Description
of Site: This site is closer to Roosevelt dam than RT1 and represents
the transition zone (the zone between the lacustrine and riverine zone)
of the Tonto Creek Arm of Roosevelt Lake.
GPS
Coordinates: 330 44.35
N 1110 11.83
W
7/19/99
Lake
Elevation: 2079.95 ft above sea level
Physico-chemical
Parameters
| Time | Depth (m) | Temp (C) | pH | SpCond | Salinity (ppt) | D.O. (%sat) | D.O. (mg/l) | Turbidity (NTU's) |
| 1338:50 | 0 | 30.16 | 8.83 | 1576 | 0.8 | 106.7 | 7.75 | 11.8 |
| 1338:24 | 1.4 | 27.56 | 8.64 | 1482 | 0.8 | 85.6 | 6.51 | 12.2 |
| 1338:04 | 3.2 | 27.31 | 8.52 | 1464 | 0.8 | 75.7 | 5.78 | 13.8 |
| 1337:34 | 4.8 | 27.18 | 8.48 | 1477 | 0.8 | 69.9 | 5.35 | 12.1 |
| 1337:04 | 6.6 | 26.26 | 7.91 | 1482 | 0.8 | 29.7 | 2.32 | 16 |
| 1336:33 | 8.3 | 25.48 | 7.81 | 1490 | 0.8 | 14.8 | 1.17 | 27 |
| 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 | 0.02 | ND | 0.66 | ND | 0.18 | 53.5 | 322 |
| 8.5 | 0.02 | 0.49 | 0.95 | ND | 0.26 | 53.5 | 322 |
| Depth (m) | Dissolved Fe (mg/l) | Dissolved Mn (mg/l) | Total Fe (mg/l) | Total Mn (mg/l) | Silica (mg/l) | TSS | DOC(mg/l) | TOC (mg/l) | UV254(cm-1) | Chl a (mg/m3) | Pheophytin a (mg/m3) |
| 0 | ND | ND | 0.24 | 0.037 | 16.6 | 4 | 3.32 | 3.5 | 0.069 | 8.38 | 6.496 |
| 8.5 | 0.069 | ND | 0.74 | 0.049 | 16.3 | 5.6 | ------------- | -------------- | -------------- | 3.216 | 2.36 |
Secchi Depth: 0.81 meters
Phytoplankton
| Division | Genus | Units/ml |
| Chlorophyta | Ankistrodesmus | 480 |
| Chlorophyta | Chlamydomonas | 400 |
| Chlorophyta | Chlorella | 80 |
| Chlorophyta | Golenkinia | 1520 |
| Chrysophyta | Cyclotella | 80 |
| Chrysophyta | Navicula | 320 |
| Chrysophyta | Nitzchia | 320 |
| Chrysophyta | Synedra | 80 |
Graphic
of:
Temp
by Depth
D.O.
by Depth
pH
by Depth
Turbidity
by Depth