Water Quality and Steelhead Trout in the Lower Santa Ynez River … · 2016-07-25 · 2016 Esri...
Transcript of Water Quality and Steelhead Trout in the Lower Santa Ynez River … · 2016-07-25 · 2016 Esri...
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Water Quality and Steelhead Trout in the Lower Santa
Ynez River Watershed
Timothy H. RobinsonCachuma Operation and Maintenance
Board
2016International Users Conference
United We Map
SessionExploring Fisheries and Fish Habitat
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Southern SteelheadOncorhynchus mykiss
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Southern California Steelhead Recovery Plan, January 2012
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The Cachuma ProjectCachuma Operation and Maintenance Board
(Joint Powers Agency)Objectives:• Water delivery (reservoirs, tunnels, conduit, etc.)• Resource management (water and biological species/habitat)
Santa Ynez ID#1
DISTRICTSCarpinteria Valley GoletaMontecito
Santa Barbara
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Southern Steelhead – Endangered Species List (1997)
15 Reasonable and Prudent Measures (RPMs):• Monitoring (migrant trapping, snorkel and redd surveys,
diel and spot water quality and flow monitoring, habitat classification, etc)
• River target flows• Passage supplementation• Habitat quality improvement• Migration barrier fixes (11)• Reporting• Outreach• Adaptive management
Cachuma Project Biological Opinion (NMFS, 2000)
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Monitoring• Trapping (January – May): Salsipuedes and Hilton Creeks and mainstem
near Solvang• Redd Surveys (February – May): tributaries and mainstem• Snorkel Surveys (Spring, Summer and Fall): tributaries and mainstem• Stream/River Discharge (year round): USGS and spot flow measurements• Water Quality (dry season, May – November): temperature, dissolved
oxygen concentration, turbidity, specific conductance, lake profiles, stratified pools, and ambient air temperature (diel and spot measurements)
• Habitat Quality (as needed or yearly): habitat mapping and photo points• Restoration Projects (as needed or annually): pre-, during- and post-
construction as well as performance monitoring over time
Trapping
Redds
Water Quality
Stratified Pools
Snorkeling
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HCWS
StillingBasin
San Lucas Ranch
USBR
CRP
LSYR-0.5
LSYR-0.6
LSYR-0.7
Outlet Works
LSYR-3.2
Hwy 154 Bridge
LSYR-0.3HC-0.1
LSYR-0.01
Water Quality + Flow Monitoring Sites:Single unit (T)Vertical Array (T + DO)USGS gauge (Z, T + DO)PT-temp unit (Z + T)
LSYR-10.5
Alisal Bridge
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‐50
‐40
‐30
‐20
‐10
01 2 4 8 16 32 64
Dep
th (ft)
Turbidity (NTU)
3/3/16 ‐ Elev. 664.944/11/16 ‐ Elev. 665.12
‐60
‐50
‐40
‐30
‐20
‐10
00 2 4 6 8 10 12
Dep
th (ft)
Dissolved Oxygen (mg/l)
3/3/16 ‐ Elev. 664.944/11/16 ‐ Elev. 665.12
‐60
‐50
‐40
‐30
‐20
‐10
08 10 12 14 16 18 20 22 24 26
Dep
th (ft)
Temperature (°C)
3/3/16 ‐ Elev. 664.944/11/16 ‐ Elev. 665.12
(a)
(b)
(c)
Lake Cachuma
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Trapping data
0
10
20
30
40
50
60
70
80
90
100
0
1
2
3
4
5
6
7
2/16/201
6
2/18/201
