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1 Graphic Case No. 2:05-cv SRD-JCW 1. Document Filed 11/18/2009 Page 1 of 33
2 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 2 of 33 Graphic No ~. :1 ';'l" ",,,, ~..6. g ~ N l,,.,...:,, ---t>-'.. r..'. r : I':. J, f Legend MR GQ Mila Markers Spoil DepOlllion AI" estual~1& hallltat marsh hqbllqi MR GO SUlWY Sllilious8 Design CIlDIIl\81 Top _ estuarlno Illlbllal marsh tlobil.ol s Environmental Science Services. Inc. P,O. Box 1289 Denham Sprin9s, Louisiana # ">- ".-._-..."'l,~ 'ip'j' ---I ::~... ~ S,. -,,"-,if"'-;:':[;: :... '~r:i' ~.\ ";]'...::'.... ~... ~ "r I~ -' - '.. ""... " \...,.,.7'-',., -- II L,. II!t.'..'..',." :... '1 '.,. ~'...:... XF$-OOl.QOOQOOO12
3 ~ Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 3 of 33 Graphic No 3A. A Reach 1 Reach 2 Inner Harbor Paris Road Bayou Bienvenu " Navigation Canal I I.~.. _~,., -;~: "'lp l"~r _~ _...~,.l~~u....~'\.t..:-: - - -~.. ~_. :_. _~.~.;; I! " ~r'-~ ~. ~" :;7..l' ~....., r t~',.' lcll.".. ~ i " It.:,,. Ii'\!' 1 mile Swamp ~ Fill/spoil/levee Marsh _Prodelta,,-,,~ Bay/sound.., Nearshore gulf Interdistributary r~ili Substratum sand and gravel _ Abandoned distributary -- Top of Pleistocene Point bar - - Approximate depth of MRGO _ Natural levee ;:':!ii;l~ Intradelta, delta front, and distributary mouth bar ~x (,.1
4 " Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 4 of 33 Graphic No 3B. ~ ~,-----,,-----,,-----, I~ ~ Reach 2 Bayou Dupre I ~ffp.r7. z..!f!liii!i!i. "..-..,.:,'.,...-- ~.~ ~ i~ ~."..II I.:,~ '" I.,. '"r 1mile Swamp ~ Fill/spoil/levee Marsh _Prodelta,''''; Bay/sound Nearshore gulf Interdistributary Substratum sand and gravel _ Abandoned distributary,... Top of Pleistocene Point bar Approximate depth of MRGO _ Natural levee ;:.):(1;.'!;; Intradelta, delta front. and distributary mouth bar 6-4
5 Graphic Case 2:05-cv SRD-JCW No. 4A. Document Filed 11/18/2009 Page 5 of 33
6 Graphic Case No. 2:05-cv SRD-JCW 4B. Document Filed 11/18/2009 Page 6 of 33
7 Graphic No. 5. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 7 of 33 Impilct orlt.e Mi~js~ippl R;\"(:rGlilrOn,lcl (MR-GO)' Gcol01:~ ;Iud Gcomol11holoil}' (I COIt<lIllC!lOll Olrctl hnp.1tl~ I ~ <; 8 89 ~ x ~'jl:lil't' 2.'J Amss c~,\,l (19$9). p0!01«miulllctloll ch:'lilnel (~1It' "Il'~) :md currenl ch:ulllci (IOnll) MI MR GO Slmion.rtr.lot*illp. MlllrllCOl"l ~ 0.'\'0" 13kn'"cnnc Red dol shows S.'lnc 1CJC:llion on :,11 p1lolas ritul't' 2.10 A"proxim.", I\'!R.GQ SIMlior. ~')U kook/tis o;mnhc:l~1 f)\'cr t11~otl MCn:lcr consilkr:lbl\ in lhis:lrt':l Red dot 1l1.1,h smile loc:ll;on on both 1"~Ip.cs JlIl~ 2H1I1I,., Envlronmenlnl SClonce SelVk';e,. Inc
8 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 8 of 33 [ Graphic No. 6. '" 0 0 N S C.. c.. ";; ~ 0 ;;; ( E e.. ~ ~ ] c C ~." ~ "ii c ~ ~ u 0 Ii' 0: :E ~ t ;: I I I. I I I I-U, ~ ~ ~ ~ ~ ~ SOlI''''' '""''' '... "'lhi."p!m I I.. I!w
9 Graphic No. 7A. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 9 of 33
10 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 10 of 33 Graphic No. 7B.
