Lake Valentine - Arden Hills, MN, Bethel University - 2006
Date
Time
Volunteer
TP (ml) sample
TKN (ml) sample
CLA (ml)
Secchi Disk Depth (m)
Surface Temp (C)
Air Temp (C)
Comments
4/22/06 1:00 Kistler 50 50 750 1.13 14.9 15.6 Warm winter, fishers out on lake, clear, no macrophytes yet. water fairly clear with a slight yellowish color. Slight breeze, mostly cloudy with a few patches of sun.
5/2/06 1:30 Kistler 50 50 1000 2.135 18 15.9 Clear, warm, sunny. Rain the last three days has brought the lake level up beyond the end of the dock, up about 6 inches. Coontail still about .5 m below the surface and the water was very clear.
5/17/06 12:00 Kistler 50 50 1000 2.2 16.7 19.3 Breezy, warm, coontail is still down in the water allowing easy canoeing over the plants. The water is still very clear.
6/3/06 1:00 Kistler 50 50 1000 1.37 26.4 26.3 Slight warm breeze from the SE. Canoeing becoming more difficult as the algae and coontail mat become thicker out to 50 feet from the Dock and then tapering into the depths.Excessively warm the last 2 weeks.
6/15/06 12:30 Kistler 50 50 1000 1.66 22.4 25.7 SE Slight breeze, extensive vegetation mat near shore by the dock.
8/7/06 11:30 Kistler 50 50 1000 2.045 25.9 23.3 Major rain in the last week following very hot and dry period. Lake level down and Ceratophyllum and Nuphar make up a mat about 40 feet out from the dock and the rim of the lake all around.
8/21/06 12:30 Kistler 50 50 1000 2.65 24.3 27.1 Clear, very slight NW breeze, coontail covers about 40% of the lake surface, around margins and into middle in spots, water very clear with bits of plant floating here and there.
9/8/06 12:30 Kistler 50 50 1000 1.65 21.3 16.9 Cloudy day, macrophyes declining to just around edge and sinking so that canoeing is much easier. Water still very clear, but somewhat yellow.
9/23/06 12:30 Kistler 50 50 750 1.04 14.6 17.1 Rain last week. Macrophytes, Ceratophyllum and Nuphar to 20 feet out from shore and receding rapidly as the T cools.
10/7/06 12:30 Kistler 50 50 1000 1.26 15.1 23.8 Macrophytes have declined significantly, but still a band to about 20 feet out from shore.