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Phytoplankton monitoring in the Great Salt Lake (Utah, USA) using a combination of satellite and on-lake remote sensing

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Title: Phytoplankton monitoring in the Great Salt Lake (Utah, USA) using a combination of satellite and on-lake remote sensing


1
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,
USA 2Utah State University, Logan, UT,
USA 3United States Geological Survey, Salt Lake
City, UT, USA
2
  • 1. 2005-2006 synoptic surveys
  • 2. Remote sensing technique development
  • 3. Spatial temporal phytoplankton dynamics

3
  • 1. 2005-2006 synoptic surveys
  • 2. Remote sensing technique development
  • 3. Spatial temporal phytoplankton dynamics

4
Gunnison Bay
Gilbert Bay
Salt Lake City
10 km
5
Eutrophication --Ecology --Anoxia --Cyanotoxins --
Artemia..?
Nodularia bloom in Farmington Bay
6
2005-2006 Study Objectives
  • Understand spatial dynamics of phytoplankton
    populations of the Great Salt Lake
  • Assess impact of Farmington Bay eutrophication on
    larger Great Salt Lake

7
Limnology -Extracted chlorophyll -Secchi disk -In
vivo fluoresence (Chl a, Phc) -Salinity -Nitrogen
fixation -Phytoplankton -Zooplankton
8
Remote sensing -MODIS imagery -On-lake
reflectance -Extraction chlorophyll -CDOM
9
  • May 31June 3, 2005
  • 42 stations
  • May 17-May 21, 2006
  • 29 stations
  • June 20-23, 2006
  • 29 stations
  • Nov 29-Dec 2, 2006
  • 16 stations

10
  • May 31June 3, 2005
  • 42 stations 18 spectra
  • May 17-May 21, 2006
  • 29 stations 25 spectra
  • June 20-23, 2006
  • 29 stations 0 spectra
  • Nov 29-Dec 2, 2006
  • 16 stations 8 spectra

11
(No Transcript)
12
May 2005
10 km
13
  • 1. 2005-2006 synoptic surveys
  • 2. Remote sensing technique development
  • 3. Spatial temporal phytoplankton dynamics

14
Pigment data from lake collections
MODIS standard Chl algorithm
Great Salt Lake specific Chl algorithm
15
Synoptic surveys, 53 points
16
USGS monthly sampling sites
17
Monthly samples, 23 points
18
  • 1. 2005-2006 synoptic surveys
  • 2. Remote sensing technique development
  • 3. Spatial temporal phytoplankton dynamics

19
2006
20
2006
21
2006
22
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
23
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
24
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
25
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
26
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
27
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
28
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
29
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
30
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
31
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
32
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
33
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
34
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
35
2006
Chlorophyll a (ug/L)
Jul 1
Jun 9
Jun 7
Jun 5
Jun 11
Jun 13
Jun 15
Jun 17
Jun 19
Jun 21
Jun 23
Jun 25
Jun 27
Jun 29
36
Next steps
  • 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 algorithms
  • bottom influence on signal
  • phycocyanins - cyanobacteria
  • Future applications of RS method
  • Great Salt Lake
  • use chlorophyll maps with Artemia populations
  • use chlorophyll maps with hydrological modeling
  • Other Saline Lakes

37
Funding United States Geological Survey Utah
State University Utah Division of Wildlife
Resources Central Davis Sewer Improvement
District Project Lake Watch (NSF) New Hampshire
Space Grant Consortium
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
DallOlmo Creighton John Schalles
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