EDWARDS MTYH #1: “The aquifer filters water” Muddy water goes in the aquifer and clean water comes out. How can you say the aquifer does not filter?

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Presentation transcript:

EDWARDS MTYH #1: “The aquifer filters water” Muddy water goes in the aquifer and clean water comes out. How can you say the aquifer does not filter?

FILTRATION? If I put muddy water in a glass and put the glass in a dark closet for 3 days and then remove the glass has that glass filtered? Is the water clearer? Yes. Was it filtered? No.

KARST AQUIFER AS A FILTER Does the Aquifer filter? NO! Suspended solids DO SETTLE OUT, but they are NOT filtered out! No size exclusion/mechanical filtration occurs Garden hose analogy It does NOT filter microorganisms, chemical pollutants Is this conduit filtering?