Climate Change Detection and Annual Extreme Temperature Analysis of the Amur River Basin
Table 4
Climate change detection and descriptive statistics of the annual minimum temperature series.
Meteorological station
Change point
Prechange
Postchange
Mean value ()
Standard deviation ()
Mean value ()
Standard deviation ()
30673
1975
−39.07
3.04
−37.53
3.02
30758
None
−35.79
2.57
30777
1966
−39.51
3.08
−37.61
3.02
30859
None
−32.71
3.05
30879
None
−35.38
2.88
30965
None
−35.67
3.35
30954
None
−30.45
3.05
30949
None
−30.24
3.02
50527
1972
−35.66
2.21
−33.33
2.99
30695
1982
−37.78
2.79
−36.93
2.66
31253
1988
−41.12
2.23
−38.19
3.01
31371
1975
−39.54
2.36
−37.6
3.53
31388
1983
−40.42
2.42
−38.37
2.42
31443
1981
−39.29
3.10
−37.01
2.67
50353
1982
−37.65
2.88
−34.22
2.92
31329
1981
−41.18
2.35
−39.72
2.27
31416
1983
−38.72
2.71
−36.52
2.6
31532
1983
−41.38
2.17
−39.11
2.16
31538
1981
−35.2
2.39
−33.79
2.01
31594
1988
−35.49
2.23
−33.88
2.65
31707
None
−27.15
2.61
50564
1988
−34.18
2.52
−31.45
2.75
31369
None
−32.02
2.97
31439
1999
−34.21
2.96
−31.66
1.69
31562
None
−35.26
2.39
31845
None
−31.75
2.09
31873
1990
−27.48
1.97
−25.79
2.26
31915
None
−22.27
2.22
31931
None
−27.39
2.73
50978
1989
−24.26
2.09
−22.73
2.41
50557
1971
−34.41
2.57
−32.3
3.21
50593
1991
−27.16
3.65
−24.08
2.96
50632
1982
−29.47
2.20
−28.15
2.39
50658
1971
−30.58
2.10
−28.61
2.78
50727
1979
−36.19
2.48
−34.4
2.43
50745
1988
−26.37
2.52
−24.79
3.39
50756
1990
−30.23
2.39
−28.05
2.65
50788
1988
−26.97
2.07
−26.05
2.69
50854
1987
−27.54
2.53
−25.06
3.00
50949
1980
−25.17
2.36
−23.31
3.30
50963
1988
−28.57
2.17
−27.34
2.97
50968
1994
−28.72
2.35
−26.33
2.92
54094
1980
−25.92
2.45
−23.48
2.59
54161
1982
−24.84
2.38
−23.15
2.82
The “None” indicates no change point was detected by M-K test at 0.05 confidence level, and the descriptive statistics of the entire annual minimum temperature series are filled in the blank of the postchange subseries.