Final Exam

Question 1

Head

Answer 1

Energy per unit weight of fluid

Question 2

Aquifer

Answer 2

Water-bearing formation that can transmit water

Question 3

Aquitard

Answer 3

Stratum less permeable than adjacent stratum

Question 4

Aquiclude

Answer 4

Impervious stratum

Question 5

Constant-Head Boundary

Answer 5

A body of water where the pressure head remains the same

Question 6

Unconfined Aquifer

Answer 6

an aquifer where the water table occurs within the aquifer layer

Question 7

Uniform Flow

Answer 7

When flow is relatively the same in all places.

Question 8

Sorption

Answer 8

Contaminant moves from the aqueous to the solid phase

Question 9

Longitudinal Dispersion

Answer 9

Dispersion in the direction of flow

Question 10

Transverse Dispersion

Answer 10

Dispersion perpendicular to the direction of flow

Question 11

θf

Answer 11

Field Capacity

Question 12

ϴ=Vw/V

Answer 12

Volume Water Content

Question 13

n

Answer 13

Porosity

Question 14

p/уw

Answer 14

Pressure Head

Question 15

Overland Flow

Answer 15

Moves over the top of the ground

Question 16

Interflow

Answer 16

Moves in ground towards body of water above GWT

Question 17

Infiltration

Answer 17

Goes into ground

Question 18

Unsaturated Zone

Answer 18

Above GWT all ground

Question 19

Recharge

Answer 19

Goes into GWT

Question 20

Saturated Zone

Answer 20

Area below GWT

Question 21

Ground Water Discharge

Answer 21

Water flowing into lake from under GWT

Question 22

What are Solid Lines

Answer 22

Steam lines/ Water Flow/ Pathlines

Question 23

What are Dashed Lines

Answer 23

Equipotentials/Head Contours

Question 24

What happens at the point where solid lines converge?

Answer 24

Water is pumping from one well to the other because one is pumping Q and the other is pumping -Q

Question 25

Whats happening where the solid lines diverge

Answer 25

The water is being pumped away from the one well and is being pumped in at the other well.

Question 26

Leaky Aquifer (Graph)

Answer 26

Has a regular line and a dotted line

Question 27

Unconfined Aquifer (Graph)

Answer 27

Has 2 dotted lines and 2 solid lines

Question 28

Theis Confined Aquifer (Graph)

Answer 28

Has only one solid line w/no dotted lines

Question 29

Steady State

Answer 29

No t in the derivative

Question 30

Unsteady State

Answer 30

t in the derivative

Question 31

Isotropic/Homogeneous

Answer 31

K has no direction

Question 32

Anisotropic/Heterogeneous

Answer 32

Kx,Ky, and Kz

Question 33

Recharge/Leakage

Answer 33

N is present

Question 34

LUST

Answer 34

Leaking Underground Storage Tank

Question 35

NAPL

Answer 35

Non-Aqueous Phase Liquid

Question 36

LNAPL

Answer 36

Light Non-Aqueous Phase Liquid

Question 37

DNAPL

Answer 37

Dense Non-Aqueous Phase Liquid

Question 38

Advection

Answer 38

Bulk flow of contaminant with ground water

Question 39

Mechanical Dispersion

Answer 39

Mixing or spreading of contamination due to fluid velocity variations

Question 40

Molecular Diffusion

Answer 40

Mixing or spreading of contamination due to random motions of molecules

Question 41

2 Types of Decay Reactions

Answer 41

1) Zero-Order | 2) First-Order

Question 42

Zero-Order

Answer 42

Concentration decreases at a constant rate

Question 43

First-Order

Answer 43

Concentration decreases at a rate proportional to the concentration

Question 44

Absorption

Answer 44

Incorporated into the bulk of something else

Question 45

Adsorption

Answer 45

Attached to a solid surface