Limestone and climate change Flashcards

1
Q

Name four different limestone formations

A

Limestone pavements
Cavern
Stalagmites and stalactites
Swallow hole/pothole

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2
Q

What is Carboniferous limestone

A

It is made up of calcium carbonate. When the rain water absorbs carbon dioxide it forms carbonic acid

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3
Q

What are the horizontal and vertical line of a limestone pavement before weathering

A

Horizontal: Bedding planes

Vertical: Joints

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4
Q

What are the slabs and gaps in a limestone pavement called after weathering

A

Gaps between: Grikes

Slabs: Clints

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5
Q

Why is the Yorkshire Dales so important

A

The Yorkshire Dales has been a National Park since 1954

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6
Q

What do National Parks do

A

A) protect landscapes

B) provide access for the public to enjoy the park

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7
Q

Name three land uses in the Yorkshire Dales

A

Hill sheep farming
Quarrying
Tourism
Other land uses (forestry,military)

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8
Q

Name two conflicts between quarrying Vs tourism

A

Noise pollution
Visual pollution
Air pollution

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9
Q

How should u answer a describe question

A

Structure

General trend 
Point 1
Point 2 
Point 3
Point 4
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10
Q

What is a sunspot

A

Our climate changes because we don’t always revive the same heat from the sun. A greater number of sunspots meany more solar energy is released toward earth. Increase temps

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11
Q

What is a volcanic eruption

A

Ash and gas from a volcanic eruption from a layer in the atmosphere and stop as much sun reaching the surface of the earth. Decreasing the temps

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12
Q

What is oceanic currents

A

Hot water is transferred by ocean if currents from the equator to polar regions. Cold water is transferred by oceanic currents from polar regions to the equator. Overtime they change direction and temperature. This can increase or decrease the temps of places

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13
Q

What is the stretch of the orbit

A

The earths orbit stretches around the sun in a elliptical orbit and therefore at certain times of the year the earth can be closer to the sun. Closer means temps increase. Further away means decrease in temp

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14
Q

What is the tilt of the earth

A

Change in the angle of the earths tilt alters the amount of solar energy. Nearer means temps increase. Further means temps decrease

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15
Q

What is the wobble of the axis

A

The axis currently points to the Polaris start to the northern hemisphere. So we have winter in December and summer in July. Every 13,000 years the ‘wobble’ will shift towards the vega star. So the northern hemisphere will have summer in December and winter in July

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16
Q

Name four climate change human factors

A
Burning fossil fuels 
Deforestation 
Cattle ranch if 
Landfill sites 
Padi fields 
Old refrigerators/other appliances