The Secchi Disk is a 12-inch black and white plate attached to a rope or chain and lowered into a body of water until it is no longer visible. The depth at which the disk can no longer be seen is ...

On Secchi Day, a platoon of volunteers head out on the lake to spots they are assigned. They sink a Secchi disk into the water until it can no longer be seen. The disk is attached to a cord that is ...

INCLINE VILLAGE, Nev. — UC Davis Tahoe Environmental Research Center next week will be celebrate Father Angelo Secchi’s 203rd birthday. To honor him, TERC has declared Tuesday, June 29, to be Secchi ...

CONNECTED TO THE VATICAN. I THINK THAT THE SKI DISC IS A REALLY VALUABLE TOOL BECAUSE IT’S SO EASY FOR PEOPLE TO UNDERSTAND THIS TEN INCH WHITE PLATE HAS A SIMPLE DESIGN. KNOWN GLOBALLY AS THE SKI ...

Lower your Secchi Disk until the line goes slack (disk hits bottom). Retrieve the line until all slack is removed. Read depth on line at lake surface. Record this bottom depth on your lake field sheet ...

One of the standardized measurements taken at all CARICOMP Caribbean monitoring sites is water turbidity, an indicator of water quality. Decreases in visibility were most likely where human ...

Fishermen in South Devon, UK, have turned their boats into "massive data platforms" for a citizen science study. They have become the first commercial fishers to gather data for the Secchi Disk Study, ...