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262 Titles Match Your Query
Showing 1 through 50 of 262 Next
1. Phaeocystis colonies DIHM NB1302 [Phaeocystis_colonies_DIHM]
These are data of Phaeocystis antarctica colonies in water column profiles during a late season expedition to the Ross Sea on the research vessel Nathaniel B. Palmer, cruise number NBP1302. The colonies ...


2. Video particle profiler data NBP1302 [Video_particle_profiler_data_NBP1302]
This data set contains numbers and characteristics if macroscopic particles through the water column in the Ross Sea during the research expedition NBP1302 on the Nathaniel B Palmer. The data were ...


3. Developing a New Paleoclimate Proxy for Polar and Alpine Glacial Regions Based on Noble Gases [NSF-ANT12-45580]
Noble gases in groundwater systems can indicate past climates in ice-free regions through estimation of noble gas temperatures. Traditional noble gas temperatures cannot be derived in ice-covered ...


4. Habitability of Antarctic Lakes and Detectability of Microbial Life in Icy Environments by Autonomous Year-round Instrumentation [NSF-ANT13-40905]
This research will be the first to make year-round measurements of the microbial community, and several associated environmental variables, in the continuously liquid portions of Lake Bonney, Antarctica. ...


5. 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 ...


6. Habitability of Antarctic Lakes and Detectability of Microbial Life in Icy Environments by Aautonomous Year-round Instrumentation [NSF-ANT13-40606]
This research will be the first to make year-round measurements of the microbial community, and several associated environmental variables, in the continuously liquid portions of Lake Bonney, Antarctica. ...


7. Physical Properties of the WAIS Divide Deep Ice Core [NSF-ANT05-39232]
This award supports a five-year collaborative project to study the physical-properties of the planned deep ice core and the temperature of the ice in the divide region of the West Antarctic Ice Sheet. ...


8. TRacing the fate of Algal Carbon Export in the Ross Sea (TRACERS) [NSF-ANT11-42044]
Sinking particles are a major element of the biological pump and they are commonly assigned to two fates: mineralization in the water column and accumulation at the seafloor. However, there is another ...


9. 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 ...


10. 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 ...


11. 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 ...


12. 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, ...


13. 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 ...


14. 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 ...


15. 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 ...


16. A Comparison of Conjugate Auroral Electojet Indices [NSF-ANT10-43621]
The auroral electrojet index (AE) is used as an indicator of geomagnetic activity at high latitudes representing the strength of auroral electrojet currents in the Northern polar ionosphere. A similar ...


17. A Multi-decadal Record of Antarctic Benthos: Image Analysis to Maximize Data Utilization [NSF-ANT13-55533]
Antarctic benthic communities are characterized by many species of sponges (Phylum Porifera), long thought to exhibit extremely slow demographic patterns of settlement, growth and reproduction. This ...


18. A New Reconstruction of the Last West Antarctic Ice Sheet Deglaciation in the Ross Sea [NSF-ANT10-43485]
This award supports a project to develop a better understanding of the response of the WAIS to climate change. The timing of the last deglaciation of the western Ross Sea will be improved using in ...


19. A Planning Workshop for a McMurdo Dry Valleys Terrestrial Observation Network [NSF-ANT12-41487]
This award will support the participation of US scientists in an international planning workshop devoted to discussions of how to best facilitate and coordinate international efforts for terrestrial ...


20. A VLF Beacon Transmitter at South Pole [NSF-ANT06-36928]
This proposal seeks funding to resume operation of the VLF Beacon Transmitter at the South Pole Station used to quantify temporal and spatial variations in the state of the lower ionosphere between ...


21. A new reconstruction of the last West Antarctic Ice Sheet deglaciation in the Ross Sea [NSF-ANT10-43517]
This award supports a project to develop a better understanding of the response of the WAIS to climate change. The timing of the last deglaciation of the western Ross Sea will be improved using in ...


