Middle Fork ProjectMiddle Fork ProjectFlow and Temperature ModelingFlow and Temperature Modeling
(Status Report)(Status Report)
November 4, 2008November 4, 2008
2
AgendaAgenda
9:00 AM - 12:00 PM9:00 AM - 12:00 PM IntroductionsIntroductions Water Temperature Models Development Water Temperature Models Development
Progress Report Progress Report Reservoir ModelingReservoir Modeling River ModelingRiver Modeling Interim Model Application and TestingInterim Model Application and Testing DataData
Next Steps and ScheduleNext Steps and Schedule 12:00 PM12:00 PM
AdjournAdjourn
3
Principal Project Tasks: StatusPrincipal Project Tasks: Status Model Implementation/ConstructionModel Implementation/Construction
Reservoirs (complete)Reservoirs (complete) Rivers (Rubicon complete, MF in progress)Rivers (Rubicon complete, MF in progress) Tunnel (complete - relationship)Tunnel (complete - relationship)
Model CalibrationModel Calibration ReservoirsReservoirs
French Meadows – draft (2006-07)French Meadows – draft (2006-07) Hell Hole – draft (2006-07)Hell Hole – draft (2006-07) Ralston – in progressRalston – in progress
Rivers (pending)Rivers (pending) Tunnel model calibration (complete - relationship)Tunnel model calibration (complete - relationship)
Other TasksOther Tasks model refinementmodel refinement
River Geometry River Geometry Technology transfer (ongoing)Technology transfer (ongoing)
4
OutlineOutline
ReservoirsReservoirs French Meadows and Hell HoleFrench Meadows and Hell Hole Ralston AfterbayRalston Afterbay
RiversRivers RubiconRubicon Middle Fork (above Ralston Afterbay)Middle Fork (above Ralston Afterbay) Middle Fork (below Ralston Afterbay)Middle Fork (below Ralston Afterbay)
TunnelsTunnels Data relationshipData relationship
5
ReservoirsReservoirs
French Meadows and Hell HoleFrench Meadows and Hell Hole Refined calibrationRefined calibration
GeometryGeometry Wind sheltering considerationsWind sheltering considerations Assumptions (a and b are constant Assumptions (a and b are constant
among reservoirs, wind sheltering among reservoirs, wind sheltering differs, etc.)differs, etc.)
2006, 2007 results 2006, 2007 results
6
Hell Hole GeometryHell Hole Geometry
7
Wind shelteringWind sheltering
Meteorological data may not be Meteorological data may not be representative of the effect over the representative of the effect over the reservoirsreservoirs (Location of met station)(Location of met station)
Effect of wind sheltering may be Effect of wind sheltering may be different for the different part of the different for the different part of the reservoir and different time of the reservoir and different time of the yearyear Apply different wind sheltering values Apply different wind sheltering values
for upstream and downstream of the for upstream and downstream of the reservoirs seasonallyreservoirs seasonally
8
Hell HoleHell Hole
Rubicon River and Five Lakes Creek Rubicon River and Five Lakes Creek inflow combine as one inputinflow combine as one input
Weighted averaged input water Weighted averaged input water temperature is appliedtemperature is applied
RR1 is used for missing FL1 dataRR1 is used for missing FL1 data
9
French Meadows, 2006French Meadows, 2006Segment 23Segment 23
Jul 7, 2006 JDAY188.5 FM1 (Segment 23)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t Measured
Simulated
Outlet elevation
