Effect of air composition (N&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;, O&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;, Ar, and H&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;O) on CO&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt; and CH&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt; measurement by wavelength-scanned cavity ring-down spectroscopy: calibration and measurement strategy
Atmospheric measurement techniques