|
Station
|
Significance level of COD concentration
|
Significance level of NH3-N concentration
|
Significance level of Sen’s slope of COD
|
Significance level of Sen’s slope of NH3-N
|
|---|
|
Dry season
|
Wet season
|
Dry season
|
Wet season
|
Dry season
|
Wet season
|
Dry season
|
Wet season
|
|---|
|
Chenqiao
|
0.33
|
0.29
|
0.35
|
0.88
|
0.90
|
0.96
|
0.58
|
0.99
|
|
Huangfuzhai
|
0.30
|
0.23
|
0.71
|
0.97
|
0.62
|
0.67
|
0.91
|
0.90
|
|
Baisha
|
0.24
|
0.26
|
0.23
|
0.39
|
0.58
|
0.49
|
0.46
|
0.42
|
|
Yangzhaizhong
|
0.86
|
0.72
|
0.60
|
0.40
|
0.60
|
0.45
|
0.48
|
0.44
|
|
Yewu
|
0.06 (LH)
|
0.09 (LH)
|
0.17
|
0.29
|
0.67
|
0.60
|
0.33
|
0.28
|
|
Mawan
|
0.38
|
0.42
|
0.23
|
0.23
|
0.97
|
0.92
|
0.28
|
0.23
|
|
Luodengqiao
|
0.24
|
0.26
|
0.23
|
0.39
|
0.49
|
0.38
|
0.35
|
0.51
|
|
Lifen
|
0.87
|
0.91
|
0.84
|
0.81
|
0.58
|
0.70
|
0.80
|
0.83
|
|
Gaocunqiao
|
0.19
|
0.21
|
0.92
|
0.99
|
0.31
|
0.29
|
0.51
|
0.80
|
|
Taochengzha
|
0.48
|
0.56
|
0.93
|
0.86
|
0.99
|
0.55
|
0.89
|
0.97
|
|
WuLiuzha
|
0.72
|
0.70
|
0.09 (LH)
|
0.16
|
0.77
|
0.87
|
0.32
|
0.36
|
|
Zhifang
|
0.81
|
0.86
|
0.99
|
0.92
|
0.44
|
0.55
|
0.63
|
0.62
|
|
Dawangzhuang
|
0.79
|
0.95
|
0.06 (HH)
|
0.67
|
0.71
|
0.56
|
0.05 (LL)
|
0.21
|
|
Baidukou
|
0.88
|
0.91
|
0.71
|
0.86
|
0.91
|
0.89
|
0.64
|
0.67
|
|
Chengwan
|
0.53
|
0.41
|
0.41
|
0.78
|
0.84
|
0.85
|
0.40
|
0.57
|
|
Qianxiangwan
|
0.33
|
0.40
|
0.03 (HH)
|
0.00 (HH)
|
0.00 (LL)
|
0.72
|
0.00 (LL)
|
0.02 (LL)
|
|
Zhidian
|
0.87
|
0.91
|
0.84
|
0.81
|
0.58
|
0.70
|
0.80
|
0.83
|
- A statistic in italic mean the station is the center of a cluster, or an outlier, for water quality statistics with significance level less than 0.1. LH, HH and LL represent “low–high”, “high–high” and “low–low” spatial pattern
