Factors influencing surface CO2 variations in LPRU, Thailand and IESM, 
Philippines

Macatangay, Ronald; Sonkaew, Thiranan; Velazco, Voltaire; Gerbig, Christoph; Intarat, Nilubol; Nantajai, Nittaya; Bagtasa, Gerry

doi:10.1016/j.envpol.2014.06.035

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Factors influencing surface CO₂ variations in LPRU, Thailand and IESM, Philippines

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Gerbig, Christoph
Airborne Trace Gas Measurements and Mesoscale Modelling, Dr. habil. C. Gerbig, Department Biogeochemical Systems, Prof. M. Heimann, Max Planck Institute for Biogeochemistry, Max Planck Society;

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Citation

Macatangay, R., Sonkaew, T., Velazco, V., Gerbig, C., Intarat, N., Nantajai, N., et al. (2014). Factors influencing surface CO₂ variations in LPRU, Thailand and IESM, Philippines. Environmental Pollution, 195, 282-291. doi:10.1016/j.envpol.2014.06.035.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0023-D4A3-B

Abstract

Surface carbon dioxide concentrations were measured using a non-dispersive infrared carbon dioxide sensor at Lampang Rajabhat University from April to May 2013 and at the University of the Philippines-Diliman campus starting September 2013. Factors influencing the variations in these measurements were determined using multiple linear regression and a Lagrangian transport model. Air temperature and sea level pressure were the dominant meteorological factors that affect the CO2 variations. However, these factors are not enough. Surface CO2 flux and transboundary transport needs to be considered as well.