Climate Change Detection and Annual Extreme Temperature Analysis of the Amur River Basin
Table 2
Climate change detection and descriptive statistics of the annual maximum temperature series.
Meteorological station
Change point
Prechange
Postchange
Mean value (°C)
Standard deviation (°C)
Mean value (°C)
Standard deviation (°C)
30673
1998
21.18
1.47
22.50
1.20
30758
1994
23.19
1.71
25.26
1.80
30777
1997
23.69
1.66
25.28
1.70
30859
1998
23.00
1.73
24.83
1.88
30879
2000
23.10
1.63
24.51
2.03
30965
1997
25.08
1.89
27.11
2.29
30954
1997
22.99
1.49
25.67
2.04
30949
1997
21.85
1.39
24.24
2.11
50527
1988
24.89
1.69
26.46
1.80
30695
1998
23.80
1.62
25.07
1.34
31253
1998
23.04
1.31
24.43
1.46
31371
2000
24.58
1.54
26.27
1.69
31388
1996
23.92
1.29
25.01
1.15
31443
1998
24.49
1.23
25.96
1.53
50353
1993
25.53
1.50
27.53
1.95
31329
1998
21.43
1.02
23.09
1.19
31416
1997
24.84
1.50
25.68
1.88
31532
1994
23.17
1.10
24.95
1.38
31538
1997
23.49
1.30
24.92
1.64
31594
1997
25.48
1.10
26.85
1.08
31707
1994
25.66
1.26
26.51
1.34
50564
1994
24.43
1.16
26.46
1.63
31369
None
22.05
1.62
31439
None
22.93
1.52
31562
None
24.72
1.45
31845
None
25.08
1.32
31873
None
25.70
1.25
31915
None
25.85
1.42
31931
None
26.13
1.48
50978
None
27.03
1.41
50557
1988
25.61
1.45
27.35
1.68
50593
None
27.75
1.27
50632
1992
22.60
1.41
23.64
1.62
50658
1997
26.28
1.13
27.82
1.49
50727
1997
22.82
1.35
24.86
1.71
50745
1996
28.00
1.27
29.58
1.66
50756
1999
26.03
1.29
27.40
1.38
50788
1974
26.47
1.19
27.54
1.53
50854
None
28.02
1.38
50949
1997
27.77
1.08
28.54
1.40
50963
None
26.57
1.15
50968
1995
25.86
1.03
26.77
1.17
54094
None
27.14
1.21
54161
None
27.38
1.21
The “None” indicates no change point was detected by M-K test at 0.05 confidence level, and the descriptive statistics of the whole annual maximum temperature series are filled in the blank of the postchange subseries.
