ArticleLangmuir : the ACS journal of surfaces and colloids2026
Underground Water Extraction Using Synthetic Trees.
Article in Langmuir : the ACS journal of surfaces and colloids, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
Unlike traditional well pumping from bulk reservoirs, trees can extract and elevate water spontaneously from moist soil. Here, we demonstrate transpiration-driven underground water harvesting by burying the bottom of a synthetic tree in water-saturated soil while encasing the nanoporous leaf within a condensing still. Evaporation from the leaf facilitates the continual transport of water up the tree's tubes, with a cold plate on the condensing still converting the vapor back to liquid. A hydraulic model balances the negative Laplace pressure generated within the leaf against the hydrostatic pressure and viscous losses in the leaf and soil. We show that the evaporation-limited transpiration rate, and by extension the water harvesting rate, can be directly tuned through controlled heat inputs.
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