Aug 10, 2006 JDAY222.5 FM1 (Segment 23)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t Measured
Simulated
Outlet elevation
Sep 9, 2006 JDAY252.5 FM1 (Segment 23)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t
Measured
Simulated
Outlet elevation
Oct 28, 2006 JDAY301.5 FM1 (Segment 23)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t
Measured
Simulated
Outlet elevation
10
French Meadows, 2006 French Meadows, 2006 Segment 17Segment 17
Jul 7, 2006 JDAY188.5 FM2 (Segment 17)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t
Measured
Simulated
Outlet elevation
Aug 10, 2006 JDAY222.5 FM2 (Segment 17)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t Measured
Simulated
Outlet elevation
Sep 9, 2006 JDAY252.5 FM2 (Segment 17)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25Water Temperature, oC
Ele
vatio
n, f
t
Measured
Simulated
Outlet elevation
Oct 28, 2006 JDAY301.5 FM2 (Segment 17)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25Water Temperature, oC
Ele
vatio
n, f
t
Measured
Simulated
Outlet elevation
11
French Meadows, 2007French Meadows, 2007Segment 23Segment 23
May 30, 2007 JDAY150.5 FM1 (Segment 23)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t SimulatedMeasuredOutlet elevation
Jul 12, 2007 JDAY193.5 FM1 (Segment 23)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t Simulated
Measured
Outlet elevation
Aug 2, 2007 JDAY214.5 FM1 (Segment 23)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t
SimulatedMeasured
Outletelevation
Aug 31, 2007 JDAY243.5 FM1 (Segment 23)
5000
5050
5100
5150
5200
5250
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t
Simulated
Measured
Outletelevation
12
French Meadows, 2007French Meadows, 2007Segment 17Segment 17
May 30, 2007 JDAY150.5 FM2 (Segment 17)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t
Simulated
Measured
Outlet elevation
Jul 12, 2007 JDAY193.5 FM2 (Segment 17)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25Water Temperature, oC
Ele
vatio
n, f
t
SimulatedMeasuredOutlet elevation
Aug 2, 2007 JDAY214.5 FM2 (Segment 17)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t Simulated
Measured
Outlet elevation
Aug 31, 2007 JDAY243.5 FM2 (Segment 17)
5000
5050
5100
5150
5200
5250
5300
0 5 10 15 20 25
Water Temperature, oC
Ele
vatio
n, f
t
Simulated
Measured
Outlet elevation
13
Hell Hole, 2006Hell Hole, 2006Jul 7, 2006 JDAY188.5 HH1 (Segment 25)
4200
4300
4400
4500
4600
0 5 10 15 20 25 30
Water Temperature, oC
Ele
vatio
n, ft
MeasuredSimulatedOutlet elevation
Aug 10, 2006 JDAY222.5 HH1 (Segment 25)
4200
4300
4400
4500
4600
0 5 10 15 20 25 30
Water Temperature, oC
Ele
vatio
n, ft
MeasuredSimulatedOutlet elevation
Sep 9, 2006 JDAY252.5 HH1 (Segment 25)
4200
4300
4400
4500
4600
0 5 10 15 20 25 30
Water Temperature, oC
Ele
vatio
n, ft
MeasuredSimulatedOutlet elevation
Oct 28, 2006 JDAY301 .5 HH1 (Segment 25)
4200
4300
4400
4500
4600
0 5 10 15 20 25 30
Water Temperature, oC
Ele
vatio
n, ft
MeasuredSimulatedOutlet elevation
14
Hell Hole, 2007Hell Hole, 2007May 30, 2007 JDAY150.5 HH1 (Segment 25)
4200
4300
4400
4500
4600
0 5 10 15 20 25Water Temperature, oC
Ele
vatio
n, f
t SimulatedMeasuredOutlet elevation
Jul 13, 2007 JDAY194.5 HH1 (Segment 25)
4200
4300
4400
4500
4600
0 5 10 15 20 25Water Temperature, oC
Ele
vatio
n, f
t SimulatedMeasured
Outletelevation
Aug 2, 2007 JDAY214.5 HH1 (Segment 25)
4200
4300
4400
4500
4600
