2013 trophic state · 2014. 2. 10. · for pop mid-lake minima 1 ... tropic state metrics author:...
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![Page 1: 2013 Trophic State · 2014. 2. 10. · for POP mid-lake minima 1 ... Tropic State Metrics Author: SueOD Subject: 2013 Tropic State Metrics Keywords: Cayuga, Lake, 2013, Tropic, State](https://reader036.vdocuments.mx/reader036/viewer/2022071407/60fedab44ecd6d6c000febb1/html5/thumbnails/1.jpg)
2013 Trophic State
1/15/2014 Upstate Freshwater Institute 1
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Cayuga Lake, 1998-2012
1/15/2014 Upstate Freshwater Institute 2
LSC monitoring program
sites
site 8 pelagic zone
site 1, 3, 4, 5, 7 shelf
sites
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Whole Lake
Monitoring Sites, 2013
9 in-lake sites
1 site in inlet near mouth
2 times per month, April-October
field measurements
water collection
phytoplankton sampling
zooplankton sampling
1/15/2014 Upstate Freshwater Institute 3
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More Frequent South Monitoring
Sites, 2013
field measurements
water collection (less parameters)
1/15/2014 Upstate Freshwater Institute 4
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Results: Long-term Lake Trophic
State Metrics 1998 – 2012, from LSC monitoring
Jun-Sept. avg.
1/15/2014 Upstate Freshwater Institute 5
Chl
(µg
·L-1
)
0
5
10
Year
98 00 02 04 06 08 10 12
SD
(m
) 2
3
4
5
TP
(µ
g·L
-1)
0
10
20 pelagic, LSC study
shelf, LSC study
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Relationships Between Trophic
State Metrics 1998 – 2012, from LSC monitoring
Jun-Sept avg.
added 2013, pelagic = 3, shelf = 2
1/15/2014 Upstate Freshwater Institute 6
update
Chl
(µg
·L-1
)
0
5
10
Year
98 00 02 04 06 08 10 12
SD
(m
) 2
3
4
5
TP
(µ
g·L
-1)
0
10
20
shelf, shelf (site 2)
pelagic, 2013, site 3
pelagic, LSC study, site 8
shelf, LSC study,(sites 1,3,4,5,7)
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Color Contour for Cayuga Lake:
May 21, 2013
1/15/2014 Upstate Freshwater Institute 7Distance from IL end (km)
0 10 20 30 40 50
5
10
15
20
25
30
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
De
pth
(m
) 5
10
15
20
25
30
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
0
5
10
15
20
25
30
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5
25.0
27.5
T (°C) c660
(m-1
) Chlf (µg/L)
T
c660
Chlf
IL12 3 4 5 6 7 8 9
upper lake waters
turbidity inputs to site 4 area
lower Chlf
before noteworthy
stratification
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Color Contour for Cayuga Lake:
June 18, 2013
1/15/2014 Upstate Freshwater Institute 8Distance from IL end (km)
0 10 20 30 40 50
5
10
15
20
25
30
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Depth
(m
) 5
10
15
20
25
30
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
0
5
10
15
20
25
30
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5
25.0
27.5
T (°C) c660
(m-1
) Chlf (µg/L)
T
c660
Chlf
IL12 3 4 5 6 7 8 9
upper lake waters
evolving T stratification,
longitudinally variable
thickness (seiche activity)
Chlf extends deeper than
epilimnion
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Color Contour for Cayuga Lake:
June 25, 2013
1/15/2014 Upstate Freshwater Institute 9Distance from IL end (km)
0 10 20 30 40 50
5
10
15
20
25
30
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Depth
(m
) 5
10
15
20
25
30
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
0
5
10
15
20
25
30
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5
25.0
27.5
T (°C) c660
(m-1
) Chlf (µg/L)
T
c660
Chlf
IL12 3 4 5 6 7 8 9
distinct seiche patter for T,
thicker epilimnion at north
end
resuspension signal at
north end, high c660
variable Chlf longitudinally,
likely linked to seiche
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Color Contour for Cayuga Lake:
July 25, 2013
1/15/2014 Upstate Freshwater Institute 10Distance from IL end (km)
0 10 20 30 40 50
5
10
15
20
25
30
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Depth
(m
) 5
10
15
20
25
30
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
0
5
10
15
20
25
30
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5
25.0
27.5
T (°C) c660
(m-1
) Chlf (µg/L)
T
c660
Chlf
IL12 3 4 5 6 7 8 9
seiche activity, with piling of epilimnion at the south end
strong longitudinal structure in Chlf
elevated c660 in south surface waters
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Profiles for Cayuga Lake: Sep.
