OP-2 Open Path Dual Gas Analyser

Choi T., Yun J.I., Lim J-H., Park E-W. and Kim J. (2002)
Variability of Calibration Factors for Open-Path CO₂/H₂O Infrared Gas Analyzer and Its Effect on Long-Term Flux Measurement. Korean Journal of Agricultural and Forest Meteorology, 4; 103-113.

Hirano T., Hirata R., Fujinuma Y., Saigusa N., Yamamoto S., Harazono Y., Takada M., Inukai K. and Inoue G. (2003)
CO₂ and water vapour exchange of a larch forest in northern Japan. Tellus, 55B: 244-257.

Herold, G, Thomas C, Foken T (2005)

The OP-2 open path infrared gas analyser for CO₂ and H₂O. Publisher; Arbeitsergebnisse, Universität Bayreuth, Abt. Mikrometeorologie, ISSN 1614-8916.

Velasco E., Pressley S., Grivicke R., Allwine E., Coons T., Foster W., Jobson B. T., Westberg H., Ramos R., Hernández F., Molina L. T., and Lam

Eddy covariance flux measurements of pollutant gases in urban Mexico City. Atmos. Chem. Phys., 9, 7325–7342.

Velasco E., Pressley S., Grivicke R., Allwine E., Lamb B. (2009) 

Energy balance in urban Mexico city: observation and parameterization during the Milagro-2006 field campaign. Paper presented at The 7^th International Conference on Urban Climate, 29/6/09 – 3/7/09, Yokohama, Japan.