NASA report finds New Orleans, surrounding area sinking faster t - FOX 8 WVUE New Orleans News, Weather, Sports, Social

NASA report finds New Orleans, surrounding area sinking faster than thought

Louisiana Wildlife Federation calls on Justice Dept. & Corps of Engineers not to delay restoration with appeals (Photo Source: John Snell) Louisiana Wildlife Federation calls on Justice Dept. & Corps of Engineers not to delay restoration with appeals (Photo Source: John Snell)
NEW ORLEANS (WVUE) -

A new report from NASA and a collaboration between LSU and a California university says New Orleans is sinking at a higher rate than previously believed.

The study, conducted by Scientists at NASA’s Jet Propulsion Laboratory, or JPL, in Pasadena, Calif.; UCLA; and the Center for GeoInformatics at LSU, blames the subsidence on a combination of “natural geologic and human-induced processes.”

Read the full study here.

The study used NASA airborne radar. The rates of sinking “were generally consistent with, but somewhat higher than, previous studies.”

Those studies were conducted using a different type radar data. The findings cover the period between June 2009 and July 2012.

The highest rates of sinking were located upriver along the Mississippi River around industrial areas in Norco and in Michoud. Places in those areas sunk up to two inches a year.

The team also observed “notable subsidence” in the Upper and Lower 9th Ward and in Metairie.

At the Bonnet Carré Spillway, research showed up to 1.6 inches per year of sinking behind the structure and up to 1.6 inches, or 40 millimeters, a year at nearby industrial facilities.

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