Portal Home
Thumbnail Icon Science Keywords > CRYOSPHERE



Refine by Category
 
Refine by Full Text

 

93 Titles Match Your Query
Showing 1 through 50 of 93 Next
1. A mathmatical model of population dynamics to explain changes in biodiversity of microorganisms in ice covered marine environments [K043_2006_2007_NZ_1]
Physical, geographic and biological data were linked into a mathmatical model of population dynamics to integrate and explain the changes in biodiversity of phytoplankton, bacteria and cyanobacteria ...


2. Aeolian sediment in snow and on sea ice in Western in McMurdo Sound, and the Nansen Ice Shlelf in Terra Nova Bay, Antarctica [K001D_2010_2012_NZ_1]   PARENT DIF
To quantify the distribution, composition and overall flux of aeolian (windblown) sediment that accumulates on Ice shelves and annual sea ice in the SW Ross Sea region and is subsequently released ...


3. An ASTER Digital Elevation Model (DEM) for the Darwin-Hatherton Glacial System [K053_2006_2007_NZ_1]
In order to understand how the West Antarctic Ice Sheet may respond to global climate change in the future, its current nature and how it has responded to climate change in the past has been investigated. ...


4. Analysis of air and snow samples in Antarctica for isotope analysis [K001_1960_1975_NZ_1]
Snow samples were collected over a number of seasons for analysis of fission products (deuterium and oxygen isotopes), tritium and sulphur isotope contents. The information would provide the basic ...


5. Antarctic Sea Ice Thickness Mapping in McMurdo Sound [K063_2011_2012_NZ_1]   PARENT DIF
In-depth research has been conducted into sea ice thickness in the McMurdo Sound. The subice platelet layer thickness under sea ice was measured in regular intervals at two North-South oriented profiles ...


6. Automatic weather station measurements for debris covered ice, bare ice and snow accumulation area over two summer season on the McMurdo Ice Shelf [K053_2003_2005_NZ_2]
An automatic weather station (AWS) was installed in three separate surface types in the vicinity of Bratina Island on the McMurdo Ice Shelf (MIS) over two summer seasons, in order to identify the ...


7. Baseline information on both the modern processes operating on Antarctic beaches and the development of beach ridges in relation to the last glaciation ice retreat and isostatic rebound [K043_1996_1998_NZ_1]
Beaches in McMurdo Sound have developed since the last glaciation when ice sheets were at their maximum. The weight of the overlying ice, depressed the land, which has slowly rebounded forming a series ...


8. Cold Spice: Double Diffusion Generated by Vertical Ice Walls at Erebus Ice Tongue and Drygalski Ice Tongue, Antarctica [K132_2010_2012_NZ_1]
“Ocean spice” refers to one of the great hidden mechanisms driving ocean missing. Large regions of the oceans are layered in such a way that differences in molecular characteristics between heat and ...


9. Collection of marine sediment, algae, invertebrate and fish samples from multiple sites at diveable depths in the Ross Sea Region [K065_2008_2009_NZ_1]
In order to resolve the contribution of microbes (bacteria) in the benthic food web under the sea ice in Antarctica and to determine the level of recycling of carbon that occurs in the community, ...


10. Determining the influence of waves on the physical behaviour of the sea ice with mechanically generated waves [K131_2000_2002_NZ_1]
The interaction of the ocean wave field with the sea ice was investigated by creating a wave generating machine to generate waves which have clearly defined parameters such as amplitude and frequency. ...


11. Dynamics and change of the Darwin Hatherton Glacial System [K056_2006_2010_NZ_1]   CHILD DIFs
The Darwin-Hatherton glacial system offers a unique opportunity to investigate the response of the Antarctic Ice Sheet to future climate change. As well as draining the East Antarctic Ice Sheet into ...


12. Environmental protection, management and classification of terrestrial ecosystems in the Ross Sea Region [K123_2010_2012_NZ_3]
Soil samples from a diverse range of soil types have been collected from the Wright and Victoria Valley Systems, to determine whether soil distribution patterns aid prediction of microbial abundance ...