11 Graphic No. 7C. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 11 of 33
12 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 12 of 33 Graphic No. 7D.
13 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 13 of 33 Graphic No 7E.
14 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 14 of 33 Graphic No 7F.
15 Graphic Case No 2:05-cv SRD-JCW 8. Document Filed 11/18/2009 Page 15 of 33
16 Graphic Case No 2:05-cv SRD-JCW 9. Document Filed 11/18/2009 Page 16 of Fitzgerald et al continue (Figure 10): Conceptual model for lateral displacement of the interdistributary deposits into the MR- GO channel excavation due to overburden loading and the high-angle of channel walls as built by the USACE. This phenomenon was predicted prior to construction by USACE (1958) and resulted in the need for continual channel maintenance dredging as noted in USACE (1976). The migration of sediments into the channel from the underlying interdistributary deposits results in subsidence of the land surface and increases rates of landloss along the channel. Waves produced by wind and the passage of large oceangoing vessels accelerate the rate of bank failure and landloss within the marsh deposits. Figure 10: Model for lateral displacement of interdistributary deposits into the MR-GO channel excavation due to overburden loading (after Fitzgerald et al 2008). 69
17 Graphic No. 10A. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 17 of ' 18' 18' 298' Legend 262' 18.5' 285' 18' 233' 381' 314' 15' 16.5' 16.5' ' 1088' 393' 332' 266' 17.5' Bayou Bienvenue 552' 847' 1098' 1229' 1870' 11.5' Design Top of Channel 2005 Shoreline 10.0' Chad Morris Levee Breaches w/ Sill Elevations 15.0' Steven Fitzgerald Pre-Katrina Levee Heights Duncan FitzGerald Channel Widening East Bank West Bank 17' 5.2' 6.4' 388' 322' 13' 13' 11.5' 11' 11' ' 283' 306' 364' 11.5' 12' 16.5' 10.5' 8' 9.5' 16' 6.3' 2673' 1279' 9.3' 6.5' 15.5' 339' 1143' 480' 423' 346' 9' 13' 8' 16' 57 16' 7' 387' 335' 8' 16.2' 4.5' 638' 15.7' 536' 434' 8' 5' 878' 367' 447' 977' 747' ' 16.5'
18 Graphic No. 10B. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 18 of 33 8' 447' ' 1770' 7' 10.5' 16.9' 10.5' 319' 280' 10' 16.5' 17' Legend 8.2' 16' 10.8' 333' 182' 338' 381' 138' 1225' 10.5' 8' 10.5' 9.5' 15.7' 9' 12.5' 15.5' 15.5' ' 257' 582' 538' 302' 15.5' Design Top of Channel 2005 Shoreline 10.0' Chad Morris Levee Breaches w/ Sill Elevations 17' 9.5' 8' 8' 1029' 359' 15.7' 738' 326' 15.7' 427' 1060' 647' 54 11' 15.5' 370' 15.8' 12' 573' 498' 14.5' 12' 12.5' 611' 328' 12' 568' 339' 653' 169' ' 342' 15.0' Steven Fitzgerald Pre-Katrina Levee Heights Duncan FitzGerald Channel Widening East Bank West Bank 17' 14' 17.3' 18.5' 10' 434' 10' 10.5' 133' 241' 128' 152' 98' Bayou Dupre 16' 16'
