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87 Titles Match Your Query
Showing 1 through 50 of 87 Next
1. A study of the glacial history of the McMurdo Oasis by the dating of lacustre carbonates [K009_1979_1980_NZ_1]   PARENT DIF
Three holes were drilled into frozen sediments around Lake Fryxell. The first was 4ft in depth in frozen silts approx 50m NW of the Fryxell Hut. The second hole was 30m east of the first hole and ...


2. Algal composition, physico-chemical features, photosynthetic carbon metabolism, nitrogen cycling and the structure and metabolic properties of algal mats in lakes and streams of southern Victoria Land [K081_1983_1986_NZ_1]
A three year study of lakes and stream of southern Victoria Land was conducted from 1983-1986. In the first season, the algal composition and physico-chemical characteristics of South Victoria Land ...


3. Analysis of mixed water and substrate samples from glacial meltwater streams and stream beds in the Dry Valleys for ecology and physiology of protozoan found there [K061_1984_1985_NZ_1]
Aspects of the ecology and physiology of protozoa found in glacial melt waters of the Wright and Taylor Valleys were studied. Combined water/substrate samples and freeze dried moss and algae were ...


4. Analysis of soil and water samples from the Taylor Valley, Wright Valley and Ross Island areas for pathogenic free living amoebae [K021_1977_1978_NZ_1]
Soil and water was sampled to determine the distribution and occurrence of the pathogenic free living amoebae which are the aetiological agents of Primary Amebic Meningo-encephalitis. Samples were ...


5. Analysis of soil samples for human comensal micro-organism to determine the degree of human induced microbial contamination of heavily used regions [K023_2001_2002_NZ_2]
Mineral soils from the immediate vicinity of field campsites in the Wright Valley, Miers Valley and Bratina Island campsites were sampled daily during occupation. The samples were analysed with PCR ...


6. Analysis of water and soil samples for pollutants (trace metals, major anions, mercury) to determine the nature and extent of contamination in meltwaters in the Ross Dependency [K105_1992_1994_NZ_1]
A set of baseline data for the composition of meltwaters in the Ross Dependency, with particular concentrations on the levels of ultra trace heavy metals in waters remote from significant or current ...


7. Assessment of the rate of contaminant movement through Antarctic soils using a lithium chloride experiment at Lake Vanda [K150_1993_1994_NZ_4]
A leaching trial was set up at Lake Vanda to determine how rapidly and how far water-soluble materials spilt on the soil surface will move. A series of 1 x 1 m plots and control sites on the north ...


8. Benthic mat biomass and productivity (photosynthesis and respiration) in Lake Vanda, Wright Valley and the role of invertebrates in carbon cycling in the lake [K081_1997_2000_NZ_1]
The importance of benthic microbial production in the lakes of the McMurdo Dry Valleys and how the benthic cyanobacterial mats are adapted to survive and grow in deep water (extreme low light but ...


9. Biological, physical and chemical parameters in water and microbial mat samples from ponds in the Labyrinth area of Wright Valley [K081_2003_2005_NZ_1]
Water and microbial mat communities of the ponds in the Labyrinth area of Wright Valley was investigated to test the hypothesis that the gradient in climatic severity associated with latitudinal and ...


10. 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 ...


11. Channel morphology, bedform and sediments of the Onyx River and the nature and origin of the Labyrinth in the Wright Valley [K009_1975_1976_NZ_1]   PARENT DIF
The Onyx River geomorphology was investigated by surveying 8 cross sections to illustrate the variation in channel and bank morphology from the mouth of the Onyx through to its final entry into Lake ...


12. 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 ...


13. Correlations of history Victoria Land Coast soil surveys and soil chemistry and surveys of the soils of the McMurdo Dry Valleys (Wright, Victoria and Taylor Valleys) [K150_1972_1973_NZ_1]
The soils of the McMurdo Dry Valleys were examined by the NZ Soil Bureau as early as 1959 with an extensive survey of the Taylor Valley. Further areas of the Victoria Land Coast from as far south ...


14. Detailed description, mapping and sampling (for sedimentology, paleontology and chronology studies) of Cenozoic bedded polymicton-type sediments within the Taylor Valley [K042_1974_1975_NZ_3]
Cenozoic bedded polymicton-type sediments within the Taylor Valley were mapped. These polymicton-type sediments are of glacial origin deposited into a body of water and therefore exhibit sorting and ...


15. 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 ...


