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119 Titles Match Your Query
Showing 1 through 50 of 119 Next
1. Biodiversity, Dynamics and Metabolics of Heterogeneous Meltwater Ponds [K025_2011_2013_NZ_3]
Microbial biodiversity and community dynamics within and between selected melt water ponds near Bratina Is will help to identify environmental drivers within ponds. Research will examine the metabolic ...


2. Lake Fryxell benthic ecology [K081_2009_2013_NZ_2]
In 2012/2013 we collected Samples and data collected along a depth transect at Lake Fryxell. This samples were collected by a dive team. The samples included water chemistry and microbial mat sampling. ...


3. Community composition survey at Terra Nova Bay with similar samples collected at Cape Evans Cape Armitage and Turtle Rock [K043_2008_2012_NZ_5]
Five ice cores were collected from Terra Nova bay in the vicinity of Gondwana station. From each core the top, middle and bottom sections were sectioned and processed as described earlier. In addition, ...


4. Biodiversity, Dynamics and Metabolics of Heterogeneous Meltwater Ponds [K025_2011_2012_NZ_3]
Microbial biodiversity and community dynamics within and between selected melt water ponds near Bratina Is will help to identify environmental drivers within ponds. Research will examine the metabolic ...


5. Characterisation of aquatic resources in McMurdo Sound region of Antarctica: water chemistry, biological identity and genomic samples [K081_2009_2010_NZ_1]
Aquatic environments in Antarctica have changes over time with a changing climate. Small aquatic zones on the surface of glaciers ablation zones are comparatively constant and represent perhaps the ...


6. Changes in the cliff face (retreat) at a cold based glacier, Wright Lower Glacier, Wright Valley, Antarctica [K064_2004_2007_NZ_4]   PARENT DIF
A change in the position of the supraglacial channel cliff faces of the Wright Lower Glacier was investigated over three field seasons (04-05, 05-06 and 06-07). The volume of ice lost due to cliff ...


7. Determining the source of melt water at a cold based glacier, Wright Lower Glacier, Wright Valley, Antarctica [K064_2004_2007_NZ_2]   PARENT DIF
The seasonal melt regime of the Wright Lower Glacier, Wright Valley, Dry Valleys, Antarctica was investigated and monitored over three field seasons (04-05, 05-06 and 06-07). Melt water samples were ...


8. Investigation into cryoconite holes at a cold based glacier, Wright Lower Glacier, Wright Valley, Antarctica [K064_2004_2007_NZ_3]   PARENT DIF
Investigation into cryoconite hole chemistry, surface area cover and construction was investigated as part of wider project looking at the seasonal melt regime of the Wright Lower Glacier. Chemistry: ...


9. Measurements of albation rates at a cold based glacier, Wright Lower Glacier, Wright Valley, Antarctica [K064_2004_2007_NZ_1]   PARENT DIF
The average annual ablation rate of the Wright Lower Glacier, Wright Valley, was determined over three field seasons (04-05, 05-06 and 06-07) as part of an investigation into the seasonal melt regime ...


10. Meltwater geochemistry and biological characteristics of the Darwin Glacier region of Antarctica [K081_2007_2008_NZ_3]
Freshwater ponds have long been recognised as an important local biodiversity element in the Antarctic landscape. A suite of relatively easily measured chemical and biological variables that provide ...


11. Meterological data at a cold based glacier, Wright Lower Glacier, Wright Valley, Antarctica [K064_2004_2007_NZ_5]   PARENT DIF
Meterological information was measured at a temporary station on the surface of the Wright Lower Glacier. This station was erected in Nov 2004 and recorded air temperature, ablation at hourly intervals ...


12. The albedo and ice transmissity at a cold based glacier, Wright Lower Glacier, Wright Valley, Antarctica [K064_2004_2007_NZ_7]   PARENT DIF
The albedo of the Wright Lower Glacier was monitored over two seasons (05-06 and 06-07) to help determine the seasonal melt regime of the glacier by using data from a climate station and manual measurements ...


13. The amount of melt water from a cold based glacier, Wright Lower Glacier, Wright Valley, Antarctica [K064_2004_2007_NZ_6]   PARENT DIF
The seasonal melt regime of the Wright Lower Glacier, Wright Valley, Dry Valleys, Antarctica was investigated and monitored over three field seasons (04-05, 05-06 and 06-07). An appreciation of the ...