13. Evans Piedmont Glacier clean snow pit sampling for recent decade trace element record and AWS (2004-2008) data collection [K049_2007_2012_NZ_1]
A 4m snow pit from the Evans Piedmont glacier, Victoria Dry Valleys was sampled using ultra-clean methodology at 1cm resolution and was used to provide a comparison of trace element seasonal fluctuations ...


14. Evans Piedmont Glacier clean snow pit sampling for recent decade trace element record and AWS (2004-2008) data collection [K049_2007_2008_NZ_1]
A 4m snow pit from the Evans Piedmont glacier, Victoria Dry Valleys was sampled using ultra-clean methodology at 1cm resolution and was used to provide a comparison of trace element seasonal fluctuations ...


15. Experiments to determine the extent to which the behaviour of individual faults alters the properties of the sea ice sheet as a whole [K131_1998_2001_NZ_1]
Sea ice beams were cut using a technique already developed to stress sea ice to fracture. Twenty two beams were cut in total. Mechanical measurements and characterisation of the resulting cracks was ...


16. GIS analysis, biological samples (soil microorganism, invertebrate and plant), automatic weather station data and vegetation and invertebrate surveys to determine the terrestrial biocomplexity of the McMurdo Dry Valleys [K020_2008_2009_NZ_1]
The McMurdo Dry Valleys are the largest area of snow-free land in Antarctica. Managers ability to promote and protect these areas would benefit if we knew the biodiversity present and what controls ...


17. GPR survey of the Wright Lower, Victoria Upper and Suess Glacier margins, in the McMurdo Dry Valleys [K064_2004_2005_NZ_1]
The margins of the Wright Lower, Victoria Upper and Suess glaciers were surveyed using a pulse Ekko GPR. The GPR survey of the morphology and structure of the apron of the Victoria Upper glacier was ...


18. GPR surveys, meteorological and hydrology data from the Joyce, Garwood and Hobbs glaciers in the McMurdo Dry Valleys to investigate glacier-permafrost interactions [K064_2008_2010_NZ_1]
The aim of this study was to develop an understanding of the interactions between glaciers and their permafrost beds that will permit models of glaciers to realistically parameterise ice motion. Improvement ...


19. GPR, electromagnetic and spectral analysis of surface wave surveys on the Pram Point pressure ridges and surrounding area [K054_2001_2002_NZ_1]
Experiments using GPR around Scott Base showed the GPR could detect crevasses on the McMurdo Ice Shelf, in an area near Scott Base where distinctive surface undulations or 'pressure rollers' (pressure ...


20. GPR/GPS surveys and analysis of a firn core from the Gawn Ice Piedmont Glacier to examine Holocene climate history [K049_1999_2008_NZ_11]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


21. GPS data from 8 receivers positioned along the northern branch of Skelton Glacier, Transantarctic Mountains. [K001BI_2011_2012_NZ_1]   PARENT DIF
GPS data from 8 receivers positioned along the northern branch of Skelton Glacier, Transantarctic Mountains, from which we hope to derive velocities and tidal flexure measurements.


22. GPS surveying to obtain ice flow velocities for the southern McMurdo Ice Shelf, Antarctica, 2002-2005. [K114_2002_2003_NZ_1]   PARENT DIF
In the 2002/03 field season (event K114), 34 marker poles were established in a 2.5 km-spaced grid over the southern McMurdo Ice Shelf (SMIS), and these were positioned using differential ...


23. Geophysical investigations (seismic, aero and ground base magnetic, gravity, GPR and bathymetry surveys) of the tectonic, sedimentary and volcanic history of the Victoria Land Basing - site survey for ANDRILL project [K001_ANDRILL_SITE_SURVEYS]
A multi-national team (Germany, Italy, New Zealand, the United Kingdom and the USA) undertook seismic reflection, aeromagnetic surveys, ground-based magnetic and gravity measurements to image the ...


