Ogallala Recharge with Stormwater Collected in Playa Lakesby Lloyd V. Urban, Texas Tech Univ, United States,
B. J. Claborn, Texas Tech Univ, United States,
Abstract: Runoff occurring from this precipitation collects in playa lakes. The bottoms of these lakes are comprised of clays and silts which prevent or retard infiltration in subsequent recharge. Researchers at Texas Tech University have demonstrated a potentially successful solution to the problem through the use of filter underdrains incorporating geotextile fabric materials. By burying the filters in shallow, sand-filled trenches in the lake bottom and covering the trenches with a thin layer of natural clay, recharge water in significant quantities and of generally high quality has been obtained. This paper details the experiences at Texas Tech in developing the system and testing various designs at a site near Shallowater, Texas.
Subject Headings: Lakes | Stormwater management | Filters | Clays | Fabrics | Infiltration | Runoff | Geosynthetics | Drainage | North America | Texas | United States
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