14. The hydrology (pattern of flow and composition of meltwater) of a cold based glacier, Wright Lower Glacier, Wright Valley, Antarctica [K064_2004_2007_NZ]   CHILD DIFs
The seasonal melt regime of the Wright Lower Glacier, Wright Valley, Dry Valleys, Antarctica was investigated and monitored over three field seasons (04-05, 05-06 and 06-07). The water cycle, which ...


15. The biomass, productivity and biodiversity of algae and bacteria in Granite Harbour and the physical parameters of their environment [K043_2008_2009_NZ_2]
The total biomass, productivity and biodiversity of algae and bacteria from the sea ice and the water column was investigated in Granite Harbour. Sampling sites in the Granite Harbour area were used ...


16. The biomass, productivity, physiology and grazing pressures of phytoplankton during the polar winter in the Ross Sea region [K043_2007_2008_NZ_1]
What happens to primary production during the long polar night was investigated in the Ross Sea region. Phytoplankton samples were obtained from the water column at Cape Armitage and Cape Evans. Phytoplankton ...


17. The response of sea ice and brine water algae and bacteria to changes in salinity, temperature, light and UVB in Granite Harbour [K043_2008_2009_NZ_3]
In the 2008/2009 season, samples of the bottom ice algae and brine algae (within 30cm of the top of the ice) were subjected to temperature, salinity, light and UVB experiments and analysed with PAM ...


18. Microbial mat development and production variation in relation to physio-chemical variation in 13 ponds that all originated from one greater pond near Bratina Island on the McMurdo Ice Shelf [K081_2005_2006_NZ_1]
Microbial mat development and production varies from pond to pond due to the physio-chemical variation amongst the ponds. To study this variation a series of 13 ponds were selected that had originated ...


19. Sampling based chemical and biogeochemical stratification profiles of melt water ponds at Bratina Island, McMurdo Ice Shelf [K081_2005_2006_NZ_2]
A comprehensive suite of geochemical samples and measurements from a selection of meltwater ponds at Bratina Island was collected in the 2005/06 and 2006/07 seasons. The purpose was to help identify ...


20. Soil and groundwater description, characterisation and sampling at various sites at Cape Hallett [K123_2003_2005_NZ_1]
The soil and groundwater at Seabee Hook, Cape Hallet was described and characterised. Soil Investigation: Soil pits were dug east of Willett Cove on low mounds on disturbed and undisturbed sites, ...


21. The bacterial biomass of sea ice from Seabees Hook, Cape Hallett region [K043_2003_2005_NZ_2]
A taxonomic assessment of sea ice bacteria abundance and their response to climate induced stress was investigated from the sea ice around Seabee Hook, Cape Hallett. Four sites at different points ...


22. The biomass, productivity and biodiversity of algae and bacteria in Terra Nova Bay and the physical parameters of their environment [K043_2006_2008_NZ_1]
The total biomass, productivity and biodiversity of algae and bacteria from the sea ice and the water column was investigated in Terra Nova Bay. Sampling sites in the Terra Nova Bay area were used ...


23. The hydrology, glaciology and sediment transport monitoring of the glacial-river-lake system in the Miers Valley, Antarctica [K046_1988_1991_NZ_1]   PARENT DIF
A three year hydrological, glaciological and sediment transport monitoring programme was conducted in the Miers Valley. The energy and mass balances of the glacier-river-lake system was investigated ...


24. The response of sea ice and brine water algae and bacteria to changes in salinity, temperature, light and UVB in Terra Nova Bay [K043_2006_2008_NZ_4]
Samples of the bottom ice algae and brine algae (within 30cm of the top of the ice) were subjected to temperature, salinity, light and UVB experiments and analysed with PAM rapid light curves to determine ...


25. Community composition survey at Terra Nova Bay with similar samples collected at Cape Evans and Cape Armitage [K043_2008_2009_NZ_5]
Five ice cores were collected from Terra Nova bay in the vicinity of Gondwana station. From each core the top, middle and bottom sections were sectioned and processed as described earlier. In addition, ...


