Practice Resuspension And Measurement Of Fluxes (3) - Soil – Air Transfer

Practice: Resuspension and Measurement of Fluxes

Lesson 3Soil – Air Transfer

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8 questions

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6 sample questions

Question 1.
Define sediment resuspension in your own words.
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Think about the forces at play, like water flow.
Question 2.
What is meant by flux in environmental science?
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Consider the flow of materials over a surface.
3Question 3.
What is sediment resuspension?
- A process of sediment being pushed deeper
- The lifting of sediment into the water column
- Settling of sediment
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Consider how sediment can interact with moving water.
4Question 4.
The closed volume method is used to:
- True
- False
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Think about how we can isolate a system to obtain accurate data.
Question 5.
Calculate the average flux of a contaminant if 200 milliliters of water with 5 parts per million (ppm) of the contaminant is collected over a period of 2 hours from a defined area of 1 square meter.
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Remember to convert units where necessary.
Question 6.
Discuss the implications of using a closed volume method in a highly biodiverse area and its impact on results.
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Consider what happens to organisms and sediment dynamics when you disrupt their habitat.

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