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Atmospheric concentrations and temporal variations of C1C3 carbonyl compounds at two rural sites in central Ontario
Abstract Measurements of formaldehyde, acetaldehyde, acetone and propionaldehyde concentrations were made at two rural sites in central Ontario. One site (at Egbert, Ont.) is located ≈60 km northwestExpand
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Formaldehyde methods comparison in the remote lower troposphere during the Mauna Loa Photochemistry Experiment 2
Five methods for the measurement of CH2O vapor were compared under remote tropospheric conditions. The techniques included an aqueous-scrubber enzyme fluorescence method (URIcoil), TDLAS (UNI),Expand
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A tunable diode laser system for aircraft measurements of trace gases
The advantages of tunable diode laser absorption spectrometry (TDLAS) for measuring trace atmospheric gases are universality, positive identification, good sensitivity, and rapid response time. AExpand
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Comparison of hydroperoxide measurements made during the Mauna Loa Observatory Photochemistry Experiment 2
From the fall of 1991 through the summer of 1992 the Mauna Loa Observatory Photochemistry Experiment 2 (MLOPEX 2) took place in Hawaii. The experiment consisted of four intensive research periods,Expand
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The effect of water vapour broadening on methane eddy correlation flux measurements
A high resolution tunable diode laser absorption spectrometer (TDLAS) was used to measure the broadening effect of water vapor and other gases (dry air, nitrogen, oxygen, hydrogen and helium) onExpand
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A comparison of aircraft and ground-based measurements at Mauna Loa Observatory, Hawaii, during GTE PEM-West and MLOPEX 2
During October 19-20, 1991, one flight of the NASA Global Tropospheric Experiment (GTE) Pacific Exploratory Mission (PEM-West A) mission was conducted near Hawaii as an intercomparison withExpand
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An intercomparison of airborne nitric acid measurements
Results from an airborne intercomparison of techniques to measure tropospheric levels of nitric acid are discussed. The intercomparison was part of the National Aeronautics and Space Administration'sExpand
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Raman and far-infrared spectra of NaCrS2
Abstract The Raman and far-infrared spectra of the layer structure compound NaCrS2 have been investigated. Two Raman active modes have been identified and their observed symmetries are in accord withExpand
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An Intercomparison of Airborne Nitrogen Dioxide Instruments
Results from an airborne intercomparison of techniques to measure tropospheric levels of nitrogen dioxide (NO2) are discussed. The intercomparison was part of the National Aeronautics and SpaceExpand
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Aircraft measurements of NO x over the eastern Pacific and continental United States and implications for ozone production
Measurements of NO, NO{sub 2}, O{sub 3}, and CO are presented from 13 aircraft flights made over the eastern Pacific Ocean and the continental United States in August and September 1986 during theExpand
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