Roosevelt/Tonto 2 (RT2)

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

2/7/00

Physico-chemical Parameters
Time Depth (m) Temp (C) pH SpCond Salinity (ppt) D.O. (%sat) D.O. (mg/l) Turbidity (NTU's)
1226:37 -0.1 11.98 8.59 1312 0.7 90.7 9.71 10.0
1226:12 -2.5 10.57 8.53 1266 0.7 87.6 9.69 6.7
1225:38 -4.5 10.52 8.51 1265 0.7 86.2 9.54 9.5
1225:07 -6.4 10.48 8.44 1265 0.7 82.8 9.18 44.4
1224:24 -8.5 10.43 8.34 1254 0.7 75.9 8.42 85.2

 
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 0.19 1.7 ND 0.08 64.1 401
-6.4 0.12 0 1.9 ND 0.1 64.8 407

 
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 0.033 0.011 0.13 0.025 16.9 0 2.53 1.37
-6.4 0.06 0.011 0.25 0.032 17.1 0 ---------------- ----------------

Phytoplankton
-0.1 meters
Division Genus Units/ml
Chlorophyta Platymonas 400
Chlorophyta Chlamydomonas 320
Chlorophtya Coccomonas 580
Chrysophyta Diachros 480
Chrysophyta Cyclotella 160
Chrysophyta Pinnularia 320
Cyanophyta Anabaenopsis 80
Pyrrophyta Gymnodinium 800
Euglenophyta Phacus 240
Euglenophyta Trachelomonas 720
Euglenophyta Euglena 160

Results from 1/5/00