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3965 Titles Match Your Query
Showing 1 through 50 of 3965 Next
1. 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. ...


2. 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 ...


3. Average Annual Layer Thickness of the WAIS Divide Ice Core from Visual Stratigraphy [NSIDC-0603]
This data set includes ~50 m averaged annual layer thicknesses down to 3403 m depth at the West Antarctic Ice Sheet (WAIS) Divide ice core as observed visually using diffuse transmitted light opposite ...


4. Borehole Temperature Measurement in WDC05A in January 2008 and January 2009 [NSIDC-0637]
This data set includes borehole temperature measurements performed in January 2008 and January 2009 at the West Antarctic Ice sheet divide from the 300 m hole WDC05A.


5. Borehole Temperatures at Pine Island Glacier, Antarctica [NSIDC-0627]
This data set is a time series of borehole temperatures at different depths from three thermistor strings deployed in three boreholes drilled through the Pine Island Glacier ice shelf, Antarctica.


6. 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 ...


7. 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.


8. 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).


9. Firn Permeability and Density at WAIS Divide [NSIDC-0602]
This data set contains laboratory measurements of the density and permeability made from firn cores from the lock-in zone through pore close-off at the WAIS Divide and Megadunes sites.


10. 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 ...


11. Ice Sheet Model Output, West Antarctic Ice Sheet Deglaciation [NSIDC-0639]
Ice-sheet model output of Antarctic Ice Sheet simulations spanning 30,000 years BP to 5000+ years in the future.


12. Iceberg Capsize Kinematics and Energetics [NSIDC-0590]
This data set represents a typical single iceberg capsize experiment. Included in this data set are all the parameters of the plastic iceberg's density and dimensions, the density of the water surrounding ...


13. Inverted Basal Shear Stress of Antarctic and Greenland Ice Streams and Glaciers [NSIDC-0626]
This data set includes basal shear distributions inferred from surface observations - surface ice velocities (Joughin et al., 2010, Rignot et al., 2011), bed and surface elevations (Fretwell et al., ...


14. 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 ...


15. Low-res d15N and d18O of O2 in the WAIS Divide 06A Deep Core [NSIDC-0660]
This data set is a low-resolution set of measurements of d15N of N2 and d18O of O2, along with dO2/N and dAr/N2 supporting data, in the WAIS Divide 3405 m long ice core recovered in 2011. Data are ...


16. 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, ...


17. 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 ...


18. Measurements of Air and Snow Photochemical Species at WAIS Divide, Antarctica [NSIDC-0585]
This data set contains atmospheric mixing ratios of nitric oxide, ozone, hydrogen peroxide, methylhydroperoxide, and concentrations in surface snow and in snow pits of nitrate, nitrite, and hydrogen ...


19. Methyl Bromide Measurements in the Taylor Dome M3C1 Ice Core [NSIDC-0598]
The data set includes methyl bromide (CH3Br) measurements made on air extracted from 70 samples from the Taylor Dome M3C1 ice core. CH3Br was measured in air from the Taylor Dome ice core to reconstruct ...


20. Methyl Chloride Measurements in the Taylor Dome M3C1 Ice Core [NSIDC-0600]
This data set includes methyl chloride (CH3CI) measurements made on air extracted from 62 samples from the Taylor Dome M3C1 ice core in East Antarctica. CH3CI was measured in ...


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


22. Siple Dome A (SDMA) Grain Orientation 640 - 790 Meters [NSIDC-0526]
This data set characterizes the microstructure in ice cores, in particular the microstructural locations of impurities, grain orientations, and strain gradients. The fabric of polycrystalline ice ...


23. Snowpit Chemistry - Methods Comparison, WAIS Divide, Antarctica [NSIDC-0620]
Measurements of a suite of trace elements in snow pit samples from WAIS Divide, Antarctica.


24. Surface Temperature Reconstruction from Borehole Temperature Measurement in WDC05A [NSIDC-0638]
This data set shows the modeled surface temperature reconstruction from an inversion of the 300 m WDC05A borehole at the West Antarctic Divide Ice core site.


25. 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 ...


26. Temperature of the West Antarctic Ice Sheet [NSIDC-0537]
This data set contains temperature-depth profile measurements taken in 22 boreholes drilled on the West Antarctic Ice Sheet, which exhibit two distinctly different thermal states of basal ice: a warm ...


27. Videos of Basal Ice in Boreholes on the Kamb Ice Stream in West Antarctica [NSIDC-0528]
This data set is a collection of video data of basal ice taken in a borehole on the Kamb Ice Stream in West Antarctica. Ice streams are an expression of the inherent instability of the West Antarctic ...


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


29. 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.


30. 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 ...


31. WAIS Divide Sonic Log Data [NSIDC-0592]
This data set contains a record of speeds for vertically-propagating compression-waves measured throughout the depth of ice that surrounds the WAIS-D borehole. Multiple logs provide redundant measurements ...


32. Identifying Adaptive Responses of Polar Fishes in a Vulnerable Ecosystem [NSF-ANT10-40945]
The proposed research will investigate the interacting and potentially synergistic influence of two oceanographic features - ocean acidification and the projected rise in mean sea surface temperature ...


