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Jul 16, 2024 · In the early 2000s, scientists from NOAA’s Great Lakes Environmental Research Laboratory (GLERL) teamed up with Canadian researchers to deploy buoys with sensors to monitor the presence of offshore hypoxic zones – areas of the lake with very little dissolved oxygen – in Lake Erie. This effort became the foundation for a new area of research at GLERL, one that has ultimately led to an ...
- Lake Erie Hypoxia Forecast
The Experimental Lake Erie Hypoxia forecast is updated...
- Lake Erie Hypoxia Forecast
Oct 23, 2020 · The Experimental Lake Erie Hypoxia forecast is updated daily, and uses a hydrodynamic model and weather forecast data to predict the location and movement of hypoxic bottom water up to five days in advance. Hypoxia is a condition of low dissolved oxygen (< 2 mg/L) that can be harmful to aquatic life. Hypoxic upwelling events along the coast can ...
Oct 22, 2024 · The central basin of Lake Erie provides drinking water to more than 2 million people along the Ohio coast. In the summer, the lake stratifies, with warm water on the top and cold, dense, deep water below. Oxygen in this deep water is used up, resulting in low oxygen, or hypoxia. This hypoxic environment is typically inhospitable to many animals.
Jul 9, 2024 · Lake Erie now benefits from an advanced hypoxia forecast model, designed to help water treatment plants manage water quality more effectively. This new tool provides real-time predictions of dissolved oxygen levels, giving treatment facilities the information they need to adapt their processes and ensure safe, high-quality drinking water. Lake Erie’s central basin, a vital drinking
Oct 28, 2024 · Even underwater, oxygen is essential for life and so hypoxic bottom water regions are often referred to as "dead zones." Hypoxia is bad news for lake whitefish that prefer the cold bottom water of Lake Erie. But, while the cyanobacteria in algal blooms thrive in fertile, nutrient-rich waters, so too do the plankton that feed the lake's larger fish.
Oct 28, 2024 · Nutrient-rich runoff water from fields helps fuel the infamous algal blooms in Lake Erie—as well as, for example, in the northern Gulf of Mexico and Chesapeake Bay. When the algae and cyanobacteria in those blooms die, they sink to the bottom of the water and decompose, consuming enough oxygen in the process to render the water hypoxic.
Sep 14, 2021 · While the hypoxic water generally stays near the lake floor, changes in wind and water currents can create upwelling events, in which this zone of low oxygen is brought to the surface along the coast. Once it creeps into shallower parts of the lake, hypoxic water can upset drinking water treatment processes at water intakes along the shoreline.
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