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21 Titles Match Your Query
Showing 1 through 21 of 21
1. Arrival Heights Bruker IFS 120M FTS mid-infrared gases - K085_1996_2014_NZ_1 [K085_1996_2014_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 ...


2. Arrival Heights Bruker IFS 120M FTS mid-infrared gases - K085_1996_2014_NZ_2 [K085_1996_2014_NZ_2]
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 ...


3. An estimate of the production rate of 14CO due to natural cosmic ray background [K087_1994_1995_NZ_1]
14CO measurements in cylinders exposed in Antarctica were used to estimate the production rate of 14CO due to natural cosmic ray background with comparisons with similar exposures in the Southern ...


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. 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 ...


6. Annual measurements of atmospheric carbon dioxide concentrations and isotopic ratios from Arrival Heights, Ross Island since December 1996 [K087_1996_2008_NZ_1]
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. Small dry whole air ...


7. Annual measurements of atmospheric carbon monoxide concentrations and isotopic ratios from Arrival Heights, Ross Island since June 1991 [K087_1991_2008_NZ_1]
Carbon monoxide (CO) is a trace gas in the atmosphere. Although it occurs naturally in the atmosphere at very low concentrations, it may contribute to the greenhouse effect and concentrations are ...


8. Annual measurements of atmospheric methane concentrations and isotopic ratios from Arrival Heights, Ross Island [K087_1989_2012_NZ_1]
The atmospheric trace gas, methane (CH4), affects the radiative heat balance of the earth. The sources of atmospheric methane are not well understood. Large air samples (1000-1400 litres) of methane ...


9. Annual measurements of atmospheric methane concentrations and isotopic ratios from Arrival Heights, Ross Island since November 1989 [K087_1989_2008_NZ_1]
The atmospheric trace gas, methane (CH4), affects the radiative heat balance of the earth. The sources of atmospheric methane are not well understood. Large air samples (1000-1400 litres) of methane ...


10. Annual measurements of the stable carbon composition of carbon dioxide 13CO2 in the atmosphere from Arrival Heights, Ross Island since March 1997 [K087_1997_2008_NZ_1]
Measurements of the stable carbon composition of carbon dioxide (13CO2) are collected by small dry whole air samples (2L) annually (between 12 to 18 samples since March 1997) by a pump system from ...


11. Arrival Heights Bruker IFS 120M FTS mid-infrared gases [K085_1996_2012_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 ...


12. Atmospheric air samples from aboard supply aircrafts operating between Christchurch, New Zealand and McMurdo Sound investigating the atmospheric chemistry and reactions between carbon monoxide, methane and ozone [K087_1996_1998_NZ_1]
Large whole air samples collected from a compressor system aboard the supply aircrafts operating between Christchurch and McMurdo incorporated measurements of ozone. In association with concentration ...


13. 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 ...


14. 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 ...


15. 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 ...


16. 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 ...


17. 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 ...


18. 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 ...


19. 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 ...


20. 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. ...


21. 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.


Showing 1 through 21 of 21

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