Statistical Analysis of Trends in the Red River Over a 45 Year Period

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opaque laboratory bottle on the end of a 3 m reaching pole. Both the Nalgene and laboratory bottles are rinsed three times prior to filling, and are used to transfer water to the sample bottles. Sample bottles are filled and then submitted to Cantest Laboratories for analysis of nutrients, metals, conductivity, total dissolved solids, pesticides, dissolved oxygen, major ions and pH. Prior to April 2001, all water samples were submitted to EnviroTest Laboratories for analysis of these parameters (Hughes C., 2009). All data analyses were done as per standard methods for the examination of water (Eaton et al., 2005). Currently the provincial water quality section does not assess dissolved calcium, dissolved sodium, dissolved potassium or dissolved magnesium. 10
Table 2.3: Sample size of stations and constituents used for water quality trend analysis Station 1960– 1960– 1966– 1971– 1976– 1981– 1986– 1991– 1996– 2001– # 2007 1965 1970 1975 1980 1985 1990 1995 2000 2007 Calcium, dissolved (mg/l) 1. 912 232 146 68 70 51 70 61 72 142 2. 4 0 0 0 0 0 0 0 4 0 3. 9 0 0 0 0 0 0 0 9 0 Sodium, dissolved (mg/l) 1. 900 232 143 68 71 41 70 61 72 142 2. 4 0 0 0 0 0 0 0 4 0 3. 9 0 0 0 0 0 0 0 9 0 Potassium, dissolved (mg/l) 1. 900 224 141 68 71 51 70 61 72 142 2. 4 0 0 0 0 0 0 0 4 0 3. 9 0 0 0 0 0 0 0 9 0 Magnesium, dissolved (mg/l) 1. 727 222 27 12 71 50 70 61 72 142 2. 4 0 0 0 0 0 0 0 4 0 3. 9 0 0 0 0 0 0 0 9 0 Sulphate, dissolved (mg/l) 1. 899 224 135 67 71 58 70 60 72 142 2. 42 0 0 0 0 0 0 0 15 27 3. 140 0 0 0 0 0 0 0 55 85 Chloride, dissolved (mg/l) 1. 919 239 146 67 66 57 70 60 72 142 2. 42 0 0 0 0 0 0 1 14 27 3. 140 0 0 0 0 0 0 7 48 85 Total dissolved solids (mg/l) 1. 376 0 0 0 12 33 71 62 64 134 2. 74 0 0 0 0 2 60 12 0 0 3. 159 0 6 54 24 2 60 13 0 0 Specific Conductance (USIE/cm 2 ) 1. 959 234 146 68 70 54 71 92 80 144 2. 247 0 0 0 33 36 56 62 57 3 3. 270 0 0 0 33 36 56 63 79 3 11
Page 1 and 2: Statistical Analysis of Trends in t
Page 3 and 4: 5 Comparison of Non-Parametric and
Page 5 and 6: List of Figures 1.1 The Red River B
Page 7 and 8: A.8 Boxplot of Specific Conductance
Page 9 and 10: A.41 Dissolved Calcium Flow Adjustm
Page 11 and 12: A.67 Dissolved Sulphate Flow Adjust
Page 13 and 14: A.93 Specific Conductance Flow Adju
Page 15 and 16: Mann-Kendall or Seasonal Mann-Kenda
Page 17 and 18: Using ancillary data, data obtained
Page 19 and 20: Chapter 1 Introduction The Red Rive
Page 21 and 22: oped by Aldo Vecchia (United States
Page 23 and 24: Chapter 2 Streamflow Data and Conce
Page 25 and 26: Table 2.1: Selected characteristics
Page 27: of testing for seasonality. If it y
Page 31 and 32: Figure 3.1: Mean monthly streamflow
Page 33 and 34: v.1.56. CAS# n/a WQStat Plus TM BOX
Page 35 and 36: concentrations of major anions and
Page 37 and 38: Table 3.3: Kruskal-Wallis test for
Page 39 and 40: The N ′ individual slope estimate
Page 41 and 42: As most parameters consistently exh
Page 43 and 44: Table 3.4: Seasonal Mann-Kendall Te
Page 45 and 46: Chapter 4 Parametric Methods used f
Page 47 and 48: log denotes the base-10 logarithm;
Page 49 and 50: Figure 4.1: Daily Streamflow at Eme
Page 51 and 52: Figures 4.3-4.8 depict the recorded
Page 53 and 54: 1 1 CONCENTR CONCENTR 1955 1960 196
Page 55 and 56: Table 4.1: Fitted Single Linear Tre
Page 57 and 58: Chapter 5 Comparison of Non-Paramet
Page 59 and 60: 5.2 Future Recommendations First an
Page 61 and 62: • Uses full power of the maximum
Page 63 and 64: Hamed, Khaled.,; 2008, Trend Detect
Page 65 and 66: Appendix A Figures A.1 Boxplots of
Page 67 and 68: v.1.56. CAS# n/a WQStat Plus TM BOX
Page 69 and 70: Figure A.7: Boxplot of Total Dissol
Page 71 and 72: v.1.56. CAS# n/a WQStat Plus BOX &
Page 73 and 74: Figure A.13: Seasonality pattern of
Page 75 and 76: A.3 Non-Parametric Trend Results Th
Page 77 and 78: Figure A.19: Long term temporal tre
Page 79 and 80:
Figure A.23: Long term temporal tre
Page 81 and 82:
Page 83 and 84:
Page 85 and 86:
A.4 Parametric Trend Results The fo
Page 87 and 88:
Figure A.31: Dissolved Sodium at Em
Page 89 and 90:
Figure A.33: Dissolved Magnesium at
Page 91 and 92:
Figure A.35: Dissolved Chloride at
Page 93 and 94:
Figure A.37: Specific Conductance a
Page 95 and 96:
05102500 RED RIVER OF THE NORTH AT
Page 97 and 98:
1 1 CONCENTR CONCENTR 500 RED RIVER
Page 99 and 100:
CONCENTR 500 RED RIVER OF THE NORTH
Page 101 and 102:
Page 103 and 104:
CONCENTR ● CONCENTR 0 0 1955 1960
Page 105 and 106:
CONCENTR CONCENTR 00 RED RIVER OF T
Page 107 and 108:
Page 109 and 110:
CONCENTR 1 1.5 ! ! ! ! !! ! ! ! ! !
Page 111 and 112:
CONCENTR 0.5 1 ! ! ! ! !! ! !! ! !
Page 113 and 114:
Page 115 and 116:
CONCENTR ! ! ! ! ! ! ! ! ! ! ! ! !
Page 117 and 118:
CONCENTR ! CONCENTR 2 2 1955 1960 1
Page 119 and 120:
A.5.2 South Floodway at St. Norbert
Page 121 and 122:
CONCENT ! CONCENT 2 2 floodway dspc
Page 123 and 124:
A.5.3 Selkirk Monitoring Station 10
Page 125 and 126:
CONCENT ! CONCENT 2 2 selkirk dspc
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Statistical Analysis of Trends in the Red River Over a 45 Year Period

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