Roosevelt in Front of Dam (RD)

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

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)
1112:31 -0.1 11.50 8.65 1299 0.7 97.2 10.53 2.4
1111:34 -2.5 11.19 8.60 1291 0.7 92.9 10.13 2.8
1111:12 -4.2 11.03 8.53 1289 0.7 88.2 9.65 3.1
1110:50 -5.9 10.87 8.49 1291 0.7 85.8 9.43 3.3
1110:26 -7.6 10.85 8.47 1294 0.7 84.9 9.33 3.3
1110:08 -9.3 10.81 8.45 1291 0.7 84.1 9.25 3.2
1109:40 -11.0 10.73 8.45 1280 0.7 84.1 9.27 3.3
1109:06 -12.8 10.66 8.38 1275 0.7 79.4 8.76 4.7
1108:41 -14.5 10.59 8.26 1298 0.7 72.6 8.03 6.2
1108:03 -16.2 10.71 8.23 1332 0.7 69.7 7.68 7.7
1107:32 -18.0 10.46 8.11 1326 0.7 60.9 6.75 9.71
1107:07 -19.6 10.50 8.09 1353 0.7 59.3 6.57 10.3
1106:01 -23.3 10.41 8.0 1372 0.7 52.4 5.82 14.3
1105:31 -25.1 10.57 7.97 1431 0.8 46.8 5.18 13.7
1105:00 -27.1 10.38 7.97 1414 0.8 49.1 5.45 13.3
1104:31 -28.9 10.36 7.95 1436 0.8 46.8 5.19 15.0
1103:54 -30.7 10.36 7.93 1443 0.8 44.5 4.94 35.3
1103:10 -32.3 10.38 7.90 1458 0.8 38.7 4.30 37.2

 
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)
-0.1 0 0.2 1.8 ND 0.09 64.2 384
-27.1 0 0.3 2.2 ND 0.08 76.0 446

 
 
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 0 0.062 0.016 17.1 0 2.86 0.0572 1.356 0.8
-27.1 0.061 0.035 0.33 0.061 17.6 0 -------------- -------------- --------------- -----------------

Secchi Depth: 2.32 meters

Phytoplankton
-0.1 Meters
Division Genus  Units/ml
Chrysophyta Ochromonas 160
Euglenophyta Lepocinclus 240
Chlorophyta Chlamydomonas 320
Cyanophta Aphanothece 160
Chlorophyta Coccomonas 480
Chlorophtya Chlorella 400
Chlorophyta Platymonas 240
Pyrrophyta Gymnodinium 240
Chlorophyta Scenedesmus 240
Chlorophtya Polytoma 160
Chrysophyta Diachros 320

  Results from 1/5/00