Abstract: Received 10 May 2007; revised 19 September 2007; accepted 25 October 2007; published 26 January 2008. [1] Space-borne formaldehyde (HCHO) column measurements from the Ozone Monitoring Instrument (OMI), with 13 � 24 km 2 nadir footprint and daily global coverage, provide new constraints on the spatial distribution of biogenic isoprene emission from North America. OMI HCHO columns for June-August 2006 are consistent with measurements from the earlier GOME satellite sensor (1996–2001) but OMI is 2–14% lower. The spatial distribution of OMI H...
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Topics: 
Atmospheric sciences
Meteorology