Table 1 The mean mass concentrations (μg m−3) and percentages (%) of ions in TSP and PM2.5 during DS (dust storm) and NDS (non-dust storm) days in the dust and non-dust seasons.

From: First long-term detection of paleo-oceanic signature of dust aerosol at the southern marginal area of the Taklimakan Desert

 

TSP

PM2.5

Dust Season

Non-dust Season

Dust season

Non-dust Season

DS

NDS

NDS

DS

NDS

NDS

Conc.

Percentage

Conc.

Percentage

Conc.

Percentage

Conc.

Percentage

Conc.

Percentage

Conc.

Percentage

SO42−

22.98

2.07

5.20

2.73

7.43

6.41

4.15

3.28

1.92

3.93

1.21

11.90

Cl−

17.41

1.62

4.98

2.64

5.48

4.84

3.27

2.49

1.57

3.23

0.76

7.04

Na+

8.27

0.75

2.02

1.04

1.94

1.63

1.13

0.91

0.60

1.15

0.35

3.43

Ca2+

6.71

0.64

2.15

1.15

1.63

1.27

1.95

1.58

0.78

1.50

0.28

2.57

F−

0.24

0.03

0.12

0.06

0.07

0.07

0.09

0.06

0.04

0.09

0.01

0.14

NH4+

1.66

0.17

0.98

0.56

2.33

2.14

0.57

0.39

0.44

1.08

0.61

6.96

K+

1.07

0.10

0.46

0.26

0.73

0.62

0.25

0.18

0.19

0.43

0.10

1.10

Mg2+

0.44

0.04

0.07

0.03

0.06

0.05

0.03

0.01

—

—

0.01

0.03

NO3−

2.67

0.26

1.37

0.79

4.09

3.54

0.78

0.48

0.44

0.99

0.65

6.28

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