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1. Amery Ice Shelf - hot water drill borehole, 2001-02 - AM01 [ASAC_1164_AM01]   CHILD DIFs   PARENT DIF
AM01 borehole drilled mid-January 2002. Profiling measurements conducted over a period of one week. Long term monitoring instruments installed 2002-01-16. AM01b borehole drilled mid-December 2003. ...


2. Amery Ice Shelf - hot water drill borehole, 2001-02 - AM02 [ASAC_1164_AM02]   CHILD DIFs   PARENT DIF
AM02 borehole drilled December 2000. Profiling measurements conducted over a period of one week. Long term monitoring instruments installed 2001-01-06. Consult Readme ...


3. Amery Ice Shelf - hot water drill borehole, 2003-04 - AM01b [ASAC_1164_AM01b]   CHILD DIFs   PARENT DIF
AM01b borehole drilled mid-December 2003. Profiling measurements conducted over a period of a few days. Video recording of borehole walls and sea floor benthos. Sediment sample collected from sea ...


4. An environmental record of lead isotopes over four centuries at Law Dome, Antarctica [ASAC_1092]
Antarctic ice provides an archive of Earths atmospheric composition over time. It therefore records evidence of human impact on the atmosphere. Lead is a toxic element, whose isotopic fingerprint ...


5. Ice shelf - ocean interaction in the cavity beneath the Amery Ice Shelf [ASAC_1164]   CHILD DIFs
---- Public Summary from Project ---- Most of the snow falling on inland Antarctica drains via large ice streams and floating ice shelves to the sea where it lost by iceberg calving or as melt beneath ...


6. LD2000 isotope stack - Law Dome d18O data 1800-1999 as annual averages [ASAC_757_LD2000]   PARENT DIF
"LD2000" Isotope record: 1800AD-1999AD" This data set is that used in Schneider et al., 2006 and should be cited as such: Schneider, D. P., Steig, E. J., van Ommen, ...


7. Law Dome d18O data 2100BP to 1996 as 4-year averages [ASAC_757_LD_d18O]   PARENT DIF
LD2.1ky-grid4y - Law Dome d18O data 2100BP (Present=2000AD) to 1996 as 4-year averages. Data set used in: Jones, P.D. and M.E. Mann, Climate Over Past Millennia, Rev. Geo. 42(2), RG2002, doi:10.1029/2003RG000143, ...


8. Lead isotopes in snow and ice as an indicator of past changes to the Antarctic environment [ASAC_966]
From the abstracts of the referenced papers: Techniques for Pb measurements have reached the stage where Antarctic ice with sub-picogram per gram concentrations can be reliably analysed for isotopic ...


9. Collaborative Research: Molecular Level Characterization of Organic Matter in Ice Cores using High-resolution FTICR mass spectrometry [hatcher_0739684]
This award supports a project to fully develop the analytical protocols needed to exploit a relatively new technique for the analysis of soluble organic matter in ice core samples. The technique couples ...


10. Amery Ice Shelf - hot water drill borehole, 2003-04 - AM01b - video footage [ASAC_1164_AM01b_video]   PARENT DIF
AM01b borehole drilled mid-December 2003. Profiling measurements conducted over a period of a few days. Video recording of borehole walls and sea floor benthos. Sediment sample collected from sea ...


11. Amery Ice Shelf - hot water drill borehole, 2001-02 - AM01 sampling (seafloor sediment, ice cores, seawater) and Automatic Weather Station data [ASAC_1164_AM01_Other]
AM01 borehole drilled January 2002. Samples collected during drilling and scientific sampling phases of work. AWS continuing to operate.


12. Amery Ice Shelf - hot water drill borehole, 2003-04 - AM01b sampling (seafloor sediment, ice cores, seawater) and Automatic Weather Station data [ASAC_1164_AM01b_Other]   PARENT DIF
AM01b borehole site Samples collected during drilling and scientific sampling phases of work. AWS continuing to operate (not a new station, but ongoing AM01 station).


13. Advanced Microstructural Characterization of Polar Ice Cores [baker_0738975]
This award supports a project to use advanced microscopic and spectroscopic techniques to explore critical questions about microstructure in ice cores, in particular the microstructural locations ...


14. Dust Logging at Dome C for Abrupt Climate Changes, Large Volcanic Eruptions and Bolide Impacts [bay_0739743]
This award supports a project to make high-resolution logs of dust and ash in the Dome C borehole using an optical dust logger. The dust logger employs a temperature-regulated diode laser at 404 nm ...


15. Microstructural Location and Composition of Impurities in Polar Ice Cores [NSIDC-0436]
This data set contains measurements of impurities and ions in three polar ice cores: the Vostok 5G ice core and the Byrd ice core from Antarctica, and the Greenland Ice Sheet Project 2 (GISP2) D core. ...


16. 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 ...


17. 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 ...


18. 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 ...


19. Nitrogen and Oxygen Gas Isotopes in the Siple Dome and Byrd Ice Cores, Antarctica [NSIDC-0407]   PARENT DIF
This data set consists of Gas-isotopic data from the Siple Dome and and Greenland Ice Sheet Project 2 (GISP2) ice cores covering roughly the last 100,000 years (100 ka), consisting of d15N (15N/14N) ...


20. Greenland Summit Ice Cores [ARCSS008]
From 1989 to 1994, the U.S. and European scientific communities supported a bold undertaking to acquire an extensive paleoclimate record for the Northern Hemisphere. These efforts, termed the Greenland ...


21. Into the Arctic -- Information and Educational Activities for Studying Climate [ARCSS069]
'Into the Arctic' contains educational materials about climate and climate history in the Arctic that use real data and questions from the Greenland Ice Sheet Project Two (GISP2). Beginning in 1993, ...


