Keywords G

Question 1

canal

Answer 1

human made waterway

Question 2

Watershed or Drainage Basin,

Answer 2

an area drained by a river and its tributaries

Question 3

reliable surface Runoff

Answer 3

surface runoff of water that generally can be counted on as a stable source of water from year to year

Question 4

percolates

Answer 4

filter gradually through a porous surface or substance

Question 5

cone of depression

Answer 5

the water table level around a well has a sort of cone shape

Question 6

sinkholes

Answer 6

it is a depression or hole in the ground caused by some from of collapse of the surface layer

Question 7

Water Footprint

Answer 7

This is what shows the extent of water use in relation to consumption by people.

Question 8

Virtual Water

Answer 8

The hidden flow of water in food or other commodities that are traded from one place to another.

Question 9

Confined Aquifers

Answer 9

An aquifer that is bounded above and below by confining beds.

Question 10

Salt Water Intrusion

Answer 10

The movement of saline into fresh water aquifers.

Question 11

Oligotrophic

Answer 11

An organism that can live in an environment that offers very low levels of nutrients.

Question 12

coastal wetlands

Answer 12

land across the coast line which is covered with saltwater all or part of the year

Question 13

hydroponic

Answer 13

growing plant life using nutrient rich water instead of soil

Question 14

flood irragation

Answer 14

an irrigation technique where they essentially flood the whole field before allowing the water to absorb.

Question 15

desalination

Answer 15

removal of salt from ocean water

Question 16

floodplain

Answer 16

areas near rivers, oceans, ponds, and lakes that are periodically flooded at different points over time

Question 17

gray water

Answer 17

water that already has been used domestically, commercially and industrially

Question 18

fish ladder

Answer 18

a structure that allows migrating fish passage over or around an obstacle on a river

Question 19

aqueduct

Answer 19

used to transport water from a source to places where the water was needed

Question 20

Dam

Answer 20

a barrier constructed to hold back water and raise its level

Question 20

Dam

Answer 20

a barrier constructed to hold back water and raise its level

Question 21

Reservoir

Answer 21

a large natural or artificial lake used as a source of water supply

Question 22

mesotrophic

Answer 22

having a moderate amount of dissolved nutrients

Question 23

eutrophic

Answer 23

a body of water rich in nutrients and so supporting a dense plant population, the decomposition of which kills animal life by depriving it of oxygen

Question 24

xeriscaping

Answer 24

landscape in a style which requires little or no irrigation

Question 25

land subsidence

Answer 25

a gradual settling or sudden sinking of the earths surface owing to subsurface movement of earths materials

Question 26

groundwater overdraft

Answer 26

occurs where the average annual amount of groundwater extraction exceeds the long term average annual supply of water to the basin

Question 27

coastal floodplains

Answer 27

an area along any coast that has been inundated during times of flooding, but is otherwise above water besides standing water such as a pond or a marsh

Question 28

Watershed/Drainage Basin

Answer 28

An area of land that separates water into rivers or basins

Question 29

Reliable Surface Runoff

Answer 29

Water flowing off of land and into surface water, which provides a stable source of water

Question 30

Percolate

Answer 30

Moving and filtering liquids through spongy material.

Question 31

Cone of Depression

Answer 31

A depression in a surface with an inverted cone shape that develops around a well of water where water is taken from

Question 32

Sinkholes

Answer 32

What occurs when surface ground caves into natural depressions

Question 33

Surface water

Answer 33

All water naturally open to the atmosphere
Ex. Rivers, lakes, streams, seas, etc.

Question 34

Surface Runoff

Answer 34

Occurs when there is more water than land can absorb. Excess water flows across the land and into nearby creeks, streams, and ponds.

Question 35

Lateral Recharge

Answer 35

Water that moves sideways from rivers and streams into an aquifer.

Question 36

Aquifier

Answer 36

A ridge of sand, silt, and clay that builds up along a riverbank.

Question 37

Dike

Answer 37

A blockade used to control water flow from a river, lake, etc.

Question 38

spray irrigation

Answer 38

pumping ground water into spray nozzles across an agricultural field

Question 39

drip irrigation

Answer 39

water is run through pipes (with holes in them) either buried or lying slightly above the ground next to the crops

Question 40

water ownership

Answer 40

all tidal waters were held by the crown

Question 41

water conservation

Answer 41

the practice of using water efficiently to reduce unnecessary water usage

Question 42

freshwater

Answer 42

safe-drinking natural water containing no salt or contaminants

Question 43

zone of saturation

Answer 43

a portion of underground soil with water-filled gaps

Question 44

hydrologic cycle

Answer 44

the cycle of water on Earth through the ground, atmosphere and water bodies

Question 45

natural recharge aquifier

Answer 45

underground rock formations that hold water from rainfall or other sources

Question 46

natural recharge aquifer

Answer 46

underground rock formations that hold water from rainfall or other sources