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Saltwater intrusion is the movement of saline water into freshwater aquifers, which can lead to groundwater quality degradation, including drinking water sources, and other consequences. Saltwater intrusion can naturally occur in coastal aquifers, owing to the hydraulic connection between groundwater and seawater .
Massive barges brought over a million gallons of fresh water to Plaquemines Parish, Louisiana, on Monday as the community tackles the intrusion of saltwater that’s threatening drinking supplies.
The toxic, corrosive reason saltwater intrusion would be a catastrophe for New Orleans. Ella Nilsen, CNN. October 15, 2023 at 5:04 AM.
WHAT IS SALTWATER INTRUSION AND HOW DID IT HAPPEN? For months, residents in the southeast corner of Louisiana have relied on bottled water for drinking and cooking, with the water from the faucet ...
State officials have gone so far as to build levees across major saltwater in-flows in times of especially severe drought. [7] Saltwater intrusion is temporarily stemmed in spring months when snow melt and rain runoff increase water volumes carried by the San Joaquin and Sacramento rivers, fending off saltwater intrusion.
Overdrafting in coastal regions can lead to the reduction of water pressure in an aquifer, allowing saltwater intrusion. If saltwater contaminates a freshwater aquifer, that aquifer can no longer be used as a reliable source of freshwater for settlements and cities. Artificial recharge may return fresh water pressure to halt saltwater intrusion.
However, salt water intrusion kills many of these plants, thus solutions are needed to help protect planted vegetation. Another way to combat coastal erosion is to create seawalls and breakwaters . Seawalls are manmade barriers that are erected to keep seawater from reaching the coast.
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