Fast time response tunable diode laser measurement of atmospheric trace gases for eddy correlation

G. L. Ogram, F. J. Northrup, G. C. Edwards

Research output: Contribution to journalArticlepeer-review

Abstract

A fast-response, atmospheric trace gas monitor, based on the principle of tunable diode laser absorption spectroscopy, has been developed for making eddy correlation measurements of dry deposition fluxes. This system, which is capable of detecting many trace gases of interest with high sensitivity and selectivity, has been demonstrated to have a response time of 0.3 s. The monitor was tested under field conditions (both summer and winter) and shown to have adequate sensitivity and time response for eddy correlation. The system has been tested for NO₂ and SO₂. Possibilities for further improvements are discussed.
Original languageEnglish
Pages (from-to)521-527
Number of pages7
JournalJournal of Atmospheric and Oceanic Technology
Volume5
Issue number4
DOIs
Publication statusPublished - 1988
Externally publishedYes

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