Lake Valentine - Arden Hills, MN, Bethel University - 2005

Date
Time
Volunteer
TP (ml) sample
TKN (ml) sample
CLA (ml)
Secchi Disk Depth (m)
Surface Temp (C)
Air Temp (F)
Comments
4/17/05
11:00
Kistler
50
50
500
0.85
14.7
60
Strong rain 4-16-05 yellow brown color - dirty, potamogeton is starting to grow at surface, clear, light breeze
4/29/05
12:00
Kistler
50
50
1000
1.325
10.9
51
Mostly cloudy, lows have been in the upper 30s and highs in the 50s. Quite breezy. Clearer than the last sediment filled sample. Light yellow-brown color to water. Not much more plant development than last time
5/14/05
2:45
Kistler
50
50
1000
1.625
12.6
52.9
Mostly cloudy, but with a patch of sun over me while sampling. Windy, but calming down. Wind at 12K from the NW. Cool and rain almost all week. Nuphar - pond lilies out but water and magin mostly clear and clean.
5/30/05
3:00
Kistler
50
50
1000
2.74
21
76
Mostly clear, with a slight breeze. Potomogeton and Cerratophylum are growing quite a ways out from the shore and the water is very clear.
6/10/05
12:00
Kistler
50
50
1000
1.56
24.8
80.5
Calm, 50 clouds. Plant pieces floating near sample site with edge macrophytes starting to form a surface matt near the shore, but canoeing through was still easy. Water very clear.
8/15/05
12:30
Kistler
50
50
1000
1.4
25.3
78
Macrophytes in littoral zone extensive, but boatable
9/2/05
12:30
Kistler
50
50
500
0.67
21.7
71
Extensive matt of coontail, potomogeton, and matte blue green, water very yellow,brown. Windy last two days. Boating in edge very difficult.
9/27/05
12:30
Kistler
50
50
750
0.77
18.6
71
Rain and wind during the week, extensive coontail matte near shore.
10/15/05
12:30
Kistler
50
50
750
1.15
14.2
62.7
Clear and Breezy from the West. Water with a slight greenish cast. In gallon jug is yellow-clear.