0 5 10 15 20 25 30
Water Temperature, oC
Ele
vatio
n, f
t
Simulated
Measured
Outletelevation
Aug 30, 2007 JDAY242.5 HH1 (Segment 25)
4200
4300
4400
4500
4600
0 5 10 15 20 25 30
Water Temperature, oC
Ele
vatio
n, f
tSimulated
Measured
Outletelevation
15
Ralston ReservoirRalston Reservoir
GeometryGeometry Highly detailed (run time ~90 min)Highly detailed (run time ~90 min) Modified (run time ~ 18 min)Modified (run time ~ 18 min)
Inflows and outflowsInflows and outflows ActualActual Water balance model representationWater balance model representation
Ralston PH and Rubicon River inflows togetherRalston PH and Rubicon River inflows together
Water Temperature Water Temperature Placeholder dataPlaceholder data
16
Ralston Reservoir geometry – high resolutionRalston Reservoir geometry – high resolution
17
Ralston Reservoir geometry- Ralston Reservoir geometry- reducedreduced
18
Ralston Inflows and OutflowsRalston Inflows and Outflows
MF American River
Rubicon River
Ralston PH
Oxbow PH
Ralston Afterbay
RalstonReservoir
RR+RPH
MF
A
RAB
OPH
Water balance model representation
19
Ralston Inflow TemperatureRalston Inflow Temperature
RR4
OX1MF10
MF10MF10 RR4RR4 OX1OX1
20062006 AvailablAvailablee
July 14- Dec July 14- Dec 3131
NoNo
20072007 AvailablAvailablee
AvailableAvailable NoNo
Water temperature data availability
20
Ralston Reservoir Results (steady Ralston Reservoir Results (steady state)state)
21
RiversRivers
GeneralGeneral All meteorological data are completeAll meteorological data are complete All temperature data are completeAll temperature data are complete Geometry X-Y-Z data completeGeometry X-Y-Z data complete All shade files are completeAll shade files are complete
In progressIn progress Cross sectional dataCross sectional data Sub-daily flow dataSub-daily flow data
22
RubiconRubicon
Implementation assumptionsImplementation assumptions Estimated cross sectional geometryEstimated cross sectional geometry Flow: from Hell Hole Reservoir Flow: from Hell Hole Reservoir
simulationsimulation Water temperatures: from Hell Hole Water temperatures: from Hell Hole
Reservoir simulationReservoir simulation Relationship to span alluviumRelationship to span alluvium
Next StepsNext Steps Cross section geometryCross section geometry Final simulated temperatures below Hell Final simulated temperatures below Hell
Hole (CE-QUAL-W2)Hole (CE-QUAL-W2)
23
Rubicon River Boundary Rubicon River Boundary ConditionsConditions
4324000
4324500
4325000
4325500
4326000
4326500
721500 722000 722500 723000 723500 724000 724500
UTM-X Coordinates
UT
M-Y
Coo
rdin
ates
River
RR2
RR3
24
Rubicon River Boundary Rubicon River Boundary ConditionsConditions
-6
-4
-2
0
2
4
6
8
10
12
14
16
1/1/06 2/20/06 4/11/06 5/31/06 7/20/06 9/8/06 10/28/06 12/17/06
Tem
pera
ture
, oC
0
6
12
18
24
30
36
42
48
54
60
66
Flo
w, c
ms
RR2RR3Sim HH outf low TwRR3-HHSpillRelease
-6
-4
-2
0
2
4
6
8
10
12
14
16
1/1/07 2/20/07 4/11/07 5/31/07 7/20/07 9/8/07 10/28/07 12/17/07
Tem
pera
ture
, oC
0
6
12
18
24
30
36
42
48
54
60
66
Flo
w, c
ms
RR2RR3Sim HH outf low TwRR3-HHSpillRelease
25
Rubicon River Boundary Rubicon River Boundary ConditionsConditions
Objective: Estimate appropriate boundary condition in alluvial Objective: Estimate appropriate boundary condition in alluvial section at headwater under spill and non-spill condition. section at headwater under spill and non-spill condition.