22. ASPIRE: Amundsen Sea Polynya International Research Expedition [NSF-ANT09-44727]
ASPIRE is an NSF-funded project that will examine the ecology of the Amundsen Sea during the Austral summer of 2010. ASPIRE includes an international team of trace metal and carbon chemists, phytoplankton ...


23. Abandoned Elephant Seal Colonies in Antarctica: Integration of Genetic, Isotopic, and Geologic Approaches toward Understanding Holocene Environmental Change [NSF-ANT04-39906]
During previous NSF-sponsored research, the PI's discovered that southern elephant seal colonies once existed along the Victoria Land coast (VLC) of Antarctica, a region where they are no longer observed. ...


24. 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, ...


25. Activation of high-elevation alluvial fans in the Transantarctic Mountains - a proxy for Plio-Pleistocene warmth along East Antarctic ice margins [NSF-ANT10-43554]
The PIs propose to address the question of whether ice surface melting zones developed at high elevations during warm climatic phases in the Transantarctic Mountains. Evidence from sediment cores ...


26. Adaptive Responses of Phaeocystis Populations in Antarctic Ecosystems [NSF-ANT11-42018]
Global climate change is having significant effects on areas of the Southern Ocean, and a better understanding of this ecosystem will permit predictions about the large-scale implications of these ...


27. Adelie Penguin Response to Climate Change at the Individual, Colony and Metapopulation Levels [NSF-ANT09-44411]
While changes in populations typically are tracked to gauge the impact of climate or habitat change, the process involves the response of individuals as each copes with an altered environment. In ...


28. Adelie Penguin Response to Climate Change at the Individual, Colony and Metapopulation Levels - NSF-ANT09-44358 [NSF-ANT09-44358]
While changes in populations typically are tracked to gauge the impact of climate or habitat change, the process involves the response of individuals as each copes with an altered environment. In ...


29. Aging in Weddell Seals: Proximate Mechanisms of Age-Related Changes in Adaptations to Breath-Hold Hunting in an Extreme Environment [NSF-ANT06-49609]
The primary objectives of this research are to investigate the proximate effects of aging on diving capability in the Weddell Seal and to describe mechanisms by which aging may influence foraging ...


30. Alternative Nutritional Strategies in Antarctic Protists [NSF-ANT08-38955]
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). Most organisms meet their carbon and energy needs using photosynthesis (phototrophy) or ingestion/assimilation ...


31. 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 ...


32. An Integrated Ecological Investigation of McMurdo Dry Valley's Active Soil Microbial Communities [NSF-ANT11-42102]
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 ...


33. An Integrated Geomagnetic and Petrologic Study of the Dufek Complex [NSF-ANT05-37609]
This project studies remnant magnetization in igneous rocks from the Dufek igneous complex, Antarctica. Its primary goal is to understand variations in the Earth's magnetic field during the Mesozoic ...


34. Annual Satellite Era Accumulation Patterns Over WAIS Divide: A Study Using Shallow Ice Cores, Near-Surface Radars and Satellites [NSF-ANT09-44653]
This award supports a project to broaden the knowledge of annual accumulation patterns over the West Antarctic Ice Sheet by processing existing near-surface radar data taken on the US ITASE traverse ...


35. Antarctic Auroral Imaging [NSF-ANT06-36899]
Auroral protons are not energized by electric fields directly above the auroral atmosphere and therefore they are a much better diagnostic of processes deep in the magnetosphere. It has been shown ...


36. Antarctic Climate Reconstruction Utilizing the US ITASE Ice Core Array (2009-2012) [NSF-ANT08-37988]
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). This award supports a project to reconstruct the past physical and chemical climate of Antarctica, ...


37. Antarctic Cretaceous-Cenozoic Climate, Glaciation, and Tectonics: Site surveys for drilling from the edge of the Ross Ice Shelf [NSF-ANT00-87392]
This award, provided by the Antarctic Geology and Geophysics Program of the Office of Polar Programs, supports a collaborative research program in marine geology and geophysics in the southern central ...


