Arid Land Geography ›› 2025, Vol. 48 ›› Issue (4): 623-631.doi: 10.12118/j.issn.1000-6060.2024.358
• Climatology and Hydrology • Previous Articles Next Articles
WEI Jiang1(), ZHAO Caixin1, WANG Guohua2, ZHAO Lili2
Received:
2024-06-07
Revised:
2024-08-22
Online:
2025-04-25
Published:
2025-04-18
WEI Jiang, ZHAO Caixin, WANG Guohua, ZHAO Lili. Characteristics and sources of water-soluble ion components in PM2.5 in the urban area of Urumqi City[J].Arid Land Geography, 2025, 48(4): 623-631.
Tab. 1
Mean value of PM2.5,ion concentration and related indicators during the heating period and non-heating period"
项目 | 非采暖期 | 采暖期 | |||
---|---|---|---|---|---|
N | 均值 | N | 均值 | ||
PM2.5/μg·m-3 | 61 | 19.11±7.02 | 103 | 106.67±75.26 | |
SO2/μg·m-3 | 61 | 5.57±0.98 | 103 | 5.93±1.45 | |
NO2/μg·m-3 | 61 | 22.53±7.67 | 103 | 51.97±19.84 | |
F-/μg·m-3 | 61 | 0.06±0.05 | 103 | 0.54±0.43 | |
Cl-/μg·m-3 | 61 | 0.35±0.52 | 103 | 3.63±2.53 | |
61 | 1.42±0.79 | 103 | 24.00±19.30 | ||
61 | 0.93±1.05 | 103 | 25.80±21.10 | ||
Na+/μg·m-3 | 61 | 0.11±0.06 | 103 | 0.64±0.41 | |
61 | 0.73±0.52 | 103 | 17.00±13.60 | ||
K+/μg·m-3 | 61 | 0.15±0.18 | 103 | 0.82±0.75 | |
61 | 0.07±0.08 | 103 | 0.18±0.20 | ||
61 | 1.17±2.16 | 103 | 5.66±7.86 | ||
OC/μg·m-3 | 61 | 3.10±0.87 | 103 | 5.23±2.42 | |
EC/μg·m-3 | 61 | 0.64±0.21 | 103 | 0.99±0.32 | |
AE/CE | 61 | 0.60±0.25 | 103 | 0.94±0.33 | |
61 | 0.59±0.42 | 103 | 1.17±0.52 | ||
SNA | 61 | 3.08±0.79 | 103 | 66.80±18.00 | |
SOR | 61 | 0.14±0.07 | 103 | 0.61±0.24 | |
NOR | 61 | 0.03±0.03 | 103 | 0.22±0.11 | |
总离子浓度/μg·m-3 | 61 | 4.99±0.60 | 103 | 78.27±7.35 |
Tab. 2
Results of principal component analysis of chemical components in PM2.5 during the heating and non-heating periods"
项目 | 采暖期 | 非采暖 | ||||
---|---|---|---|---|---|---|
主成分1 | 主成分2 | 主成分1 | 主成分2 | 主成分3 | ||
SO2 | 0.182 | 0.702 | 0.168 | -0.141 | 0.740 | |
NO2 | 0.927 | -0.173 | 0.162 | 0.758 | -0.323 | |
F- | 0.937 | -0.165 | 0.899 | -0.178 | -0.049 | |
Cl- | 0.954 | -0.188 | 0.924 | -0.281 | -0.125 | |
0.960 | -0.071 | 0.584 | 0.695 | 0.252 | ||
0.893 | -0.147 | 0.380 | 0.843 | -0.010 | ||
Na+ | 0.864 | -0.108 | 0.847 | 0.134 | 0.042 | |
0.966 | -0.071 | 0.143 | 0.955 | 0.153 | ||
K+ | 0.890 | 0.162 | 0.933 | -0.147 | -0.149 | |
0.575 | 0.686 | 0.926 | -0.260 | -0.076 | ||
0.519 | 0.643 | 0.818 | -0.339 | 0.078 | ||
贡献率/% | 68.94 | 11.30 | 48.53 | 27.56 | 10.25 | |
来源 | 二次污染、工业生产和尾气 | 燃煤、矿 物粉尘 | 扬尘、工业生产 | 二次 污染 | 燃煤 污染 |
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