Table A3. Potential implications of flight direction on profile classification Downstream direction: Upstream direction: Actual Expected bias: stronger cooling Expected bias: weaker cooling trend in Profile trend in headwaters headwaters Shape No effect No effect; but if slope levels out, it may Asymptotic be misclassified as or linear uniform May be misclassified as No effect; but if slope levels out, it may Linear asymptotic be misclassified as uniform No effect No effect; we did not observe Parabolic asymptotic profiles where temperature increased in an upstream direction May be misclassified as No effect; water temperatures are unlikely Uniform asymptotic to be warmer upstream
Table A3. Potential implications of flight direction on profile classification Actual Profile Shape Downstream direction: Expected bias: stronger cooling trend in headwaters Upstream direction: Expected bias: weaker cooling trend in headwaters Asymptotic No effect No effect; but if slope levels out, it may be misclassified as linear or uniform Linear May be misclassified as asymptotic No effect; but if slope levels out, it may be misclassified as uniform Parabolic No effect No effect; we did not observe asymptotic profiles where temperature increased in an upstream direction Uniform May be misclassified as asymptotic No effect; water temperatures are unlikely to be warmer upstream
Fullerton_etal_2015_SI.docx