Headwater of the Rubicon River model was placed at RR3 Headwater of the Rubicon River model was placed at RR3 because of the dry alluvial reach upstream.because of the dry alluvial reach upstream.
Develop dual criteria to provide river inflow temperature Develop dual criteria to provide river inflow temperature boundary conditionboundary condition
When Hell Hole Dam is spilling:When Hell Hole Dam is spilling:1.1. RR3 Tw is similar to Hell Hole spill Tw – Large flows overwhelm RR3 Tw is similar to Hell Hole spill Tw – Large flows overwhelm
small releases from the dam and short transit time yields minimum small releases from the dam and short transit time yields minimum opportunity for heating.opportunity for heating.
2.2. Potential lag effect at RR3 Tw – Due to the spill filling alluvium and Potential lag effect at RR3 Tw – Due to the spill filling alluvium and then slowly released.then slowly released.
When Hell Hole Dam is not spilling:When Hell Hole Dam is not spilling:
1.1. Between RR2 and RR3, Tw difference of about 2Between RR2 and RR3, Tw difference of about 2ooF in June. It F in June. It
diminishes to nearly 0diminishes to nearly 0ooF by October 1F by October 1stst..
Linear relationship assumed from terminus of spill to mid-October.Linear relationship assumed from terminus of spill to mid-October.
26
Rubicon River-Ralston InterfaceRubicon River-Ralston Interface
464
472
27
MF AmericanMF American
Middle Fork above RalstonMiddle Fork above Ralston Implementation assumptionsImplementation assumptions
Estimated cross sectional geometryEstimated cross sectional geometry FlowsFlows Characterization of InterbayCharacterization of Interbay Temperatures (simulated from French Meadows)Temperatures (simulated from French Meadows)
Next StepsNext Steps Cross section geometryCross section geometry Refinement at InterbayRefinement at Interbay Sub-daily flow representationSub-daily flow representation Final simulated temperatures below French MeadowsFinal simulated temperatures below French Meadows
Middle Fork below Ralston – in progressMiddle Fork below Ralston – in progress
28
MFAR (French Meadows-Ralston) MFAR (French Meadows-Ralston) GridGrid
Interbay
29
MFAR (French Meadows-Ralston) MFAR (French Meadows-Ralston) GridGrid
4319250
4319300
4319350
4319400
4319450
4319500
4319550
4319600
4319650
4319700
695800 695900 696000 696100 696200 696300 696400UTM X-Coordinates, m
30
Sub-daily Flow RepresentationSub-daily Flow Representation
Water Balance Model DisaggregationWater Balance Model Disaggregation Use production data to estimate sub-Use production data to estimate sub-
daily flow signal (ECORP) daily flow signal (ECORP) Discrepancies existed. Discrepancies existed. Scaled flows such that sub-daily Scaled flows such that sub-daily
flows captured daily flow totalsflows captured daily flow totals
31
River Reach Cross SectionsRiver Reach Cross Sections Representative cross sections for each habitat Representative cross sections for each habitat
type (in each reach) will be formulated and type (in each reach) will be formulated and assigned to the longitudinal profile consistent assigned to the longitudinal profile consistent with the habitat typing. All habitat types will be with the habitat typing. All habitat types will be assessed to identify representative cross sectionsassessed to identify representative cross sections
Cross sections based on habitat types: HGR, LGR, Cross sections based on habitat types: HGR, LGR, RUN, and POOL (no cascades included). RUN, and POOL (no cascades included).