26. Early geological, glaciology and biological investigations of the McMurdo Dry Valleys, the Koettlitz Glacier area and Darwin Glacier area by Victoria University of Wellington Antarctic Expeditions [K042_1957_1963_NZ_1]
The Victoria University of Wellington Antarctic Expedition (VUWAE) was mounted to complete the detailed investigations of the extensive ice free area of Victoria Land between the Taylor and Mackay ...


27. Investigation of the physics (heat balance) and chemistry of Lake Bonney, Taylor Valley, 1962-1963 [K042_1962_1963_NZ_1]
The heat balance and chemistry of Lake Bonney was investigated in the 1962-63 field season. Temperature profiles were measured through 11 holes drilled in the surface ice of Lake Bonney. Of these, ...


28. Investigation of the physics (heat balance) and chemistry of Lake Vanda, Wright Valley, 1961-1962 [K042_1961_1962_NZ_1]
The first study of the physics and chemistry of Lake Vanda and the geology of the surrounding area were investigated in the 1961-1962 field season. Twelve holes were drilled at 1000ft intervals along ...


29. Measurements of water temperature, spectral irradiance (amount of sunlight), density and salt concentration from lakes in the Taylor and Wright Valley [K042_1963_1964_NZ_1]
The physics and chemistry of the many lakes and ponds in the McMurdo Dry Valleys was investigated in the 1963-64 field season. Previous work on Lakes Vanda and Bonney in the Wright and Taylor Valleys ...


30. Investigations of the algal ecology of Lake Vanda, Wright Valley and Lake Miers, Miers Valley [K042_1964_1965_NZ_4]
The algal ecology of two Antarctic lakes, Lake Vanda, Wright Valley and Lake Miers, Miers Valley, were studied, and extensive collections were made of littoral and terrestrial algae, lichens and mosses. ...


31. Glacial geological investigations at the Northern penguin colony at Cape Bird [K162_1985_1986_NZ_1]
Glaciological work was carried out at Cape Bird to determine the glaciers margin structure. Initially, the hydrology of the region was investigated to determine the feasibility of measuring stream ...


32. Hydrology and Glaciology of the Dry Valleys of Antarctica - glacier mass balance, ablation and movement and melt record determined by monitoring of stream flow and lake level of glacier fed streams and lakes [K161_1969_1991_NZ_1]   CHILD DIFs
A hydrological/glaciological study was conducted in the Dry Valleys of Antarctica from the 1969/70 summer until the 1990/91 season. The purpose of the hydrological/glaciological programme was to study ...


33. Ice thickness measurements of the Erebus Ice Tongue by radio echo sounder [K162_1985_1986_NZ_2]
The Erebus Ice Tongue breaks off near its mid point in single regular calving events at about 30 year intervals. A number of studies have been made on the growth rate, mass balance, ice physics and ...


34. Ice thickness measurements of the Wright Lower Glacier using radio echo sounders [K162_1985_1986_NZ_3]
The Wright Lower Glacier develops a complex of lake and glacier ice where the glacier enters Lake Brownworth. The form of the subglacial ice water surface was investigated. Ice thicknesses were determined ...


35. Investigations of the glaciology and hydrology in the Terra Nova Bay regions [K162_1984_1985_NZ_1]
The occurrence or non-occurrence of both glacial moraines and past sea levels in the Terra Nova Bay area was investigated with a view to establishing a glacial chronology to supplement the Dry Valleys ...


36. Lake water level monitoring of glacier fed lakes in the Dry Valleys [K161_1969_1991_NZ_3]   PARENT DIF
Monitoring of the lake level and lake ice ablation rates of lakes in the Dry Valleys was monitored from the 1969/70 summer until the 1990/91 season. The data was used to contribute to the understanding ...


37. Mass balance measurements and glacier monitoring of glaciers in the Dry Valleys [K161_1969_1991_NZ_4]   PARENT DIF
Glaciers of the Dry Valleys occur where snow accumulation gains exceed sublimation and other losses. Monitoring of the mass balance of glaciers in the Dry Valleys was conducted from the 1969/70 summer ...


