Quiz 2

Question 1

unsaturated zone above the water table

Answer 1

Vasose zone

Question 2

What is adhesion?

Answer 2

How water sticks to soil - soil particles & water have a charge.

Question 3

Hydraulic conductivity?

Answer 3

rate of water movement thru soil (cm/sec)

Question 4

What is porosity?

Answer 4

measure of empty spaces in soil

Question 5

Positive water potential means water will….

Answer 5

move on its own

Question 6

Negative water potential means water will….

Answer 6

require work to move

Question 7

Water always moves from _______ potential to ________ potential.

Answer 7

High to low

Question 8

Negative pressure creates a _______ that ______ water into a water depleted zone.

Answer 8

vacuum —– pulls

Question 9

Positive pressure is what you’ll find _______ the water table and is due to ______.

Answer 9

below —- gravity/weight/push

Question 10

Warmer water will move….

Answer 10

faster

Question 11

Direction & speed of water movement depends on….

Answer 11

water conditions

Question 12

The max amount of water that soil can retain against gravity is called?

Answer 12

field capacity

Question 13

Where is a perched aquifer?

Answer 13

above water table

Question 14

ET _____ Q ______ recharge

Answer 14

greater than —- much greater than

Question 15

What is enhanced denitrification?

Answer 15

Using microbes to change nitrate to N2

Question 16

What does hyporheic zone mean?

Answer 16

below river