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Tropospheric Chemistry: Instruments

MABEL (Mobile Atmosphere-Biosphere Environmental Laboratory) Photolysis Rates (j-values)

Decommissioned

MABEL filter radiometers on Kohler Mesa
MABEL filter radiometers at the Kohler Mesa, Colorado

Principle of the Measurement

Filter radiometry

Species Measured

jNO2, jNO3, jO3(O1D)

Time Response

1 second

Detection Limit

jNO2 = 3e-6 s-1; jNO3 = 4e-7 s-1; jO3 = 5e-9 s-1

Manufacturer

Metcon Inc.

Field Projects

Key Publications

Stark, H., B. M. Lerner, R. Schmitt, R. Jakoubek, E. J. Williams, T. B. Ryerson, D. T. Sueper, D. D. Parrish, and F. C. Fehsenfeld, Atmospheric in situ measurement of nitrate radical (NO3) and other photolysis rates using spectroradiometry and filter radiometry, J. Geophys. Res., doi:10.1029/2006JD007578, 2007.