16. Examination of fossilized biota, especially barnacles, of the Scallop Hill Formation and Taylor Formation groups to reconstruct the palaeoenvironment [K241_1985_1986_NZ_1]
Barnacles are useful in palaeobathymetry and in palaeotemperature studies. However, barnacle plates are elusive in the field, and when fractured may be overlooked by the field geologist. The palaeoecology ...


17. Examination of the soils on high level surfaces in the McMurdo Dry Valleys and on Ross Island [K150_1977_1978_NZ_1]
The soils on high level surfaces in Victoria Land were examined for evidence of deposition origin. The areas visited include New Harbour, the Wright Valley, several valleys in the Western Asgard Range, ...


18. 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 ...


19. Genetic sequencing of terrestrial invertebrates along the latitudinal range of the Ross Dependency to determine patterns of biodiversity, phylogenetic relationships and levels of gene flow among populations [K028_1999_2008_NZ_1]
Molecular techniques (allozyme electrophoresis and mitochondrial gene sequencing) were used to characterise the Antarctic terrestrial biodiversity along the latitudinal range of the Ross Dependency ...


20. Geochemical and geomorphological investigations of the McMurdo Dry Valleys freshwater and saline water bodies [K211_1963_1987_NZ_1]   CHILD DIFs
Since the 1963-1964 season, Japanese scientists have studied major and trace elements, nutrient matter, stable and radioactive isotopes and organic constituents in lakes and ponds and geological samples ...


21. Geochemical studies on the rocks in the McMurdo Sound region [K042_1977_1978_NZ_1]
Geochemical studies were conducted in the McMurdo Sound region. Mossbauer spectrocopic studies of Desert Varnish, the physical and chemical weathering processes of the lavas on Ross Island and bedrock ...


22. Geochemical studies, the natural abundance of nitrogen isotopes in soil and evaporates and observations of the sequential changes in the saline lakes of the Dry Valleys and surrounding areas [K211_1978_1979_NZ_1]   PARENT DIF
Geochemical studies on the tritium chronology of Lake Vanda, the natural abundance of nitrogen isotopes in soil and evaporites in the Dry Valleys and observations of the sequential changes in the ...


23. Geochemistry investigations of landforms in the Ross Sea Region to determine past glacial history and landform processes [K009_1969_1970_NZ_1]   PARENT DIF
The geochemistry of Ross Island (Cape Barne and Cape Crozier), the Taylor and Wright Valleys, Lake Vida in Victoria Valley and Marble Point was studied (weathering and land formation) to determine ...


24. Geological investigation into the mode of origin of the Wright and Taylor Valleys [K042_1969_1970_NZ_2]
The Labyrinth area in the Wright Valley is an unusual area of very steep gullies with flat treads between, which form a box canyon type topography. The mode of origin of the area is a controversial ...


25. Geological mapping in the northern part of the Blue Glacier, Ferrar Glacier, Taylor Valley and at specific localities in the Wright Valley [K002_1980_1981_NZ_1]
Detailed geological mapping was completed in the northern part of the Blue Glacier, Ferrar Glacier, Taylor Valley and at specific localities in the Wright Valley. The sites visited include the Arth ...


26. Geophysical studies of Lake Vanda, Wright Valley, including lake water and ice parameters and geomorphological studies of the surrounding physical environment with comparisons with other nearby water bodies [K211_1970_1973_NZ_1]   PARENT DIF
A geophysical study of Lake Vanda, Wright Valley was conducted over three seasons focussing on the heat balance of the lake with geochemical and geomorphological studies running concurrently. Comparisons ...


27. Gravimetric water contents of soils and permafrost from sites near Lake Vanda in the Wright Valley and at Beacon Heights in the upper Taylor Valley [K150_1993_1994_NZ_2]
The water content of soils and permafrost from localities with a climate contrasting to that of Scott Base were measured from sites near Lake Vanda in the Wright Valley and at Beacon Heights in the ...


28. 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 ...


29. 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. ...


30. 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 ...


31. Interactions between liquid water and ice at the Wright Lower glacier and Minna Saddle, McMurdo Ice Shelf [K064_2006_2008_NZ_1]
To understand the nature of interactions between liquid water and ice our investigation focussed on the Wright Lower glacier, the southern end of McMurdo Ice Shelf (Minna Saddle), the margin of the ...


32. 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: ...


33. Investigation into the Bonney pluton and other plutons of Southern Victoria Land [K061_1989_1990_NZ_3]
Previous studies suggest a large part of the Koettlitz Group deformation may be attributed to the intrusion of granitoid plutons and not solely the result of regional tectonic events as previously ...


