Environmental Science
8 years ago

New method accurately estimates water flow in forested watersheds.

PROCEEDINGS OF HYDRAULIC ENGINEERING
SEPARATION OF INTERCEPTION EVAPORATION, TRANSPIRATION AND NON-OVERLAND-FLOW IN A FORESTED WATERSHED
Michio Hashino, Takao Tamura, Masahiro Tabuchi, Yoichi Fujikawa

Paper Summary

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Researchers developed a method to separate rainfall interception, evaporation, transpiration, and non-overland flow in forested watersheds. They used temperature, humidity, sunshine duration, and rainfall data to create a model. By analyzing storm data, they found that for a heavy storm with 391mm of rainfall, 18% was intercepted, 52% became overland flow, and 30% was non-surface flow.