Tannic Acid Water

Tannic Acid Water

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Credit: Michael P. Gadomski/SCIENCE PHOTO LIBRARY

Caption: A streamlet in the Stillwater State Forest Natural Area in Pennsylvania's Pocono Mountains displays the distinctive yellow tea colour of tannic acid from the oak leaves and hemlock needles in the water.

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Keywords: acidified water, allegheny mountains, american, brook, creek, forest, hemlock forest, landscape, mid-atlantic, mixed forest, natural area, north america, oak, oak forest, pennsylvania, pennsylvania state forests, pocono, pocono mountains, quercus, riparian, spring, stillwater state forest natural area, stream, tannic acid, tannin, tannins, tea-colour, tsuga, united states, water, wide angle, woodland, yellow

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