[PPT] - River System Scott A. Wells Dept. of Civil and Environmental PowerPoint Presentation

SLIDE 1

Modeling the Spokane River System

Scott A. Wells

Dept. of Civil and

Environmental Engineering Portland State University

SLIDE 2

Spokane River System Model

S p o k a n e Long Lake Little Spokane R . C o e u r D 'A le n e L a k e

N

Miles 4 8 8 1 6 H a n g m a n C re e k

L ib e re ty L a ke P O T W K a ise r IW T P In la n d E m p ire P a p e r C o . S p o ka n e A W T P

S p o k a n e R ive r W A S H IN G T O N ID A H O D e e p C re e k

Idaho section Spokane Lake or Long Lake Washington section

SLIDE 3

Spokane River Model Grid

Long Lake Total of 189 segments from Long Lake to state line 62 segments in Idaho

SLIDE 4

Periphyton

SLIDE 5

Spokane River – Long Lake

Plunging inflow Cyanobacteria blooms Long Lake

SLIDE 6

Distance, m Elevation, m

10000 20000 30000 415 420 425 430 435 440 445 450 455 460 465 470 475

T 22.0 21.3 20.5 19.8 19.1 18.3 17.6 16.8 16.1 15.4 14.6 13.9 13.2 12.4 11.7 10.9 10.2 9.5 8.7 8.0

7/24/2001 Julian Day 205.700 7/24/2001 Julian Day 205.700

Temperature Model Prediction Long Lake Spokane River Plunging inflow

SLIDE 7

Spokane River Arm of Lake Roosevelt

5 10 15 20 25 30 35 River km 5 10 15 20 25 30 35 40 45 50 Relative Elevation, m 8.1 8.13 7.1 7 6.81 8.71 8.14 7.73 7.19 7.01 6.74 6.62 7.9 7.41 7.02 6.71 6.51 5.68 5.31 5.15 5.03 3.66 3.02 8.14 7.92 7.94 6.86 6.87 6.87 6.84 6.79 6.47 5.97 4.61 3.23 2.07 1.67 8.41 8.31 7.96 7.77 7.43 7.36 7.49 7.53 7.35 7.24 7.38 7.39 7.11 6.33 6.03 Spokane River 8/21/2006 DO, mg/L 0.5 2.5 4.5 6.5 7.6 7.8 8 8.2 8.4 8.6 8.8 9 9.2 9.4 9.6 9.8 10 10.2 10.4 10.6

Long Lake Spokane arm of Lake Roosevelt Dissolved oxygen along Spokane arm

SLIDE 8

Bathymetry and Grid for Lake Roosevelt

Model Grid (1 m vertical) (~ 500, 1000 m, longitudinal) 533 active segments Model segments

Spokane arm of Lake Roosevelt Side view of grid

SLIDE 9

Timeline of Upper Spokane River Model

Year Milestone CE-QUAL-W2 Model 2002 Completed Development and Calibration of Washington Upper Spokane River Model for Years 1991 (Feb 1-Oct 31) and 2000 (Jan 1-Oct 31) Version 3.1 2003 Completed Development and Calibration of Washington Upper Spokane River Model for Year 2001 (low-flow critical year between April 30-September 30) Version 3.1 2005 Completed Development and Calibration of Idaho Upper Spokane River Model for Years 2001 and 2004 Version 3.1 2009 Converted Washington and Idaho Upper Spokane River Models to Version 3.6 Version 3.6 (Variable Stoichiometry) 2010 Completed Final Scenarios Report for EPA Version 3.6

SLIDE 10

CE-QUAL-W2

A 2-D (vertical-longitudinal),

unsteady finite difference model for hydrodynamics and water quality for rivers, reservoirs, lakes, estuaries

Qout z x w u g z x  Slope=S=tan w u River Section Reservoir Section

SLIDE 11

CE-QUAL-W2 State Variables

Temperature, velocity (U, W),

Water surface elevation

TDS
# Arbitrary Constituents (such as

bacteria, tracer, water age, toxics)

# Inorganic suspended solids

groups

labile and refractory dissolved
rganic matter groups
Dissolved and particulate silica
Total inorganic carbon
labile and refractory particulate
rganic matter fractions
# different algal groups
# different periphyton groups
zooplankton
NH4-N
PO4-P
NO3-N+NO2-N
Iron
# CBOD groups
Alkalinity
pH and carbonate system (HCO3,

CO3, H2CO3)

Sediment Model

SLIDE 12

Calibration

Flow rate at gaging

station sites

30 60 90 120 150 180 210 240 270 300 330 Julian Day 100 200 300 400 500 600 700 800 900 Flow, m3/s

12/31/99 2/29/00 4/29/00 6/28/00 8/27/00 10/26/00 Data Model

Spokane River at Spokane

Segment 97, Br 9, JR 4 RM 72.8

SLIDE 13

Calibration

Water level at gaging

station sites

30 60 90 120 150 180 210 240 270 300 330 Julian Day 600 601 602 603 604 605 606 607 608 Water Level (m - NGVD)

Model Data 12/31/99 2/29/00 4/29/00 6/28/00 8/27/00 10/26/00

Spokane River at Barker Road Bridge

Segment 24, Br 2, JR1 RM 90.34

40 80 120 160 200 240 280 320 360 Julian Day 462 463 464 465 466 467 468 469 Water Level (m - NGVD)

Data Model

12/31/90 3/21/91 6/9/91 8/28/91 11/16/91 Spokane River at Long Lake Dam

Segment 188

SLIDE 14

Calibration

Temperature

4 8 12 16 20 24 Temperature, C 420 425 430 435 440 445 450 455 460 465 470 Elev, m NGVD

16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7 16:04 3/25/1991 Julian Day 84.7

4 8 12 16 20 24 Temperature, C

16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7 16:04 4/24/1991 Julian Day 114.7

4 8 12 16 20 24 Temperature, C

16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7 16:04 5/22/1991 Julian Day 142.7

4 8 12 16 20 24 Temperature, C

16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7 16:04 6/ 3/1991 Julian Day 154.7

4 8 12 16 20 24 Temperature, C

16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7 16:04 6/17/1991 Julian Day 168.7

4 8 12 16 20 24 Temperature, C

16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7 16:04 7/ 8/1991 Julian Day 189.7

4 8 12 16 20 24 Temperature, C 420 425 430 435 440 445 450 455 460 465 470 Elev, m NGVD

16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7 16:04 7/22/1991 Julian Day 203.7

4 8 12 16 20 24 Temperature, C

16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7 16:04 8/ 5/1991 Julian Day 217.7

4 8 12 16 20 24 Temperature, C

16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7 16:04 8/19/1991 Julian Day 231.7

4 8 12 16 20 24 Temperature, C

16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7 16:04 9/ 9/1991 Julian Day 252.7

4 8 12 16 20 24 Temperature, C

16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7 16:04 9/23/1991 Julian Day 266.7

4 8 12 16 20 24 Temperature, C

16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7 16:04 10/ 7/1991 Julian Day 280.7

SLIDE 15