CO - Summer School Alpbach 2012
CO - Summer School Alpbach 2012
CO - Summer School Alpbach 2012
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Merit of satellite observations of <strong>CO</strong> 2 (similar for CH 4)<br />
Rayner & O‘Brien, GRL, 2001<br />
Global <strong>CO</strong> 2 flux uncertainty<br />
~ 6 GtC/yr<br />
Reduced to ~ 3 GtC/yr<br />
using surface stations<br />
Satellites can improve this if<br />
sensitive to PBL and if<br />
uncertainty < 2 ppm (0.5%)<br />
for monthly 8 o x10 o columnaveraged<br />
<strong>CO</strong> 2 („X<strong>CO</strong> 2 “)<br />
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