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1. 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 ...


2. 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 ...


3. 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. ...


4. 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 ...


5. 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 ...


6. 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 ...


7. 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 ...


8. 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 ...


9. 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 ...


10. 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 ...


11. 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 ...


12. 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 ...


13. 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, ...


14. 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 ...


15. 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 ...


16. 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 ...


17. 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 ...


18. 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.


19. 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 ...


20. 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 opposite ...


21. 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.


22. 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 ...


23. 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 ...


24. 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 ...


25. 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 ...


26. Collaborative Research in IPY: Abrupt Environmental Change in the Larsen Ice Shelf System, a Multidisciplinary Approach -- Cryosphere and Oceans - LARISSA_0732655 [LARISSA_0732655]
Like no other region on Earth, the northern Antarctic Peninsula represents a spectacular natural laboratory of climate change and provides the opportunity to study the record of past climate and ecological ...


27. 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 ...


28. Collaborative Research: Combined Physical Property Measurements at Siple Dome [wilen_0440447]
This award supports a two-year collaborative effort to more fully understand the climatic history and physical properties of the Siple Dome, Antarctica deep ice core, to develop a new paleoclimatic ...


29. Collaborative Research: Combined Physical Property Measurements at Siple Dome - Spencer_0917509 [Spencer_0917509]
This award supports a two-year collaborative effort to more fully understand the climatic history and physical properties of the Siple Dome, Antarctica deep ice core. We have released an Excel file ...


30. Collaborative Research: Constructing an Ultra-high Resolution Atmospheric Methane Record for the Last 140,000 Years from WAIS Divide Core [Sowers_0538538]
This award supports a project to develop a high-resolution (every 50 yr) methane data set.


31. 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 ...


32. Collaborative Research: Microparticle/tephra analysis of the WAIS Divide ice core [dunbar_0636767]
Visible tephra layers were found in the Byrd Station ice core, the first deep core drilled in Antarctica. Since then, tephra have been found in many other Antarctic ice cores. Tephra layers in ice ...


33. Collaborative Research: Refining a 500-kyr Climate Record From the Mt. Moulton Blue Ice Field in West Antarctica [dunbar_NSF0230348]
There is intense scientific interest in the history, dynamics and future of the West Antarctic Ice Sheet because it is the world's only remaining marine ice sheet and is considered by ...


34. 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, ...


35. Collaborative Research: Stable Isotopes of Ice in the WAIS Divide Deep Ice Core - cuffey_0537661 [cuffey_0537661]
This award supports analyses of stable isotopes of water, dD, d18O and deuterium excess in the proposed West Antarctic Ice Sheet Divide (WAIS) deep ice core. The project will analyze a continuous ...


36. Collaborative Research: Stable Isotopes of Ice in the WAIS Divide Deep Ice Core - white_0537593 [white_0537593]
This data set contains the record of stable isotopes of hydrogen and oxygen in the WAIS Divide WDC06A core from West Antarctica. Samples have been analyzed at high resolution (nominal 3cm intervals) ...


37. Constructing the first D/H record of atmospheric methane covering the last two centuries [Sowers_0125900]
Over the last 200 years, the atmospheric CH4 burden has doubled in response to increased emissions from various anthropogenic activities. As this trend is liable to continue in the foreseeable ...


38. Cosmogenic Radionuclides in the WAIS Divide Ice Core [welten_0636964]
This dataset includes a record of the concentrations of the cosmogenic radionuclides, 10Be (half-life = 1.36 x 10^6 year) and 36Cl (3.0 x 10^5 year), in samples from the West Antarctic Ice Sheet (WAIS) ...


39. Dated Readings For Air Composition And Methane From Law Dome Ice Core [air_methane_lawdome]   PARENT METADATA
This work was completed as part of ASAC project 757 (ASAC_757). This file comprises three main records compiled for publication in the following: V. Morgan, M. Delmotte, T. van Ommen, J. Jouzel, ...


40. Deep Ice Drilling on Law Dome [ASAC_15]
This dataset includes records from ANARE Research Notes 76; The scientific plan for the deep ice drilling on Law Dome. Per the abstract of the ANARE 76 report: Information on the past climatic and ...


41. Derivation of an age scale for the Law Dome core - ice cores taken between 1987 and 1993 [DSS_age_scale]   PARENT METADATA
Records of methane, and oxygen isotopes (ice and air) for Law Dome DSS (Dome Summit South) core through the last deglaciation (9000-19000 before present). Data are obtained from the entire DSS core, ...


42. 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 ...


43. Digital Imaging for Siple Dome Ice Core Analysis, Antarctica [NSIDC-0413]
This data set contains high-resolution digital images of thin and thick sections cut from the 1003 meter Siple Dome A main ice core. The images are useful for crystal size and orientation analysis ...


44. 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 ...


45. 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 ...


46. Effect of Global Change on the Primary Production of Antarctic coastal Ecosystems [ASAC_2518]
Metadata record for data from ASAC Project 2518 See the link below for public details on this project. Global climate change will lead to a reduction in the duration and thickness of sea ice in coastal ...


47. 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, ...


48. GISP2 (B and D Core) Methane Concentrations [NSIDC-0125]
The data include methane data from the Greenland Ice Sheet Project 2 (GISP2) B & D Cores. Gas ages were calculated according to the methods described in Brook et al. 1996, and are subject to change. ...


49. GISP2 Ions: Deep (D) Core, 100,000 Years [NOAA_NCDC_PALEO_GISP2_DEEPD]
This data set contains the GISP2 major ion concentrations in parts per billion (ppb) by mass. Blanks (999999) in chemical species represent samples below detection limits. Firn samples were cleaned ...


50. GISP2 Meltwater Laser-Light Scattering Dust Concentration Profile Data [NOAA_NCDC_PALEO-2002-058]
Laser Light Scattering (LLS) from meltwater was used to obtain dust concentrations along the top 120 m of the GISP2 B core. In this technique, the intensity of light scattered at 90 degrees from the ...


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