From: Deposition of water-soluble inorganic ions in PM2.5 in a typical forestry system in Beijing, China
Olympic Forest Park | Jiufeng National Forest Park | |||
---|---|---|---|---|
Daytime (n = 27) | Nighttime (n = 18) | Daytime (n = 27) | Nighttime (n = 18) | |
Temperature (°C) | 21.38 ± 3.75 | 19.93 ± 3.20 | 20.85 ± 3.45 | 18.54 ± 4.03 |
Humidity (%) | 53.79 ± 11.93 | 57.48 ± 12.32 | 58.43 ± 11.98 | 63.51 ± 17.17 |
wind speed (m·s− 1) | 1.06 ± 0.64 | 0.79 ± 0.49 | 1.28 ± 0.73 | 0.96 ± 0.51 |
u* (m·s− 1) | 0.36 ± 0.27 | 0.21 ± 0.09 | 0.42 ± 0.22 | 0.30 ± 0.13 |
L (m) | −17.13 ± 9.6 | 28.04 ± 14.52 | −16.13 ± 8.77 | 22.64 ± 7.75 |