You're confusing surface area with surface area to volume ratio. Furthermore the fact that dams increase evaporation though this mechanism is an easily verifia

You're confusing surface area with surface area to volume ratio. Furthermore the fact that dams increase evaporation though this mechanism is an easily verifiable scientific fact. https://riverresourcehub.org/resources/how-dams-affect-water-supply-1727/ https://riverresourcehub.org/resources/how-dams-affect-water...