Post on 15-Jan-2016
description
transcript
Comprehensive Hurricane Comprehensive Hurricane ProtectionProtection
Presented by: South Presented by: South Lafourche Levee DistrictLafourche Levee District
Ancient & ModernCourses of the
Mississippi River
Ancient & ModernCourses of the
Mississippi River
AlexandriaAlexandria
LafayetteLafayette
BatonRougeBatonRouge
New OrleansNew OrleansLake CharlesLake Charles
Cocodrie 2600 B.C. - 1600 B.C.Cocodrie 2600 B.C. - 1600 B.C.
Teche 1900 B.C. - 700 B.C.Teche 1900 B.C. - 700 B.C.
St. Bernard 800 B.C. - 300 B.C.St. Bernard 800 B.C. - 300 B.C.
Lafourche 65 A.D. - 1300 A.D.Lafourche 65 A.D. - 1300 A.D.
Modern 900 A.D. - PRESENTModern 900 A.D. - PRESENT
Major Mississippi River Deltaic Lobes
City of City of New Orleans New Orleans
Ground Ground ElevationsElevations
From Canal St. From Canal St. at Mississippi at Mississippi
River to the River to the Lakefront Lakefront
at U.N.O.at U.N.O.NEWNEW
ORLEANSORLEANS
LAKELAKEPONTCHARTRAINPONTCHARTRAIN
MISSISSIPPI MISSISSIPPI RIVERRIVER
B
A
NORMAL LAKE 1.0 FT LEVEL
SPH DESIGN ELEV 11.5 FT
17.5 FT
HURRICANEPROTECTION LEVEE& FLOODWALL
AVG ANNUAL HIGHWATER 14 FT18 FT PROJECT FLOWLINE
23 FT
FLOODWALL ALONGMISSISSIPPI RIVER
GENTILLYRIDGE
UNOUNO
UN
O S
IDE
OF
UN
O S
IDE
OF
WA
INR
IGH
T D
RW
AIN
RIG
HT
DR
WA
INR
IGH
T D
RW
AIN
RIG
HT
DR
AT
L.C
. S
IMO
NA
T L
.C.
SIM
ON
ST
. A
NT
HO
NY
AT
ST
. A
NT
HO
NY
AT
WIL
DA
IR D
RW
ILD
AIR
DR
DIL
LA
RD
UN
IVD
ILL
AR
D U
NIV
CA
MP
US
CA
MP
US
GE
NT
ILL
Y B
LV
DG
EN
TIL
LY
BL
VD
AT
AL
LE
NA
T A
LL
EN
DE
RB
IGN
Y A
T I
-10
DE
RB
IGN
Y A
T I
-10
ES
PL
AN
AD
E A
TE
SP
LA
NA
DE
AT
ST
. C
LA
UD
ES
T.
CL
AU
DE
ST
. L
OU
ISS
T.
LO
UIS
CA
TH
ED
RA
LC
AT
HE
DR
AL
CA
NA
L S
T A
T R
IVE
RC
AN
AL
ST
AT
RIV
ER
EL
EV
AT
ION
S IN
FE
ET
NG
VD
-20
-10
0
10
20
30
-20
-10
0
10
20
30
B
LAKE
PONTCHARTRAIN
SHORE
RIV
ER
BA
NK
MIS
SIS
SIP
PI
A
Conveyance channel Conveyance channel to build “third delta”to build “third delta”
Sometimes fishermen stretch the truth about the size of their catch…
But not in Louisiana!