34. Investigation into the environmental factors that drive microbial diversity in the soils of the Miers Valley, Mt Erebus, Bratina Island and Beacon Valley - K023_2007_2008_NZ_1 [K023_2007_2008_NZ_1]   PARENT DIF
In this study, the active microbial component in the Dry Valleys system was characterized using newly developed molecular techniques with the aid of in situ augmentation and cloches (wind protection) ...


35. Investigation of the factors controlling the distribution of desert varnish in the Wright Valley [K008_1972_1973_NZ_1]
An investigation of the factors controlling the distribution of desert varnish in the Wright Valley, Antarctica was conducted. Traverses were made on foot throughout the Wright Valley and revealed ...


36. Investigation of the weathering processes and quaternary geology in the Wright Valley and the elevated beach ridges of Marble Point and investigation of the dykes at the Nussbaum Riegel [K042_1966_1967_NZ_1]
The weathering processes and quaternary geology was investigated in the Wright Valley, mostly near Lake Vanda but as far east as the Meserve Glacier, the Taylor Valley and at Marble Point. Igneous ...


37. Investigations into the Deep Chlorophyll Maximum Layer of Lake Vanda, Wright Valley: How is the DCM established and maintained? [K081_1994_1996_NZ_2]
The waters of Lake Vanda, Wright Valley, have risen at a rate of 1m per year. Within the lake there is a biologically important layer, the deep chlorophyll maximum (DCM), where high algal production ...


38. Investigations into the Deep Chlorophyll Maximum Layer of Lake Vanda, Wright Valley: How is the DCM maintained at a constant depth in spite of lake level rise? [K081_1994_1996_NZ_1]
The waters of Lake Vanda, Wright Valley, have risen at a rate of 1m per year. Within the lake there is a biologically important layer, the deep chlorophyll maximum (DCM), where high algal production ...


39. Investigations of the accretion of ice at the base of dry based glaciers in the McMurdo Dry Valleys (Suess, Canada, LaCroix, Taylor, Lower Wright, Clark and Upper Victoria glaciers) [K064_1995_1996_NZ_1]
The process of ice accretion at the base of dry polar glaciers in the Dry Valleys of southern Victoria Land was examined. The Suess, Canada, LaCroix and Taylor glacier in the Taylor Valley, the Lower ...


40. 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. ...


41. LAKE BROWNSWORTH METEOROLOGICAL STATION MEASUREMENTS [LTER_MCM_LBW_MET]   CHILD DIFs   PARENT DIF
As part of the Long Term Ecological Research in the McMurdo Dry Valleys of Antarctica, meteorological data was collected from various locations throughout Taylor, Wright and Victoria Valleys. This ...


42. 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 ...


43. Limnological studies of Dry Valley lakes: water parameters (pH, conductivity, nutrients, temperature), uranium content, trace elements, isotopic ratio and tritium concentrations, and geochemical samples [K211_1984_1986_NZ_1]   PARENT DIF
A large number of saline and freshwater lakes and ponds of the Dry Valley area and crater lakes behind the McMurdo station were visited for limnological study including Lake Fryxell of the Taylor ...


44. Magnetotelluric measurements of the earth's crust beneath the Wright Valley [K042_1983_1984_NZ_3]
A magnetotelluric study was made of the earth's crust beneath the Wright Valley. Fluxgate magnetometers were used to record 3 component magnetic field variations and lead electrodes, 150 meters apart, ...


45. 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 ...


46. Measurement of atmospheric electrical fields during storms and the investigation of the effect of blowing dust on these fields [K011_1969_1974_NZ_1]
An electrostatic field mill, operated by the University of Auckand Physics Department was installed at Vanda Station and monitored electrical fields during storms throughout the year over several ...


47. Measurement of the characteristics of the intensity and polaristion of skylight at two different sites in Antarctica, differeing in albedo [K041_1992_1993_NZ_1]
The enhancement of UVB radiation falling onto the different land surfaces was investigated. Previous measurements (in the 1990 season) found low maximum polarisation of sky light and strong low azimuth ...


48. 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 ...


49. Measurements of environmental damage to soils caused by foot trampling [K150_1993_1994_NZ_3]
At three sites (1 at Scott Base and 2 near Vanda Station) investigations were carried out to determine the susceptibility of the ground surface to damage from foot traffic (soil trafficability). At ...


50. Measurements of environmental radiation near Scott Base and McMurdo Station and in the McMurdo Dry Valleys [K211_1984_1985_NZ_1]   PARENT DIF
The level of environmental radiation (gamma ray exposure) due to terrestrial radionuclides was measured by using a portable NaI gamma ray survey meter in the Ross Island (near Scott Base and McMurdo ...


Showing 1 through 50 of 87 Next

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