Table 1 Regression coefficients for ice nucleating particles and secondary organic aerosol (SOA) concentrations.
From: A biogenic secondary organic aerosol source of cirrus ice nucleating particles
SOA component | SOA concentration | Mass fraction | ||
|---|---|---|---|---|
R2 (R2 outlier omitted) | p value (p value outlier omitted) | R2 (R2 outlier omitted) | p value (p value outlier omitted) | |
Isoprene | ||||
2-MT | 0.88 (0.62) | 5.4 × 10–5 (1.2 × 10–2) | 0.89 (0.83) | 4.5 × 10–5 (5.9 × 10–4) |
2-MT OS | 0.88 (0.56) | 7.0 × 10–5 (2.1 × 10–2) | 0.87 (0.88) | 9.6 × 10–5 (2.1 × 10–4) |
2-MG OS | 0.92 (0.73) | 1.1 × 10–5 (3.6 × 10–3) | 0.86 (0.79) | 1.3 × 10–4 (1.3 × 10–3) |
OS 211 | 0.91 (0.72) | 1.5 × 10–5 (4.1 × 10–3) | 0.89 (0.91) | 3.7 × 10–5 (7.7 × 10–5) |
OS 213 | 0.88 (0.56) | 5.9 × 10–5 (2.0 × 10–2) | 0.85 (0.86) | 1.2 × 10–4 (4.3 × 10–4) |
α‐pinene | ||||
Terebic acid | 0.64 (0.20) | 5.6 × 10–3 (2.2 × 10–1) | 0.81 (0.30) | 3.9 × 10–4 (1.3 × 10–1) |
Anthropogenic | ||||
4-NP | 0.12 (0.03) | 3.3 × 10–1 (6.5 × 10–1) | 0.85 (0.49) | 1.3 × 10–4 (3.5 × 10–2) |
4-NN | 0.00 (0.05) | 8.7 × 10–1 (5.8 × 10–1) | 0.21 (0.09) | 1.8 × 10–1 (4.2 × 10–1) |
