You need to use graph to get % saturation and then use the table to work out the DO Level quality (See PowerPoint on Ecosystem Page or Vernier DO worksheet under Abiotic Factor page)
Sample
Group
DO Reading mg/L
Tempersature dergree celcius
Description
1
Upstream
6.9
11.8
Still water
2
Down stream
6.8
11.8
Flowing
3
4
5
Flow Rate for deeper water 0.125 m/s
You may have recorded the following using an app:
Recorded from Melbourne Airport Air Temperature: 11.2 Humidity: 52% Pressure: Wind Direction and Speed: Rain: Showers
Data collected back in the lab at school
Water Turbidity and pH collected from samples on September 2, 2014
Abiotic Data Collected on the day
September 2, 2014Time 1.00 p.m - 2.30 p.m.
Dissolved Oxygen Levels
You need to use graph to get % saturation and then use the table to work out the DO Level quality (See PowerPoint on Ecosystem Page or Vernier DO worksheet under Abiotic Factor page)dergree celcius
You may have recorded the following using an app:
Recorded from Melbourne Airport
Air Temperature: 11.2
Humidity: 52%
Pressure:
Wind Direction and Speed:
Rain: Showers
Data collected back in the lab at school
Water Turbidity and pH collected from samples on September 2, 2014NTU