Description
of Site: This site represents the transitional zone of Apache Reservoir
between lacustrine and riverine conditions.
GPS
Coordinates: 330 39.17
N 1110
11 .27 W
7/20/99
Physico-chemical
Parameters
Lake
Elevation: 1912.76 ft above sea level
| Time | Depth (m) | Temp (C) | pH | SpCond | Salinity (ppt) | D.O. (% sat) | D.O. (mg/l) | Turbidity (NTU's) |
| 0625:59 | 0 | 25.88 | 8.74 | 1350 | 0.7 | 96.9 | 7.6 | 0 |
| 0625:43 | 1.8 | 25.46 | 8.7 | 1345 | 0.7 | 95 | 7.49 | 0 |
| 0625:19 | 3.6 | 25.12 | 8.64 | 1331 | 0.7 | 90 | 7.16 | 0 |
| 0624:47 | 5.6 | 20.52 | 8.07 | 1208 | 0.6 | 60.4 | 5.24 | 0 |
| 0624:19 | 5.7 | 20.35 | 8 | 1205 | 0.6 | 55.1 | 4.8 | 0 |
| 0624:05 | 6 | 20.06 | 7.96 | 1196 | 0.6 | 52.7 | 4.62 | 0 |
| 0623:37 | 7.7 | 19.47 | 7.81 | 1180 | 0.6 | 42 | 3.73 | 0 |
| 0623:04 | 9.4 | 18.96 | 7.7 | 1168 | 0.6 | 32.8 | 2.94 | 0 |
| 0622:33 | 11.5 | 18.42 | 7.64 | 1156 | 0.6 | 23.2 | 2.1 | 0.1 |
| 0622:07 | 13.3 | 18.17 | 7.62 | 1149 | 0.6 | 19.7 | 1.79 | 1.3 |
| 0621:50 | 15.1 | 17.96 | 7.63 | 1143 | 0.6 | 19.5 | 1.78 | 2.3 |
| 0621:32 | 16.8 | 17.83 | 7.64 | 1140 | 0.6 | 19.7 | 1.8 | 3.9 |
| 0621:12 | 18.5 | 17.67 | 7.64 | 1136 | 0.6 | 19.5 | 1.79 | 5.5 |
| 0620:53 | 20.3 | 17.57 | 7.64 | 1134 | 0.6 | 19.5 | 1.8 | 6.4 |
| 0620:37 | 22.1 | 17.48 | 7.64 | 1127 | 0.6 | 19.1 | 1.76 | 7.5 |
| 0620:14 | 23 | 17.44 | 7.64 | 1130 | 0.6 | 19.1 | 1.76 | 10.4 |
| 0619:55 | 24.6 | 17.32 | 7.63 | 1127 | 0.6 | 18.1 | 1.68 | 12.9 |
| 0619:33 | 26.1 | 17.2 | 7.62 | 1125 | 0.6 | 16.9 | 1.57 | 14.1 |
| 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 | 0.04 | 0.12 | 0.65 | ND | 0.023 | 53.1 | 294 |
| 6 | 0.15 | ND | 0.65 | ND | 0.041 | 53.3 | 294 |
| 27 | 0.16 | 0.12 | 0.65 | ND | 0.072 | 50.9 | 289 |
| Depth (m) | DIssolved Fe (mg/l) | Dissolved Mn (mg/l) | Total Fe (mg/l) | Total Mn (mg/l) | Silica (mg/l) | TSS | Chl a (mg/m3) | Pheophytin a (mg/m3) |
| 0 | ND | ND | 0.019 | ND | 15.4 | 0.8 | 3.316 | 2.32 |
| 6 | 0.115 | 0.012 | 0.072 | 0.01 | 15.3 | 1.6 | 3.844 | 2.208 |
| 27 | 0.078 | 0.045 | 0.25 | 0.074 | 16.1 | 3.6 | 1.048 | 0.732 |
Secchi Depth: 2.84 meters
Phytoplankton
0.5 m
| Division | Genus | Units/ml |
| Cyanophyta | Anabaenopsis | 80 |
| Chlorophyta | Cateria | 560 |
| Chlorophyta | Spirogyra | 80 |
| Chrysophyta | Amphora | 80 |
| Chrysophyta | Cyclotella | 400 |
| Chrysophyta | Nitzchia | 80 |
| Chrysophyta | Synedra | 240 |
| Eugleophyta | Euglena | 80 |
6 m
| Division | Genus | Units/ml |
| Chlorophyta | Carteria | 960 |
| Chrysophyta | Cyclotella | 880 |
| Chrysophyta | Nitzchia | 320 |
| Pyrrophyta | Gloeodinium | 80 |
Graphic
of:
Temp
by Depth
D.O.
by Depth
pH
by Depth
Turbidity
by Depth