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1113 Titles Match Your Query
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1. 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 ...


2. High-Resolution QuickBird Imagery and Related GIS Layers for Barrow, Alaska, USA [ARCSS304]
This data set contains high-resolution QuickBird imagery and geospatial data for the entire Barrow QuickBird image area (156.15? W - 157.07? W, 71.15? N - 71.41? N) and Barrow B4 Quadrangle (156.29? ...


3. High-Resolution Radar Imagery, Digital Elevation Models, and Related GIS Layers for Barrow, Alaska, USA [ARCSS302]
This product set contains high-resolution Interferometric Synthetic Aperture Radar (IFSAR) imagery and geospatial data for the Barrow Peninsula (155.39 - 157.48? W, 70.86 - 71.47? N) and Barrow Triangle ...


4. High-Resolution Rectified Aerial Photography for Collaborative Research of Environmental Change at Barrow, Alaska, USA [ARCSS306]
This data set includes aerial photography of Barrow, Alaska, which has been geocorrected to a 2002 QuickBird satellite image or Interferometric Synthetic Aperture Radar (IFSAR) imagery. Photography ...


5. Reduced-Resolution QuickBird Imagery and Related GIS Layers for Barrow, Alaska, USA [ARCSS305]
This data set contains reduced-resolution QuickBird imagery and geospatial data for the entire Barrow QuickBird image area 156.15? W - 157.07? W, 71.15? N - 71.41? N) and the Barrow B4 Quadrangle ...


6. Reduced-Resolution Radar Imagery, Digital Elevation Models, and Related GIS Layers for Barrow, Alaska, USA [ARCSS303]
This product set contains reduced-resolution Interferometric Synthetic Aperture Radar (IFSAR) imagery and geospatial data for the Barrow Peninsula (155.39 - 157.48? W, 70.86 - 71.47? N), for use in ...


7. Thermospheric Neutral Wind Observation from the Antarctic Peninsula [NCAR_TNWO_FPI_PAL]
Fabry-Perot Doppler Imager (FPI) observes wind speed and temperature at optical emission height by measuring Doppler shift and Doppler width of the auroral oxygen atom emission line. An FPI will ...


8. Ammonia Oxidation Versus Heterotrophy in Crenarchaeota Populations from Marine Environments West of the Antarctic Peninsula [NSF-ANT08-38996]
Ammonia oxidation is the first step in the conversion of regenerated nitrogen to dinitrogen gas, a 3-step pathway mediated by 3 distinct guilds of bacteria and archaea. Ammonia oxidation and the overall ...


9. RAPID: Linking the Movement Patterns and Foraging Behavior of Humpback Whales to their Prey across Multiple Spatial Scales within the LTER Study Region [NSF-ANT12-50208]
Whales play a central role in the ecology and biogeochemistry of the Southern Ocean. However, little is known regarding their distribution and behavior, in part because of challenges associated with ...


10. 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. ...


11. Collaborative Research: East Antarctic outlet glacier contributions to the Ross Sea from chronology of detrital grains [NSF-ANT10-43619]
Intellectual Merit: The PIs proposed a provenance study of glacial deposits in the Ross Embayment that will provide a broad scale geochronologic survey of detrital minerals in till to help characterize ...


12. NotApplicable RossSea:Bathymetry_Davey [RossSea_Bathymetry_Davey]   PARENT DIF
The NSF-supported research icebreaker operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic disciplines. ...


13. R/V Laurence M. Gould LMG1306 [LMG1306]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


14. R/V Laurence M. Gould LMG1309 [LMG1309]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


15. R/V Laurence M. Gould LMG1310 [LMG1310]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


16. R/V Laurence M. Gould LMG1311 [LMG1311]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


17. R/V Laurence M. Gould LMG1312 [LMG1312]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


18. R/V Nathaniel B. Palmer NBP1303 [NBP1303]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


19. R/V Nathaniel B. Palmer NBP1304 - Seasonal Trophic Roles of Euphausia superba [NBP1304]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


20. R/V Nathaniel B. Palmer NBP1309 [NBP1309]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


21. R/V Nathaniel B. Palmer NBP1310A [NBP1310A]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


22. Collaborative Research: Integrated High Resolution Chemical and Biological Measurements on the Deep WAIS Divide Core [priscu_0839075]
This collaborative research project (Collaborative Research: Integrated High Resolution Chemical and Biological Measurements on the Deep WAIS Divide Core) was funded by NSF-OPP and was part of the ...


