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NOAA Mobile Lab Preliminary ResultsNovember 2011 Drives

Gaby Petron, Jon Kofler, Ben Miller, Colm Sweeney, Laura PatrickPete Edwards, Bill Dube, Steve Brown

NOAA ESRL

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11/2/11

11/3/11

NOxCaRD NO2 & Total NOx MeasurementsPete Edwards, William Dube, Steve Brown

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Background NOx

Truck spikes

Zoom on two periods

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nbutane vs propane

Oil well

Ponds

Gas wells

VOC Data: Ben Miller, Steve Montzka

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nbutane versus methane

VOC Data: Ben Miller, Steve Montzka

CH4 Data: Pat Lang, Ed Dlugokencky

Oil wells

Gas wells

Ponds

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Google Earth Files• ftp://ftp.cmdl.noaa.gov/incoming/petron/UBS/

• One O3 file: 2-minute averages - ppb

• Two CH4 files: 2 sec data - ppb

• Note: for CH4, the color scale saturates at 2.5ppm. CH4 levels went up to 15 ppm downwind of some wells