Module 10 - Urban and Anthropogenic Soils

Question 1

Why should humans be concerned about UAS?
Because they impact the greatest number of people given the fact that many people live in urban areas.
Because the highest percentage of soils are UAS.

Answer 1

Because they impact the greatest number of people given the fact that many people live in urban areas.

Question 2

Urbanization involves:
large-scale disturbance of soil
sealing of soil beneath impervious surfaces
both

Answer 2

both

Question 3

Jenny’s model from 1941 included five soil-forming factors. Which factor have human activities been considered to be part of?
climate
landscape
organisms
parent material
time

Answer 3

organisms

Question 4

Urban soils are typically ____ than rural soils due to the urban heat-island effect.

Answer 4

warmer

Question 5

Metapedogenesis

Answer 5

Process in which humans modify a pre-existing natural soil to produce a new profile requiring classification as a different type of soil.

Question 6

Technopedogenesis

Answer 6

Process where a new soil profile is developed in artifact-bearing, human-deposited sediment comprised of a mechanical mixture of earth materials.

Question 7

Ekranopedogenesis

Answer 7

Process where pre-existing soils are sealed beneath pavement and other impervious structures and materials.

Question 8

Sealed soils are classified as soil in US Soil Taxonomy.
True
False

Answer 8

False

Question 9

In US Soil Taxonomy the presence of artifacts is designated with the letter:

Answer 9

u