Measurements, Methods, and Contacts

Species	Method	Frequency	Precision	Accuracy	Contact (See note 1 below for link with email addresses.)
CO	NDIR (TEI-48C-TL modified with zeroing and flow control)	1/4 min (2-min avg)	9 ppbv (2-min avg); 3 ppbv (30-min avg)	specify	Chris Owen, Michigan Tech
Ozone	UV absorbance (TEI-49)	1/min (1-min avg)			Richard Honrath, Chris Owen, Michigan Tech
NO	ozone chemiluminescence	x	x	x	Maria Val Martin, Michigan Tech
aerosol absorption coefficients (total, black carbon and dust); aerosol absorption exponents	Multi-wavelength aethalometer (370, 450, 520, 590, 660, 880 and 950 nm)				Paulo Fialho, University of the Azores
NMHCs(2)	GC/FID/PID				Detlev Helmig, University of Colorado
JNO2(3)	filter radiometer (Metcon)	1/min (1-min avg)			Richard Honrath, Michigan Tech
Met array(4)	details				Jan Kleissl, Michigan Tech
Seismic					?, University of the Azores

Notes:

1

For contact details, see contacts.

2

C3-C7 non-methane hydrocarbons.

3

The downwelling component of JNO2 only.

4

During summer 2004, multiple temperature, humidity, and wind measurements are being made along the slope of Pico mountain to characterize flow around and up/down the mountain.