Description
of Site: This site is approximately 400 meters in front of (to
the East of) Roosevelt Dam. It represents true lacustrine conditions.
GPS Coordinates:
330
40.83
N 1110
09.28
W
1/5/00
Physico-chemical Parameters
| Time | Depth (m) | Temp (C) | pH | SpCond | Salinity (ppt) | D.O. (% sat) | D.O. (mg/l) | Turbidity (NTU's) |
| 1045:30 | -0.4 | 10.82 | 8.35 | 1271 | 0.7 | 79.8 | 8.78 | 5.3 |
| 1044:57 | -1.5 | 10.73 | 8.34 | 1266 | 0.7 | 79.3 | 8.74 | 6.9 |
| 1044:30 | -3.2 | 10.68 | 8.34 | 1263 | 0.7 | 79.5 | 8.77 | 6.9 |
| 1044:11 | -4.9 | 110.68 | 8.34 | 1263 | 0.7 | 79.5 | 8.77 | 6.9 |
| 1043:49 | -6.7 | 10.67 | 8.33 | 1262 | 0.7 | 79.4 | 8.77 | 7.0 |
| 1043:33 | -8.4 | 10.67 | 8.33 | 1263 | 0.7 | 79.4 | 8.76 | 7.0 |
| 1042:52 | -10.1 | 10.68 | 8.33 | 1263 | 0.7 | 79.6 | 8.78 | 6.9 |
| 1042:18 | -11.8 | 10.67 | 8.33 | 1263 | 0.7 | 79.6 | 8.79 | 7.3 |
| 1041:53 | -13.5 | 10.65 | 8.34 | 1260 | 0.7 | 80.4 | 8.88 | 8.7 |
| 1041:35 | -15.1 | 10.59 | 8.34 | 1252 | 0.7 | 80.6 | 8.91 | 9.7 |
| 1041:15 | -16.7 | 10.52 | 8.35 | 1246 | 0.7 | 81.0 | 8.97 | 10.1 |
| 1040:42 | -18.4 | 10.47 | 8.35 | 1243 | 0.7 | 81.7 | 9.05 | 10.3 |
| 1040:26 | -20.1 | 10.46 | 8.35 | 1241 | 0.7 | 81.9 | 9.09 | 11.0 |
| 1040:01 | -21.8 | 10.42 | 8.35 | 1235 | 0.7 | 82.3 | 9.13 | 14.4 |
| 1039:35 | -23.5 | 10.36 | 8.34 | 1239 | 0.7 | 81.7 | 9.08 | 15.9 |
| 1039:06 | -25.1 | 10.37 | 8.34 | 1240 | 0.7 | 81.1 | 9.02 | 15.6 |
| 1038:22 | -26.6 | 10.81 | 8.23 | 1374 | 0.7 | 69.7 | 7.66 | 14.4 |
| 1038:02 | -28.4 | 10.85 | 8.22 | 1389 | 0.7 | 68.8 | 7.55 | 15.6 |
| 1037:16 | -30.1 | 10.79 | 8.18 | 1395 | 0.7 | 66.6 | 7.32 | 23.4 |
| 1036:31 | -31.4 | 10.44 | 8.16 | 1401 | 0.7 | 67.4 | 7.47 | 36.0 |
| Depth (m) | Ammonia (mg/l) | Nitrate (mg/l) | TKN (mg/l)) | Ortho P (mg/l) | Total P (mg/l) | Sulfate (mg/l) | Chloride (mg/l) |
| -0.4 | 0 | 0.25 | 0.64 | ND | 0.05 | 65.8 | 423 |
| -23.5 | 0.02 | 0.23 | 0.72 | ND | 0.06 | 65.7 | 420 |
| Depth (m) | Dissolved Fe (mg/l) | Dissolved Mn (mg/l) | Total Fe (mg/l) | Total Mn (mg/l) | Silica (mg/l) | TSS | TOC (mg/l) | UV254 | Chl a (mg/m3) | Pheophytin a (mg/m3) |
| -0.4 | 0.059 | 0.03 | 0.17 | 0.032 | 17.8 | 0 | 4.52 | 0.071 | 1.348 | 0.884 |
| -23.5 | 0.049 | 0 | 0.26 | 0.038 | 17.8 | 0 | -------------- | -------------- | --------------- | ----------------- |
Secchi Depth: 2.7 meters
Phytoplankton
-0.4 Meters
| Division | Genus | Units/ml |
| Cyanophyta | Spirulina | 80 |
| Chlorophyta | Ankistrodesmus | 160 |
| Chlorophyta | Crucigenia | 80 |
| Chlorophyta | Thoracomonas | 80 |
| Chlorophyta | Carteria | 80 |
| Chlorophtya | Cosmarium | 240 |
| Chrysophyta | Cyclotella | 80 |