Arctic Ocean CO&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt; uptake: an improved multiyear estimate of the air–sea CO&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt; flux incorporating chlorophyll &amp;lt;i&amp;gt;a&amp;lt;/i&amp;gt; concentrations
Biogeosciences