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1. Reconstructions of paleo winter sea ice concentrations and revised age models for marine sediment cores SO136-111 and E27-23. [ASAC_2534_winter_sea_ice]
The Holocene sea-ice project brings together for the first time, records from the Antarctic continent and deep sea sediments that will allow us to calibrate three sea-ice extent surrogates, validate ...


2. LBA-ECO TG-06 Vertical Profiles of Atmospheric Trace Gases over the Amazon Basin [TG06_VERTICAL_PROFILES]
This data set contains measurements of atmospheric carbon dioxide (CO2), methane (CH4), carbon monoxide (CO), hydrogen (H2), nitrous oxide (N2O), and sulfur hexafluoride (SF6) collected from December ...


3. Determination of the regimes of production in the Antarctic sea-ice during SIPEX 2 using Si, N, and C stable isotope in-situ incubation experiments and 13C and 14C primary production method intercomparison [SIPEX_II_Stable_Isotopes_Si_N_C]   PARENT DIF
Overview of the project and objectives: Assessing the contribution of the different N substrates to the primary production process, such as the biogenic silica production and dissolution in the Antarctic ...


4. Metadata file presenting the stable isotope toolbox used to describe the biogeochemical system functioning during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Stable_Isotopes]   CHILD DIFs   PARENT DIF
Overview of the project and objectives: To investigate whether the Nitrogen - Silicon - Carbon biogeochemical system functions in the Antarctic Marginal Ice Zone and shows spatial variability possibly ...


5. Trophic Ecology of the Antarctic Nearshore Zone - Stable Isotope datasets [TRENZ_Stable_Isotopes]   CHILD DIFs   PARENT DIF
Project Objectives 1) To describe trophic relationships in near shore marine benthic ecosystems of East Antarctica and determine the importance of environmental forces (such as sea ice and primary ...


6. 7 year oxygen isotope results from samples taken on Antarctic Plateau traverse, 1984 [oxygen-isotopes-plateau-1984]
A total of nine stations were sampled for oxygen isotopes during the 1984 spring traverse to the Antarctic Plateau. The aim of this program was to take a number of samples from a core or a pit, at ...


7. 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 ...


8. Delta Oxygen-18 isotope data: LGB traverses 1989-95 [LGB_Del_traverse]
The Lambert Glacier Basin (LGB) series of five oversnow traverses were conducted from 1989-95. Several shallow depth ice cores (15-60 m) were drilled at selected sites along 2014 km of the main traverse ...


9. Accessory mineral behaviour during partial melting in the crust - improving the geochronology of granulite terrains. [ASAC_2690]
Metadata record for data expected ASAC Project 2690 See the link below for public details on this project. Relating ages, determined using the decay of radioactive elements in minerals, to geological ...


10. Female Antarctic fur seal isotope data from Marion Island [ASAC_2940_Marion_Island_Isotopes]   PARENT DIF
To quantify the dietary preferences and trophic level consumption of post-breeding adult female Antarctic fur seals (Arctocephalus gazella), we analysed the carbon:nitrogen composition of whiskers ...


11. 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, ...


12. 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, ...


13. Stable isotope analysis of invertebrate epifauna collected around Casey station, East Antarctica, for the TRENZ program. [ASAC_2948_TRENZ_Stable_Isotopes]   PARENT DIF
A variety of epifaunal invertebrates were collected from hard substrates and soft sediment habitats at various sites in the Windmill Islands near Casey station in East Antarctica. Collected fauna ...


14. Carbon-Isotopic Composition of Atmospheric CO2 since the Last Glacial Maximum [NSIDC-0108]
These data describe the concentration and carbon-isotopic composition (d13CO2) of atmospheric CO2 from air trapped in ice between 27,000 and 1,300 years before present from Taylor Dome, Antarctica. ...


15. Concentration and Isotopic Composition of O2 and N2 in Trapped Gases of the Vostok Ice Core [NSIDC-0107]
These data describe the d18O of O2, d15N of N2, d18Oatm, and O2/N2 ratios of trapped gases in the Vostok ice core from East Antarctica. The investigator used a mass spectrometer to measure gas concentrations ...


