2B.3 - Rates of coastal recession and stability depend on lithology and other factors Flashcards Preview

Coastal Landscapes and Change: Enquiry question 1: Why are coastal landscapes different and what processes cause these differences? > 2B.3 - Rates of coastal recession and stability depend on lithology and other factors > Flashcards

Flashcards in 2B.3 - Rates of coastal recession and stability depend on lithology and other factors Deck (7)
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1

Types of bedrock (3)

Igneous; sedimentary & metamorphic

2

Define 'Strata'

Layers of rock

3

Differential erosion of alternating strata in cliffs produces_____ & influences _____

Complex cliff profiles & recession rates

4

Define "permeable" and hence, "impermeable"

"allowing liquids or gas to pass through it" & "not allowing gas to pass through it"

5

Define "resistant" and hence, "not resistant"

in terms of erosion: "not eroded easily" & "eroded easily"

6

Why is vegetation important in stabilizing sandy coastlines?

Because the roots grow underneath the sand and bind the dunes together

7

What is an estuarine area?

The area around where an estuary and the sea meet