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Open-File Report 2006-1274 - Original Link

Land Area Changes in Coastal Louisiana After the 2005 Hurricanes: A Series of Three Maps

By John A. Barras


This report includes three posters with analyses of net land area changes in coastal Louisiana after the 2005 hurricanes (Katrina and Rita). The first poster presents a basic analysis of net changes from 2004 to 2005; the second presents net changes within marsh communities from 2004 to 2005; and the third presents net changes from 2004 to 2005 within the historical perspective of change in coastal Louisiana from 1956 to 2004. The purpose of this analysis was to provide preliminary information on land area changes shortly after Hurricanes Katrina and Rita and to serve as a regional baseline for monitoring wetland recovery following the 2005 hurricane season. Estimation of permanent losses cannot be made until several growing seasons have passed and the transitory impacts of the hurricanes are minimized, but this preliminary analysis indicates an approximate 217-mi2 (562.03-km2) decrease in land/increase in water across coastal Louisiana.

Suggested citation:
Barras, John A., 2006, Land area change in coastal Louisiana after the 2005 hurricanes—a series of three maps: U.S. Geological Survey Open-File Report 06-1274.

These posters are presented in high-resolution PDF format that is not Section 508 compliant. For ease in accessibility, viewing, and printing, each poster is accompanied by PDF files that contain the corresponding methodology, tables, and figures.

Version 1.0

Posted October 2006


Overview Poster PDF (7 MB)
Marsh Communities Poster PDF (15 MB)
Historical Poster PDF (16 MB)

 


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