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1. 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 ...


2. GPR/GPS surveys and analysis of a firn core from the Gawn Ice Piedmont Glacier to examine Holocene climate history [K049_1999_2008_NZ_11]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


3. Holocene climate history from ice cores, snow profiles, the glacial system and local climate patterns from the Evans Piedmont Glacier, Victoria Land Coast Antarctica [K049_1999_2008_NZ_6]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


4. Holocene climate history from ice cores, snow profiles, the glacial system and local climate patterns from the Mt Erebus Saddle, Antarctica [K049_1999_2008_NZ_7]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from Mt Erebus ...


5. Holocene climate history from ice cores, snow profiles, weather and glacier investigations (topography, mass balance and bedrock mapping) of the Victoria Lower Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_2]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from two ...


6. Holocene climate history from investigations of the glacial system, ice cores and local climate patterns from Skinner Saddle, Victoria Land Coast Antarctica [K049_1999_2008_NZ_10]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from Skinner ...


7. Holocene climate history from investigations of the glacial system, ice cores and local climate patterns from Skinner Saddle, Victoria Land Coast Antarctica - K049_1999_2012_NZ_10 [K049_1999_2012_NZ_10]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from Skinner ...


8. Holocene climate history obtained from ice cores, snow profiles (density, chemistry, structure), snow samples (dust origin) and climate measurements from the Baldwin Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_3]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


9. Holocene climate history obtained from snow profiles (chemistry, dust flux, temperature, structure), firn cores and climate measurements from the Wilson Piedmont Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_4]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


10. Investigation of dust inputs into McMurdo Sound, oxygen and hydrogen isotopes and snow/firn density from firn cores from Windless Bight, Antarctica [K049_1999_2008_NZ_8]   PARENT DIF
Two firn cores (21m and 20m) were recovered from Windless Bight to quantify dust input into the McMurdo Sound. In addition, oxygen and hydrogen isotopes as well as snow/firn density were measured.


11. Investigation of the Holocene climate history from analysis of the glacial system, ice cores and snow samples from the Whitehall Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_9]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


12. New Zealand International Transantarctic Scientific Expedition (NZ ITASE) - Climate variability measured from ice cores taken along the Victoria Land Coast [K049_1999_2008_NZ_1]   CHILD DIFs
The climate of the Victoria Land Coast is created by the interacting influences of the Dry Valleys, East Antarctic Ice Sheet and the Ross Sea. Slight changes can significantly alter local weather ...


13. Snow profiles (analysed for snow chemistry, isotope ratios dust flux and mineralogy) along a transect from the coast towards the East Antarctic Ice Sheet to interpret Holocene climate records [K049_1999_2008_NZ_5]   PARENT DIF
In order to interpret the climate record contained in the ice cores from Victoria Lower Glacier it was necessary to trace air mass trajectories to distinguish between marine and continental influences. ...


14. Atmospheric CO2 Trapped in the Ice Core from Siple Dome, Antarctica, Version 1 [NSIDC-0202_1]
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 ...


15. Blue Ice Tephra II - Mt. DeWitt, Version 1 [NSIDC-0115_1]
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 ...


16. Continuous, Ultra-high Resolution WAIS-Divide Ice Core Methane Record 9.8-67.2 ka BP, Version 1 [NSIDC-0628_1]
This data set contains methane concentrations from a West Antarctic Ice Sheet (WAIS) Divide ice core obtained by an online, continuous technique (Stowasser, et al. 2012).


17. Digital Images of Thin Sections from Siple Dome, Version 1 [NSIDC-0127_1]
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 ...


18. Digital Imaging for Siple Dome Ice Core Analysis, Antarctica, Version 1 [NSIDC-0413_1]
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 ...


19. Dominion Range Snow Pit and Ice Core, 1984 and 1985, Version 1 [NSIDC-0087_1]
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 ...


20. Late Holocene Methane Concentrations from WAIS Divide and GISP2, Version 1 [NSIDC-0586_1]
This data set measures methane concentrations in ancient air trapped in the West Antarctic Ice Sheet (WAIS) Divide and Greenland Ice Sheet Project (GISP2) ice cores; presenting two, high-resolution ...


21. Major Ion Concentrations in 2004 South Pole Ice Core, Version 1 [NSIDC-0542_1]
A 180 m ice core drilled at South Pole in 2004/2005 was analyzed for concentrations of major ions at a depth resolution of approximately 2 cm. Measured ions are chloride, nitrate, sulfate, sodium, ...


