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1613 Titles Match Your Query
Showing 1 through 50 of 1613 Next
1. WAIS Divide Ice Core Electrical Conductance Measurements, Antarctica [NSIDC-0591]
This data set contains electrical measurements that were used to develop the WDC06A-7 timescale.


2. Palaeoclimate Analysis of Sediment Cores from the Fjords and Lakes of the Vestfold Hills [ASAC_784]
From the abstracts of some of the referenced papers: The relationship between surface sediment diatom assemblages and measured limnological variables in 33 coastal Antarctic lakes was examined by ...


3. USGS 1:100,000 Quadrangles of the Missouri River Basin Region [USGS_MO_RIVER_MAPS]
This site contains USGS 1:100,000 quadrangle maps for the counties located in the Missouri River Basin. The types of maps available for particular counties include the 1993 Flood Extent map; a map ...


4. NCEI Marine Geology Data Archive [gov.noaa.ngdc.Marine_Geology_First]
Marine Geologic data compilations and reports in the NCEI archive are from academic and government sources around the world. Over ten terabytes of analyses, descriptions, and images of sediment and ...


5. Distribution of Holocene Sediment in Chesapeake Bay [USGS_OFR_2004_1235]
The distribution of sedimentary environments presents the limited domain of deposits from "River Input", the flood tide wedge of "Atlantic Sediment", and the extensive region of indigenous, recycled ...


6. A study of the glacial history of the McMurdo Oasis by the dating of lacustre carbonates [K009_1979_1980_NZ_1]   PARENT METADATA
Three holes were drilled into frozen sediments around Lake Fryxell. The first was 4ft in depth in frozen silts approx 50m NW of the Fryxell Hut. The second hole was 30m east of the first hole and ...


7. An assessment of some uncertainties in using ice core S180 data to deduce past temperatures [ASAC_987]
This project has no actual data to archive, but several pdf copies of publications produced from this work are available for download to AAD staff only from the provided URL. Taken from the abstracts ...


8. Geochemical and geochronology of late quaternary glaciations in the McMurdo Sound Region [K009_1982_1983_NZ_1]   PARENT METADATA
The history and mechanics of the late Wisconsin age lakes which have periodically filled many of the lower portions of many of the Valleys that open into McMurdo Sound was studied from samples taken ...


9. 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 ...


10. The geochemistry of Antarctic snow, Vostok Station [K009_1977_1978_NZ_1]
Thin layers of snow (as thin as a fraction of a millimetre) were taken and analysed for sodium in a flame photometer. When thin layers of snow are analysed for sodium an annual pattern is found with ...


11. LD2000 isotope stack - Law Dome d18O data 1800-1999 as annual averages [ASAC_757_LD2000]   PARENT METADATA
"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, T. D., Dixon, ...


12. Palaeontology and Palaeoenvironment of the Marine Plain area (Vestfold Hills) in the Pliocene [ASAC_884]
This project is very closely related to ASAC project 666 (ASAC_666). See that project for more details. A copy of the masters thesis arising from the project is attached to the record. Physical ...


13. Pleistocene sedimentary deposits on subantarctic Macquarie Island: Contribution to IGBP-Pages Pole Equator Pole Transect II [ASAC_904]
Macquarie Island is an emergent part of the Macquarie Ridge Complex composed of ocean-floor rocks of Miocene age now 4000 m above the ocean floor. A number of landforms, including palaeobeaches now ...


14. Quaternary Vegetation History of Australian Subantarctic Islands [ASAC_77]
From the abstracts of some of the referenced papers: On Macquarie Island six palaeolake deposits dated from terminal Pleistocene to early-mid Holocene have been found at the top of cliffs which ...


15. Rates of Quaternary Ice Movement Across the Vestfold Hills from Exposure Age Dating. [ASAC_831]
The data set consist of in-situ cosmogenic Be-10 and Al-26 surface exposure ages for subglacial erratics in the Vestfold Hills. Samples were collected during the 1994/95 summer season and processed ...


16. West Antarctica Ice Core and Climate Model Data [NSIDC-0536]
This data set includes ice core water isotope data from Antarctic ice cores covering the last 200 to 2000 years.


17. SAFARI 2000 1-Degree Estimates of Burned Biomass, Area, and Emissions, 2000 [doi:10.3334/ORNLDAAC/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. ...


18. Neogene Paleoecology of the Beardmore Glacier Region [NSF-ANT09-47821]
The Meyer Desert Formation at the Oliver Bluffs on the Beardmore Glacier is one of the most important terrestrial fossil deposits in Antarctica. Focus during the field study was on making additional ...


19. C-axis Fabric from Physical Properties Samples of the WAIS Divide Ice Core [NSIDC-0605]
This data set contains c-axis fabric measurements and grain area from the physical properties samples taken from the main West Antarctic Ice Sheet (WAIS) Divide ice core, WDC06A , Antarctica.


