From: Deposition of water-soluble inorganic ions in PM2.5 in a typical forestry system in Beijing, China
Ions | Olympic Forest Park F (μg·m−2·s−1) | Jiufeng National Forest Park F (μg·m−2·s− 1) | ||
---|---|---|---|---|
Daytime (n = 27) | Nighttime (n = 18) | Daytime (n = 27) | Nighttime (n = 18) | |
Na+ | − 0.0214 ± 0.0157 | − 0.0016 ± 0.0097 | −0.0228 ± 0.0110 | − 0.0174 ± 0.0095 |
NH4+ | − 0.0010 ± 0.0370 | 0.0063 ± 0.0213 | −0.0947 ± 0.0735 | −0.0221 ± 0.0107 |
K+ | −0.1690 ± 0.2373 | 0.0115 ± 0.0596 | −0.0526 ± 0.0286 | −0.0124 ± 0.0097 |
Mg2+ | −0.0170 ± 0.0103 | −0.0063 ± 0.0200 | −0.0130 ± 0.0120 | −0.0084 ± 0.0053 |
Ca2+ | −0.1276 ± 0.0481 | −0.0554 ± 0.0438 | −0.0766 ± 0.0512 | −0.0458 ± 0.0208 |
Cl− | −0.0665 ± 0.1329 | 0.0215 ± 0.0494 | −0.0584 ± 0.0210 | −0.0152 ± 0.0084 |
NO3− | −0.2984 ± 0.3114 | −0.1785 ± 0.1089 | −0.7168 ± 0.5892 | −0.2010 ± 0.1613 |
SO42− | − 7.2279 ± 5.0425 | − 2.2624 ± 2.4174 | −9.0948 ± 7.1419 | − 2.0206 ± 1.4805 |