24. Glacial movement and sedimentation rate of the Mackay Glacier, Granite Harbour [K042_1982_1983_NZ_1]
Granite Harbour can be considered a 'closed basin' which collects sediment deposited from the Mackay Glacier Tongue. Study of this sedimentation system enables a more precise interpretation of the ...


25. Ground Penetrating Radar (GPR) surveys of a an ice rise on the southern McMurdo Ice Shelf, Antarctica. [K065_2004_2005_NZ]
A topographic rise was observed on satellite imagery and ground traverses of the southern McMurdo Ice Shelf, part way between the SW tip of Black Island and the north shore of Minna Bluff was investigated ...


26. Ground penetrating radar (GPR) and Photogrammetry, electrical resistivity tomography (ERT), electromagnetic and topography data of polygonal patterned ground in the Victoria and Beacon Valleys [K054_2006_2007_NZ_1]
To understand the subsurface properties of polygonal patterned ground (PPG) and to attempt to resolve competing theories of PPG activity, non-invasive, non-destructive geophysical methods were used ...


27. Ground penetrating radar survey of the Darwin and Hatherton glacial systems [K056_2006_2007_NZ_3]
More than 300 km of ground penetrating radar (GPR) data were collected on the glaciers around Roadend Nunatak, Lake Wellman and Lake Wilson. Reflections from the bedrock were observed on most profiles, ...


28. Ground penetrating radar, snow accumulation and snow pit measurements at McMurdo Ice Shelf and in the catchment basin of Erebus glacier [K053_2008_2009_NZ_1]
The knowledge of the cryosphere's mass balance is fundamental to understanding the impacts of climate change. Much of the research into the key components of the cryosphere is based on measurements ...


29. Holocene climate history from ice cores, snow profiles, the glacial system and local climate patterns from the Evans Piedmont Glacier, Victoria Land Coast Antarctica [K049_1999_2008_NZ_6]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


30. Holocene climate history from ice cores, snow profiles, the glacial system and local climate patterns from the Mt Erebus Saddle, Antarctica [K049_1999_2008_NZ_7]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from Mt Erebus ...


31. Holocene climate history from ice cores, snow profiles, weather and glacier investigations (topography, mass balance and bedrock mapping) of the Victoria Lower Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_2]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from two ...


32. Holocene climate history from investigations of the glacial system, ice cores and local climate patterns from Skinner Saddle, Victoria Land Coast Antarctica [K049_1999_2008_NZ_10]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from Skinner ...


33. Holocene climate history from investigations of the glacial system, ice cores and local climate patterns from Skinner Saddle, Victoria Land Coast Antarctica - K049_1999_2012_NZ_10 [K049_1999_2012_NZ_10]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from Skinner ...


34. Holocene climate history obtained from ice cores, snow profiles (density, chemistry, structure), snow samples (dust origin) and climate measurements from the Baldwin Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_3]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


35. Holocene climate history obtained from snow profiles (chemistry, dust flux, temperature, structure), firn cores and climate measurements from the Wilson Piedmont Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_4]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


36. Investigation into the relationship between floe size distribution (FSD), differential floe motion and jostling, and ocean wave fields penetrating the Ross Sea marginal ice zones [K131_1998_1999_NZ_1]
The relationship between floe size distribution, differential floe motion and jostling and ocean wave fields penetrating the Ross Sea marginal ice zone was investigated using ship borne access to ...


37. Investigation of dust inputs into McMurdo Sound, oxygen and hydrogen isotopes and snow/firn density from firn cores from Windless Bight, Antarctica [K049_1999_2008_NZ_8]   PARENT DIF
Two firn cores (21m and 20m) were recovered from Windless Bight to quantify dust input into the McMurdo Sound. In addition, oxygen and hydrogen isotopes as well as snow/firn density were measured.


38. Investigation of the Holocene climate history from analysis of the glacial system, ice cores and snow samples from the Whitehall Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_9]   PARENT DIF
To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from the ...


39. Investigation of the process of debris entrainment and till deposition of the Taylor Glacier [K042_1976_1977_NZ_1]
Investigations into the processes of debris entrainment and the formation of a debris layer within glacial ice was conducted. The glacial ice velocity at various points on the Taylor Glacier was conducted ...


