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83 Titles Match Your Query
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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. 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 ...


3. 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 ...


4. 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 ...


5. 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) ...


6. 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 ...


7. Late Paleocene Osmium Isotope Data [NOAA_NCDC_PALEO_2001-051]
Marine Osmium records during the late Paleocene thermal maximum interpreted as proxies of terrestrial chemical weathering. Core DSDP-213 Indian Ocean Core DSDP-549 North Atlantic Ocean


8. 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 ...


9. 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 ...


10. 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 ...


11. Albian to Eocene Atlantic ODP Leg 207 Foraminiferal Stable Isotope Data [NOAA_NCDC_PALEO_2005-084]
We report oxygen and carbon stable isotope analyses of foraminifers, primarily planktonic, sampled at low resolution in the Cretaceous and Paleogene sections from Sites 1257, 1258, and 1260. Data ...


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. Antarctic and Greenland Synchronization Data for the Last Glacial Period from WDC-A/Paleoclimatology [NOAA_NGDC_PALEOCLIMATE_SYNCHRO]
This data set consists of isotopic, carbon dioxide (CO2), and methane (CH4) data collected from the Byrd and Vostok ice cores (Antarctica) and the Greenland Ice Core Project (GRIP). Data from the ...


14. Atlantic DSDP Lower Cretaceous Carbonate Geochemistry Data [NOAA_NCDC_PALEO_1999-031]
Striking cyclic interbeds of laminated dark-olive to black marlstone and bioturbated white to light-gray limestone of Neocomian (Early Cretaceous) age, the Blake-Bahama Formation, have been recovered ...


15. California Current Reconstruction from Benthic Isotopes and Alkenone Temperatures [NOAA_NCDC_PALEO_2001-058]
This data set consists of California Current Reconstruction from Benthic Isotopes and Alkenone Temperatures.


16. 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 ...


17. Carbon-13 Isotopic Abundance and Concentration of Atmospheric CH4 for Background Air (1978-1989), CDIAC NDP-049 [CDIAC_NDP049]
This Numeric Data Package (NDP-049) consists of atmospheric methane (CH4) concentrations and carbon-13 isotopic abundance derived from air samples collected over the period 1978-1989 at globally distributed ...


18. 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. ...


19. Chilibrillo Cave, Panama Speleothem Stable Isotope Data [NOAA_NCDC_PALEO_2004-061]
The effect of the El NiƱo/Southern Oscillation (ENSO) on tropical rainfall variations of the past two millennia is largely unknown. High-resolution monsoon records are sparse, despite the role of ...


20. Cold Air Cave Stalagmite 25KYr Stable Isotope Data [NOAA_NCDC_PALEO_2005-034]
Data from stalagmites in the Makapansgat Valley, South Africa, document regional climatic change in southern Africa in the Late Pleistocene and Holocene. A new TIMS U-series dated stalagmite indicates ...


21. 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 ...


22. 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 ...


23. 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. ...


24. Deep Lake Minnesota Sediment Data for Abrupt Holocene Climate Change [NOAA_NCDC_PALEO_2000-013]
This data set consists of Deep Lake Minnesota Sediment Data, used for Abrupt Holocene Climate Change analysis by Hu et al.


25. 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 ...


26. Denmark Strait/Southeast Greenland IRD Event Data. [NOAA_NCDC_PALEO_1999-020]
This data set consists of grain size, IRD, MS, and foraminifer isotope results from Core HU93030-007, Greenland Slope. Core taken 09/04/93 on CSS Hudson (Asprey et al., I994, Cruise Report) on the ...


27. 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 ...


28. Eastern Equatorial Pacific 150KYr Sedimentary Opal Data [NOAA_NCDC_PALEO_2006-082]
We have measured 230Th-normalized opal fluxes in several cores from the eastern equatorial Pacific (EEP) to test the validity of the "silica leakage" hypothesis, which purports that redistribution ...


29. Eastern Equatorial Pacific Glacial Planktonic Oxygen Isotope Data [NOAA_NCDC_PALEO_2005-028]
This data set consists of Eastern Equatorial Pacific glacial planktonic oxygen isotope data. Oxygen isotope data from the planktonic foraminifera Globigerinoides sacculifer and Globigerinoides ruber. ...


30. Elk Lake, Minnesota, Paleoclimate Data, WDC Paleoclimatology [EARTH_LAND_NGDC_PALEOCL_ELKLAKE]
This data set contains data files of various parameters collected in Elk Lake, Minnesota. The lake has generated considerable interest due to its 10,000 year record of varved sediments. Extensive ...


31. Eocene/Oligocene Boundary Paleoproductivity Data [NOAA_NCDC_PALEO_98-002]
Stable isotope and 14C dates for 5 cores in the central Arctic Ocean. Stable Isotope Data Files (*.data.txt): core depth, delta O-18 (Neogloboquadrina pachyderma sin.), delta ...


32. 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 ...


33. 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 ...


34. 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 ...


35. 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 ...


36. 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 ...


37. 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 ...


38. 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 ...


39. High resolution studies of cosmogenic beryllium isotopes (10Be) at Law Dome [beryllium_10be_isotopes_lawdome]
Energy from the Sun drives the Earth's climate system but this energy varies: there is an 11 year solar cycle and the Sun's intensity has varied over longer timescales. Reconstructing how the Sun's ...


40. High resolution studies of cosmogenic beryllium isotopes (7Be) at Law Dome [beryllium_7be_isotopes_lawdome]
Energy from the Sun drives the Earth's climate system but this energy varies: there is an 11 year solar cycle and the Sun's intensity has varied over longer timescales. Reconstructing how the Sun's ...


41. 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 ...


42. Holocene High-Resolution Labrador Shelf Sediment Data [NOAA_NCDC_PALEO_1999-064]
The data from HU87-33-017 and 018 consist of 6 files which detail the sedimentology stable isotope results, foraminiferal percentages, and rock magnetic properties.


43. Ionian Sea Benthic Foraminiferal Data [NOAA_NCDC_PALEO_1998-023]
1) Ionian1.txt This file contains the raw data of single benthic foraminiferal species against core depth and interpolated age. 2) Ionian2.txt This file contains planktic foraminiferal isotope data, ...


44. 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, ...


45. Late Cretaceous and Early Paleogene Nutrient and Paleoproductivity Data [NOAA_NCDC_PALEO_2003-034]
We evaluate phosphorus (P) and biogenic barium (bio-Ba) as nutrient burial and export productivity indicators for the Late Cretaceous and early Paleogene, combining these with calcium carbonate ...


46. Late Quaternary North Atlantic IRD and Isotope Data [NOAA_NCDC_PALEO_1999-053]
Planktonic and benthic stable isotope data from core NEAP18K are stored as individual separate files in the depth domain and as a single composite file in the age domain. This is because (i) the sampling ...


47. 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, ...


48. 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 ...


49. Major Climate Terminations Data [NOAA_NCDC_PALEO_97-024]
The data from figure 1 of Raymo (1997) are presented in the following eleven data files (one for each core presented). Each data set consists of depth in core and oxygen isotope data. To construct ...


50. Marine Isotope Stage 5/Termination II Data [NOAA_NCDC_PALEO_2001-050]
Stage 5 Isotope, Faunal and Lithic Data The files are ASCII formatted files that contain: Site 1059: 1059_rubiso.txt: Core/hole/core/section, depth(cm), mcd(m), age(ka), C13 of G. ruber, O18 of ...


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