Cameron King, 11, lefts the secchi disk after measuring the clarity of the water at Lodi Lake on Thursday.
Cameron King, 11, uses an aqua-scope to watch the secchi disk as it is lowered into Lodi Lake on Thursday.
Kathy Grant, the Lodi Watershed Education Coordinator, dips the secchi disk into the middle of Lodi Lake as Bryce Elliot, 8, watches on Thursday. Every summer across North America bodies of water are measured for the depth and clarity of water during the Secchi Dip-In.
Kathy Grant, the Lodi Watershed Education Coordinator, dips the secchi disk into the middle of Lodi Lake to gauge the lake's clarity on Thursday.
The black-and-white secchi disk is lowered into Lodi Lake to measure the water's clarity on Thursday.
Posted: Friday, July 16, 2010 12:10 am
Updated: 8:18 am, Mon Jul 26, 2010.
For the past decade, Kathy Grant has annually taken a boat out
onto Lodi Lake to measure water transparency as part of a study to
monitor differences in waterways throughout the nation. This time
she reports Lodi Lake is the clearest its been since she
Grant, the Lodi Watershed Education Coordinator, is in charge of
assessing the water clarity of Lodi Lake and the Mokelumne River.
She drops an 8-inch black and white disk known as a Secchi into the
lake, recording the depth at which the disk is last visible before
it disappears into the water.
Friday, July 16, 2010 12:10 am.
Updated: 8:18 am.