The Adaptable 4A Inversion (5AI): description and first &amp;lt;i&amp;gt;X&amp;lt;/i&amp;gt;&amp;lt;sub&amp;gt;CO&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;&amp;lt;/sub&amp;gt; retrievals from Orbiting Carbon Observatory-2 (OCO-2) observations
Atmospheric measurement techniques