| 127 Titles Match Your Query |
Showing 51 through 100 of 127
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51.
Experimental measurements of the production rate of 14CO in high pressure air samples [K087_2003_2004_NZ_1]
Air samples are collected from Arrival Heights for analysis of trace gas concentration and isotopic composition throughout the year. The high pressure samples that are collected from February through ...
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52.
Isotopic analysis of methane and carbon monoxide and other trace gases within firn cores from the Polar Plateau [K087_1998_2008_NZ_1]
Firn cores were sampled from Law Dome, East Antarctic Plateau and the Megadunes site on the Polar Plateau, and air samples within were analysed for methane and carbon monoxide and other trace gas ...
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53.
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 ...
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54.
Measurements of carbon dioxide concentrations from the atmosphere via equipment aboard supply aircrafts operating between Christchurch, New Zealand and McMurdo Sound [K087_1996_2008_NZ_2]
Carbon dioxide (CO2) in the earth's atmosphere is considered a trace gas and also a greenhouse gas. Levels of CO2 in the atmosphere are increasing due to anthropogenic activity. An automated flask ...
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55.
Measurements of carbon monoxide concentrations and isotopic ratios from the atmosphere via equipment aboard supply aircrafts operating between Christchurch, New Zealand and McMurdo Sound [K087_1991_2008_NZ_2]
Carbon monoxide (CO) is a trace gas in the atmosphere. The use of the radioactive isotope 14C in carbon monoxide is useful for determining the oxidative capacity via oxidation by hydroxyl (OH). Large ...
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56.
Measurements of methane concentrations and isotopic ratios from the atmosphere via equipment aboard supply aircrafts operating between Christchurch, New Zealand and McMurdo Sound [K087_1989_2008_NZ_2]
The atmospheric trace gas, methane (CH4), affects the radiative heat balance of the earth. Measurements of the carbon and hydrogen isotopes in atmospheric methane are used to relate this climatically ...
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57.
Measurements of the UV radiation (Blue, Violet, UVA and UVB) falling on sea ice in McMurdo Sound, quantification of sea ice algae and the effect of snow thickness on the transmissivity of sea ice to UV radiation [K041_1995_1996_NZ_1]
The relative amounts of visible, near and far UV radiation (Blue, Violet, UVA and UVB) falling onto sea ice in McMurdo Sound was measured at a site well cantered in the ice, i.e. not at the ice edge. ...
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58.
Measurements of the mixing ratios of the C2-C10 non-methane hydrocarbons from Arrival Heights since 1990 [K087_1990_2008_NZ_1]
A large variety of nonmethane hydrocarbons (NMHCs) are found throughout the troposphere in varying concentrations. The reaction of a NMHC with the hydroxyl (OH) molecule causes atmospheric oxidation. ...
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59.
Measurements of the polarisation of the Antarctic sky from the sea ice edge at Cape Bird and from a ship journey from Hobart to McMurdo Sound [K041_1997_1998_NZ_1]
The polarisation of the Antarctic sky was captured near the sea ice edge at Cape Bird to complement previous studies of the sky polarisation seen at Wellington (New Zealand), Scott Base, Tent Island ...
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60.
Measurements of the production of 14C in cylinders in Antarctica [K087_1992_1993_NZ_1]
In order to measure the production of 14C via 14N (n,p) 14C, cylinders with ultra pure air doped with dead CO were exposed at Scott Base and the South Pole.
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61.
Measurements of the transmission of UV light to infrared light through different samples of snow around Scott Base [K041_1997_1998_NZ_2]
The transmission of light through snow depends not only on the cleanliness but also on the size of the snow particles. The transmission properties are directly related to the reflection properties ...
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62.
Measurements of tropospheric aerosols and meteorological data in remote marine region in Antarctica to compare with New Zealand measurements to help understand the sulphur cycles influence on global climate [K176_1991_1992_NZ_1]
Dimethylsulphide (DMS) and sub-micron atmospheric particles are key components in the atmospheric sulphur cycle. DMS produced by biota in the oceans is thought to be the main source of atmospheric ...
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63.
The concentration of combustion engine particulates, the organic fraction of the particulates and the sources of the particulates identified by isotopic analysis from snow and ice samples near Scott Base [K011_2000_2001_NZ_1]
The likely sources of organic pollutants in Antarctica are aircrafts, generators and vehicular emissions. Engines and generators emit organic rich particulates due to incomplete fuel combustion that ...
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64.
The concentration of combustion engine particulates, the organic fraction of the particulates and the sources of the particulates identified by isotopic analysis from snow and ice samples near Scott Base [K016_1993_1994_NZ_1]
The McMurdo Dry Valleys contain negligible snow and ice, while being surrounded by other glaciated valleys and snow covered mountains. The mechanisms causing the valleys and maintaining them were ...
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65.
Wind profiles of the Wright Valley using an acoustic wind profiler measuring wind speed and direction and dry bulb temperature [K016_1990_1991_NZ_1]
A new acoustic wind profiler was tested in the Wright Valley on the slopes of Mount Odin. This instrument may have the advantage of providing continuous vertical profiles of wind speed and direction ...
