Which Is the Most Effective Layer in Helping to Prevent Evaporation from Large Bodies of Water?

Overview

Objectives/Goals The objective of this experiment is to determine which layer is the most effective in helping prevent evaporation in large bodies of water, like reservoirs. Methods/Materials 20 containers that were the same size and shape, 4 different layers (monolayer, monolayer 3x, shade balls prototype, and cover) were tested with different environmental factors (wind, air temperature, and water temperature). Measured evaporation by weight loss for 4 days. Results In this experiment, the physical pool cover was the most effective in preventing evaporation. The shade balls were also very effective. The monolayers were not very effective. Conclusions/Discussion In conclusion, the shade balls and physical covers were the most effective, but in a large reservoir, they may not be practical or cost-effective. The monolayers weren't very effective in this experiment, but perhaps improvements in the monolayers and how they could be applied could make them more effective.

Competition history

• CSEF 2016 Environmental Engineering · Entry J1030

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