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Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote Sensing and Citizen Science 26 September 2007 Wilson Salls ORISE Research Fellow U.S. EPA Office of Research and Development

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Page 1: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

Cyanobacteria Assessment Network (CyAN)

NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote Sensing and Citizen

Science 26 September 2007

Wilson Salls ORISE Research Fellow

U.S. EPA Office of Research and Development

Page 2: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

“Support the environmental management and public use of U.S. lakes and estuaries by providing a capability of detecting and quantifying algal blooms and related water quality using satellite data records.” • Create a standard and uniform approach to identify harmful algal blooms (HABs) • Develop information dissemination system • Understand connections between health, economic, and environmental

conditions to HABs

Source: Nicholas Aumen, USGS

Mission Statement and Objectives

Page 3: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

• Field validation data • Algorithm development • Algorithm evaluation • Landscape factors • Health effects • Economic benefits of early warning • Data dissemination

CyAN Work Products

Source: MERIS/NASA; processed by NOAA/NOS/NCCOS

Page 4: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

https://www.waterqualitydata.us/

In Situ Data

Page 5: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

In Situ Sampling: Spatial & Temporal Resolution

Percentage of lakes sampled by surface area.

Number of stations per lake and cumulative distribution per lake.

Number of in situ observations by year (top) and distribution of samples by month (bottom).

Example: Lake Temperature

Source: Iiames et al. (in prep.)

Page 6: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

Spatial Resolution

Source: Clark et al. 2017. Ecological Indicators. 80: 84-95.

30 m 90 m

300 m 900 m

Landsat 8 Operational Land Imager (OLI) Envisat MEdium Resolution Imaging Spectrometer (MERIS)

Page 7: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

Temporal Resolution

Page 8: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

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Source: Lunetta et al. 2015. Evaluation of cyanobacteria cell count detection derived from MERIS imagery across the eastern USA. RSE 157:24-34.

Validation

Page 9: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

CyanoHAB Spatial Extent

Source: Urquhart et al. 2017. Harmful Algae. 67: 144-152.

Residual variability (Y): Years required to indicate a cyanoHAB trend

Page 10: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

CyanoHAB Frequency

Source: Clark et al. 2017. Ecological Indicators. 80: 84-95.

Page 11: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

Drinking Water and Recreation Water Prioritization

Source: Clark et al. 2017. Ecological Indicators. 80: 84-95.

DW surface intake ranking

Individual lake ranking

Quartiles

Page 12: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote
Page 13: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

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• NASA SeaDAS • NOAA RS Tools

• ArcGIS Toolbox for data extraction from geoTIFFs • Contact Michelle Tomlinson for access:

michelle[dot]tomlinson[at]noaa[dot]gov

Tools

https://seadas.gsfc.nasa.gov/

Page 14: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

CyAN EPA Mobile Application

Source: Schaeffer et al. (In Review). Title: Cyanobacteria Assessment Network (CyAN) satellite mobile device application. Environmental Modelling & Software.

Page 15: Cyanobacteria Assessment Network (CyAN) - NASA Arset · 2017-09-20 · Cyanobacteria Assessment Network (CyAN) NASA ARSET Webinar Series Week 4: Large-Scale Monitoring Using Remote

Source: Schaeffer et al. (In Review). Title: Cyanobacteria Assessment Network (CyAN) satellite mobile device application. Environmental Modelling & Software.

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Thank you!

epa.gov/cyanoproject

[email protected]