Saltwater intrusion is becoming an increasingly serious problem in the Mississippi River, putting livelihoods at risk. The intrusion occurs when saltwater from the Gulf of Mexico pushes further upstream, contaminating freshwater sources. This can have devastating effects on agriculture, drinking water supplies, and aquatic ecosystems.
Researchers point to several contributing factors. A prolonged drought across the Mississippi River Basin has reduced the river's flow, making it easier for saltwater to move upstream. Rising sea levels, driven by climate change, also contribute to the problem by pushing saltwater further inland.
Severe storms, which are becoming more frequent and intense, can temporarily push saltwater further up the river. Dredging activities, intended to maintain navigable channels, can also deepen the river and allow saltwater to penetrate further inland. The combined effects of these factors are creating a growing challenge for communities and industries that depend on the Mississippi River's freshwater.
Saltwater Intrusion Threatens Mississippi River Livelihoods
A growing threat to the Mississippi River is saltwater intrusion, impacting communities and industries that rely on its freshwater. Scientists attribute the increasing problem to a combination of factors, including ongoing drought conditions, rising sea levels, and the effects of severe storms. Dredging activities along the river may also contribute to the problem, further exacerbating the reach of saltwater inland and threatening vital ecosystems.
Source: Read the original article at CBS