23. Basal shear stress under Antarctic and Greenland glaciers infered from surface observations by means of inverse methods [sergienko_0934534]
This data set consists of basal shear stress under several regions in Antarctica and Greenland. The basal shear stress is obtained by means of the inverse methods using observed ice surface and bed ...


24. Fate of Drilling Fluids during the South McMurdo Sound Project (SMS) of the Antarctic Geological Drilling Program (ANDRILL) [NSF-ANT10-43740]
The PI proposes to utilize computer models used by hydrogeologists to establish the fate and transport of contamination and determine the extent of drilling fluid contamination in the ANDRILL SMS ...


25. Thermochronologic and modelling test for a Mesozoic West Antarctic Plateau [NSF-ANT07-39781]
This project studies formation of the TransAntarctic Mountains (TAM) through numerical modeling based on cooling histories of apatite mineral grains. The TAM are the highest and longest rift-related ...


26. Collaborative Research: Hunting in Darkness: Behavioral and Energetic Strategies of Weddell Seals in Winter [NSF-ANT07-39390]
Intellectual merit: Weddell seals (Leptonychotes weddellii) locate and capture sparsely distributed and mobile prey under shore-fast ice throughout the year, including the austral winter when ambient ...


27. Collaborative Research: Multispecies, Multiscale Investigations of Longterm Changes in Penguin and Seabird Populations on the Antarctic Peninsula [NSF-ANT07-39515]
This five-year project seeks to characterize decadal scale changes in penguin and seabird populations on the Antarctic Peninsula, and to identify the factors driving these long-term changes. Two interconnected ...


28. Collaborative Research: Weddell seals as autonomous sensors of the winter oceanography of the Ross Sea [0838937]
Marine mammals of the Southern Ocean have evolved diverse life history patterns and foraging strategies to accommodate extreme fluctuations in the physical and biological environment. In light of ...


29. Collaborative Research; IPY: Ocean-Ice Interaction in the Amundsen Sea sector of West Antarctica [NSF-ANT07-32804]
The Office of Polar Programs, Antarctic Integrated and System Science Program has made this award to support an interdisciplinary study of the effects of the ocean on the stability of glacial ice ...


30. Mount Erebus Volcano Observatory: Operations, Science and Outreach (MEVO-OSO) [NSF-ANT11-42083]
Intellectual Merit: Mt. Erebus is one of only a handful of volcanoes worldwide that have lava lakes with readily observable and nearly continuous Strombolian explosive activity. Erebus is also unique ...


31. Collaborative Research: Weddell seals as autonomous sensors of the winter oceanography of the Ross Sea [NSF-ANT08-38892]
Marine mammals of the Southern Ocean have evolved diverse life history patterns and foraging strategies to accommodate extreme fluctuations in the physical and biological environment. In light of ...


32. Detangling Flow Regimes and Paleoclimate in the Deepest Section of the EDML Ice Core using U-series Ages. [aciego_1043367]
Determining the absolute age of ice in the absence of a continuous ice stratigraphy is an ongoing challenge to the cryosphere community. In this work, we implemented new physical and geochemical techniques ...


33. Real-Time Characterization of Adelie Penguin Foraging Environment Using an Autonomous Underwater Vehicle [NSF-ANT10-19838]
The Antarctic Peninsula is among the most rapidly warming regions on earth. Increased heat from the Antarctic Circumpolar Current has elevated the temperature of the 300 m of shelf water below the ...


34. 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 ...


35. Cosmogenic Radionuclides in the WAIS Divide Ice Core [welten_0636964]
This dataset includes a record of the concentrations of the cosmogenic radionuclides, 10Be (half-life = 1.36 x 10^6 year) and 36Cl (3.0 x 10^5 year), in samples from the West Antarctic Ice Sheet (WAIS) ...


36. Microtubule Function, Protein Folding, and Embryogenesis in Antarctic Fishes: An Integrative Approach [NSF-ANT09-44517]
Since the advent of Antarctic continental glaciation, the opening of the Drake Passage between South America and the Antarctic Peninsula, and the onset of cooling of the Southern Ocean ~40-25 million ...


