Statistical Analysis of Trends in the Red River Over a 45 Year Period
Statistical Analysis of Trends in the Red River Over a 45 Year Period
Statistical Analysis of Trends in the Red River Over a 45 Year Period
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floodway<br />
dspc<br />
POINTS: RECORDED DATA<br />
LINE: STREAMFLOW−RELATED ANOMALY + TREND<br />
CONCENTRATION, AS BASE−10 LOGARITHM<br />
2 2.5 3 3.5<br />
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CONCENTRATION, AS BASE−10 LOGARITHM<br />
2 2.5 3 3.5<br />
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1975 1980 1985 1990 1995 2000 2005 2010<br />
1975 1980<br />
Y + TREND<br />
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floodway<br />
Figure dspc A.86: Specific Conductance concentrations (po<strong>in</strong>ts) and streamflow related<br />
anomaly + trend (l<strong>in</strong>e)<br />
CONCENTRATION, AS BASE−10 LOGARITHM<br />
CONCENTRATION, AS BASE−10 LOGARITHM<br />
2 2.5 3 3.5<br />
2 2.5 3 3.5<br />
POINTS: SEASONALLY ADJUSTED AND FLOW−ADJUSTED DATA<br />
LINE: TREND<br />
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POINTS: SEASONALLY ADJUSTED AND DETRENDED DATA<br />
LINE: ANNUAL STREAMFLOW−RELATED ANOMALY<br />
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RESIDUAL<br />
−4 −3 −2 −1 0 1 2 3 4<br />
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1975 1980 1985 1990 1995 2000 2005 2010<br />
ADJUSTED DATA<br />
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POINTS: PARMA MODEL RESIDUALS<br />
LINE: LOWESS SMOOTH WITH F= 0.5<br />
Figure A.87: Specific Conductance Flow Adjustments — Seasonally adjusted and<br />
de-trended data (po<strong>in</strong>ts) and annual streamflow-related anomaly (l<strong>in</strong>e).<br />
SIDUAL<br />
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