38. Spatial variation measurements of the hydrology and glaciology of the Dry Valleys [K161_1969_1991_NZ_5]   CHILD DIFs   PARENT DIF
The long term hydrology/glaciology study carried out in the McMurdo Dry Valleys was conducted to gain information on the hydrological behaviour of the Dry Valleys rivers and lakes, particularly for ...


39. Streamflow monitoring of the Onyx River in the Wright Valley and various other glacier melt streams in the Dry Valleys [K161_1969_1991_NZ_2]   PARENT DIF
Monitoring of the stream flow of glacial streams in the Dry Valleys was monitored from the 1969/1970 summer until the 1990/1991 season. The data was used to contribute to the understanding of the ...


40. Sediment transport load in the Onyx River, Wright Valley [K164_1984_1985_NZ_1]
The sediment transport load in the Onyx River was investigated. The bedload transport rates were used in association with the 15 year flow record, to estimate sandur sedimentation rates. 38 cross ...


41. Determining the rates of nutrient uptake to create an approximate nutrient budget of microbial mats from Bratina Island ponds, McMurdo Ice Shelf [K081_2000_2001_NZ_5]
Mat cores from ponds on the McMurdo Ice Shelf were incubated in pond water which had been spiked by 50 µg l-1 of nitrate or phosphate. Three ponds were used for water samples (Skua, Duet and P70) ...


42. The effect of temperature and sulphate availability on the terminal electron flow (to sulphide or methane) in anaerobic Antarctic sediments [K081_2001_2002_NZ_1]
Sediment was collected from a range of ponds from the McMurdo Ice Shelf and returned to New Zealand for laboratory studies. Samples were incubated in long term incubators to determine the relative ...


43. A survey of suitable sites in the Wright Valley for boreholes and a study of Lake Vanda sediments [K009_1971_1972_NZ_2]   PARENT DIF
Two weeks were spent in the Wright Valley to survey suitable sites for boreholes to be put down as part of the International Drilling Programme. It was proposed to core the entire thickness of bottom ...


44. Bathymetric surveys, the geomorphology, glacial chronology, halite investigations, thermokarst formations, overland flow and stream bifurcations of Lake Bonney area [K009_1973_1974_NZ_1]   PARENT DIF
35 holes were drilled through the ice in the smaller western lobe of Lake Bonney and the bathymetry of the lake was determined. A further 52 holes were used for the eastern lobe bathymetry. Sediment ...


45. Estimates of the rate of photosynthesis, nitrate reduction and sulphate reduction of bacteria in Antarctic ponds and lakes [K009_1982_1983_NZ_2]
Samples of algae and bacteria were from the east and west lobe of Lake Bonney (sediment), Lake Miers sediment, Lake Fryxell (9.75m and 14m sediment) and an oligotrophic and eutrophic pond at Cape ...


46. Examination of the chemistry, physics and sedimentology of Lake Wilson, Waikato Valley, Brown Hills Region [K009_1974_1975_NZ_1]   PARENT DIF
Lake Wilson was examined to see if it contained permanent water. The thickness of the ice was described. 36 holes were drilled and the bathymetry was mapped. Surface sediment samples were collected ...


47. Ice core and soft sediment samples from Lake Fryxell, Lake Vanda, Don Juan Pond and surrounding shallow lakes in the Wright Valley [K009_1978_1979_NZ_3]   PARENT DIF
A bathymetric map of Lake Fryxell was completed by drilling 28 holes through the floating ice and mapping the lake bottom. 13 cores were collected. The lake benthic sediment was cored for investigation. ...


48. Observations on the development of shore lines on Lake Vanda [K009_1972_1973_NZ_3]   PARENT DIF
A number of observations on the development of the shore line around Lake Vanda was recorded. Two previous seasons found the lake level to have risen considerably but the 72/73 season the lake level ...


49. Temperature and salinity profiles of the lakes in the Ross Sea Region [K009_1969_1970_NZ_2]   PARENT DIF
Temperature and salinity profiles and general characteristics of Deep Lake and Lake Bonney were investigated.


50. The bathymetry and sedimentology of Lake Joyce [K009_1972_1973_NZ_4]   PARENT DIF
18 holes were drilled through the floating ice of Lake Joyce. The position of the holes were surveyed, the ice thickness and water depths were measured and the coring of the bottom sediments was ...


Showing 1 through 50 of 119 Next

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