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Comment: 25:54 - 26:51 (00:57)
Source: Annenberg/CPB Resources - Earth Revealed - 21. Groundwater
Keywords: "James Sadd", groundwater, aquifer, hydrogeologist, prediction, subsidence, pollution, hydrogeology, resource

Our transcription: But the groundwater picture is not as bleak as it may seem.
In recent years, earth scientists have gained a much clearer view of how aquifers are maintained and the way that water behaves underground.
This knowledge is being used to locate new aquifers and to develop strategies for dealing with groundwater-related problems.
Some aquifers are being recharged artificially.
This protects water quality and prevents subsidence while assuring communities of adequate water supply.
Hydrogeologists, using computer models, are working to track and predict the movement of groundwater contamination and are actively involved in developing methods for isolating and removing the contaminants from the groundwater directly.
Although the golden age of hydrogeology is well underway, there's still much work to be done.
Hydrogeologists will continue to play a critical role in maintaining groundwater resources, not only for ourselves, but for future generations.

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