22. Major Ion Concentrations in WDC05Q and WDC06A Ice Cores (WAIS Divide), Version 1 [NSIDC-0544_1]
This data set contains major ion concentrations from the chemical analysis of two WAIS Divide ice cores (WDC05Q, 0-114 m; WDC06A, 0-129 m). The analytical technique is Mettler-based Continuous Flow ...


23. Methane Concentration and Chronology from the WAIS Divide Ice Core (WDC05A), Version 1 [NSIDC-0493_1]
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 ...


24. Methane Measurements from the GISP2 and Siple Dome Ice Cores, Version 1 [NSIDC-0440_1]
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 ...


25. Methane and Carbonyl Sulfide Analysis of Siple Dome Ice Core Subsamples, Version 1 [NSIDC-0131_1]
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. ...


26. Microparticle, Conductivity, and Density Measurements from the WAIS Divide Deep Ice Core, Antarctica, Version 1 [NSIDC-0499_1]
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 ...


27. Nitrogen and Oxygen Gas Isotopes in the Siple Dome and Byrd Ice Cores, Antarctica, Version 1 [NSIDC-0407_1]
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) ...


28. Ross Ice Drainage System (RIDS) Glaciochemical Analysis, Version 1 [NSIDC-0266_1]
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 ...


29. Siple Dome Cores Electrical Measurement Data, Version 1 [NSIDC-0133_1]
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. Siple Dome Ice Core Age-Depth Scales, Version 1 [NSIDC-0130_1]
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 ...


31. Siple Shallow Core Density Data, Version 1 [NSIDC-0129_1]
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 ...


32. Sulfate-Based Volcanic Record from South Pole Ice Core, Version 1 [NSIDC-0215_1]
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 ...


33. WAIS Divide Ice Core CO2, Version 1 [NSIDC-0651_1]
The data are measurements of carbon dioxide (CO2) from the WAIS Divide Ice Core, WDC06A, Antarctica.


34. WAIS Divide Ice Core Electrical Conductance Measurements, Antarctica, Version 1 [NSIDC-0591_1]
This data set contains electrical measurements that were used to develop the WDC06A-7 timescale.


35. WAIS Divide Ice Core Images, Antarctica, Version 1 [NSIDC-0375_1]
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 ...


36. WAIS Divide Microparticle Concentration and Size Distribution, 0-2400 ka, Version 1 [NSIDC-0616_1]
This data set includes raw dust microparticle data for the WAIS Divide deep core, WDC06A, from the surface to 577 m. Data were collected in 2010 using a Klotz Abakus laser particle counter connected ...


37. WAISCORES Snow Pit Chemistry, Antarctica, Version 1 [NSIDC-0420_1]
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. ...


38. IPY: Stability of Larsen C Ice Shelf in a Warming Climate [steffen_0732946]
Our ground penetrating radar surveys focused on key structural features of the ice shelf, including basal crevasses, marine ice and rifts. Here we present our published work on basal crevasses. ...


39. SAFARI 2000 1-Degree Estimates of Burned Biomass, Area, and Emissions, 2000 [s2k_one_deg_biomass_754_1]
A new method is used to generate spatial estimates of monthly averaged biomass burned area and spatial and temporal estimates of trace gas and aerosol emissions from open fires in southern Africa. ...


40. US ITASE-00-1 ice core (Research funded by NSF OPP) [US_ITASE-00-1_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


41. US ITASE-00-2 ice core (Research funded by NSF OPP) [US_ITASE-00-2_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


42. US ITASE-00-3 ice core (Research funded by NSF OPP) [US_ITASE-00-3_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


43. US ITASE-00-4 ice core (Research funded by NSF OPP) [US_ITASE-00-4_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


44. US ITASE-00-7 ice core (Research funded by NSF OPP) [US_ITASE-00-7_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


45. US ITASE-01-2 ice core (Research funded by NSF OPP) [US_ITASE-01-2_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


46. US ITASE-01-4 ice core (Research funded by NSF OPP) [US_ITASE-01-4_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


47. US ITASE-01-5 ice core (Research funded by NSF OPP) [US_ITASE-01-5_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


48. US ITASE-01-6 ice core (Research funded by NSF OPP) [US_ITASE-01-6_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


49. US ITASE-02-1 ice core (Research funded by NSF OPP) [US_ITASE-02-1_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


50. US ITASE-02-2 ice core (Research funded by NSF OPP) [US_ITASE-02-2_12_03_2008]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


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