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108 Titles Match Your Query
Showing 1 through 50 of 108 Next
1. IPY Research: Investigating the Cryospheric Evolution of the Central Antarctic Plate (ICECAP) [blankenship_0733025]
This is the master metadata record for the ICECAP project, a four-year International Polar Year campaign to map the morphology, geology and glaciology of the major marine subglacial basins of East ...


2. AWS Data: Characteristics of Snow Megadunes and Their Potential Effect on Ice Core Interpretation [NSIDC-0283]
The Antarctic megadune research was conducted during two field seasons, one in November 2002 and the other during the period of December 2003 through January 2004. The megadune field site is located ...


3. Aerogeophysical survey of western Marie Byrd Land, Antarctica [SOAR1999WMB]
An aerogeophysical survey of the western Marie Byrd Land region of Antarctica was flown in Dec. 1998-Jan. 1999, measuring surface and base of ice elevation by radar and strength ...


4. COLLABORATIVE RESEARCH: Elevation Change Anomalies in West Antarctica and Dynamics of Subglacial Water Transport Beneath Ice Streams and their Tributaries [tulaczyk0636970]
We performed field and remote sensing investigations of Elevation Change Anomalies (henceforth ECAs) discovered recently in the Ross Sea sector of the West Antarctic Ice Sheet (WAIS) (Gray et al., ...


5. Chemistry and Dynamics of Atmospheric Oxidation of Volcanic Sulfur [Cole-Dai0337933]
This dataset contains chemical measurements of volcanic sulfate deposits in Antarctic snow, in a collaborative project between South Dakota State University (SDSU, Jihong Cole-Dai, PI) ...


6. Climate, Drift, and Image Data from Antarctic Icebergs A22A and UK211, 2006-2007 [NSIDC-0466]
This data set includes a variety of station data from two Antarctic icebergs. In 2006, researchers installed specialized weather stations called Automated Meteorological Ice Geophysical Observing ...


7. Climatology, Volcanism, and Microbial Life in Ice with Downhole Loggers [price_0440609]
This award supports a project to use two spectrofluorimeters - one with a 224-nm laser to excite protein fluorescence and non-protein aerosol and dust fluorescence, and the other with a 404-nm laser ...


8. Collaborative Research in IPY: Abrupt Environmental Change in the Larsen Ice Shelf System, a Multidisciplinary Approach - Cryosphere and Oceans [scambos_0732921]
This award supports the cryospheric and oceano-graphic components of an integrated multi-disciplinary program to address these rapid and fundamental changes now taking place in Antarctic Peninsula ...


9. Collaborative Research, IPY The Next Generation: A Community Ice Sheet Model for scientists and educators [hulbe_0632168]
Predictive modeling experiments on the Amundsen Sea Embayment region of Antarctica with the goal of understanding how interactions between basal processes and ice sheet dynamics can result in abrupt ...


10. Collaborative Research: Characteristics of Snow Megadunes and their Potential Effects on Ice Core Interpretation [scambos_0125570]
Field study and remote sensing measurements of an area of snow megadunes on the East Antarctic plateau provides a preliminary assessment of dune morphology, firn structure, and layering ...


11. Collaborative Research: Combined Physical Property Measurements at Siple Dome [wilen_0440447]
This award supports a two-year collaborative effort to more fully understand the climatic history and physical properties of the Siple Dome, Antarctica deep ice core, to develop a new paleoclimatic ...


12. Collaborative Research: Elevation Change Anomalies in West Antarctica - Do They Provide Constraints on Subglacial Water Transport Beneath Ice Streams and Their Tributaries [636719]
This data set includes information derived from ICESat altimetry for Antarctic subglacial lakes. These lakes were identified based on elevation changes observed from ICESat. For each lake we provide ...


13. Collaborative Research: IPY, The Next Generation: A Community Ice Sheet Model for Scientists and Educators With Demonstration Experiments in Amundsen Sea Embayment Region [Tulaczyk0632346]
This award supports a project to create a "Community Ice Sheet Model (CISM)". The intellectual merit of the proposed activity is that the development of such a model will aid in advancing the science ...


14. Collaborative Research: Refining a 500-kyr Climate Record From the Mt. Moulton Blue Ice Field in West Antarctica [dunbar_NSF0230348]
There is intense scientific interest in the history, dynamics and future of the West Antarctic Ice Sheet because it is the world's only remaining marine ice sheet and is considered by ...


15. Collaborative Research: Science Opportunities for a Multidisciplinary Long-Range Aircraft for Antarctic Research [csatho_0443556]
NSF OPP Grants 0443556 and 0443391 Collaborative Research: Science Opportunities for a Multidisciplinary Long-Range Aircraft for Antarctic Research The polar regions ...


