Table 8 Dry deposition velocities of water-soluble inorganic ions compared with treeless green spaces
From: Deposition of water-soluble inorganic ions in PM2.5 in a typical forestry system in Beijing, China
Ions | Vd (cm·s− 1) | |||
|---|---|---|---|---|
Current study | Xing et al. (2018) (1-year) | Chu et al. (2008) (3-month) | ||
Daytime (n = 27) | Nighttime (n = 18) | (n = 12) | (n = 32) | |
Na+ | 0.38 ± 0.40 | 0.14 ± 0.30 | 4.42 | |
NH4+ | −0.13 ± 0.30 | −0.01 ± 0.09 | 0.17 ± 0.11 | 1.65 |
K+ | 0.59 ± 0.69 | 0.04 ± 0.42 | 10.29 | |
Cl− | 0.05 ± 0.16 | − 0.12 ± 0.86 | 7.53 | |
NO3− | 0.29 ± 0.12 | 0.15 ± 0.11 | 0.35 ± 0.20 | 0.64 |
SO42− | 1.21 ± 0.24 | 0.33 ± 0.42 | 1.12 | |