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66.
Annual measurements of atmospheric nitrous oxide concentrations from Arrival Heights, Ross Island since May 1996 [K087_1996_2008_NZ_3]
Nitrous oxide (N2O) is the main naturally occurring regulator of stratospheric ozone and is therefore a major greenhouse gas. Small whole dry air samples (2L) are collected annually (between 12 to ...
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67.
Measurements of nitrous oxide concentrations from the atmosphere via equipment aboard supply aircrafts operating between Christchurch, New Zealand and McMurdo Sound [K087_1996_2008_NZ_4]
Nitrous oxide (N2O) is the main naturally occurring regulator of stratospheric ozone and is therefore a major greenhouse gas. An automated flask sampling system is used to collect small atmospheric ...
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68.
Hydrological and meteorological measurements (air temperature (at 1.5m and 10m), relative humidity, windspeed and direction, net radiation, solar radiation and snow heat flux) on the McMurdo Ice Shelf [K162_1990_1991_NZ_1]
Meteorological and hydrological variables were measured in the ablation zone of the McMurdo Ice Shelf (MIS) to characterise and quantify the energy and water budgets of the MIS in areas where biological ...
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69.
Induction magnetometer data, Arrival heights, Scott Base, Antarctica [K069_1989_2008_NZ_1]
A magnetometer and data recording system was installed and began recording hydromagnetic and ion cyclotron waves (geomagnetic pulsations) propagating into the high latitude cusp and polar cap regions ...
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70.
All-Sky Optical Imager data, Arrival Heights, Scott Base, Antarctica [K069_1996_2008_NZ_1]
An All-sky Optical Imager was installed in January 1996 at Arrival Heights, Ross Island, Antarctica, to continuously record and analyse optical emissions associated with solar wind particle reactions ...
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71.
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 ...
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72.
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 ...
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73.
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 ...
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74.
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 ...
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75.
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 ...
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76.
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 ...
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77.
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 ...
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78.
New Zealand International Transantarctic Scientific Expedition (NZ ITASE) - Climate variability measured from ice cores taken along the Victoria Land Coast [K049_1999_2008_NZ_1]
CHILD DIFs
The climate of the Victoria Land Coast is created by the interacting influences of the Dry Valleys, East Antarctic Ice Sheet and the Ross Sea. Slight changes can significantly alter local weather ...
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79.
Snow profiles (analysed for snow chemistry, isotope ratios dust flux and mineralogy) along a transect from the coast towards the East Antarctic Ice Sheet to interpret Holocene climate records [K049_1999_2008_NZ_5]
PARENT DIF
In order to interpret the climate record contained in the ice cores from Victoria Lower Glacier it was necessary to trace air mass trajectories to distinguish between marine and continental influences. ...
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80.
Analysis of isotopic ratios of water vapour samples from the stratosphere to determine polar stratospheric cloud formation and disintigration [K087_2001_2006_NZ_1]
The transport of water vapor near the tropopause and lower stratosphere, e.g. The inflow of tropospheric water vapor into the stratosphere and the vertical redistribution of stratospheric water vapor ...
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81.
Measurements of atmospheric aerosols from air and snow samples and meteorological measurements taken from a remote site on the Ross Ice Shelf [K093_1989_1990_NZ_1]
The chemistry of air and snow at a remote site on the Ross Ice Shelf was conducted to study atmospheric aerosol particulates which are of interest as they may be important regulators of climate and ...
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82.
Measurements of carbon dioxide concentrations and isotopic ratios from air samples collected at the surface and at altitude between New Zealand and the South Pole to determine if the Southern Ocean is a carbon sink [K087_1998_2004_NZ_1]
Carbon dioxide concentrations between New Zealand and the South Pole were found to vary for periods of several years suggesting that the Southern Ocean is acting as a sink. The role of the Southern ...
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83.
Measurements of trace substances (e.g. Nitrate, sulphate, anions, cations, methane, etc) from air and snow samples from a remote area on the east Antarctic plateau [K093_1990_1991_NZ_1]
Samples of air and snow were collected at a remote site on the east Antarctic plateau for determination of a number of trace atmospheric components to better understand the processes by which atmospheric ...
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84.
The use of computer models to predict changes in patterns and processes of terrestrial ecosystems in Antarctica: real data from automatic weather stations and digital cameras, dust samplers and soil samples [K024_2007_2008_NZ_1]
Field work was carried out to add to the creation of a dynamic geographic information system in which the specific observations about patterns and processes of the physical environment, plus observations ...
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85.
Sediment cores from Lakes Fryxell, Lake Bonney and Lake Joyce, in the McMurdo Dry Valleys, Antarctica [K022_2002_2003_NZ_1]
PARENT DIF
Cores were taken from lakes in the McMurdo Oasis to identify and date periods of low lake level to add to the existing record of periods of high lake level, with the intention of comparing the isotopic ...
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86.
