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1. 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 ...


2. 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 ...


3. 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 ...


4. 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 ...


5. 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 ...


6. Taylor Glacier horizontal ice core gas, isotope, and chemistry data [severinghaus_brook_0839031]
This data set includes all data gathered under the Taylor Glacier horizontal ice core project between 2009 and 2013. This includes gases (CO2, methane, nitrous oxide, and their stable and radioactive ...


7. Ocean Surfaces on Snowball Earth [Warren_0739779]
The climatic changes of the Neoproterozoic 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, ...


8. US ITASE-99-1 ice core (Research Funded by NSF OPP) [US_ITASE-99-1]   PARENT DIF
Sub-annually resolved ice core chemistry data from various sites on the Antarctic Ice Sheet were obtained from 1999 to 2008 during the US International Trans-Antarctic Scientific Expedition (US ITASE) ...


9. 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 ...


10. 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 ...


11. 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 ...


12. Taylor Glacier (Antarctica) "Horizontal Ice Core" Gases and Isotopes [severinghaus_08-39031]
This data was collected under the award NSF-ANT08-39031, "Collaborative Research: A "horizontal ice core" for large-volume samples of the past atmosphere, Taylor Glacier, Antarctica". The data consists ...


13. 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 ...


14. 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., ...


15. 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 ...


16. 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 ...


17. 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 ...


18. d15N & d18O of air in the WAIS Divide ice core [severinghaus_0538657]
Major gas components of air data set, containing d15N, d18O of O2, dO2/N2, and dAr/N2 from the WAIS Divide ice core at high resolution. These data are used to constrain surface temperature, biosphere ...


19. 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 ...


20. 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 ...


21. 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 ...


22. 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 ...


23. 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 ...


24. Model Development and Study of the Importance of Ice-Shelf Drag on Inland Ice: Pine Island Glacier thinning [alley_NSF0126187]
A 2 year modeling effort to study the dynamics of Pine Island Glacier (PIG). The discharge from the PIG constitutes the largest mass loss from any single West Antarctic ice stream. Satellite ...


25. Radar sounding of englacial water on Storglaciaren, Sweden [Storglaciaren_Radar_Data]
These data were acquired by a ground-based, ice-penetrating radar study of Storglaciaren in July of 2001 and 2002. Closely spaced grids were made in 4 locations using GPR at frequencies ...


26. Short-term fluctuations of West Antarctic ice streams - model results [nsfopp0096302]
This project was aimed primarily at understanding the role of subglacial till beds in controlling transient behavior of ice streams and ice sheets. Research tools included a numerical ...


27. 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 ...


28. Proposed Drill Site: Ross-Amundsen Ice Divide, West Antarctica [Western_Divide_WAIS_Icecores_Site_Selection]
Proposed drill site near the Ross-Amundsen ice divide, West Antarctica Describes conditions near the Ross-Amundsen ice divide, and discusses candidate drill sites ...


29. Siple Dome and Byrd ice core gas isotopes (d15N, d18O, dO2/N2, and dAr/N2) [0440975_severinghaus]
Gas-isotopic data from the Siple Dome and Byrd ice cores covering roughly the last 100 ka, consisting of d15N (15N/14N) of N2, d18O (18O/16O) of O2, dO2/N2, and dAr/N2. Derived parameters including ...


30. 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 ...


31. 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 ...


32. 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 ...


33. 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 ...


34. 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 ...


35. Antarctic coastline derived from the 1997 Radarsat SAR image mosaic [liu_nsf0126149_03]
A complete, high-resolution coastline of Antarctica is extracted from an orthorectified mosaic of Radarsat-1 Synthetic Aperture Radar (SAR) images acquired in 1997. The absolute accuracy ...


36. Antarctic snow melt extent, onset and duration (1978-2004) [liu_nsf0126149_05]
The extent, onset date, end date, and duration of snow melt in Antarctica from 1978 to 2004 are derived by using satellite passive microwave SMMR and SSM/I data. The data set is given ...


37. Antarctic snow zones derived from the 1997 Radarsat SAR image mosaic [liu_nsf0126149_04]
Dry snow zones, percolation zones, wet snow zones, and blue ice patches for the Antarctic continent are delineated from the 1997 Radarsat SAR image mosaic. The data set is given as an ...


38. Boundaries of sub-glacial basins of Lambert-Amery glacial system [liu_nsf0126149_02]
Boundaries of eight sub-glacial basins of Lambert-Amery glacial system are derived based on Antarctic digital elevation model and ice velocity data. The data set is given as an ArcInfo ...


39. 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) ...


40. 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 ...


41. 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 ...


42. 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 ...


43. 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 ...


44. 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 ...


45. Continuous GPS (static) data from Ross Ice Shelf near its iceberg calving front [macayeal_cont_GPS_Ross_Ice_Shelf_0229546]   PARENT DIF
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 ...


46. 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 ...


47. 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 ...


48. 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 ...


49. 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. ...


50. 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 ...


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