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The South Dakota Discovery Center is issuing a call for water transparency data from lakes, streams, rivers, ponds in South Dakota using a turbidity (or transparency) tube, often referred to as a t-tube since both transparency and turbidity start with the letter t. The t-tube is a simple instrument. It is a tall, transparent tube of at least 120 centimeters that is marked off in...
Every year, I offer a field based professional learning opportunity (PLO) for educators. This year's PLO was Exploring Badlands National Park through Science and Storytelling held June 18-21 in South Dakota. Nine educators spent one day in class and three days and two nights in Badlands National Park doing hydrology field studies using GLOBE protocols (water temperature, water...