An annual cycle of cloud condensation nuclei concentration in the Ross Sea Region [K173_1992_1993_NZ_1]
A cycle of cloud condensation nuclei concentration in the Ross Sea Region was collected by installing and running a CCN monitor at Scott Base. The results contributed to the Southern Hemisphere record ...
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87.
Analysis of air samples for trace levels of hydrocarbons, fluorocarbons and light hydrocarbons [K173_1984_1987_NZ_1]
The importance of minor atmospheric constituents to the global climate is well established but knowledge of their chemistry, distribution (by latitude, altitude and season) is sparse. This project ...
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88.
Atmospheric measurement from four sites in the Ross Sea Region investigating gases, aerosol properties and local weather conditions [K173_1987_1990_NZ_1]
Gases, aerosol properties and local weather was studied at sites around Ross Island and in McMurdo Sound as part of a programme to describe the properties of the atmospheric aerosol (and gases), to ...
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89.
Snow pit sampling and ice cores (from Dome C) used to measured the cosmogenic radionucleide 32Si for depositional variation and determination of half life for radiometric dating methods [K110_2003_2004_NZ_1]
Ice core records are very useful for determining past climate because they store a wide variety of proxies for climate forcing and climate response. Accurate dating of ice cores is crucial to making ...
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90.
Measurements of gases, particulates and energy from the plume, air, rocks, snow, ice, steam, gas and soils of Mt Erebus, Ross Island [K092_1989_1990_NZ_1]
Mt Erebus gases, particulates and energy forms an important source of chemical species in the Antarctic environment and its important that the composition and quantity of the components of the plume ...
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91.
Mercury concentrations of snow samples from the McMurdo Ice Shelf and the Antarctic plateau [K092_1987_1989_NZ_1]
Analysis of mercury concentrations from snow samples from Antarctica should indicate global fluxes of mercury to the atmosphere, since it is a remote location away from any regional mercury sources. ...
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92.
Altitude profile measurements of nitric acid (HNO3) using balloon packages flown into the stratosphere during the autumn, winter and spring [K085_1993_1995_NZ_1]
In addition to ground based measurements of nitric acid (HNO3), altitude profiles of nitric acid was conducted during the autumn, winter and spring using a series of balloon packs flown into the stratosphere. ...
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93.
Column and vertical profiles of chlorine monoxide from a heterodyne spectrometer [K085_1996_2008_NZ_2]
A microwave experiment was installed at Scott Base to measure microwave emission of atmospheric chlorine monoxide (ClO) near 1.1 mm wavelength by a heterodyne spectrometer. The heterodyne techniques ...
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94.
Infrared spectrometer measurements of nitric (HNO3) and hydrochloric acid (HCl) from Arrival Heights using a Bromem spectrometer [K085_1988_1996_NZ_1]
A Bomem infrared Fourier transform spectrometer (FTIR), a high resolution infrared instrument, was used to measure stratospheric nitric (HNO3) and hydrochloric acid (HCl) (measuring spectra at 10 ...
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95.
Infrared spectrometer measurements of nitric (HNO3) and hydrochloric acid (HCl) from Arrival Heights using a Bruker 120M spectrometer [K085_1996_2008_NZ_1]
A Bruker 120M interferometer, a high resolution infrared instrument, was used to measure trace gases in the atmosphere (HNO3, HCl, CH4, N2O, CO, ClONO2) during the early spring from the time the sun ...
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96.
Measurements of the boundary layer (bottom) of the atmosphere of the atmospheric trace gases NO2, O3, OClO and BrO [K085_2004_2005_NZ_1]
The experimental set up of the 'off axis' UV/visible wavelength diode array spectrometer was compared with a small portable field instrument. The diode array uses sunlight and moonlight to measure ...
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97.
Measurements of the total amount of ozone in the vertical column of the atmosphere from a ground based Brewer spectrophotometer at Arrival Heights, Antarctica [K085_1989_1996_NZ_1]
A Brewer spectrophotometer was installed at Scott Base in February 1989 to extend the measurements obtained from the Dobson spectrophotometer. The first full season of measurements began in mid-September ...
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98.
Measurements of the total amount of ozone in the vertical column of the atmosphere from a ground based Dobson spectrophotometer at Arrival Heights, Antarctica [K085_1988_2008_NZ_1]
Atmospheric ozone is important to mankind because it absorbs most ultraviolet and other high energy radiation harmful to life, preventing it from reaching the earth's surface. A rapid loss of more ...
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99.
Measurements of total ozone and aerosol parameters from October to mid-December, 1986, during the period when ozone levels are changing most rapidly [K085_1986_1987_NZ_1]
A spectrophotometer was installed at Arrival Heights near Scott Base and operated for a period of six weeks from the end of October 1986 to mid-December 1986. The instrument was fully automated and ...
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100.
Microclimate temperatures at Cape Hallett [K140_2002_2003_NZ_3]
Replicated microclimate temperatures recorded at 10-min intervals in
representative habitats for Collembola Arthropods at Cape Hallett, Antarctica
over 2002/2003 summer.
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Showing 51 through 100 of 127
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