6
2/20/201
6
2/22/201
6
2/24/201
6
2/26/201
6
2/28/201
6
3/1/2016
3/3/2016
3/5/2016
3/7/2016
3/9/2016
3/11/201
6
3/13/201
6
3/15/201
6
3/17/201
6
3/19/201
6
3/21/201
6
3/23/201
6
3/25/201
6
3/27/201
6
3/29/201
6
3/31/201
6
4/2/2016
4/4/2016
4/6/2016
4/8/2016
4/10/201
6
4/12/201
6
4/14/201
6
Cumulative Total
Num
ber C
aptured
HU=7
HD=86
Cumulative Total
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Water Quality – Thermographs – Stilling Basin
10
12
14
16
18
20
22
24
26
28
304/1/2015
4/15/201
5
4/29/201
5
5/13/201
5
5/27/201
5
6/10/201
5
6/24/201
5
7/8/2015
7/22/201
5
8/5/2015
8/19/201
5
9/2/2015
9/16/201
5
9/30/201
5
10/14/20
15
10/28/20
15
11/11/20
15
11/25/20
15
12/9/201
5
12/23/20
15
Tempe
rature (°C)
Maximum
Average
Minimum
Stilling Basin Wall – Surface 1-Foot
10
12
14
16
18
20
22
24
26
28
30
4/1/2015
4/15/201
5
4/29/201
5
5/13/201
5
5/27/201
5
6/10/201
5
6/24/201
5
7/8/2015
7/22/201
5
8/5/2015
8/19/201
5
9/2/2015
9/16/201
5
9/30/201
5
10/14/20
15
10/28/20
15
11/11/20
15
11/25/20
15
12/9/201
5
12/23/20
15
Tempe
rature (°C)
Maximum
Average
Minimum
Stilling Basin Wall – Surface 8-Foot
10
12
14
16
18
20
22
24
26
28
30
4/1/2015
4/15/201
5
4/29/201
5
5/13/201
5
5/27/201
5
6/10/201
5
6/24/201
5
7/8/2015
7/22/201
5
8/5/2015
8/19/201
5
9/2/2015
9/16/201
5
9/30/201
5
10/14/20
15
10/28/20
15
11/11/20
15
11/25/20
15
12/9/201
5
12/23/20
15
Tempe
rature (°C)
Maximum
Average
Minimum
Stilling Basin Wall – Surface 16-Foot
10
12
14
16
18
20
22
24
26
28
30
4/1/2015
4/15/201
5
4/29/201
5
5/13/201
5
5/27/201
5
6/10/201
5
6/24/201
5
7/8/2015
7/22/201
5
8/5/2015
8/19/201
5
9/2/2015
9/16/201
5
9/30/201
5
10/14/20
15
10/28/20
15
11/11/20
15
11/25/20
15
12/9/201
5
12/23/20
15
Tempe
rature (°C)
Maximum
Average
Minimum
Stilling Basin Wall – Surface 24-Foot
WR89-18 Release
WR89-18 Release
WR89-18 ReleaseWR89-18 Release
Thermograph repositioned – may have been laying on the bottom
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12
14
16
18
20
22
24
26
28
M J J A S O
Tem
pera
ture
(°C
)
Month
Lower Hilton Creek Maximum Temperatures 1998-2014
1998200020012002200320042005200620072008200920102011201220132014
Canopy Established
Before HCWS Creek Dried
No Canopy
Hilton Creek Canopy Cover Growth – water quality
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‐90
‐80
‐70
‐60
‐50
‐40
‐30
‐20
‐10
08 10 12 14 16 18 20 22 24 26
Dep
th (ft)
Temperature (°C)
3/18/15 ‐ Elev. 688.124/29/15 ‐ Elev. 687.026/11/15 ‐ Elev. 685.227/13/15 ‐ Elev. 683.678/31/15 ‐ Elev. 674.499/23/15 ‐ Elev. 670.2310/27/15 ‐ Elev. 667.993/3/16 ‐ Elev. 664.944/11/16 ‐ Elev. 665.12
‐90
‐80
‐70
‐60
‐50
‐40
‐30
‐20
‐10
00 2 4 6 8 10 12
Dep
th (ft)
Dissolved Oxygen (mg/l)
3/18/15 ‐ Elev. 688.124/29/15 ‐ Elev. 687.026/11/15 ‐ Elev. 685.227/13/15 ‐ Elev. 683.678/31/15 ‐ Elev. 674.499/23/15 ‐ Elev. 670.2310/27/15 ‐ Elev. 667.993/3/16 ‐ Elev. 664.944/11/16 ‐ Elev. 665.12
(a)
(b)
10/27/15 bottom temp of 20.32 °C
Lake Profiles at Lake Cachuma
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Stilling Basin – Thermal burping
0
1
2
3
4
5
6
7
8
15
16
17
18
19
20
21
22
23
6/1/13 6/4/13 6/7/13 6/10/13 6/13/13 6/16/13 6/19/13 6/22/13 6/25/13 6/28/13
Flow
(cfs)
Tempe
rature °C
Hilton Creek Flow (USBR)
Outlet Works Flow (USBR)