16. 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. ...


17. 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 ...


18. 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 ...


19. Siple Dome Methane Record [NSIDC-0124]
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 ...


20. Snow-atmosphere Transfer Function for Reversibly Deposited Chemical Species in West Antarctica [NSIDC-0122]
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. ...


21. Taylor Dome Ice Core Data [NSIDC-0132]
The collection site is Taylor Dome, an ice-accumulation area on the East Antarctic ice sheet. The dome is a ridge about 20 x 80 km, which lies inland of the Transantarctic Mountains. Deep drilling ...


22. Visible Stratigraphic Dating, Siple Dome and Upstream C Cores [NSIDC-0121]
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. ...


23. 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, ...


24. Methane Isotopes in South Pole Firn Air, 2008 [NSIDC-0502]
This data set contains depth profiles for delta carbon-13 (δ13C) and delta deuterium (δD) of methane (CH4) in South Pole firn air. The investigators obtained air samples from ...


25. 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 ...


26. SPECMAP Project; Paleoclimate Data, NOAA/NCDC/WDC Paleoclimatology [EARTH_LAND_NGDC_PALEOCL_SPECMAP]
The SPECMAP paleoclimate archives at NOAA/NCDC World Data Center for Paleoclimatology consist of four (4) archives: ARCHIVE 1 contains 101 SPECMAP files, including planktonic counts and isotope values, ...


27. Collaborative Research: Stable Isotopes of Ice in the WAIS Divide Deep Ice Core [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 ...


28. Civil Aircraft for the Regular Investigation of the atmosphere Based on an Instrument Container (CARIBIC): Atmospheric Chemical and Physical Processes Measured from Passenger Aircraft [CARIBIC]
The Civil Aircraft for the Regular Investigation of the atmosphere Based on an Instrument Container (CARIBIC) is an aircraft based scientific project. Before take-off a special air freight container ...


29. BOREAS TE-05 CO2 CONCENTRATION AND STABLE ISOTOPE COMPOSITION [BOREAS_TE5AIRS]
The BOREAS group TE-05 collected measurements in the NSA and SSA on gas exchange, gas composition and tree growth. This data set contains measurements of the concentration and stable carbon (13C/12C) ...


30. 2008 South Pole Firn Air Methane Isotopes [sowers_0739491]
This project will involve the measurement of methane and other trace gases in firn air collected at South Pole, Antarctica. The analyses will include: methane isotopes, light non-methane hydrocarbons ...


31. Permafrost Water/Ice Chemistry in Russia [ggd189]
This data set is comprised of water and ice chemistry parameters from areas of massive ground ice in Kolguev Island and Svalbard in the west to Chukotka Peninsula in the east. Water, snow, and ice ...


32. Collaborative Research: Stable Isotopes of Ice in the WAIS Divide Deep Ice Core [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) ...


33. Multiple-isotope Analysis of Nitrate and Sulfate in the West Antarctic Ice Sheet Divide Ice Core [thiemens_0538520]
The goal of this project is to use the isotopic composition of sulfate and nitrate in the WAIS Divide core to help place better constraints on the oxidant composition of the pre-industrial atmosphere. ...


34. Hf isotopic compositions of the Napier Complex, Antarctica [Napier_Cmplx_Hf_isotopes]
The geochemical community is now assessing the evidence for the origin of the earliest crust and depletion of the Archean mantle through a variety of methods, including documentation of ...


35. Glacial Assessment: Past, Present and Future: Acquisition of Essential Research Instrumentation [vanderveen_OPP0321053]
The NSF OPP award # 0321053 supported a Major Research Instrumentation (MRI) purchase of equipment for Ohio State University's Glacial Assessment Program (GAP). The program has three major ...


36. Neodymium, strontium and lead isotope data from onshore and marine tills in Ross Sea and vicinity, Antarctica [CU_TILLS_NDSRPB]
This data set includes neodymium, strontium and lead isotope data from the < 63 micron size fraction from both onshore and marine surface tills from the Ross Sea and vicinity. From western ...