16. Collaborative Research: Stable Isotopes of Ice in the Transition and Glacial Sections of the WAIS Divide Deep Ice Core (NSF Award Number 1043092) [WAIS_Divide_Isotope_Data]
WAIS Divide Core 06A 68,000 years ago through 2000C.E. Isotope Data from University of Washington (Eric Steig). Data set of 0.25 to 1 meter averages of oxygen isotope data from the WAIS Divide ice ...


17. Collaborative Research: Using Fracture Patterns and Ice Thickness to Study the History and Dynamics of Grounding Line Migration and Shutdown of Kamb and Whillans Ice Streams [fahnestock_0440636]
The work is in collaboration with co-PI Christina Hulbe and at Portland State University. In our previous work we were able to image, map, and interpret streak lines (flow trajectories) on the Ross ...


18. Collaborative Research:History and Evolution of the Siple Coast Ice Stream Systems as Recorded by Former Shear-Margin Scars [raymond_nsf9909518]
This data set is a study of the scar-like features that are well-known from the Siple Coast ice stream system in West Antarctica. The objective of the field work was to identify the nature ...


19. Continuous GPS (static) data from Ross Ice Shelf near its iceberg calving front [macayeal_cont_GPS_Ross_Ice_Shelf_0229546]   PARENT METADATA
In November, 2005, three geodetic GPS receivers were deployed on the Ross Ice Shelf near its ice front to observe short-term fluctuations in ice-shelf velocity (associated with tidal forcing and other ...


20. Continuous glaciochemical ice core data from Norwegian-US Scientific Traverse of East Antarctica [mcconnell_0538416]
Continuous, high-depth-resolution glacio-chemical measurements in ice core from the Norwegian-U.S. Scientific Traverse of East Antarctica. The traverse traveled from the Norwegian Troll Station near ...


21. DMSP Operational Linescan System (OLS) Analog Imagery [FE00467]
NSIDC archives analog imagery collected by the U. S. Air Force Defense Meteorological Satellite Program (DMSP). DMSP is a system of near-polar orbiting satellites providing data in optical and microwave ...


22. Discharge Variability of Ross Ice Streams Over the Last Millennium, Deduced by Numerical Simulation of Flow Features in the Ross Ice Shelf [RossIceStreamDischarge_1ka_record]
The work, funded by NSF grant number 0296099 is in collaboration with co-PI Mark Fahnestock. We have used composite MODIS (on NASA's Terra satellite) imagery of flow features in the Ross ...


23. Dry Valleys Late Holocene Climate Variability, Antarctica [kreutz_0228052]
This award supports a project to collect and develop high-resolution ice core records from the Dry Valleys region of Antarctica, and provide interpretations of interannual to decadal-scale climate ...


24. Dry-Based Ice-Cliff Dynamics: Taylor Glacier, Antarctica [hallet_0230338ecp]
This project is a comprehensive study of land-based polar ice cliffs. Through field measurements, modeling, and remote sensing, the physics underlying the formation of ice cliffs at the margin of ...


25. Firn Accumulation Processes in Taylor Dome, Vostok and Siple Dome Ice Using Cosmogenic 14 C and 10Be as Tracers [lal_9909484]
This award is for support to develop a history of snow accumulation and physical processes occurring in the upper layers of ice deposited at several sites in Antarctica, using cosmogenic ...


26. 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 ...


27. Firn Temperatures on Iceberg C16 [MacAyealC16_firn_temp_0229546]
Since November of 2005, 12 thermistors were planted in the upper 2.5 meters of the firn on iceberg C16. Temperature data are collected every 20 minutes and are transmitted via ARGOS satellite relay. ...


28. Firn air d15N and noble gases from Greenland summit, 2006-2007 [0520564_severinghaus]
Data set contains d15N and other major and noble gas measurements made on firn air taken in 2006 and 2007 as part of the project "Firn structure, interstitial processes and the composition of firn ...


29. Firn permeability at sites in West Antarctica [WAIS_Permeability]
This data set lists the measured snow and firn density and permeability at sites in West Antarctica. The measurements were done on consecutive ten- centimeter sampling in snow pits and ...


30. Fractionation of gases in polar ice during bubble close-off: firn air Ne, Kr and Xe observations [severinghaus_nsidc0290]
Gas ratios in air withdrawn from polar firn (snowpack) show systematic enrichments of Ne/N2, O2/N2 and Ar/N2, in the firn–ice transition region where bubbles are closing off. Air from ...


31. GPR and GPS Data: Characteristics of Snow Megadunes and their Potential Effects on Ice Core Interpretation [NSIDC-0282]
The Antarctic megadune research was conducted during two field seasons, one in November 2002 and the other in December 2003 through January 2004. The megadune field site is located on the East Antarctic ...


32. Gases in Firn Air and Shallow Ice at the Proposed WAIS Divide Drilling Site [battle_0440509]
This award supports a project to measure the elemental and isotopic composition of firn air and occluded air in shallow boreholes and ice cores from the WAIS Divide site, the location of a deep ice-coring ...


