New Zealand study maps how rising seas are pushing salt into coastal freshwater aquifers
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ByRaquel BrandaoEarth.com staff writer
Summary
A new national study in New Zealand has mapped how rising seas are pushing saltwater into coastal freshwater aquifers through seawater intrusion. The boundary between fresh and salty groundwater is thinner than most people realize, and the area affected by saltwater contamination is expanding each decade as sea levels continue to climb. The study provides detailed mapping of where this line is shifting, highlighting a quiet but significant threat to coastal freshwater supplies.
Source
bskyNew Zealand study maps how rising seas are pushing salt into coastal freshwater aquifersearth.comKey quotes
· 3 pulledCoastal groundwater is something most people never think about.
The boundary between fresh and salty water underground is thinner than most people imagine.
A new national study has mapped exactly where that line is starting to slip, and the territory it covers grows wider every decade.
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