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CGLL stands for the Center for Great Lakes Literacy.  Check out their website for great resources, Great Lakes Literacy Principles, and learning opportunities-- https://www.cgll.org/

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My watershed includes
all of the land, air, surface and groundwater, plants and animals, hills and valleys, cities and farms and people, including their stories and traditions.

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Lake Erie--working onboard the R/V Lake Guardian

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Using the Hydrolab to Collect Water Quality Data

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Using the Hydrolab to Collect Water Quality Data

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Students and I are getting ready to use the Hydrolab in the Rocky River, in North Olmsted, Ohio (which flows into Lake Erie).

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I have students collect water quality data throughout the year.  We collect it ourselves, using the Hydrolab from the Limno Loan program ( http://limnoloan.org/). We also compare data collected by NGSS and the EPA from other sondes/buoys throughout Lake Erie and our surrounding rivers. Once we've collected, graphed, and analyzed the data, we begin to understand the story that our water is telling us--using the language of math :)

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Information about current HABs and the forecast for the year can be found at the following link: https://coastalscience.noaa.gov/research/stressor-impacts-mitigation/hab-forecasts/lake-erie/

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NOAA provides forecasts for seasonal blooms of cyanobacteria (blue-green algae) in Lake Erie, typically from July to October when warmer water creates favorable bloom conditions. Western Lake Erie has been plagued by an increase of HABs intensity over the past decade. These blooms consist of cyanobacteria or blue-green algae, which are capable of producing toxins that pose a risk to human and animal health, foul coastlines, and impact communities and businesses that depend on the lake. A combination of satellite image (for bloom location and extent), a forecasting and mixing model provide information on the current status of the bloom, forecasted position both at the surface and at depth, and toxicity from field samples. See individual products and our FAQs for more information.

(from most recent satellite image)

(from modelling)

Vertical Mixing Forecast

2021 Western Lake Erie Projections
The early season projection estimates bloom severity based on Maumee River discharge and modeled phosphorus loads. It is issued weekly from May until the seasonal forecast is announced. The final seasonal assessment will be completed by November 2021.
2021 Lake Erie Seasonal Forecast Event
The official seasonal forecast for Lake Erie will be announced on June 30 during a live webinar hosted in collaboration with Ohio Sea Grant.

Additional Resources For other data on Lake Erie HABs, visit one of these websites:
For safety information on these blooms, visit the Ohio EPA website.

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NOAA provides forecasts for seasonal blooms of cyanobacteria (blue-green algae) in Lake Erie, typically from July to October when warmer water creates favorable bloom conditions. Western Lake Erie has been plagued by an increase of HABs intensity over the past decade.

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If I could spend the rest of my life on one body of water, I would have to say Lake Erie. I live on an island located in Lake Erie that is accessible only by ferry, private boat, or plane. I love that we have year-round fishing and plenty of fun water-related activities.

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I've had the opportunity to use the Hydrolab in my classes. It's a great learning tool that allows students to collect real-time data about their local waterways.

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Boats and boating--Equipment and supplies