Water Temperature Below Long Pool (USGS)
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0
2
4
6
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12
14
16
18
16
18
20
22
24
26
28
30
32
5/1/15
5/11
/15
5/21
/15
5/31
/15
6/10
/15
6/20
/15
6/30
/15
7/10
/15
7/20
/15
7/30
/15
8/9/15
8/19
/15
8/29
/15
9/8/15
9/18
/15
9/28
/15
10/8/15
10/18/15
10/28/15
Dissolved
Oxygen (m
g/L); PT Dep
th (ft)
Tempe
rature (◦C)
S‐1 Thermo M‐1 ThermoM‐2 Thermo B‐1 ThermoSurface Dissolved Oxygen Middle Dissolved OxygenBottom Dissolved Oxygen
Long Pool – Water Quality Monitoring
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0
1
2
3
4
5
6
7
8
9
10
10
12
14
16
18
20
22
24
26
28
30
07/31/15
08/05/15
08/10/15
08/15/15
08/20/15
08/25/15
08/30/15
09/04/15
09/09/15
Water Dep
th at Tailout (ft)
Tempe
rature (°C)
S‐1 Surface TempM‐1 Middle TempM‐2 Middle TempB‐1 Bottom TempPT Elev (ft)
0
1
2
3
4
5
6
7
8
9
10
0
2
4
6
8
10
12
07/31/15
08/05/15
08/10/15
08/15/15
08/20/15
08/25/15
08/30/15
09/04/15
09/09/15
Water Dep
th at Tailout (ft)
Dissolved Oxygen (m
g/L)
S‐1 Dissolved Oxygen
M‐1 Dissolved Oxygen
M‐2 Dissolved Oxygen
B‐1 Dissolved Oxygen
PT Elev (ft)
(a)
(b)
LSYR-0.1Stilling Basin
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6
7
8
9
10
11
12
1 3 5 7 9 11 13 15 17 19 21 23 25 27
Salinity
(ppt)
Downstream Upstream
SurfaceMiddleBottom
Measurement Sites
0
2
4
6
8
10
12
14
1 3 5 7 9 11 13 15 17 19 21 23 25 27
Dissolved
Oxygen (m
g/l)
Downstream Upstream
SurfaceMiddleBottom
Measurement Sites
6
6.5
7
7.5
8
8.5
9
9.5
10
1 3 5 7 9 11 13 15 17 19 21 23 25 27
pH
Downstream Upstream
SurfaceMiddleBottom
Measurement Sites
16
17
18
19
20
21
22
1 3 5 7 9 11 13 15 17 19 21 23 25 27
Tempe
rature (°C)
Downstream Upstream
SurfaceMiddleBottom
Measurement Sites
(a) (b)
(c) (d)
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10
15
20
25
30
35
40
45
50
1 3 5 7 9 11 13 15 17 19 21 23 25 27
Turbidity
(NTU
)
Downstream Upstream
SurfaceMiddleBottom
Measurement Sites
15
16
17
18
19
20
1 3 5 7 9 11 13 15 17 19 21 23 25 27
Cond
uctiv
ity (m
S/cm
)
Downstream Upstream
SurfaceMiddleBottom
Measurement Sites
6
7
8
9
10
11
12
1 3 5 7 9 11 13 15 17 19 21 23 25 27
Total D
issolved
Solids (g/l)
Downstream Upstream
SurfaceMiddleBottom
Measurement Sites
0
1
2
3
4
5
6
7
8
9
10
1 3 5 7 9 11 13 15 17 19 21 23 25 27
Dep
th at Each Site (fee
t)
Downstream Upstream
Depth
Measurement Sites
(a) (b)
(c) (d)
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Vertical Diel Profile at Cross Section C
16
17
18
19
20
21
22
23
11:15 13:30 15:45 18:00 20:15 22:30 0:45 3:00 5:15 7:30 9:45 12:00
Tempe
rature °C
Surface
Middle
Bottom
0
2
4
6
8
10
12
14
11:15 13:30 15:45 18:00 20:15 22:30 0:45 3:00 5:15 7:30 9:45 12:00
Dissolved
Oxygen (m
g/l)
Surface
Middle
Bottom
(a)
(b)
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Conclusions• Drought – difficult for southern
steelhead
• Water quality monitoring – more important than ever (diel)
• Creative and extreme measures are needed
• Climate change: expect extremes (the new norm)
• Human consumption: reduce, update, reclaim and be creative- Desalinization: not sustainable
• Future: conserve and think-act dry Endangered Santa Ynez RiverSouthern Steelhead