| Weather
Conditions: |
Air
Temperature- Shaded, Open
Wind Speed- Kestrel Wind Meter, Beaufort Scale
Cloud Conditions
Precipitation- Evidence Only
Wind Direction- Flag |
| Turbidity: |
La
Motte tube- recorded JTU.
Sample taken from river in jar, then 25 mL placed in tube- Estimated
visually with Secchi icon card |
| Dissolved
Oxygen: |
D.O.
Tes-Tabs.
Water sample taken in bucket, small vial immersed, test tabe
disolved, sample color compared with after 5 minutes. |
| Nitrates: |
Nitrate Tes-Tabs.
Tabs dissolved in 5 mL water- wait minutes. Color chart compared,
average recorded.
|
| Phosphates: |
Phosphate Tes-Tabs.
Tab dissolved in 5 mL water from collection jar. Wait 5 minutes.
Sample color compared w/ phosphate color chart.
|
| Macro-invertebrates: |
Kicknet
used in flow of river. Samples collected. Students I.D. Pollution
index figured. Number of organisms and types recorded. |
| pH: |
Wide
range Tes-Tabs and pH microprocessor.
Test Tube 10 mL water, pH tes-tab dissolved, compared color
chart. Average recoded. |
| Density: |
Aquarium
hydrometer used. Density estimated. Average recorded. |
| Salinity: |
Salintest meter.
Average recorded.
|
| Current Speed: |
12 meters measured,
distance in current. Orange dropped and timed. Speed calculated.
Repeat 3 times. Average calculated. |
| Water Temp. |
Low Range Thermometer
held in water 4 inches below surface for one minute. Average
recorded. |
| Sediment Analysis |
Three samples taken-
edge, 5 meters from shore, bottom
Classified sediment sizing chart. |