22. 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 ...


23. 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 ...


24. Tephra in Siple and Taylor Dome Ice Cores [NSIDC-0110]
This data set consists of electron microprobe geochemical analyses of glass shards sampled from Siple Dome and Taylor Dome ice cores during the 1999-2000 field season. Geochemical data are in tab-delimited ...


25. 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 ...


26. 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 ...


27. 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 ...


28. McMurdo Dry Valleys Long-Term Ecological Research (MCM LTER) Core Glacier Mass Balance Data, Antarctica [NSIDC-0421]
As part of the Long Term Ecological Research (LTER) project in the McMurdo Dry Valleys of Antarctica, a systematic sampling program has been undertaken to monitor mass balance of the Taylor Valley ...


29. Soluble Impurities in the Byrd Station Ice Core, Antarctica [NSIDC-0476]
This data set consists of results of analyses of the major soluble impurities (Hydrogen, Sodium, Ammonium, Potassium, Sulfate, Nitrate, Chlorine ions) made on bulk samples selected at approximately ...


30. Continuous Ultra-Trace Ice Core and Other Environmental Analyses [Continuous_Ultra-Trace_Ice_Core_and_Other_Environmental_Analyses]
Acquisition will expand research capabilities for DRI and University and Community College System of Nevada (UCCSN) faculty working in various fields (e.g., pollution aerosols in precipitation, ...


31. US ITASE Ice Core Data (Isotopes) [SteigITASE]
Isotope data (deltaD and delta18O) at subannual resolution from shallow ice cores in Antarctica, collected as part of the US component of the ITASE (International TransAntarctic Scientific Expedition) ...


32. 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, ...


33. 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 ...


34. Twenty-Three Century-scale Ice Core Records of Hydrogen Peroxide (H2O2) from West Antarctica [NSIDC-0392]
This data set contains sub-annually resolved concentrations of hydrogen peroxide (H2O2), snow, firn and ice from 23 sites on the West Antarctic Ice Sheet (WAIS. Data were obtained from 2000 to 2003 ...


35. 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. Here we compare CO2 variations on millennial time scales between ...


36. 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 ...


37. The Microstructural Location and Effects of Impurities in Polar Ice Cores [baker_0440523]
This award supports a project to fully characterize the microstructure in ice cores, in particular the microstructural locations of impurities, defect structures and strain gradients. This work will ...


38. Bacteria abundance and chlorophyll-a concentrations from sea ice cores, July-August 2001, Continental Margin Western Antarctic Peninsula, GLOBEC. [bacteria_ice_SO]
Observations of bacteria abundance and chlorophyll-a concentrations were extracted from sea ice cores. Ice cores, ~1 meter in length, were obtained during 2 ship cruises to ...


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. Ice core climate signals from Mount Logan, Yukon, A.D. 1700-1987, Climate Since A.D. 1500 Database, WDC Paleoclimatology [NOAA_WDCPALEO_CLIM1500_CH25]   PARENT DIF
Data from Holdsworth et al. Mount Logan oxygen isotope (delta O-18) and net accumulation data (meters of water equivalent, per year) (Figures 25.3 and 25.4 in Bradley and Jone (1992)).


41. NICL Ice Cores Inventory (including GISP2) for Paleoclimate Data [EARTH_LAND_NGDC_PALEO_NICL_GISP]
The NICL Inventory describes the ice core holdings of the National Ice Core Laboratory (NICL), a facility for storing, curating, and studying ice cores recovered from the world's polar ...


42. Vostok Antarctic Ice Core Data for 420,000 years, from WDC Paleoclimatology [EARTH_LAND_NGDC_PALEO_VOSTOK1]
The Vostok Ice Core Data is one of the primary Antarctic Paleoclimate Datasets. It covers the time from the present back to 422,000 years before the present. It is available from the World ...


43. Ice Core Microparticle Analyses of the Collins Ice Cap on King George Island in West Antartica [PRIC_GLACIO_MICROPART]
At the Climate Change Research Center, the University of New Hampshire, USA, continuous measurement of microparticles was conducted on the top 45m of an ice core, which was drilled at ...


44. Mass Balance of the Collins Ice Cap on King George Island in West Antarctica [PRIC_GLACIO_MASSBAL]
Mass balance observations were carried out during the 1991/1992 Chinese Antarctica Expedition, when 64 stakes and 15 snow pits were established on Little Dome. Nine sets of simultaneous ...


45. 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 ...


46. 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 ...


47. 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 ...


48. Stable isotopes in the Moulton ice field horizontal ice, West Antarctica [Moulton_ice_isotopes]
Stable isotope values (delta D, delta 18O and deuterium excess) for the near surface ice at Mt Moulton, West Antarctica. Data measured at INSTAAR, University of Colorado. Standard is ...


49. US International Trans-Antarctic Scientific Expedition (US ITASE) Glaciochemical Data, 1999-2003 [US_ITASE_GLACIOCHEMICAL_DATA]
Sub-annually resolved ice core chemistry data from all over West Antarctica. Ions include Sodium (Na), Chloride (Cl), Sulfate (SO4 - including non-sea-salt SO4 and excess SO4), and annual accumulation ...


50. Greenland Ice Core Project (GRIP) Methane Data, NOAA/NCDC, WDC Paleoclimatology [NGDC_WDCA_PALEO_GRIP_CH4]
This data set consists of atmospheric methane (CH4) concentrations from the 3,230 m ice core taken by the Greenland Ice-core Project (GRIP) covering the period between 40,000 and 8,000 yBP. Methane ...


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