33. Geochemical analyses and images of tephra and other particulate samples from the Law Dome Ice Core [Law_Dome_Tephra]
This data set contains geochemical information and backscattered electron images of particulate material sampled from the Law Dome ice core. Some of this material is volcanic ash, and ...


34. Giant Icebergs of the Ross Sea, in situ drift and weather measurements [macayeal_drift_and_weather_0229546]   PARENT METADATA
The data are provided in two formats: The first, and recommended, format is a Matlab *.mat file that contains a data structure. This structure is self-explanatory, i.e., the names of the icebergs ...


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. Glaciology of Blue Ice Areas in Antarctica [Hamilton_0229245]
A 'horizontal ice core' was collected at the Mount Moulton blue ice field in West Antarctica and preliminary analyses of the sample material suggests that a ~500 kyr climate record is ...


37. High Resolution Ice Thickness and Plane Wave Mapping of Ice Sheet Near-Surface Layers [Kanagaratnam_0230378]
This award supports a project to build and test a 12-18 GHz radar system with a plane wave antenna. This is a wideband radar operating over a frequency range of 12 to 18 GHz to detect ...


38. High temporal resolution, continuous ice core measurements for WAIS Divide (WDC05A, WDC05Q) [mcconnell_0538427]
Nearly continuous, monthly averaged measurements of hydrogen peroxide, nitrate, liquid conductivity, and 12 elements (Na, Mg, Al, S, Ca, Mn, Fe, Rb, Sr, Ce, Pb, and U) for two intermediate depth ice ...


39. High-resolution digital borehole thermometer calibrations and tests [UW_USGS_Digital_Thermometer]
We designed, built, calibrated, and tested high-resolution (sub-mK) digital down-hole thermometer probes for measuring temperature in boreholes in polar ice sheets. Because a digital sensor ...


40. Ice Core Records of Atmospheric Carbon Monoxide [harder_0126194]
This award supports a two-year project to continue work developing the techniques to make carbon monoxide (CO) measurements in ice core samples. Carbon monoxide is an important atmospheric ...


41. Ice Shelf Rift Time-Lapse Photography [macayeal_rifttime-lapse_photography_0229546]   PARENT METADATA
From November 2004 to March 2005 an automated "web cam" was operated on the southward facing lip of a large ice-shelf rift to produce a photographic record of processes active in ice-shelf rift systems. ...


42. Iceberg Capsize Kinematics and Energetics [MacAyeal_Iceberg_capsize]
To investigate the physics of iceberg capsize, a laboratory-scale experimental apparatus was created to simulate iceberg calving and capsize (and other phenomena) at a 1/100,000 scale. The data set ...


43. Iceberg Harmonic Tremor, seismometer data [MacAyealseismo_tremor_0229546]
Iceberg harmonic tremor (IHT) emanating from tabular icebergs in the Southern Ocean and around the coast of Antarctica is observed as seismoacoustic signals on islands in the equatorial Pacific, as ...


44. Iceberg tiltmeter measurements [MacAyealC16_tiltmeter_data_0229546]
Time series of tiltmeter observations (tilt about two horizontal axes in microradians) for a 34 day period on iceberg C16 while it was aground near Ross Island in late 2001 to early 2002. Data shows ...


45. Inert Gases in Firn Air and Shallow Ice at the WAIS Divide Site [severinghaus_0440701]
This data set includes inert and major gases (elemental and isotopic composition) in firn air and occluded air in shallow boreholes from the WAIS Divide site. The three primary science ...


46. International Partnerships in Ice Core Sciences [twickler_0401116]
Society would benefit greatly from the ability to efficiently allocate resources to minimize disruptions caused by climate change. This requires the ability to predict the response of ...


47. Investigating Iceberg Evolution During Drift and Break-Up: A Proxy for Climate-Related Changes in Antarctic Ice Shelves [scambos_0540915]
Drifting tabular icebergs in the Southern Ocean just east of the Antarctic Peninsula undergo a rapid "climate change" as they move into warmer air and ocean temperatures. Using a combination of satellite ...


48. Isotopes in Gases in Firn Air and Shallow Ice at the Proposed WAIS Drilling Site [white_0440498]
This is a multi-institutional project investigating gas concentrations and isotope ratios of gases in the upper part of the Inland WAIS ice core. The Stable Isotope Lab at INSTAAR of the University ...


49. Krypton and Xenon in the past atmosphere from trapped air in ice cores [0538630_severinghaus]
Krypton/N2 and xenon/N2 data from trapped air in GISP2 ice core, Greenland (25-14 kyr BP), Dome Fuji ice core, Antarctica (25 kyr BP to recent), and Vostok ice core, Antarctica (125 kyr BP to 110 ...


50. Larsen B Ice Shelf supraglacial lakes (depth, area, 2000) [MacAyeal_0944248]
In this data, we provide an estimate of surface water depth for the surface of the Larsen B Ice Shelf on February 21, 2000, using a Landsat 7 multi-spectral image composite. The surface water depth ...


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