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View of Plaquemines Parish at Empire and River

View of Plaquemines Parish at Empire and River. V 195 Reset. Survey of Route 23. GPS Baselines - Louisiana Hurricane Evacuation Route 23 Survey. Fort Jackson. VTDP Modeled Estimated Subsidence Rates (cm/yr). -0.8. -0.6. -0.7. -1.4. -1.4. -1.3. -1.4. Units = centimeters.

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View of Plaquemines Parish at Empire and River

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  1. View of Plaquemines Parish at Empire and River

  2. V 195 Reset

  3. Survey of Route 23

  4. GPS Baselines - Louisiana Hurricane Evacuation Route 23 Survey

  5. Fort Jackson

  6. VTDP Modeled Estimated Subsidence Rates(cm/yr) -0.8 -0.6 -0.7 -1.4 -1.4 -1.3 -1.4 Units = centimeters

  7. Estimated Amount of Subsidence Since 1984 Leveling (Based on VTDP Results) (-14.8) Units = centimeters (-10.6) (-13.1) (-26.4) (-26.0) (-24.1) (-26.9)

  8. Validation of VTDT Rates Louisiana Hurricane Evacuation Route 23 Survey

  9. Estimated Subsidence from Model minus Measured Subsidence from GPS Results Units = centimeters 0.1 -0.3 0.2 4.8* 7.3* 0.7 -0.6

  10. Estimated Subsidence from VTDP minus Measured Subsidence from GPS Results GPS Orthometric Heights (trend removed) minus VTDP Results 0.1 (-14.8) Units = centimeters (Estimated Amount of Subsidence Since 1984 Leveling) -0.3 (-10.6) 0.2 (-13.1) 4.8* (-26.4) 7.3* (-26.0) 0.7 (-24.1) -0.6 (-26.9)

  11. HEIGHT COMPARISONS1971 and 1984 Leveling2003 GPS-Derived (Geoid 99S), 2003 Predicted Heights (VTDP) and Published NAVD 88 D 194 R 194 A 152 C 195 EMPIRE AZ MK 2 MILAN 2 C 279

  12. Levee Observations - Fort Jackson Area Levee Control Point

  13. Levee Observations - Fort Jackson Area

  14. Levee Observations

  15. RTK Profiling of Highway

  16. Survey of Route 23

  17. Evacuation Routes Surveyed to Date

  18. Remote Sensing LIDAR merged with Color IR Photography LIDAR DSM

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