19 Graphic No 10C. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 19 of 33 Bayou Dupre 16' 18' 12' 10' 11' 18.5' 270' 11.5' 17.5' 288' 111' 11' 13.2' 18.5' ' 7.5' 274' 305' 294' 229' 11.5' 12' 17.5' 13.5' 363' 339' 141' 266' 12.5' 9.8' 13' 10.5' 17.9' 18.5' 238' ' 13.7' 702' 270' 500' 206' 1118' 191' 544' 495' 17' 14' 12.5' 14.2' 14.8' 216' 465' ' 284' 958' 1943' Legend 17.5' 13.8' 13.5' 13.5' 218' 148' 195' 931' 337' Design Top of Channel 2005 Shoreline 18' 13' 264' ' Chad Morris Levee Breaches w/ Sill Elevations 13.2' 13' 13' 198' 15.0' Steven Fitzgerald Pre-Katrina Levee Heights Duncan FitzGerald Channel Widening East Bank 19' West Bank
20 Graphic No 10D. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 20 of ' 337' ' 264' 223' 198' 227' 210' 178' 15' 177' 853' 14.8' 13' 14.5' 18.2' 13.5' 13.7' 225' 289' 13.5' 14' 13.2' ' 377' 619' 1236' 1148' 1265' 1564' 432' 1702' 18.5' 399' 1742' 14' 359' ' 17' 407' 1021' 531' 1259' 15.5' 737' 688' 533' 1100' Legend 18.23' 609' 559' ' 1427' Design Top of Channel 18.65' 790' 2005 Shoreline 688' 10.0' 15.0' Chad Morris Levee Breaches w/ Sill Elevations Steven Fitzgerald Pre-Katrina Levee Heights Duncan FitzGerald Channel Widening East Bank 18.74' 18.48' 607' 487' West Bank
21 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 21 of 33 Graphic No 10.5A.
22 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 22 of 33 Graphic 10.5B.
23 Graphic Case 2:05-cv SRD-JCW No 11. Document Filed 11/18/2009 Page 23 of 33 Date : 27 January 2009 Subject : Comparison flood depth development between Katrina event and Scenario 2C From : ir. B. Maaskant, dr.ir. M. Kok To : Joe Bruno Comparison flood depth development between Katrina event and Scenario 2C The flooding of the bowls in New Orleans has been simulated with the use of the 1D2D flood simulation program SOBEK, see Kok et al. (2007). In that report three bowls have been distinguished, the Orleans Metro bowl, the New Orleans East bowl and the Saint Bernard bowl. For the three bowls flood simulations are constructed. Following on that report this memorandum will present the flood depth development over time for five specific locations. These locations are all situated in the Saint Bernard bowl (figure 1). In the table and picture below the five locations are shown. Table 1: The five considered locations X Y ELEV LATITUDE LONGITUDE LABEL ADDRESS ,06-2, ' 44.79" N 90 00' 10.35" W Norman Robinson 6965 Mayo Blvd ,02 1, ' 29.58" N 89 58' 29.07" W Kent Lattimore 2100 Marcelle Dr ,32 1, ' 31.20" N 89 58' 38.02" W Lattimore & Associates 9117 W Saint Bernard Hwy ,72 0, ' 00.75" N 89 56' 11.64" W Tanya Smith 3920 Despaux Dr ,53 0, ' 37.14" N 90 00' 46.21" W Lucille and Anthony Franz 5926 Saint Claude Ave Figure 1: Visual representation of the five locations Because the locations Lattimore & Associates and Kent Lattimore are close together and the 50 by 50 meter grid that is used in the simulations these two locations will be considered as one.
