Hazardous Earth Flashcards

(42 cards)

1
Q

Solar insulation

A

Amount of suns energy

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2
Q

Heat is redistributed in two ways?

A

Ocean currents and pressure differences

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3
Q

The itcz forms within what?

A

The tropics when two masses of air meet

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4
Q

Global circulation model

A

How the atmosphere is divided intel three cells

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5
Q

In the northern hemisphere the pressure is…

A

High

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6
Q

The Hadley cells moves in what direction

A

South depending on the position of the sun

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7
Q

The eruption theory

A

Big volcanic eruptions can change the earths climate

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8
Q

What are the products

A

Ash and sulphur dioxide

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9
Q

The stratosphere

A

The layer of air above the earths surface

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10
Q

The sunspot theory

A

The sun has many spots which show how much energy it has and it means it’s more active

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11
Q

What is climate

A

Each day in weather the amount of rainfall changes, the worlds winds, ocean currents and pressure systems change the seasons

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12
Q

What are trapped in ice layers

A

Air bubbles which contain carbon dioxide

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13
Q

The greenhouse effect

A

That way that gases trap heat from the sun

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14
Q

Carbon dioxide is taken in by what

A

Plants

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15
Q

Oxygen is breathed in by

A

Animals

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16
Q

Climate change impacts

A

Frequent floods
Changes to farming
Stronger storms

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17
Q

Tropical cyclone

A

A rotating system of clouds and storms that develop over tropical waters

18
Q

Hurricane develop where

A

North Atlantic and Pacific

19
Q

Cyclone develop where

A

Indian and South Pacific

20
Q

Typhoon develop where

21
Q

Hazards of tropical cyclone

A

Strong winds
Storm surges
Intense rainfall
Landslides

22
Q

Tropical cyclones form in what areas

23
Q

Where do they develop

A

Warm oceans over long periods
Strong winds are high in the troposphere
Strong winds created by the rotation of the Coriolis force

24
Q

How they form

A

Warm air currents rise and as it rises air joins in with it, then air contains huge volumes of water vapour which then rise and condense to form clouds and this contains energy, coriolis dorce contains rising currents of air such then rise and from tropical storm, as it tracks away from its source it is fed new air and enlarges

25
The crust forms
The earths surface
26
The lithosphere is split into
Tectonic plates
27
The played move very slowly on what?
The asthenosphere
28
Continental crust
Forms on land and is made from igneous rock
29
Oceanic crust
Much thinner and dense and made of igneous rock
30
Geothermal
Heat from the outside of the earth
31
Radioactive decay
Atoms that release particles of heat
32
Inner core
So deep and is under high pressure
33
Outer core
Liquid so it’s under low pressure
34
Plumes
Heat moves towards the surface
35
Divergent plate boundaries
Formed when two plates move apart
36
Convergent plate boundaries
Formed when two plates collide
37
Conservative
Formed when two plates move past each other
38
New oceanic crust forms at what
Divergent plate boundaries
39
What brings magma up from the mantle
Convection currents
40
As magma cools...
If forms a new oceanic crust
41
Old oceanic crust
Destroyed by subduction
42
Subduction
The sinking of oceanic crust into the mantle at a convergent plate boundary