17, 2013
1/15/2014 Upstate Freshwater Institute 11
whole water column
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Longitudinal Patterns of
Phosphorus Species
study averages for
surface waters
highest at southern end
mostly associated with
PP
greatest variability at
southern end
mid-lake minima
1/15/2014 Upstate Freshwater Institute 12
TP
(µg
P/L
)
0
10
20
30
40
50
60
TD
P(µ
gP
/L)
0
10
20
30
40
50
Station IL 1 2 3 4 5 6 7 8 9
PP
(µg
P/L
)
0
10
20
30
40
50
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Longitudinal Patterns of
Phosphorus Species
study averages for
surface waters
veracity of this
partitioning yet to be
established
highest at southern end
greatest variability at
southern end for PP and
PIP
less spatial differnences
for POP
mid-lake minima
1/15/2014 Upstate Freshwater Institute 13
PP
(µg
P/L
)
0
10
20
30
40
50
PO
P(µ
gP
/L)
0
10
20
30
40
Station IL 1 2 3 4 5 6 7 8 9
PIP
(µg
P/L
)
0
10
20
30
40
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Longitudinal Patterns of
Phosphorus Species
study averages for
surface waters
highest at southern end
greatest variablility at
southern end
mid-lake minima
1/15/2014 Upstate Freshwater Institute 14
TD
P(µ
gP
/L)
0
3
6
9
12
15
DO
P(µ
gP
/L)
0
3
6
9
12
Station IL 1 2 3 4 5 6 7 8 9
SR
P(µ
gP
/L)
0
3
6
9
12
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Longitudinal Patterns of SD
study averages for
surface waters
highest at southern end
greatest variablility at
southern end
mid-lake minima
1/15/2014 Upstate Freshwater Institute 15
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Longitudinal Patterns of Chlf
study averages for
surface waters
highest at southern end
greatest variablility at
southern end
mid-lake minima
1/15/2014 Upstate Freshwater Institute 16
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60m Lake P data vs. LSCeff
season average
1/15/2014 Upstate Freshwater Institute 17
TP
(µg
P/L
)
0
5
10
15
20
TD
P(µ
gP
/L)
0
5
10
15
Station
LSCeff 3 4 5 6
PP
(µg
P/L
)
0
5
10
15
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60m Lake P data vs. LSCeff
1/15/2014 Upstate Freshwater Institute 18
season average
TD
P(µ
gP
/L)
0
3
6
9
12
15
DO
P(µ
gP
/L)
0
3
6
9
12
StationLSCeff 3 4 5 6
SR
P(µ
gP
/L)
0
3
6
9
12
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80m Lake P data vs. LSCeff
season average
1/15/2014 Upstate Freshwater Institute 19
TP
(µg
P/L
)
0
5
10
15
20
TD
P(µ
gP
/L)
0
5
10
15
Station
LSCeff 3 5
PP
(µg
P/L
)
0
5
10
15
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80m Lake P data vs. LSCeff
1/15/2014 Upstate Freshwater Institute 20
season average
TD
P(µ
gP
/L)
0
3
6
9
12
15
DO
P(µ
gP
/L)
0
3
6
9
12
StationLSCeff 3 5
SR
P(µ
gP
/L)
0
3
6
9
12
![Page 21: 2013 Trophic State · 2014. 2. 10. · for POP mid-lake minima 1 ... Tropic State Metrics Author: SueOD Subject: 2013 Tropic State Metrics Keywords: Cayuga, Lake, 2013, Tropic, State](https://reader036.vdocuments.mx/reader036/viewer/2022071407/60fedab44ecd6d6c000febb1/html5/thumbnails/21.jpg)
Frequent South
summer avg. (Jun-Sep.)
1/15/2014 Upstate Freshwater Institute 21