38. Antarctica's Geological History Reflected in Sedimentary Radiogenic Isotopes [NSF-ANT05-38580]
This project studies sediment from the ocean floor to understand Antarctica's geologic history. Glacially eroded from the Antarctic continent, these sediments may offer insight into the 99% Antarctica ...


39. Application for an Early-concept Grant for Exploratory Reasearch (EAGER) to develop a Pathway/Genome Database (PGDB) for the Southern Ocean Haptophyte Phaeocystis Antarctica. [NSF-ANT10-63592]
Phaeocystis antarctica is capable of forming blooms that are denser and more extensive than any other member of the Southern Ocean phytoplankton community. The factors that enable P Antarctica to ...


40. 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 ...


41. Application of a New Method for Isotopic Analysis of Diatom Microfossil-bound Nitrogen [NSF-ANT04-53680]
The Southern Ocean may play a central role in causing ice ages and general global climate change. This work will reveal key characteristics of the glacial ocean, and may explain the cause of glacial/interglacial ...


42. Atmosphere-Ocean-Ice Interaction in a Coastal Polynya [NSF-ANT07-39464]
Antarctic polynyas are the ice free zones often persisting in continental sea ice. Characterization of the lower atmosphere properties, air-sea surface heat fluxes and corresponding ocean depth profiles ...


43. Atmospheric Boundary Layer Measurements on the Weddell Sea Drifting Station [NSF-ANT90-24544]
Location: Ice camp on perennial sea ice in the southwestern corner of the Weddell Sea, Antarctic The first direct radiative and turbulent surface flux measurements ever made over floating Antarctic ...


44. BICEP2 and SPUD - A Search for Inflation with Degree-Scale Polarimetry from the South Pole [NSF-ANT10-44978]
BICEP2 and SPUD - A Search for Inflation with Degree-Scale Polarimetry from the South Pole. The proposed work is a four-year program of research activities directed toward upgrading the BICEP (Background ...


45. Biodiversity, Buoyancy and Morphological Studies of Non-Antarctic Notothenioid Fishes [NSF-ANT04-36190]
Patterns of biodiversity, as revealed by basic research in organismal biology, may be derived from ecological and evolutionary processes expressed in unique settings, such as Antarctica. The polar ...


46. Boron in Antarctic granulite-facies rocks: under what conditions is boron retained in the middle crust? [NSF-ANT02-28842]
This award, provided by the Antarctic Geology and Geophysics Program of the Office of Polar Programs, supports a project to investigate the role and fate of Boron in high-grade metamorphic rocks of ...


47. Bromide in Snow in the Sea Ice Zone [NSF-ANT10-43145]
A range of chemical and microphysical pathways in polar latitudes, including spring time (tropospheric) ozone depletion, oxidative pathways for mercury, and cloud condensation nuclei (CCN) production ...


48. CAREER: Deciphering Antarctic Climate Variability during the Temperate/Polar Transition and Improving Climate Change Literacy in Louisiana through a Companion Outreach Program [NSF-ANT10-48343]
Intellectual Merit: The PI proposes a high-resolution paleoenvironmental study of pollen, spore, fresh-water algae, and dinoflagellate cyst assemblages to investigate the palynological record of sudden ...


49. Central Scotia Seafloor and the Drake Passage Deep Ocean Current Gateway [NSF-ANT06-36850]
This project studies the opening of the Drake Passage between South America and Antarctica through a combined marine geophysical survey and geochemical study of dredged ocean floor basalts. Dating ...


50. Collaborative Research in IPY: Abrupt Environmental Change in the Larsen Ice Shelf System, a Multidisciplinary Approach - Marine Ecosystems. [NSF-ANT07-32983]
Collaborative Research in IPY: Abrupt Environmental Change in the Larsen Ice Shelf System, a Multidisciplinary Approach - Marine Ecosystems. A profound transformation in ecosystem structure and function ...


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