24 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 24 of 33 Graphic No. 12A. Flood simulations Greater New Orleans July 2007 In our model simulations no overtopping occurs before 7:00am, and the two breaches start at 7:00am. Therefore no water, except rain water, prior to 7:00am is visible inside the Lower 9 th Ward in the simulation results. ILIT gives an alternative explanation for the early water mentioned by eye witness reports in IPET. ILIT mentions under seepage, water migrating from the channel, under pressure, beneath the IHNC floodwalls as a possible explanation for the early flood water in the Lower 9 th Ward. Under seepage through a levee is not captured in the simulation :00h :30h :00h :30h 39
25 Graphic Case 2:05-cv SRD-JCW No. 12B. Document Filed 11/18/2009 Page 25 of 33 Flood simulations Greater New Orleans July :00h :30h :00h :30h :00h :00h 40
26 Graphic No. 12C. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 26 of 33 Flood simulations Greater New Orleans July :00h :00h Figure 5.2 Progressing snapshots of the computed internal flooding water depth inside the St. Bernard bowl Figure 5.2 shows the calculated maximum internal flooding depths in the St. Bernard bowl as a consequence of the breaches and overtopping initiated by hurricane Katrina. Figure 5.4 shows the comparison between our computed internal flood hydrographs and those presented by IPET for the St. Bernard bowl. The locations of the hydrographs are indicated in figure 5.1, location A corresponds with Lower 9th Ward NW., B with Lower 9th Ward E. and C with Chalmette. IPET based its hydrographs on eye witness accounts, stopped clock times and time/date stamped digital photographs. Our computed flood hydrographs are very similar to the data presented by IPET. The predicted peak flood level is within a foot of IPET s measurements. The peak in the model is a couple of hours earlier and the water level starts to decrease earlier than in the IPET hydrographs. The final water descent rate in the model is about equal to the IPET hydrograph. As discussed previously, in extreme events such as Katrina is difficult if not impossible to get direct measurement of some input data such as water levels at the time of a breach, especially right at the breach location. However, the differences between the computer model results and the calibration data are fully acceptable. For the purpose of this study the model results are very credible. 41
27 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 27 of 33 Graphic No. 13.
28 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 28 of 33 Graphic No. 14.
29 342' Graphic No. 15A. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 29 of ' ' 262' 266' 233' 314' 8 554' 505' 285' 437' 381' 1088' Bayou Bienvenue 18' 18' 18.5' 342' 226' 497' ' 847' 18' 393' 327' 1098' Legend 15' 16.5' 16.5' 17.5' 2, ,000 Feet 332' 391' 11.5' 17' 5.2' 266' 461' 6.4' 388' 11.5' 332' 13' 17' 13' 322' 395' 11' 1229' 11' 283' 446' 11.5' ' 306' 427' 1481' 364' 2673' 1279' 1143' Design Top of Channel 2005 Shoreline Levee Sheetpile/Wall Structures 10.0' Chad Morris Levee Breaches w/ Sill Elevations 15.0' Steven Fitzgerald Pre-Katrina Levee Heights Distance from Levee Toe* to 2005 Shoreline Duncan FitzGerald Channel Widening 12' 16.5' 8' 9.5' 355' 6.3' 9.3' ' 369' 6.5' 9.5' 423' 9' 288' 13' 8' 480' 330' 16' 346' 378' 57 7' 387' 333' 8' 638' 335' 536' 400' 434' 878' 977' East Bank West Bank *Levee toe delineated 50-feet from centerline of levee. 16' 16.2' 4.5' 8' 276' 5' 367' 352' 447' 747' 959' 56 GIS Data from: PX1818, PX1819, PX1820, PX1823, PX1825, PX1849, PX1851, PX1863; and S. Fitzgerald levee crest elevation from PX ' 39