40. Land and sea ice sructure west and south of Ross Island measured by ground penetrating radar, UAV, and helicopter EM bird [K053_2009_2010_NZ_1]   CHILD DIFs
This data set decribes surface and volume properties of snow and ice to validate radar satellite measurements. Ground penetrating radar (GPR) at 500 and 1000GHz provides information on snow layers ...


41. Land and sea ice sructure west and south of Ross Island measured by ground penetrating radar, UAV, and helicopter EM bird - K053_2009_2012_NZ_1 [K053_2009_2012_NZ_1]
This data set decribes surface and volume properties of snow and ice to validate radar satellite measurements. Ground penetrating radar (GPR) at 500 and 1000GHz provides information on snow layers ...


42. Latitudinal Gradient Project (LGP) [K002_Latitudinal_Gradient_Project_LGP]
The Latitudinal Gradient Project (LGP) ("http://www.lgp.aq/") is aimed at increasing the understanding of the coastal marine, freshwater and terrestrial ecosystems that exist along the Victoria Land ...


43. Long term data from strain meters placed on the Erebus Glacier Tongue and surrounding sea ice measuring travelling flexural waves and strain measurements [K131_1983_1990_NZ_1]
Using a strain meter with a 500mm gauge length, the elastic and plastic strain of the Erebus Glacier tongue was measured as it moves in response to waves and swells present in the surrounding sea. ...


44. Mathematical modelling of the optical behaviour sea ice in McMurdo Sound to determine the partitioning of radiant energy [K131_1998_1999_NZ_2]
Optical beam-spread profiles were measured on sea ice from McMurdo Sound, with a view to understanding the role of microstructure in the scattering of light in sea ice. These experiments were performed ...


45. McMurdo Ice Shelf Project: Measurements of ice sheet movement, accumulation and ablation rate, strain/density rates, brine infusion and snow profiles [K001_1962_1984_NZ_1]
Surface elevation and movement of the McMurdo Ice Shelf and Ross Ice Shelf were conducted as part of the McMurdo Ice Shelf Project which was active from the 1962 to 1970 field seasons. A significant ...


46. Measurement of electrical resistivity of sea ice in McMurdo Sound [K131_1984_1985_NZ_1]
The electrical resistivity of sea ice was measured in situ at two locations in McMurdo Sound: 1km south of Scott Base and 1km northwest of Tent Island. Measurements were made at frequencies of 100Hz ...


47. Measurements of high amplitude/low cycle fatigue of sea ice in conjunction with the characteristic length of sea ice, temperature and salinity profiles and acoustic emissions [K131_1989_1998_NZ_1]
The high amplitude/low cycle fatigue properties of sea ice in situ at high strain were investigated by developing a cantilever system of sea ice beams and using hydraulic equipment to exercise these ...


48. Measurements of sea ice physical properties and ice strain and wave pattern generated by a load moving over sea ice near Tent Island, McMurdo Sound [K131_1985_1986_NZ_1]
An experiment designed to study, in detail, the wave pattern generated by a load moving over sea ice was conducted on a flat area of snow free, shore fast sea ice about 2km west of Tent Island in ...


49. Measurements of the effects of debris on the mechanical behaviour (deformation and motion) of ice of the Taylor Glacier, Taylor Valley, Antarctica [K053_1992_2000_NZ_1]
Debris-rich ice is a commonly observed basal ice facies found at the base of many temperate and polar glaciers and at the base of cores through major ice sheets. The effects of the presence of debris ...


50. Measurements of the fixation of nitrogen by auroras and the chemical composition of snow at the south pole [K042_1963_1964_NZ_2]
Two scientists went to the South Pole Station to investigated the chemical composition of the polar snow. Measurements were made of the chemical constituents to determine how much nitrogen is fixed ...


Showing 1 through 50 of 93 Next

Link to NASA website
Responsible NASA Official:   Dr. Stephen Wharton
Webmaster:   Monica Lyles   ·  Contact GCMD User Support for assistance