Table 8.

Summary of the $R_{\text{adj}}^2$ obtained when correlating mass concentration of a species to N_d under different atmospheric conditions.

		$R_{\text{adj}}^2$
Binning criterion	Data points considered	${\text{NSS-SO}}_4^{2-}$	Na	Ox	Fe
None	All	0.29	0.19	0.15	0.05
Turbulence	High σw	0.27	0.26	0.09	0.02a
	Low σw	0.27	0.09	0.30	0.07
Smoke influence	No smoke	0.36	0.24	0.07	0.04
	Smoke	0.22	0.17	0.42	0.15
	NiCEb	0.36	0.46	0.60	0.28
	FASEb	0.18	0.13	0.41	0.12
Normalized cloud height	Top third	0.33	0.33	0.08	0.03
	Middle third	0.29	0.16	0.16	0.03
	Bottom third	0.17	0.10	0.29	0.20

^aThis $R_{\text{adj}}^2$ has a p value > 0.05.

^bOnly smoke-influenced samples in this campaign were considered.