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Forests Boost Snowpack: Study Reveals Water Benefits
9 Mar
Summary
- Forest thinning increases winter snowpack by 16% to 30%.
- Wildfire management also conserves water and replenishes reservoirs.
- North-facing slopes show stronger snowpack recovery effects.
New research from the University of Washington demonstrates that forest thinning, a method practiced by Indigenous peoples for centuries, enhances snowpack and conserves water.
The study, published in Frontiers in Forests and Global Change, found that ecological forest management can recover water lost due to overstocked forests and climate change. This results in an increase of 16% to 30% in winter snowpack, aiding aquatic ecosystems dependent on snowmelt.
Researchers observed that thinning treatments recovered approximately 12.3 acre-feet of snow-stored water per 100 acres on north-facing slopes. These findings are particularly relevant for regions like Utah and Washington, where snowmelt is critical for water supply, and wildfire risk is increasing due to climate change.
