A Comprehensive Analysis of the Changes in Precipitation Patterns over Beijing during 1960–2012
Table 5
Results of change-point detection for different stations based on the Pettitt test.
Stations
Entire series
Change point
Prior series
Posterior series
Ratio of change1
FS
568.6
1996
0.229
599.0
496.4
−0.17
GBD
570.2
1998
0.494
591.5
509.3
−0.13
GT
374.4
1993
1.553
369.6
383.8
0.03
HR
641.7
1998
0.190
678.4
549.8
−0.19
HC
526.0
1998
0.773
546.3
467.9
−0.14
HHC
593.7
1998
0.465
617.9
524.6
−0.14
MJQ
496.8
1998
0.373
520.9
426.6
−0.17
MY
641.1
1998
0.672
675.1
543.9
−0.19
NGZ
437.1
2006
0.604
422.6
550.2
0.26
PG
511.3
1997
0.060
541.9
431.7
−0.20
QJD
429.7
1992
0.571
440.1
404.8
−0.07
SJD
577.1
1996
0.921
597.6
527.7
−0.11
SH
539.1
1972
0.841
498.6
553.2
0.09
SY
564.3
1998
0.502
598.4
466.9
−0.21
SLZ
586.0
1998
0.344
612.0
511.6
−0.16
SZ
580.8
1998
0.773
602.4
522.1
−0.13
THK
464.0
1998
0.295
484.6
404.9
−0.15
TYK
604.6
1998
0.130
642.1
497.3
−0.22
TZ
584.1
1998
0.487
611.0
507.1
−0.16
WJY
550.0
1979
0.338
622.1
504.1
−0.20
XYL
612.0
1996
0.183
643.8
537.9
−0.16
XH
628.9
1975
1.046
573.6
654.2
0.12
YQ
449.0
1973
0.672
492.4
433.2
−0.12
YC
467.4
1979
0.213
513.8
438.8
−0.14
YAM
565.3
1998
0.285
591.4
490.7
−0.16
YLZ
527.3
1998
0.587
547.6
469.2
−0.14
ZT
448.6
1996
0.094
471.8
393.8
−0.15
ZF
598.2
1996
1.282
614.0
564.6
−0.08
ZJF
618.5
1975
0.451
561.5
644.7
0.12
ZLY
652.4
1998
0.176
689.4
546.9
−0.20
Note.1The ratio of change is equal to the differences of mean precipitation between prior series and posterior series dividing the mean precipitation at the entire series. Significant abrupt change at a level of α = 0.10.