30 Graphic No. 15B. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 30 of 33 8' 7' 10.5' 352' 447' 269' 9.5' 10.5' 56 10' 319' 387' 959' 280' 1770' 182' 17' 8.2' 16' 439' ' 10.5' 8' 383' 338' 381' 582' 333' 10.5' 9.5' 15.7' 371' 9' 12.5' 570' 134' 138' 1225' ' 257' 1029' 538' Legend 15.5' 2' 15.5' 2, ,000 Feet 177' 17' 9.5' 302' 412' 359' 8' 8' 367' 15.7' 738' 326' 393' 427' 289' 1060' ' 370' 573' 611' Design Top of Channel 2005 Shoreline Levee Sheetpile/Wall Structures 10.0' Chad Morris Levee Breaches w/ Sill Elevations 15.0' Steven Fitzgerald Pre-Katrina Levee Heights Distance from Levee Toe* to 2005 Shoreline Duncan FitzGerald Channel Widening 15.7' 11' 15.5' 345' 15.8' 12' 498' 215' 14.5' 12' 328' 12.5' 17' 387' 12' 568' 339' 14' 374' 653' 169' 546' 670' ' 342' 241' East Bank 17.3' 302' 133' 152' West Bank *Levee toe delineated 50-feet from centerline of levee. 18.5' ' 10' 10.5' 581' Bayou Dupre 128' 581' 270' 98' GIS Data from: PX1818, PX1819, PX1820, PX1823, PX1825, PX1849, PX1851, PX1863; and S. Fitzgerald levee crest elevation from PX ' 16' 40
31 Graphic No. 15C. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 31 of 33 98' 666 Bayou Dupre 16' 18' 12' 581' 10' 11' 270' 443' ' 111' 274' 8 429' 244' 305' 18.5' 11.5' 17.5' 11' 13.2' 469' 294' 420' 229' 363' 339' 18.5' 7.5' 11.5' 12' 17.5' 13.5' 141' 10.5' 488' 570' 12.5' 9.8' 13' 447' ' 238' 546' 702' 270' 500' 1118' 544' 439' Legend 2, ,000 Feet 18.5' 12.5' 13.7' 17' 14' 206' 503' 12.5' 191' 519' 216' 501' 495' 465' ' 958' 1943' Design Top of Channel 17.5' 14.8' 569' 155' 2005 Shoreline Levee Sheetpile/Wall Structures 17.5' 13.8' 13.5' 13.5' 567' 218' 503' 148' 337' 931' 10.0' Chad Morris Levee Breaches w/ Sill Elevations 572' 195' ' Steven Fitzgerald Pre-Katrina Levee Heights 18' 13' 13' 522' 264' 456' 198' Distance from Levee Toe* to 2005 Shoreline 17.5' 13' 524' Duncan FitzGerald Channel Widening East Bank 19' West Bank *Levee toe delineated 50-feet from centerline of levee. GIS Data from: PX1818, PX1819, PX1820, PX1823, PX1825, PX1849, PX1851, PX1863; and S. Fitzgerald levee crest elevation from PX
32 Graphic No. 15D. Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 32 of ' 931' 337' ' 8 264' 223' 456' 198' 227' 524' 210' 178' 15' 510' 177' 853' 543' 225' 619' 18' 13' 498' 289' ' 1148' 17.4' 18.2' 13.5' 13.7' 13.5' 14' 13.2' 438' 285' 443' 377' 1265' 1564' 349' 432' ' 18.5' 295' 1742' 17' 399' 325' 359' 1125' 2, ,000 Feet 17' 366' ' 321' 531' 1021' 1259' Legend 15.5' 737' Design Top of Channel 2005 Shoreline 18.23' 533' 609' 688' ' 950' Levee Sheetpile/Wall Structures 559' 1427' 10.0' Chad Morris Levee Breaches w/ Sill Elevations 18.65' 790' 688' 15.0' Steven Fitzgerald Pre-Katrina Levee Heights 607' Distance from Levee Toe* to 2005 Shoreline 18.48' 487' Duncan FitzGerald Channel Widening East Bank 18.74' West Bank *Levee toe delineated 50-feet from centerline of levee. GIS Data from: PX1818, PX1819, PX1820, PX1823, PX1825, PX1849, PX1851, PX1863; and S. Fitzgerald levee crest elevation from PX
33 Case 2:05-cv SRD-JCW Document Filed 11/18/2009 Page 33 of 33 Graphic No. 16.
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