Losing Streams

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Losing Streams. Streams in karst areas sometimes lose large volumes of surface water through gradual loss into underground caverns. . Environmental Concerns with Karst. More Concerns. Cow manure in streams can lead directly to underground cavern systems. - PowerPoint PPT Presentation

Text of Losing Streams

Introduction to Virginias Karst

Losing StreamsStreams in karst areas sometimes lose large volumes of surface water through gradual loss into underground caverns.

Environmental Concerns with Karst

More ConcernsCow manure in streams can lead directly to underground cavern systems.Sinkholes were often used as garbage dumps that contaminate well water.Septic tanks can fall into a sinkhole and cause major pollution damage.

Speleothems: Organisms that are specially adapted to live in caves.Often do not have fully developed eyes. Why bother?Cant photosynthesize food (no sunlight). No photosynthetic organisms in caves.

Importance of Karst