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A new perspective on ozone source apportionment: spatial evolution of daytime increment sources along transport pathways in the PRD, China
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DOI：10.1016/j.jes.2026.05.017.png)
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Abstract
En 中文
• “Daytime increment” analysis reverses the source attribution of O3 formation in PRD. • Intra-regional emissions, not inter-regional transport, govern daytime O3 exceedances. • O3 increment sources shift from local upwind to intra-regional transport downwind. • Intra-regional OVOC contributions grow along pathways, driving downwind ozone formation.
Keywords:
Ozone formation
Source apportionment
Daytime increment
Intra-regional emissions
Transport pathways
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