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
6/19/00
Physico-chemical Parameters
Time | Depth (m) | Temp (C) | pH | SpCond | Salinity (ppt) | D.O. (% sat) | D.O. (mg/l) | Turbidity (NTU's) |
839:29 | -0.1 | 26.35 | 8.82 | 2121 | 1.2 | 103.1 | 8.24 | 2.2 |
830:38 | -27.5 | 12.09 | 7.99 | 1915 | 1.0 | 3.6 | 0.72 | 42.6 |
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) |
-0.1 | 0.08 | 0.14 | 1.0 | ND | 0.25 | 79 | 504 |
-27.5 | 0.08 | 0.26 | 2.0 | ND | 0.29 | 68.4 | 433 |
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) |
-0.1 | 0.017 | ND | 0.65 | ND | 16.8 | ND | 3.2 | 0.061 | 3.224 | 1.696 |
-27.5 | ND | 0.15 | ND | 0.02 | 16.5 | ND | ND | ND | ND | ND |
Secchi
Depth: 1.6m
Periphyton
-0.1m
Division | Genus | Units/ml |
Euglenophyta | Trachelomonas | 160 |
Chlorophyta | Chlamydomonas | 320 |
Chlorophyta | Scenedesmus | 240 |
Chlorophyta | Dictyosphaerium | 160 |
Chlorophyta | Quadrigula | 80 |
Chlorophyta | Tetraedron | 240 |
Chrysophyta | Dinobryon | 320 |