CHAPTER 14: WATER RESOURCES

a structure that allows water to flow freely

an obstruction placed in a river or stream to block its flow

a type of fish found in rivers

a method of irrigation for crops

the buildup of salts in the surface layers of soil

the process of soil erosion due to water

the increase of organic matter in soil

the formation of soil layers over time

the boundary between the zone of aeration and the zone of saturation in an aquifer

the level below which the ground is saturated with water

the surface where groundwater meets the atmosphere

the area where water is stored in the soil

fresh water found below Earth’s surface

salt water found in oceans

water vapor in the atmosphere

polluted water in rivers

fresh water found on Earth’s surface

water that is underground

salt water found in oceans

water vapor in the atmosphere

the rapid growth of algae in an area that can cover the surface of the water and block sunlight from reaching plants below

a type of water pollution caused by industrial waste

the process of photosynthesis occurring in aquatic plants

a phenomenon where fish populations increase rapidly

a disease-causing organism

a type of virus

a form of bacteria

a harmless microorganism

pollution that comes from a single identifiable source

pollution that comes from many places over a large area

pollution that is easily controlled and managed

pollution that is caused by industrial activities

Water with high levels of dissolved salts

Water that is relatively pure with few dissolved salts

Water that is contaminated with pollutants

Water that is heated to boiling point

A phenomenon caused by a harmful algal bloom that produces reddish pigments

A type of ocean wave that appears red

A method of fishing that involves using red nets

A seasonal change in water temperature that causes algae to bloom