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On the Gulf, southern Louisiana is a hot spot for sinking land, as is southeast Texas, including the areas around Galveston, Freeport and Corpus Christi. Why are coastal cities sinking?
Example of land loss in coastal Louisiana between 1932 and 2011; detail of Port Fourchon area. Coastal erosion in Louisiana is the process of steady depletion of wetlands along the state's coastline in marshes, swamps, and barrier islands, particularly affecting the alluvial basin surrounding the mouth of the Mississippi River.
Groundwater-related subsidence is the subsidence (or the sinking) of land resulting from unsustainable groundwater extraction.It is a growing problem in the developing world as cities increase in population and water use, without adequate pumping regulation and enforcement.
The Central Valley in California subsides when groundwater is pumped faster than underground aquifers can be recharged. The Central Valley has been sinking at differing rates since the 1920s and is estimated to have sunk up to 28 feet. [1] During drought years, the valley is prone to accelerated subsidence due to groundwater extraction.
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California’s San Joaquin Valley may be sinking nearly an inch per year due to the over-pumping of groundwater supplies, with resource extraction outpacing natural recharge, a new study has found.
Land loss in coastal Louisiana 1932 vs 2011 Population density and low elevation coastal zones in Louisiana Aftermath of Hurricane Laura, Lake Charles. According to the EPA: "Rising sea level is likely to accelerate coastal erosion caused today by sinking land and human activities. The sediment washing down the Mississippi River created the ...
Bayou Corne is located in Assumption Parish, the highlighted region of southern Louisiana. The Napoleonville Dome lies beneath Assumption Parish, and was characterized by 53 distinct caverns, six of which were operated by Texas Brine. [9] One of these, Oxy3, owned by Occidental Petroleum, was more than a mile below the surface.