Physical Characteristics
Chemical Characteristics
Applications of photosynthesis and cellular respiration
SR study design
WQI
100
It is an increased amount of suspended materials in the water, which results in cloudiness in the water, which then causes water to absorb more of the sun's energy.
What is turbidity? F/U ? What other effects can increased turbidity have on aquatic system?
100
It consumes water and carbon dioxide and releases oxygen and carbohydrates.
What is photosynthesis? F/U? What does it? Why does it and cellular respiration explain why DO levels peak at midday and decrease at night?
100
Because initially the living algae in the algae bloom are performing a lot of photosynthesis.
Why is there an initial spike in DO, before the dramatic fall in DO, during the process of cultural eutrophication?
100
How does our campus effect water quality at Stony Run?
What is our question for our study?
100
It gives a quality rating based on data from tests of physical and chemical characteristics of water.
What is a Q value?
200
As it increases, water's ability to dissolve gasses decreases.
What is temperature? F/U ? Why does increased temperature have that effect?
200
It consumes oxygen and carbohydrates and releases energy water and carbon dioxide.
What is cellular respiration? F/U? What does it?
200
They both consume oxygen and high energy carbon, oxygen and hydrogen bonds and release carbon dioxide and energy.
Why are combustion and cellular respiration similar?
200
1) Site location. 2) passage of time.
What are "like" the independent variables for our study?
200
Because water temperature affects water's ability to dissolve oxygen.
Why is DO the only WQI test that requires 2 steps to calculate a Q value?
300
1) Algae. 2) Sediment.
What are the two main suspended materials that cause increased turbidity? F/U? What are some processes that can lead to an increase in the water of these suspended materials?
300
Too much of it in the water leads to excess decomposition and therefore cellular respiration.
What is organic matter? F/U? What are some sources of organic matter in the water?
300
Since the industrial age (1800's), we have been burning more fossil fuels.
What have yearly averages of atmospheric carbon dioxide levels increased dramatically and unprecedentedly during the last two hundred years?
300
1) Data from tests of physical characteristics of Stony Run (temperature & turbidity). 2) Data from tests of chemical characteristics of Stony Run (DO, nitrates, BOD, TDS). 3) benthic biodiversity. 4) site observations.
What are the specific dependent variables for our study of water quality at Stony Run? F/U ? What is our DV generally for our study?
300
The amount of DO in a water sample compared to the maximum amount of DO that is possible for a water sample to hold at a given temperature.
What is percent saturation?
400
It measures the motion of molecules.
What does temperature measure?
400
It measures the amount of DO consumed in a water sample over the course of five days in the dark.
What is BOD (Biochemical Oxygen Demand)? F/U? How is it measured? What is a high BOD reading an indication of? Why?
400
Synthetic fertilizers from industrial farming, lawn care and golf courses. 1) Excessive manure from animal husbandry. 2) Pet waste. 3) Wastewater treatment facilities not equipped to filter out nitrates.
What are landuses that lead to cultural eutrophication
400
1) Methods. 2) Time of testing. 3) Common understanding of location of each study site.
What are the constants for our study of water quality at Stony Run?
400
1) Gives a snapshot of short-term water quality. 2) Can give information about possible causes of water quality.
What kind of information do we get from using tests of physical and chemical characteristics of water quality and the WQI (water quality index) to assess water quality?
500
When the temperature of a stream changes dramatically.
What is thermal pollution? F/U? What are some causes of thermal pollution?
500
1) Turbulence. 2) Temperature. 3) Living Things. 4) Organic Pollution.
What things effect DO levels in water?
500
There is less photosynthesis to consume carbon dioxide in the northern hemisphere, which has a greater landmass than the southern hemisphere.
Why do atmospheric carbon dioxide levels increase during winter in the northern hemisphere?
500
They establish a baseline for water quality before Stony Run water arrives at our campus, and are the upstream sites for our study.
What is the control for our study of water quality at Stony Run?
500
1) Gives information on how water quality affects living things. 2) Gives a long-term picture of water quality.
What kind of information do we get from using the PTI (Pollution Tolerance Index), ie benthic data, to assess water quality?
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