FLOOD00150

• Designation Number: 579
• County: Gunnison
• Community: Marble and Vicinity
• Stream Name: Crystal River
• Title: Floodplain Information Report - Crystal River Technical Appendix
• Date: 8/1/2004
• Prepared For: CWCB
• Prepared By: Icon Engineering, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

1

I

E.G. slope (ft/ft)
QTotal Cds)
TOP width (ft)
vel Tota,l (ft/s)
Ma~ elll Opth (ft)
COfW.Total (tf5)
LenQth Wed. eft)
MinchEl (ft)
Alpha
FrctnLoss(ft)
C 4< E loss (ft)

I

1

Warning;
Warning;
Note:

Divided flow computed for this cross-section.
The energ:( 10s5 was greater than 1.0 Fe (0.3 m). between the current and previous cross section.
Thismaylndicatetheneedforadditionalcrosssect1ons
Multiple critical depths were found at ttlis location. The crith:al depth with the lowest, valid,
surface was used.

water

CROSS SECTIOIt OIlTPIJ'T I'rofileJilSO-year
~ef' H~~~V (~g> 7801.31 Element LeftOB Channel Ri8~~5gB
0.45 ... n-val. 0.060 0.035
W.~. Elev ~ft5 7800.86 Reach Len. (ft) 397.52 563.66 336.93
er1t W.5. Fe 7800.42 Flow Area (sQ fe) 7.03 369.18 3.88
E.G. Slope (ft/ft) 0.006619 Area ~S~ ft) 7.03 369.18 H6.15
Q Total (ds) 2031.00 Flow cs) 16.04 2005.94 9.01
TO~ 'flidth ~ft) 394.61 1"cp W'ldth ~ft) 5.15 186.96 202.;1)
Ve Total ft/5) 5.34 I\V~. vel. ft/s~ 2.28 5.43 2.32
MaJlChlopth(ft) 2.73 Hyr.Oepth(ft 1.36 1.97 1.13
~~g~i:h T~~~~ ~~W 24964.7 cony. (Cf5) 197.2 24656.7 110.8
S16.81 wetted per. (ft~ 5.83 187.10 4.12
MillChEl (ft) 7798.13 shear (lb/5Qft 0.50 0.82 0.39
Alpha 1.02 stream P<lwu (l/ft s) 1.14 4.43 0.90
Frctll loss ~ft~ 3.60 Cum volume (acre-ft) 22.28 47.53 25.71
C & E LOSS ft 0.04 curn SA (acres) 14.26 12.24 15.92

I

I

I

Warning;
warning;

oividedflowcomputedfor this cross-section.
The ener~l' loss was great..r than 1.0 ft (0.3 m). between the current and previous cross section.
ThismaylndicatetheneedforadditionalcrosssectlonS.
Multiple critical depths were found at this location. The critical depth with the lowest, valid,
surface was used.

water

Note:

I

CROSSSECT10NOUTPUT
e~~' H~~~v (m)
~~~i: ~~~~ ~m
E.G. Slope (ft/ft)
QTotal (ds)
~~~ ~~~~ mJS)
MaJlChlopth(ft)
~~g~i:hT~~~~ m~)
MinchEl (ft)
Alpha
~rit~ t~~~ ~m

I

0.006739
1657.00
310.36
4.9&
2.49
20184.2
520.32
7798.13
1.02
3.67
0.05

Area.(sqft)
Flow ~cfs)
TOPW1dth(ft)
"j.vel.(ft/s)
Hyr.Depth(ft)
conv. (ds)
Wetted per. (ft1
Shellr(lb/sqft
streamPower(l/fts)
Cum volume (acre-ft)
Cum SA (acres)

Leftoa
0.060
397.52
8.55
8.55
20.65
5.68
2.42
1.50
256.0
6.43
0.54
1.31
29.76
18.37

5.87
12.72
4.71
1.17
1.25
155.0
5.33
0.46
1.00
17.l3
12.46

crystalRiver.rep
325.09 290.56
1637.51 6.77
166.96 178.69
S.04 2.18
1.74 1.01
19946.7 82.5
187.10 3.69
0.73 0.35
3.68 0.77
42.32 19.22
12.24 13.67

Profile'SOO-year
7801.67 Element
0.53 wt.n-val.
7801.14 Reachlen. (ft)
7800.66 Flow Area (sq ft)
Oi~~~~M ~j:;~ ~~~s~t)
441.70 Top width (ft)
5.78 Avg.vel. (ft/s)
).01 Hydr.Depth(ft)
31168.8 Conv. (cfs)
51).S4 'flettedPer. (ftl
7798.13 Shear (lb/sqft
1.03 Stream power (1 /ft 5)
3.53 cum\,,,)ume(acre-h)
0.04 Cum SA (acres)

Channel
0.035
563.66
411.58
411.58
2482.12
186.96
5.89
2.25
30761.4
187.10
0.92
5.39
53.80
12.24

Ri8~6sg8
336.93
4.91
197,!Z
!Z.23
249:06
1.49
1.27
151.5
4.63
0.43
1.07
34.40
17.98

1

Warning:
warning:
Note ~

oivid"d fl"w computed for this cross-section.
Tne ener9~ 1055 was greater than 1.0 ft (0.3 m). between the current and previous cross section.
Thismaylndicate the need for additional cross sections.
Multiple critical dePths were found at this location. The critical deoth with the lowest, vaHd, w...t..r
surface was used.

