shane bradt 1 , wayne wurtsbaugh 2 , david naftz 3 , timothy moore 1 , james haney 1
DESCRIPTION
Phytoplankton monitoring in the Great Salt Lake (Utah, USA) using a combination of satellite and on-lake remote sensing. Shane Bradt 1 , Wayne Wurtsbaugh 2 , David Naftz 3 , Timothy Moore 1 , James Haney 1. 1 University of New Hampshire, Durham, NH, USA - PowerPoint PPT PresentationTRANSCRIPT
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Phytoplankton monitoring in the Great Salt Lake (Utah, USA) using a combination of satellite
and on-lake remote sensing
Shane Bradt1, Wayne Wurtsbaugh2,
David Naftz3, Timothy Moore1, James Haney1
1University of New Hampshire, Durham, NH, USA2Utah State University, Logan, UT, USA3United States Geological Survey, Salt Lake City, UT, USA
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1. 2005-2006 synoptic surveys
2. Remote sensing technique development
3. Spatial & temporal phytoplankton dynamics
![Page 3: Shane Bradt 1 , Wayne Wurtsbaugh 2 , David Naftz 3 , Timothy Moore 1 , James Haney 1](https://reader035.vdocuments.us/reader035/viewer/2022062321/56813a71550346895da26a33/html5/thumbnails/3.jpg)
1. 2005-2006 synoptic surveys
2. Remote sensing technique development
3. Spatial & temporal phytoplankton dynamics
![Page 4: Shane Bradt 1 , Wayne Wurtsbaugh 2 , David Naftz 3 , Timothy Moore 1 , James Haney 1](https://reader035.vdocuments.us/reader035/viewer/2022062321/56813a71550346895da26a33/html5/thumbnails/4.jpg)
10 km
Bear River
Farmington Bay
Salt LakeCity
GilbertBay
GunnisonBay
Causeway
Causeway
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Eutrophication
--Ecology
--Anoxia
--Cyanotoxins
--Artemia..?
Nodularia bloom in Farmington Bay
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2005-2006Study Objectives
• Understand spatial dynamics of phytoplankton populations of the Great Salt Lake
• Assess impact of Farmington Bay eutrophication on larger Great Salt Lake
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Limnology-Extracted chlorophyll-Secchi disk-In vivo fluoresence (Chl a, Phc)-Salinity-Nitrogen fixation-Phytoplankton-Zooplankton
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Remote sensing-MODIS imagery-On-lake reflectance-Extraction chlorophyll-CDOM
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May 31–June 3, 200542 stations
May 17-May 21, 200629 stations
June 20-23, 200629 stations
Nov 29-Dec 2, 200616 stations
TOTAL STATIONS116
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May 31–June 3, 200542 stations – 18 spectra
May 17-May 21, 200629 stations – 25 spectra
June 20-23, 200629 stations – 0 spectra
Nov 29-Dec 2, 200616 stations – 8 spectra
TOTAL STATIONS116
TOTAL SPECTRA51
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Wavelength (nm)
400 450 500 550 600 650 700 750
Ref
lect
ance
0
1
2
3
4
5
6
7
8
Wavelength (nm)
400 450 500 550 600 650 700 750
Re
fle
cta
nc
e
0
2
4
6
8
10
12
Wavelength (nm)
400 450 500 550 600 650 700 750
Re
fle
cta
nc
e
0
2
4
6
8
10
Wavelength (nm)
400 450 500 550 600 650 700 750
Re
fle
cta
nc
e
0
2
4
6
8
10
12
10 km
May 2005
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1. 2005-2006 synoptic surveys
2. Remote sensing technique development
3. Spatial & temporal phytoplankton dynamics
![Page 14: Shane Bradt 1 , Wayne Wurtsbaugh 2 , David Naftz 3 , Timothy Moore 1 , James Haney 1](https://reader035.vdocuments.us/reader035/viewer/2022062321/56813a71550346895da26a33/html5/thumbnails/14.jpg)
Pigment data from lake collections
Great Salt Lake specific Chl algorithm
2 Jun 0518 May 05 7 Jun 05 9 Jun 05 14 Jun 05 17 Jun 0526 May 0513 May 058 May 05
MODIS “standard” Chl algorithm
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Synoptic surveys, 53 points
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USGS monthly sampling sites
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Monthly samples, 23 points
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1. 2005-2006 synoptic surveys
2. Remote sensing technique development
3. Spatial & temporal phytoplankton dynamics
![Page 19: Shane Bradt 1 , Wayne Wurtsbaugh 2 , David Naftz 3 , Timothy Moore 1 , James Haney 1](https://reader035.vdocuments.us/reader035/viewer/2022062321/56813a71550346895da26a33/html5/thumbnails/19.jpg)
Apr May Jun Jul Aug Sep Oct Nov Dec
2006
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Apr May Jun Jul Aug Sep Oct Nov Dec
2006
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Apr May Jun Jul Aug Sep Oct Nov Dec
2006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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0
5
10
15
20
25
30
35
40
Northwest
Northcentral
Northeast
Ch
loro
ph
yll a
(u
g/L
)
Ju
n 9
Ju
n 1
1
Ju
n 1
3
Ju
n 1
5
Ju
n 1
7
Ju
n 1
9
Ju
n 2
1
Ju
n 2
3
Ju
n 2
5
Ju
n 2
7
Ju
n 2
9
Ju
n 7
Ju
n 5
Ju
l 12006
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Chlorophyll detection on the GSL
Test GSL MODIS algorithm on other years
Look at other satellite options
MODIS land team, other MODIS algorithms, MERIS
Use spectra to develop new algorithmsbottom influence on signal
phycocyanins - cyanobacteria
Future applications of RS methodGreat Salt Lake
use chlorophyll maps with Artemia populations
use chlorophyll maps with hydrological modeling
Other Saline Lakes…
Next steps…
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We would also like to thank:
UNH: Janet Campbell, Mark Dowell
USU: Phillip Brown, Andrew, Johnson, Ashley Nielson, Sonja Raub, Kris Bell, Amy Marcarelli
USGS: Terry Kenney, David Allen, Cory Angeroth
CALMIT: Bryan Leavitt, Giorgio Dall’Olmo
Creighton: John Schalles
Funding:United States Geological Survey Utah State UniversityUtah Division of Wildlife Resources Central Davis Sewer Improvement District Project Lake Watch (NSF) New Hampshire Space Grant Consortium