Habitat designations were examined at three Habitat designations were examined at three spatial densities: 25, 50, and 100 m inter-node spatial densities: 25, 50, and 100 m inter-node spacingspacing
25 m 50 m 100 mHGR 20.2% 19.5% 19.1% 19.5%LGR 5.9% 6.2% 6.8% 6.2%RUN 26.2% 27.6% 27.8% 26.2%
POOL 41.9% 39.6% 40.7% 42.6%CAS 5.9% 7.1% 5.6% 5.4%
% Habitat ResultsMapped % Habitat
for ReachHabitat
32
River Reach Cross SectionsRiver Reach Cross Sections Elements consist of 3 nodes. Assume that the top Elements consist of 3 nodes. Assume that the top
two nodes of each element represent the habitat two nodes of each element represent the habitat type. The lower most node is common between type. The lower most node is common between adjacent elements. Because the finite element adjacent elements. Because the finite element model integrates between nodes this lower node in model integrates between nodes this lower node in the element serves approximately as a "transition" the element serves approximately as a "transition" between adjacent element habitat types.between adjacent element habitat types.
Scheme will be tested and refined as necessaryScheme will be tested and refined as necessary Cross sectional area and surface width will be Cross sectional area and surface width will be
mapped from actual cross sections to a trapezoidal mapped from actual cross sections to a trapezoidal form to preserve the area and width in an form to preserve the area and width in an appropriate fashion.appropriate fashion.
Additionally, to improve pool representation in Additionally, to improve pool representation in (depths and velocities), slope factors will be used for (depths and velocities), slope factors will be used for all pool elements. The riffles and runs will not be all pool elements. The riffles and runs will not be represented with explicit slope factors unless the represented with explicit slope factors unless the need arises.need arises.
33
Stream Cross Section Stream Cross Section RepresentationRepresentation
Map AreaAnd Width
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0.0 20.0 40.0 60.0 80.0Stream Width (ft)
Sta
ge
(ft)
Field
Model
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0.0 50.0 100.0 150.0 200.0 250.0Stream Area (ft^2)
Sta
ge
(ft)
Field
Model
34
Actual Cross SectionsActual Cross SectionsHGR
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
0.00 20.00 40.00 60.00 80.00 100.00 120.00
Station (ft)
Ele
va
tio
n (
ft)
XSEC 4 XSEC 5 XSEC 12 XSEC 13
35
Actual Cross SectionsActual Cross SectionsLGR
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
9.00
0.00 20.00 40.00 60.00 80.00 100.00 120.00
Station (ft)
Ele
va
tio
n (
ft)
XSEC 1 XSEC 2
36
Actual Cross SectionsActual Cross SectionsRUN
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
9.00
10.00
0.00 20.00 40.00 60.00 80.00 100.00 120.00
Station (ft)
Ele
va
tio
n (
ft)
XSEC 3 XSEC 6 XSEC 7 XSEC 8
37
Actual Cross SectionsActual Cross SectionsPOOL
-5.00
0.00
5.00
10.00
15.00
20.00
25.00
0.00 20.00 40.00 60.00 80.00 100.00 120.00 140.00
Station (ft)
Ele
va
tio
n (
ft)
XSEC 9 XSEC 10 XSEC 11 XSEC 14 XSEC 15 XSEC 16 XSEC 17
38
Tunnel WorkTunnel Work
Heating assessment based on field Heating assessment based on field datadata
Filter dataFilter data Daily AverageDaily Average Sub-daily data Sub-daily data
Peaking periodsPeaking periods With transition removedWith transition removed Lagging temperatures – based on travel time Lagging temperatures – based on travel time
through tunnel at plant flow ratethrough tunnel at plant flow rate
39
French Meadows Power HouseFrench Meadows Power House
Daily temperature
Temperature differences
(70% 0.26oF or less)
40
Ralston Power HouseRalston Power House
Daily temperature
Temperature differences
(90% 1oF or less, 0.56oF at full
pipe)
41
Rate of heatingRate of heating
Approximately Linear, minimal heatingApproximately Linear, minimal heating Rate of heating is approximately 0.015Rate of heating is approximately 0.015ooF F
per 1000 feetper 1000 feet Recommend using this relationship Recommend using this relationship
Ralston
French Meadows
Ralston
French Meadows
Top Related