4 Sensitivity of Ambient Atmospheric Formaldehyde to VOC and NO x …
2 5
4.3 Results
The sensitivities of HCHO and O 3 to source category in July are shown in Figs. 4.1
and 4.2, for both overall emissions and anthropogenic emissions only. HCHO is
most sensitive to hydrocarbon emissions from biogenic sources, and more sensitive
to hydrocarbons than NO x , partially because biogenic emissions of reactive hydrocarbons are large in summer. When sensitivities are analyzed for anthropogenic sources
Fig. 4.1 Sensitivity of HCHO to emissions of hydrocarbons and NO x from different source sectors,
including biogenic and anthropogenic sources (left) and anthropogenic sources only (right)
Fig. 4.2 Sensitivity of O 3 to emissions of hydrocarbons and NO x from different source sectors,
including biogenic and anthropogenic sources (left) and anthropogenic sources only (right)
2 5
4.3 Results
The sensitivities of HCHO and O 3 to source category in July are shown in Figs. 4.1
and 4.2, for both overall emissions and anthropogenic emissions only. HCHO is
most sensitive to hydrocarbon emissions from biogenic sources, and more sensitive
to hydrocarbons than NO x , partially because biogenic emissions of reactive hydrocarbons are large in summer. When sensitivities are analyzed for anthropogenic sources
Fig. 4.1 Sensitivity of HCHO to emissions of hydrocarbons and NO x from different source sectors,
including biogenic and anthropogenic sources (left) and anthropogenic sources only (right)
Fig. 4.2 Sensitivity of O 3 to emissions of hydrocarbons and NO x from different source sectors,
including biogenic and anthropogenic sources (left) and anthropogenic sources only (right)