File:Land loss in coastal Louisiana since 1932 NOAA2013.jpg

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Summary

Description
Français : Perte de sols marécageux en Lousiane en 80 ans, de 1932 à 2011 dans le Delta du Mississippi en raison de l'augmentation du niveau relatif de la mer, par effets combinés de la montée de la mer et de l'affaissement des sols, notamment du aux pompage du gaz et du pétrole sous-jacents et à l'endiguement du Mississippi et aux nombreux canaux de drainage ou de circulation creusés dans les marais depuis un siècle. 25 à 35 miles au carré de surface ont été perdus chaque année durant 80 ans.
source : Underwater: Land loss in coastal Louisiana since 1932 (click under the picture to see the two maps), on line 2013-04-04
English: Every year, 25-35 square miles of land off the coast of Louisiana—an area larger than Manhattan–disappears into the water due to a combination of subsidence (soil settling) and global sea level rise. The maps at right show how much land has been lost to the Gulf of Mexico in the past 80 year. The second image shows the state of the coast in 1932. The image combines the 2011 satellite image with a U.S. Geological Survey map in which land areas that were present in 1932 are light gray. Since the 1930s, (source : NOAA ; Underwater: Land loss in coastal Louisiana since 1932 (click under the picture to see the two maps), on line 2013-04-04
Date
Source NOAA : Underwater: Land loss in coastal Louisiana since 1932 (click under the picture to see the two maps), on line 2013-04-04
Author NOAA

seel also : Underwater: Land loss in coastal Louisiana since 1932 (2013-04-04)

Licensing

Public domain
This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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30 August 2014

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Date/TimeThumbnailDimensionsUserComment
current10:30, 30 August 2014Thumbnail for version as of 10:30, 30 August 2014776 × 1,006 (289 KB)LamiotUser created page with UploadWizard
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