| The Ohio Sea Grant has released its latest edition of Twine Line, the quarterly newsletter that covers Great Lakes issues and focuses on work at The Ohio State University’s Stone Laboratory. The cover story takes a look at the research conducted on the invasive round goby and how the bottom-dwelling fish has impacted Lake Erie... Read more Posted in Lake Biology, Lake Chemistry, Lake Physics Tagged Great Lakes, Lake Erie, Ohio Sea Grant Leave a comment
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Author Archives: Dave Hochanadel
Ohio Sea Grant releases winter issue of Twine Line
Product Spotlight: SonTek Argonaut-SL
| Easily installed on a riverbank, bridge abutment, or other vertical structure, the low-profile SonTek Argonaut-SL (Side-Looking) current meter is ideal for many current monitoring applications. Argonaut current meters use sonar for precise water velocity flow measurements. The meter emits ultrasonic signals of known frequency into.. Read more Posted in Sensors and Technology Tagged current, current meter, Product Spotlight, SonTek Leave a comment
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Persistent organic pollutants’ influence on cortisol synthesis examined
| Persistent organic pollutants are best known for the influences they can have on sex hormones. But new research from Karin Zimmer at the Norwegian School of Veterinary Science investigates how these substances can also influence the adrenal cortex, which mediates stress responses. Zimmer’s research shows that persistent organic.. Read more Posted in Lake Biology, Lake Chemistry Tagged endocrine disruptors, food web, PCBs, persistent organic pollutants, research Leave a comment
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Coal-tar sealant is leading source of PAHs in urban lakes, according to USGS
| Coal-tar based pavement sealant is the leading source of polycyclic aromatic hydrocarbons (PAHs) in 40 urban lakes spanning the nation, according to research from the U.S. Geological Survey published this month. PAHs are a group of more than 100 chemicals that are produced when coal, oil and gas, garbage, or other organic substances.. Read more Posted in Lake Chemistry, Water Quality Tagged coal tar, PAHs, pollution, research, stormwater, USGS 1 Comment
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