Distinctive Landscapes

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This one is suuuper memorisation heavy so this is everything EXCEPT the case studies

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51 Terms

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What is a landscape?

An area of land with a particular appearence

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Relief

The way the landscape changes in height

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Upland areas

Areas high above sea level. They are often mountainous

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Lowland areas

Areas not very high above sea level. They are often flat

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Characteristics of the Upper Course of a river

Steep valleys, narrow/shallow channel, high bedload

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Characteristics of the Middle Course of a river

Gentle sloping valleys, floodplains, wider channel, more suspended sediment

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Characteristics of the lower course of a river

Open valleys, floodplains, very wide & deep channels

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Features of the upper course of a river

V shaped valleys, interlocking spurs, waterfalls, gorges

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Features of the middle course of a river

Meanders, river cliffs, slip off slopes

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Features of the lower course of a river

Ox-bow lakes, floodplains, levees

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Traction

Rocks transported in a river via rolling

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Saltation

Rocks transported in a river via bouncing

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Suspension

Rocks transported in a river via carrying

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Solution

Rocks dissolved in a river

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Hydraulic action

Erosion from the force of water

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Abrasion

Erosion from the river’s load

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Attrition

Erosion of material in the river by other material in the river

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Biological weathering

Weathering from mosses, animals, people, tree roots…

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Chemical weathering

Weathering from the acid in rain, particularly affecting non-resistant rocks

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Mechanical weathering

Freeze-thaw weathering

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Sliding (mass movement)

Sudden movements of rock/soil along saturated soil

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Slumping (mass movement)

Movement of saturated permeable rock along impermeable material

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Rock falls (mass movement)

Free-fall movement of rocks from gravity, increased by mechanical weathering

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Igneous rock examples

Granite, basalt

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Sedimentary rock examples

Clay, sandstone, limestone

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Metamorphic rock examples

Slate, schist, gneiss, marble

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Igneous rock

Rock formed from magma (either at depth or on the surface)

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Sedimentary rock

Rock formed from material carried by rivers to the sea and deposited in beds

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Metamorphic rock

Formed by heat/pressure, when mountains are formed or tectonic plates collide

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Glaciated upland areas

U-shaped valleys

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Non-glaciated upland areas

V-shaped valleys

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Glaciated lowland areas

Rolling, fertile plains

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Non-glaciated lowland areas

Flat land, rivers

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Drainage basin

An area of land that is drained by a river and its tributaries

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Source (river)

Where a river starts

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Channel (river)

What a river flows in

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Watershed (river)

The boundary between two drainage basins

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Tributary (river)

A small stream or river which leads into a larger river

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Confluence (river)

The point where two rivers join

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Mouth (river)

The end of a river where it meets the sea

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Discordant coastline

Where bands of different rock type are perpendicular to the coast

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Backwash

When water runs back down the beach

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Swash

When water is washed up the beach

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Beach

An accumulation of eroded material transported and deposited by the sea

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Sea wall

Giant concrete walls to prevent erosion of coasts

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Groynes

Wood planks perpendicular to the coast preventing longshore drift

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Breakwater

Offshore concrete walls to break incoming waves

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Rock armour

Large boulders placed along a coastline

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Beach nourishment

Sand and shingle added to beaches from elsewhere

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Sand dunes

Large amounts of sand left on the coast to absorb the energy of waves

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Managed retreat

Letting erosion do its thing