37. 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) ...


38. Temperature and salinity profiles of the water column during platelet ice formation and analysis of the structure and isotopic content of platelet ice [K131_1999_2000_NZ_2]
Platelet ice is a particular sea ice type that is prevalent in McMurdo Sound, probably due to the proximity of the Ross Ice Shelf. There are many details about the formation of platelet ice which ...


39. Geochemical and geomorphological investigations of the McMurdo Dry Valleys freshwater and saline water bodies [K211_1963_1987_NZ_1]   CHILD DIFs
Since the 1963-1964 season, Japanese scientists have studied major and trace elements, nutrient matter, stable and radioactive isotopes and organic constituents in lakes and ponds and geological samples ...


40. Geochemical studies, the natural abundance of nitrogen isotopes in soil and evaporates and observations of the sequential changes in the saline lakes of the Dry Valleys and surrounding areas [K211_1978_1979_NZ_1]   PARENT DIF
Geochemical studies on the tritium chronology of Lake Vanda, the natural abundance of nitrogen isotopes in soil and evaporites in the Dry Valleys and observations of the sequential changes in the ...


41. Geophysical studies of Lake Vanda, Wright Valley, including lake water and ice parameters and geomorphological studies of the surrounding physical environment with comparisons with other nearby water bodies [K211_1970_1973_NZ_1]   PARENT DIF
A geophysical study of Lake Vanda, Wright Valley was conducted over three seasons focussing on the heat balance of the lake with geochemical and geomorphological studies running concurrently. Comparisons ...


42. Limnological studies of Dry Valley lakes: water parameters (pH, conductivity, nutrients, temperature), uranium content, trace elements, isotopic ratio and tritium concentrations, and geochemical samples [K211_1984_1986_NZ_1]   PARENT DIF
A large number of saline and freshwater lakes and ponds of the Dry Valley area and crater lakes behind the McMurdo station were visited for limnological study including Lake Fryxell of the Taylor ...


43. Measurements of environmental radiation near Scott Base and McMurdo Station and in the McMurdo Dry Valleys [K211_1984_1985_NZ_1]   PARENT DIF
The level of environmental radiation (gamma ray exposure) due to terrestrial radionuclides was measured by using a portable NaI gamma ray survey meter in the Ross Island (near Scott Base and McMurdo ...


44. Historical Isotopic Temperature Record from the Vostok Ice Core [CDIAC_VOSTOK_TEMPS_TRENDS]
Glacial-interglacial temperature records were derived from the 2083-m ice core from Vostok, Antarctica, obtained during a series of drillings in th early 1970s and 1980. Temperature records ...


45. 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 ...


46. 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 ...


47. DSDP Site 607 Isotope Data and Age Models [NOAA_NCDC_PALEO_2004-010]
DSDP Site 607 (41.002N, 32.957W, 3427m. depth) Benthic oxygen and carbon isotope data set spanning the last 3 m.y. These data sets are compiled from a number of Raymo and Ruddiman publications. ...


48. Soil Geomorphic Record of Climate Change and Quaternary Landscape Evolution in Southern New Mexico (Chihuahuan Desert) [USDA0403]
The "Soil Geomorphic Record of Climate Change and Quaternary Landscape Evolution in Southern New Mexico (Chihuahuan Desert)" database tracks natural cycles of climate change and quaternary landscape ...


49. Miocene Mediterranean Foraminiferal Abundance and Isotope Data [NOAA_NCDC_PALEO_2001-070]
Foraminiferal abundance and oxygen isotope data from the Miocene Monte Gibliscemi section, Sicily, Italy. Bolboforma indicates a group of calcareous microfossils belonging to Protophyta (Spiegler ...


50. California Margin Foraminiferal Stable Isotope Data [NOAA_NCDC_PALEO_1999-061]
California Margin Foraminiferal Stable Isotope Data. Tab-delimited ASCII files of benthic and planktonic foraminiferal data. Each file is for a separate basin from the California margin. The cores ...


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