Correlated variables

Principal component Analyses (PCA) with logged flux (left) pCO2 (right), Hour and Day of year (DOY) as passive explanatory variables, and different variables as environmental variables
Positive correlations: flux
- Wind speed (a tendency for positive correlations) (R2 = 0.093, p= 0.014)
Negative correlations: flux
- O2 (R2 =0.422, p= 6.266*10-7 )
- Water temperature (R2 = 0.240, p= 3.29*10-4 )
- pH
- Air pressure
Positive correlations: pCO2
- Air pressure
Negative correlations: pCO2
- O2 (R2 = 0.510, p= 2.2*10-16 )
- Water temperature (R2 = 0.460, p= 2.2*10-16 )

Linear regressions of log flux and water temperature and log pCO2 and O2
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Last updated:
05/20/15