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The characterization of pollution sources in eastern Asia using observations from the TRACE-P aircraft mission Ting S. Chen, D.J. Jacob, et al. Harvard.

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Presentation on theme: "The characterization of pollution sources in eastern Asia using observations from the TRACE-P aircraft mission Ting S. Chen, D.J. Jacob, et al. Harvard."— Presentation transcript:

1 The characterization of pollution sources in eastern Asia using observations from the TRACE-P aircraft mission Ting S. Chen, D.J. Jacob, et al. Harvard University Atmospheric Chemistry Modeling Group Objectives: Identify CO2-CO-C2Cl4-CH3Cl-HCN and CH4-C2H6-CO relationships in Asian plumes sampled during TRACE-P Relate these relationships to specific source signatures Use these source signatures to test TRACE-P 3-D model simulations

2 Chinese (Shanghai and Beijing) and Japanese urban plumes
DC8-13: Yokota Local 1, 2001 March 21 CO2vs.CO Red points: Japanese plume - high CO2/CO, C2Cl4/CO - low HCN, CH3Cl Yellow/Blue points: Chinese plume - high HCN, CH3Cl: biofuel? C2Cl4 vs.CO HCNvs.CO CH3Cl vs. CO

3 Biomass burning plume from SE Asia (in green)
P3-B : Hong Kong Local 1, 2001 March 7 Biomass burning plume from SE Asia (in green) CO2 vs. CO HCN vs. CO C2Cl4 vs. CO Plume’s source region: Southeast Asia

4 Preliminary Conclusions:
CO2 /CO ppm/ppb HCN/CO ppt/ppb CH3Cl/CO C2Cl4/CO Biomass Burning ~1+ .45-.6 China pollution ~1 .6-2.2 Japan pollution nc 0.25+ Biomass burning, China, Japan plumes have distinct CO2/CO signatures

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