20. Continuous, Ultra-high Resolution WAIS-Divide Ice Core Methane Record 9.8-67.2 ka BP [NSIDC-0628]
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).


21. Gases in Firn Air and Shallow Ice at the WAIS Drilling Site, Antarctica [NSIDC-0412]
This data set contains trace gas measurements of air extracted from ice core samples from the West Antarctic Ice Sheet Divide A core (WAIS-D 05A). The WAIS A core was dry-drilled at the WAIS site ...


22. Major Ion Chemistry Data of WAIS Divide Ice Core Brittle Ice [NSIDC-0546]
The brittle ice section (577-1300 m) of the main WAIS Divide ice core (WDC06A) was analyzed for major ion concentrations with ion chromatography.


23. Major Ion Concentrations in WDC05Q and WDC06A Ice Cores (WAIS Divide) [NSIDC-0544]
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 ...


24. Methane Concentration and Chronology from the WAIS Divide Ice Core (WDC05A) [NSIDC-0493]
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 ...


25. Methane Isotopes from the WAIS Divide Ice Core [NSIDC-0435]
This data set includes methane (CH4) isotope data from the West Antarctic Ice Sheet (WAIS) Divide ice core, WDC05A, in Antarctica. The data include depth, gas age, and the isotopic composition of ...


26. 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 ...


27. 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, ...


28. Temperature Profile of the West Antarctic Ice Sheet Divide Deep Borehole [NSIDC-0550]
This data set reports depth versus temperatures in the fluid-filled portion of the West Antarctic Ice Sheet Divide (WAIS?D) deep borehole (70 to 3328 meters depth). Data were acquired on December ...


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



30. 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 ...


31. WAIS Divide Laser Dust Logger Data [NSIDC-0540]
This data set consists of data from optical logs made at the WAIS Divide with a laser dust logger in clear ice at depths between 1403.58 meters and 3329.8 meters.


32. WAIS Divide Microparticle Concentration and Size Distribution, 0-2400 ka [NSIDC-0616]
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 ...


33. Abrupt Change in Atmospheric CO2 During the Last Ice Age [NSIDC-0539]
During the last glacial period atmospheric carbon dioxide and temperature in Antarctica varied in a similar fashion on millennial time scales, but previous work indicates that these changes were gradual. ...


34. Allan Hills Stable Water Isotopes [NSIDC-0541]
This data set includes stable water isotope values at 10 m resolution along an approximately 5 km transect through the main icefield of the Allan Hills Blue Ice Area, and at 15 cm within a 225 m core ...


35. 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 ...


36. Biogenic Sulfur in the Siple Dome Ice Core [NSIDC-0201]
This data set is a continuous, high-resolution record of biogenic sulfur (methanesulfonate, known as MSA and CH3SO3-) in the 1000 m deep Siple Dome A (SDMA) core, covering 100,000 to 20 years BP. ...


37. 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 ...


38. 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 ...


39. Bubble Number-density Data and Modeled Paleoclimates [NSIDC-0538]
This data set includes bubble number-density measured at depths from 120 meters to 560 meters at 20-meter intervals in both horizontal and vertical samples. The data set also includes modeled temperature ...


40. 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 ...


41. 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 ...


42. 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 ...


43. High-resolution Atmospheric CO2 during 7.4-9.0 ka [NSIDC-0527]
This data set provides a new CO2 record from the Siple Dome ice core, Antarctica, that covers 7.4-9.0 ka (thousand years) with 8- to 16-year resolution. A small, about 1-2 ppm, increase of atmospheric ...


44. Ice Core Chemistry from the Norwegian-U.S. Scientific Traverse of East Antarctica, IPY 2007-2009 [NSIDC-0520]
This data set consists of sodium (Na) and magnesium (Mg) concentrations versus depth in seven ice cores that were obtained by the Norwegian-U.S. Scientific Traverse of East Antarctica during the International ...


45. Ice Fabric Characteristics: Siple Dome, A Core [NSIDC-0255]
This data set contains measurements of the orientation and deformation of the crystal c-axes (fabric) of ice core samples collected from the Siple Dome Ice Core A, Antarctica (81S, 148W) between ...


46. Ion Concentrations from SPRESSO Ice Core, Antarctica [NSIDC-0471]
This data set contains ion measurements from co-registered samples from the South Pole Remote Earth Science and Seismological Observatory (SPRESSO) ice core. The core was drilled during the 2002-2003 ...


47. LA-ICP-MS Results: 3 Siple Dome A Glacial Age Archives [NSIDC-0636]
This data set contains the results of Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) performed on an archive of the Siple Dome A ice core containing the rapid climate warming ...


48. Major Ion Concentrations in 2004 South Pole Ice Core [NSIDC-0542]
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, ...


49. Methane Measurements from the GISP2 and Siple Dome Ice Cores [NSIDC-0440]
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 ...


50. Methane and Carbonyl Sulfide Analysis of Siple Dome Ice Core Subsamples [NSIDC-0131]
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. ...


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