is used to extract information from glacial ...


39. 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 ...


40. 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 ...


41. Annual Mean Water Isotope (d18O) Record for the "DSS" Law Dome Ice Core [LD2012-d18O-Native-age]
The LD2012-d18O-Native-age record is the annual mean water isotope (d18O) record for the "DSS" (Dome Summit South) Law Dome ice core with extensions (e.g. As described in van Ommen et al., Nature ...


42. Annualized Summer Sea Salt From the Law Dome Ice Core Chemistry Record, 1000-2009 [summer_sea_salt_1000-2009]   PARENT METADATA
This data set is the logged, annualised summer sea salt (December to March, DJFM) concentrations from the Law Dome ice core chemistry record, spanning 1000-2009 AD (dates apply to the year of JFM, ...


43. Atmospheric CO2 Trapped in the Ice Core from Siple Dome, Antarctica [NSIDC-0202]
These data are CO2 concentrations of the air occulded in Siple Dome ice core, Antarctica. The study was conducted between January 2001 and March 2003 on a deep ice core from Siple Dome Core A, located ...


44. Atmospheric CO2 and Climate: Byrd Ice Core, Antarctica [NSIDC-0314]
Reconstructions of ancient atmospheric CO2 variations help us better understand how the global carbon cycle and climate are linked. This data set compares CO2 variations on millennial time scales ...


45. Atmospheric CO2 and Climate: Taylor Dome Ice Core, Antarctica [NSIDC-0315]
Using new and existing ice core CO2 data from 65 - 30 ka BP a new chronology for Taylor Dome ice core CO2 is established and synchronized with Greenland ice core records to study how high latitude ...


46. Atmospheric CO2 over the last 1000 years: A record from the WAIS Divide ice core [brook_0739766]
These data are a decadally resolved record of atmospheric CO2 concentration for the last 1000 years, obtained from the West Antarctic Ice Sheet (WAIS) Divide shallow ice core.


47. Byrd and Siple Dome CO2 data on the GICC05 timescale (9--21 ka) [Byrd-SipleDome-CO2-GICC05]
Antarctic ice cores provide clear evidence of a close coupling between variations in Antarctic temperature and the atmospheric concentration of CO2 during the glacial/interglacial cycles of at least ...


48. CACHE-DRAM: DRivers and AMplifiers of late Quaternary climate change [GB-NERC-BAS-PDC-00509]
Ice core records provide highly detailed records of how different components of the climate system have behaved in the past. DRAM will make use of these and other data to pin down the main forcings ...


49. Climatology, Meteorology, and Microbial Metabolism in Ice with Dust Loggers and Fluorimetry [price_0738658]
This award supports a project to use two new scanning fluorimeters to map microbial concentrations vs depth in the WAIS Divide ice core as portions of it become available at NICL, and selected portions ...


50. Climatology, Volcanism, and Microbial Life in Ice with Downhole Loggers [price_0440609]
This award supports a project to use two spectrofluorimeters - one with a 224-nm laser to excite protein fluorescence and non-protein aerosol and dust fluorescence, and the other with a 404-nm laser ...


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