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The average elevation of the city is currently between 1 and 2 feet (0.30 and 0.61 m) below sea level, with some portions of the city as high as 20 feet (6 m) at the base of the river levee in Uptown and others as low as 7 feet (2 m) below sea level in the farthest reaches of Eastern New Orleans.
This is a list of places on land below mean sea level. Places artificially created such as tunnels, mines, basements, and dug holes, or places under water, or existing temporarily as a result of ebbing of sea tide etc., are not included. Places where seawater and rainwater is pumped away are included.
Today, a large portion of New Orleans is at or below local mean sea level and evidence suggests that portions of the city may be dropping in elevation due to subsidence. A 2007 study by Tulane and Xavier University suggested that "51% of the contiguous urbanized portions of Orleans, Jefferson, and St. Bernard parishes lie at or above sea level ...
Gert Town is one of the points of lowest elevation in New Orleans, currently ranging from 0 to −4 meters below sea level. [11] According to geographer Richard Campanella, "vertical migration" patterns, based on topographical elevation, appeared to have a specific effect from 1920 to 2000 in New Orleans. There is no evidence suggesting that ...
name = New Orleans Name used in the default map caption; image = Map New Orleans.jpg The default map image, without "Image:" or "File:" top = 30.1766 Latitude at top edge of map, in decimal degrees; bottom = 29.8603 Latitude at bottom edge of map, in decimal degrees; left = -90.1524 Longitude at left edge of map, in decimal degrees; right = -89 ...
The term above sea level generally refers to the height above mean sea level (AMSL). The term APSL means above present sea level, comparing sea levels in the past with the level today. Earth's radius at sea level is 6,378.137 km (3,963.191 mi) at the equator.
Current events; Random article ... 3.2 Creating new map definitions. Toggle the table of contents. Module: Location map/data/United States New Orleans East. Add ...
[citation needed] While the land is sinking, sea level has been rising. In the past 100 years, land subsidence and sea-level rise have recently added three feet [57] to all storm surges. That extra height puts affected areas under deeper water; it also means flooding from weaker storms and from the outer edges of powerful storms spreads over ...