37. The Cellular Stress Response in Cold-adapted Organisms: Building Novel Mechanistic Links between Heat Stress, Cell Cycle Arrest and Apoptosis in Antarctic Fishes. [NSF-ANT09-44743]
The research will investigate a novel mechanism by which cold-adapted fishes of the Southern Ocean sense and respond to elevated temperatures. It is hypothesized that sub-lethal heat stress may induce ...


38. Collaborative Research in IPY: Abrupt Environmental Change in the Larsen Ice Shelf System, a Multidisciplinary Approach - Marine and Quaternary Geosciences [NSF-ANT07-32625]
This award supports a research cruise to perform geologic studies in the area under and surrounding the former Larsen B ice shelf, on the Antarctic Peninsula. The ice shelf's disintegration in 2002 ...


39. Collaborative Research: Biogeochemistry of Cyanobactrial Mats and Hyporheic Zone Microbes in McMurdo Dry Valley Glacial Meltwater Streams [NSF-ANT07-39648]
The glacial streams of the McMurdo Dry Valleys have extensive cyanobacterial mats that are a probable source of fixed C and N to the Valleys. The research will examine the interplay between the microbial ...


40. Collaborative Research: Geochemistry and Microbiology of the Extreme Aquatic Environment in Lake Vida, East Antarctica [NSF-ANT07-39681]
Lake Vida is the largest lake of the McMurdo Dry Valleys, with an approximately 20 m ice cover overlaying a brine of unknown depth with at least 7 times seawater salinity and temperatures below -10 ...


41. Collaborative Research: Geochemistry and Microbiology of the Extreme Aquatic Environment in Lake Vida, East Antarctica [NSF-ANT07-39698]
Lake Vida is the largest lake of the McMurdo Dry Valleys, with an approximately 20 m ice cover overlaying a brine of unknown depth with at least 7 times seawater salinity and temperatures below -10 ...


42. Photoheterotrophic Microbes in the West Antarctic Peninsula Marine Ecosystem [NSF-ANT08-38830]
Light quality and availability are likely to change in polar ecosystems as ice coverage and thickness decrease. How microbes adjust to these and other changes will have huge impacts on the polar marine ...


43. A Broadband Seismic Experiment to Image the Lithosphere Beneath the Gamburtsev Mountains and Surrounding Areas, East Antarctica [NSF-ANT05-37371]
This award supports a seismological study of the Gamburtsev Subglacial Mountains (GSM), a Texas-sized mountain range buried beneath the ice sheets of East Antarctica. The project will perform a passive ...


44. Acoustic Assessment of Southern Ocean Salps and Their Ecosystem Impact [NSF-ANT09-44042]
The importance of gelatinous zooplankton in marine systems worldwide is increasing. In Southern Ocean, increasing salp densities could have a detrimental effect on higher predators, including penguins, ...


45. Application of Detrital Zircon Isotope Characteristics and Sandstone Analysis of Beacon Strata to the Tectonic Evolution of the Antarctic Sector of Gondwana [NSF-ANT09-44532]
Intellectual Merit: The goal of this project is to address relationships between foreland basins and their tectonic settings by combining detrital zircon isotope characteristics and sedimentological ...


46. Linkages among Mitochondrial Form, Function and Thermal Tolerance of Antarctic Notothenioid Fishes [NSF-ANT11-42720]
Antarctic notothenioid fishes have evolved in the Southern Ocean for 10-14 MY under an unusual set of circumstances. Their characteristics include the complete absence of the circulating oxygen-binding ...


47. 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 ...


48. Genomic Approaches to Resolving Phylogenies of Antarctic Notothenioid Fishes [NSF-ANT08-39007]
The teleost fish fauna in the waters surrounding Antarctica are completely dominated by a single clade of closely related species, the Notothenioidei. This clade offers an unprecedented opportunity ...


49. Linkages among Mitochondrial Form, Function and Thermal Tolerance of Antarctic Notothenioid Fishes [NSF-ANT07-41301]
Antarctic notothenioid fishes have evolved in the Southern Ocean for 10-14 MY under an unusual set of circumstances. Their characteristics include the complete absence of the circulating oxygen-binding ...


50. Modeling and Synthesis Study of a Natural Iron Fertilization Site in the Southern Drake Passage [NSF-ANT09-48357]
The ocean plays a critical role in sequestering CO2 by exporting fixed carbon to the deep ocean through the biological pump. There is a pressing need to understand the systematics of carbon export ...


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