Flooding Coastal and River Flooding in Louisiana What

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Flooding Coastal and River Flooding in Louisiana

Flooding Coastal and River Flooding in Louisiana

What issues with flooding have you/your tribe experienced?

What issues with flooding have you/your tribe experienced?

Double in LA River Coastal http: //news. yahoo. com/floods-sweep-northwest-louisianadamaging-hundreds-structures-212831805. html http: //www. cnn. com/2012/09/04/us/severe-weather/

Double in LA River Coastal http: //news. yahoo. com/floods-sweep-northwest-louisianadamaging-hundreds-structures-212831805. html http: //www. cnn. com/2012/09/04/us/severe-weather/

River Flooding • Caused by: • Upstream rains/seasonal melting (spring) • Worsened by management

River Flooding • Caused by: • Upstream rains/seasonal melting (spring) • Worsened by management issues

Historical Floods 1927 100 year flood Prompted massive overhaul of river infrastructure http: //www.

Historical Floods 1927 100 year flood Prompted massive overhaul of river infrastructure http: //www. archives. gov/ http: //www. louisianafolklife. org/LT/Articles_Essays/D elta. Depression. html#tab 1 Courtesy of Betty Jo Harris

Recent Floods USGS 2011 & 2015/16 Caused by heavy upstream rainfall

Recent Floods USGS 2011 & 2015/16 Caused by heavy upstream rainfall

Coastal Flooding • Caused by: • Barrier island loss • Extreme weather events •

Coastal Flooding • Caused by: • Barrier island loss • Extreme weather events • Management issues

Hurricanes & Tropical Storms http: //www. nhc. noaa. gov/climo/

Hurricanes & Tropical Storms http: //www. nhc. noaa. gov/climo/

Examples Katrina 2005 Isaac 2012 http: //insights. globalspec. com/article/1729/hardening-theinfrastructure-flood-management-controls http: //www. cnn. com/2012/09/04/us/severe-weather/

Examples Katrina 2005 Isaac 2012 http: //insights. globalspec. com/article/1729/hardening-theinfrastructure-flood-management-controls http: //www. cnn. com/2012/09/04/us/severe-weather/

River Control Structures USGS https: //www. youtube. com/watch? v=H 8 bx 6 y. G

River Control Structures USGS https: //www. youtube. com/watch? v=H 8 bx 6 y. G 4 Fzg https: //www. youtube. com/watch? v=DDLJ 7 Z 8 q. Svo https: //www. youtube. com/watch? v=6 m_iwd 3 vp. AQ USGS

Coastal Walls New Orleans surge barrier Coastal levee plan http: //coastallinesofdefense. org/linesofdefensemaps. html Photo

Coastal Walls New Orleans surge barrier Coastal levee plan http: //coastallinesofdefense. org/linesofdefensemaps. html Photo by Nick Silbert, courtesy of the Army Corps of Engineers.

Housing USGS

Housing USGS

THE FLOODING HAZARD What is Flooding Flooding canTHE FLOODING HAZARD What is Flooding Flooding can
Hurricanes Louisiana weather Louisiana Weather Louisiana is knownHurricanes Louisiana weather Louisiana Weather Louisiana is known
Coastal management 1 Coastal defence management against floodingCoastal management 1 Coastal defence management against flooding
Coastal Erosion and Deposition Coastal Erosion Coastal erosionCoastal Erosion and Deposition Coastal Erosion Coastal erosion
COASTAL ECOSYSTEMS COASTAL ZONE AND CLASSIFICATION A coastalCOASTAL ECOSYSTEMS COASTAL ZONE AND CLASSIFICATION A coastal
THE COASTAL PLAINS Coastal Plains Coastal plains areTHE COASTAL PLAINS Coastal Plains Coastal plains are
THE COASTAL PLAINS THE COASTAL PLAINS Coastal plainsTHE COASTAL PLAINS THE COASTAL PLAINS Coastal plains
COASTAL MANAGEMENT GEOGRAPHY What is Coastal Management CoastalCOASTAL MANAGEMENT GEOGRAPHY What is Coastal Management Coastal
COASTAL ENVIRONMENTS 1 background waves coastal erosion coastalCOASTAL ENVIRONMENTS 1 background waves coastal erosion coastal
Rivers and Flooding Rivers and Flooding Drainage basinRivers and Flooding Rivers and Flooding Drainage basin
River Ribble and River Brun River Restoration AuditRiver Ribble and River Brun River Restoration Audit