33. Identifying Adaptive Responses of Polar Fishes in a Vulnerable Ecosystem [NSF-ANT14-47291]
The proposed research will investigate the interacting and potentially synergistic influence of two oceanographic features - ocean acidification and the projected rise in mean sea surface temperature ...


34. Integrated Ecological Investigation of McMurdo Dry Valley's Active Soil Microbial Communities [NSF-ANT11-42096]
The McMurdo Dry Valleys in Antarctica are among the coldest, driest habitats on the planet. Previous research has documented the presence of surprisingly diverse microbial communities in the soils ...


35. Ocean Surfaces on Snowball Earth [NSF-ANT11-42963]
The climatic changes of late Precambrian time, 600-800 million years ago, included episodes of extreme glaciation, during which ice may have covered nearly the entire ocean for several million years, ...


36. Redox Balance in Antarctic Notothenioid Fishes: Do Icefishes Have an Advantage? [NSF-ANT10-43781]
Antarctic channichthyid icefishes are stunning examples of the unique physiological traits that can arise during evolution in a constantly cold environment. Icefishes are the only vertebrates that ...


37. Redox Balance in Antarctic Notothenioid Fishes: Do Icefishes Have an Advantage? [NSF-ANT10-43576]
Antarctic channichthyid icefishes are stunning examples of the unique physiological traits that can arise during evolution in a constantly cold environment. Icefishes are the only vertebrates that ...


38. Allied Whale / College of Atlantic North Atlantic Humpback Whale Catalogue, 1976 - 2003, ver2 [seamap73]   PARENT METADATA
The Ocean Biogeographic Information System - Spatial Ecological Analysis of Megavertabrate Populations (OBIS-SEAMAP) is a spatially referenced database of data related to marine mammals, birds and ...


39. Allied Whale North Atlantic Finback Whale Catalogue [seamap72]   PARENT METADATA
The North Atlantic Finback Whale Catalogue is a sightings based, life history dataset of individual finback whales, inhabiting the Western North Atlantic Ocean. Established in 1986 as a collaborative ...


40. Bahamas Marine Mammal Survey Aerial Sightings [seamap330]   PARENT METADATA
The Bahamas Marine Mammal Survey (BMMS) is a long-term study that has been documenting the occurrence, distribution, and abundance of marine mammals around the islands of The Bahamas since 1991. With ...


41. Biological Investigations of Marine Antarctic Systems and Stocks (BIOMASS) Programme [seamap75]   PARENT METADATA
The Biological Investigations of Marine Antarctic Systems and Stocks (BIOMASS) Programme was established in the late 1970's for the study of the Antarctic marine ecosystem and its living resources ...


42. Carbonyl Sulfide Measurements in the Taylor Dome M3C1 Ice Core [NSIDC-0599]
The data set includes carbonyl sulfide (COS) measurements made on air extracted from 53 samples from the Taylor Dome M3C1 ice core. COS was measured in air from the Taylor Dome ice core to reconstruct ...


43. Cascadia Research Blue Whale Photo IDs for US West Coast, 1972-2002 [seamap99]   PARENT METADATA
This dataset consists of over 6,560 sighting records of over 1,803 uniquely identified blue whales. These were collected by Cascadia Research and collaborators from the eastern North Pacific from ...


44. Casey Key Loggerheads - Southwest Florida [seamap336]   PARENT METADATA
The history of sea turtle research is shaped by researchers having convenient access to turtles while nesting on land. However, marine turtles face threats for the other 99% of their life cycle in ...


45. Cayman Islands 2004: Loggerhead and Green Turtles [seamap350]   PARENT METADATA
When Christopher Columbus discovered the Cayman Islands in 1503, he named them "Las Tortugas" (the turtles). Ferdinand Columbus recounted that the islands were "?full of tortoises, as was all the ...


46. Duke Marine Lab Albatross Tagging, 1997-1999 [seamap74]   PARENT METADATA
Four female and one male black-footed albatross (Phoebastria nigripes) were tracked using satellite telemetry during their post-breeding summer dispersal (July ? September, 1997?1999). The females ...


47. Duke North Atlantic Harbor Porpoise Tracking [seamap83]   PARENT METADATA
These data were obtained from harbour porpoises (Phocoena phocoena) equipped with satellite-linked transmitters in the Gulf of Maine. All porpoises were obtained from herring weirs on the island of ...


48. Islas Canarias (Proyecto Aegina): juvenile loggerheads [seamap347]   PARENT METADATA
Aegina is a cooperation project between Gobierno de Canarias (Spain) and Republic of Cabo Verde; the main goal of the project is to propose a management plan for the Protected Marine Areas important ...


49. MEDITS seabird surveys 1999 / 2000 / 2002 [seamap334]   PARENT METADATA
Replicate spring-time (May - June) vessel-based surveys in the Western Mediterranean during standardized trawl surveys of the Spanish continental shelf and slope over three years (1999, 2000, 2002), ...


50. MEaSUREs Greenland Ice Velocity: Selected Glacier Site Velocity Maps from InSAR [NSIDC-0481]
This data set is part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program. This data set provides maps of glacier outlet areas, some of which have shown ...


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