Hm Flashcards

(39 cards)

1
Q

Definition of natural hazard

A

Extreme natural events which pose a danger to property and loss of life

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2
Q

Pieces of earth crust

A

Plates

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3
Q

Plate boundary causes by side by side and example

A

Conservative - San Andreas fault, california

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4
Q

Which piece of equipment used to record power of earthquakes and what does it produce

A

Seismometers - seismic waves

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5
Q

What do all have in common

A

Large Tropical storms produce heavy rain and high wind

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6
Q

Main location of tropical storms

A

In between cancer and Capricorn tropics

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7
Q

What temp is needed in sea for tropical storm to form

A

27 degrees c

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8
Q

Immediate impacts of typhoon Hyman

A

1.1 million damaged houses (homeless
Electricity interrupted
Roads blocked by fallen trees
6190 deaths

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9
Q

Difference between greenhouse effect and global warming

A

Ge is natural and beneficial to earth
Global warming is consequence of fossil gases expelled by industry which generates an unnatural increase in global temperature

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10
Q

4 gases most responsible for global warming

A

Carbon dioxide
Methane
Nitrous oxide
Flurionated gases (chlorofluorocarbons

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11
Q

Britain’s weather is getting more extreme t/f

A

True

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12
Q

Beast from the east cause

A

Cold air from east (|siberia
Warm air from Atlantic ocean

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13
Q

Dif between mitigation and adaptation

A

Mitigation is preventing climate change 0 reducing gases
Adapting is changing ;life with climate change - adjusting to new temp

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14
Q

2 major climate change effects

A

Rising sea levels
Droughts

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15
Q

Carbon dioxide is most prevalent greenhouse gas

A

False - water vapour

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16
Q

River begins

17
Q

2 rivers meet

18
Q

Small stream that joins river

19
Q

4 erosion processes in river

A

Abrasion attrition corrosion hydraulic action

20
Q

What is thalweg

A

Line of fastest flow

21
Q

Fasted flow is inside or outisde of meander

22
Q

Describe formation of waterfall

A

River flows over layer of hard and soft rock
Plunge pool is created at bottom
Soft rock erodes over time leaving overhanging hard rock
Hard rock collapses
Over time retracts causing a gorge

23
Q

Where land meats sea

24
Q

Difference between destructive and constructive wave

A

Con builds up beacg, stronger swash
De reoves material from beach, stronger backwash

25
Waves more material a long a beach
Long shore drift
26
Discordant coastline
Alternate bands of harder and softer rock types run perpendicular to the coast
27
Landforms cr3eated by discordant coastline
Headlands and bays
28
Scale used to measure earthquakes
Richter scale
29
Difference between hard and soft engineering
Soft - natural attempts such as allowing bea he’s to develop, working with nature Hard- man made structures or engineering of artificial strucutrews
30
Ecosystem
Living and non living part5s of an environment and the relationships between them
31
Biotic vs abiotic
Biotic- living Abiotic - non living (water,soil
32
Food chain v food web
Chain - shows how each living things gets its food between producers and consumers A food web displays all food chains in an ecosystem
33
Primary consumer
Animals that eat plants made by producers
34
Location of rianfrodresf
Along equates, between tropics, continents of South America, Africa and Australia , asia
35
Plant adapti9on 1
Thick waxy leaves and drip tips to shed heavy rainfall slowly down
36
Plant adaption 2
Buttress roots provide a stable base to prevent tree falling
37
Word tundra
Finnish word - tuntaria which means barren or treeless land
38
Permafrost and challenges
Permafrost - ground remaining frozen for at least 2 years Icy roads Ashe car accidents Building build on raised piles to prevent permafrost melting
39
River transport processes
Solution saltation traction. Suspension