INPUT
o..scription:
Station Elevation Data num~ 298
su Elev Sta Elev Sta Elev Sta Elev sta Elev
o 7836.S7 l.317835.67 4.05783S.47 6.817834.91 12.21 7833.77
13.6678B.55 20.387832.11 28.547831.35 36.77829.95 44.7)7828.62
45.367828.55 53.027817.68 55.087827.4S 61.197826.76 65.447826.29
69.357825.85 7S.797825.09 17.S178t4.89 93.847822.86 96.5 78n.5
1027821.81106.857821.08 110.167820.65 117.217819.77 118.12 7819.63
122.477819.29 127.567818.116 137.927818.01142.817817.72 148.277817.23
IS0.977817.12 158.637816.34 161.027816.21 167.37815.98168.987815.82
175.467815.51 179.33 7815.2 189.697814.62 191.787814..\5 199.58 7814.3
208.117814.01 210.47813.94 216.277813.49229.887811.61 231.23 7811.43
238.417811.5241.467811.54 248.927811.65 251.827811.57 257.087811.06
262.177810.82265.247810.55272.527809.93 273.47809.88276.687809.67
281.S7 7809.J8 289.73 7808.94 ~93.23 7808.76 303.59 7808.4 306.0S 7808.24
3l3.~4 7808.04 315.24 7507.9& :)21.387807.4& 324.37807.33 329.197806.91
333.597806.58 338.677809.08 341.047810.89 344.83 7812.4 34S.357812.11
351.797807.35 li5.B 7806.51 355.767806.25 li6.93 7805.42 3>9.11780S.34
365.717805.13 371.357804.98 376.077804.98 379.S1 7805392.317804.68
396.787804.63 4047804.68407.137804.73 417.487804.82 428.497804.98
436.657804.91 444.817804.76448.557804.68452.977804.73 458.97804.55
461.147804.54 469.267804.31 477.467804.17 479.617804.12 485.627804.16
489.977804.09493.79 7804.1 500.32 7804.1 508.017804.31 510.11 7804.36
520.97804.,8 522.2> 7804.77 531.387806.66 534.67807.31 541.747808.63
543.197808.96 S45.95 7809.4 549.57809.98 5S0.687810.17 552.117809.78
SS8.897808.37 562.45 7807<4 567.257806.37 572.87805.21 576.147804.58
582.967803.64585.127801.61 589.317803.S6 593.517803.45 599.897803.36
603.867803.41632.547803.04634.937802.98 640.717802.88 645.287802.81
6S5.647802.44 665.197802.24 673.357802.04 686.77801.6700.787801.22
728.127800.66 738.477800.52 746.817800.33 748.827800.29 754.987800.15
759.18 7800 769.53 7799.51 771.37799.53 784.687799.38 787.557798.89
790.247798.26 79S.&177'}7.19 800.137796.44 801.037796.26809.977797.76
810.957797.92 &12.97798.29815.297798.72 820.057798.78 828.447798.93
831.667798.96 836.67798.94842.017798.93844.767798.97852.377798.91
869.267798.91 873.067798.95 877.477798.96 88l.l97799.08 885.69 7799.1
893.71 7799.1S 904.047799.05 910.32 7799.13 914.367799.07 918.537799.12
924.697799.18926.757799.16934.737799.29943.177799.59 945.347799.7
953.37800.09956.047799.83 962.17799.27965.997798.92967.817798.76
974.85779&.29976.027798.21 980.187797.7S 982.527796.,76 98l.897796.n
981.057794.79&7.767794.36997.57 7794.51001.07 7794.61002.067794.78
1007.37795.461009.457795.151011.267795.981017.067795.491017.627795.44
1025.297795.28 :!-027.95 7795.25 1033.5 7795.11038.287795031041.72 7795.22
W48.6779S.57 W50.8779S.67W55.087795.76 WS8.147795.84 W60. 197795.~
1069.077795.51071.687794.951077.417793.85 1079.58 7793.811082.78 7793.76
1089.917793.73 1095.27793.661100.147793.581101.747793.491108.867792.09
1128.667792.091131.18 7793.3411B.67 7794.58 1139.26 7797.77 1140.87797.35
1141..147797.151148.477796.421151.867795.361152.817795.24 1157.87794.88
1168.6779S.851170.237795.971172.S17796.161181.l2 77971182.847797.2
1189.817797.921191.357797.991197.757798.271203.497798.441205.967798.49
1213.827798.581222.387798.16 1230.67798.8212]4.477798.841238.817798.84
1244.657798.B912S4.797798.821257.547798.811264.797798.761267.547798.54
1274.797791.B71275.667797.821282.l47798.S71284.797798.881286.347799.03
1288.297799.231293.167799.031294.797798.97 1296.5 7798.91298.227798.81

CROSS SECTION

I

RIVEIl:Crysul
REACH: Marble

1

1

1

1

I

1

I

I

RS; 10584

page 4"