Week 13: Irrigation and Urban Water Management.

Question 1

Rainfed agriculture

Answer 1

Farming practises that rely on rainfall for water.

Question 2

Irrigated agriculture

Answer 2

Farming practices that rely on artificial irrigation for water.

Question 3

Virtual water

Answer 3

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

Question 4

Water footprint

Answer 4

The amount of water used by a party, both directly and indirectly.

Question 5

Irrigation equipped area

Answer 5

An area equipped with an irrigation system.

Question 6

Urban water

Answer 6

Types of urban water: potable water, wastewater, stormwater, recycled water.

Question 7

Stormwater

Answer 7

Runoff from the urban landscape.

Question 8

Groundwater contamination

Answer 8

When groundwater is contaminated by industrial spills, surface impoundments, landfills, injection wells etc.

Question 9

Groundwater treatment

Answer 9

Techniques: soil extraction, pump and treat, physical barriers, biological (microbes), chemical (surfactants).

Question 10

Bioremediation

Answer 10

To simulate/enhance a site’s indigenous subsurface microorganisms by the addition of nutrients and an electron donor.