Saguaro 3 (S3)

Description of Site: This site is representative of true lacustrine conditions.
GPS Coordinates: 330 34.03N   1110 31.23  W

11/9/99
Physico-chemical Parameters
 
Time Depth (m) Temp (C) pH SpCond Salinity (ppt) DO (% sat) DO (mg/l) Turbidity (NTU's)
1448:43 -0.1 13.56 8.40 1120 0.6 96.8 10.02 0
1448:10 -2.4 12.47 8.38 1097 0.6 92.2 9.77 1.4
1447:54 -4.3 12.39 8.33 1095 0.6 90.0 9.56 1.3
1447:41 -6.1 12.38 8.35 1095 0.6 90.1 9.58 1.3
1447:10 -8.0 12.37 8.34 1095 0.6 90.9 9.66 1.5
1446:51 -10.3 12.35 8.34 1094 0.6 90.5 9.62 1.5
1446:33 -12.1 12.35 8.34 1094 0.6 88.9 9.45 1.5
1445:57 -15.1 12.35 8.33 1094 0.6 91.3 9.71 1.5

 
Depth (m) Ammonia (mg/l) Nitrate (mg/l) Total Nitrogen (mg/l) Ortho P (mg/l) Total P (mg/l) Sulfate (mg/l) Chloride (mg/l) TOC DOC UV254
-0.1 0.08 0.12 1.4 ND 0.03 55.8 301 3.65 4.04 ----------------
-12.1 0.05 0.12 1.1 ND 0.02 54.8 308 ----------------- ----------------- ----------------
-15.1 0.05 0.14 0.84 ND 0.04 54.6 298 ---------------- ----------------- ----------------

 
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)
-0.1 0 0 0.048 0 15.6 0 1.0 0.896
-8.9 0 0 0.063 0.012 15.8 0 ------------------- -------------------
-16.2 0.012 0 0.069 0.013 15.4 0 ------------------- --------------------

Secchi Depth:  2.25 meters

Phytoplankton
-0.1 m
Division Genus Units/ml
Cyanophyta Lyngbya 160
Chlorophyta Crucigenia 240
Chlorophyta Chlamydomonas 80
Chlorophyta Chlorella 240
Chlorophyta Thoracomonas 160
Chrysophyta Synedra 160

  Results from 9/29/99