Topic 1- Hazardous Earth Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

At the poles, cool air sinks creating high pressure. The high-pressure air is drawn back towards the equator as su face winds. Is this true or false?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

2 natural causes of climate change

A

. Orbital changes
. Volcanic eruptions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Why is there little rain associated with areas of high pressure?

A

The air in these areas sink. As air decends it compresses and warms up meaning it wont form a cloud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Example of a high pressure area

A

Autralia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

2 peices of evidence of climate change

A

. Tree rings
. Ice cores

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

When does a tropical sto m lose its energy?

A

When it makes itself to land

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Why is it more common for cyclones to form Between the equator and tropic of cancer,Between the equator and tropic of Cap ico n?

A

This is because the temperatures between these areas ade warmer of atleast 26.5 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the names of our 2 tropical cyclone case studies?

A

Cyclone nargis (myanmar), hurricane katrina (united states)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Short term effects in hurricane katrina and cyclone nargis

A

Katrina
. Around 1400 deathes
. Flooding
. Thousands displaced
Nargis
. 140,000 lives lost
. Infrastructure Collapse
. Government Restrictions on Aid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Long term effects on cyclone nargis and hurricane katrina

A

Havnt done this card yet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Preperation for katrina and nargis (hurricanes in general)

A

Katrina
. Satellite tracking
. Good Building design
Nargis
. Myanmar doesn’t have a dedicated monitoring centre for tropical cyclones
. Forests help protect from flooding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Volcanic activity can cause long te m changes in climate. Is this true or false?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Explain how transpo rt cont ibute to the enhanced greenhouse effect?

A

Fossil fuels, which release carbon dioxide (CO₂) and other greenhouse gases that are released by card etc, trap heat in the Earth’s atmosphere.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What was an impacts of the Little Ice Age?

A

Killed people, animals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a storm surge?

A

A storm surge is a sudden rise in sea level caused by strong winds(hurricane, hurricane)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How do countr ies prepare for tropical sto ms?

A

Count ries will prepare for a tropical sto rm hours before it hits. When they do this an alar m will go of indicating that a tropical sto m will happen. Count ries will set up shelters in places like subways or tell them to evacuate the area.

17
Q

Two environmental impacts of tropical storms

A

Erosion, Destruction of Ecosystems eg forests