Table 1 The mean tropospheric HCHO VCD and annual growth rates and the correlation coefficients between the measured and simulated HCHO data (R) in three regions and six cities

From: Unexpected HCHO transnational transport: influence on the temporal and spatial distribution of HCHO in Tibet from 2013 to 2021 based on satellite

Region and city name

Mean tropospheric HCHO VCD (1015 molec cm−2)

Annual growth rate of tropospheric HCHO VCD (1013 molec cm−2 yr−1)

R

RMSE (1015 molec cm−2)

Tibet

2.17

4.90

0.76

0.36

Western Region

1.79

2.53

0.73

0.47

Central Region

1.99

4.75

0.76

0.40

Xigaze

1.81

5.08

0.73

0.56

Lhasa

2.07

3.39

0.71

0.55

Shannan

1.89

3.57

0.66

0.61

Nagqu

2.54

4.03

0.52

0.70

Eastern Region

2.80

6.06

0.58

0.48

Nyingchi

2.90

10.51

0.53

0.64

Qamdo

2.17

7.64

0.61

0.48

  1. All correlation coefficient (R) is significant (p < 0.01).
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