Paper 1: UK's Natural Hazards Flashcards

1
Q

polar continental air mass - central europe

A

-hot air = dry summers
-sold air = snow

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2
Q

Arctic maritime air mass - arctic

A

-cold air bring snow in winter

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3
Q

polar maritime air mass - arctic

A

-wet cold air = showery weather

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4
Q

returning polar maritime - Arctic/greenland

A

-unstable moist air = rain

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5
Q

tropical maritime air mass - atlantic

A

-warm air = rain and mild weather

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6
Q

tropical continental air mass

A

-from north africa
-hot dry air = dry summers

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7
Q

scotland and northern england air mass

A

-polar and arctic

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8
Q

south east england air mass

A

tropical so warmer temps

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9
Q

UK drought: characteristics

A

-15 or more days with less than 0.2 mm rain
-causes wildfires
- water supply issues

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10
Q

Uk drought: causes

A

-high pressure systems bring clear skies and hot air
from tropical

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11
Q

uk storm characteristics

A

-heavy rain
strong wind = damage
-forecasts give warning = allow for prep
-airline/rail cancel services

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12
Q

uk storm causes

A

-low pressure
-warm air from south meets cool air from north
-warm air rises = strong winds
-condenses = rainfall

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13
Q

depressions

A

-periods of high winds and heavy rain

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14
Q

uk flooding characteristics

A

-heavy rain = flash flood
-rivers flood
-evacuations

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15
Q

uk flooding causes

A

-heavy rainfall
-persistent rain

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16
Q

uk extreme cold characteristics

A

-brings ice and snow
-crop failure = famine
-death of cattle
-icy roads = car accidents

17
Q

uk extreme cold causes

A

-jet streams move further south than usual
brings depressions

18
Q

jet streams

A

-strong westerly winds

19
Q

Storm desmond: social impacts

A

-6000 homes in cumbria were flooded
-elder died as he was washed away

20
Q

Storm desmond: economic impacts

A

-businesses were flooded
-profit lost and jobs lost
-tourism industry = roads damaged
-home owners had to claim insurance = higher premiums now
-house values dropped = harder to sell homes

21
Q

Storm desmond: environmental impacts

A

-covered woodland
-lack of food and shelter = decline in number
-lots of burrowing animals = rabbits drowned

22
Q

moveable flood wall

A

-wall erected by river banks at high discharge
-river has more room to rise
-can be removed easily
-doesn’t spoil views
-expensive

23
Q

flood alert system

A

-floods are monitored
-residents are alerted based on severity
-plan and prepare
-sent to phones directly

24
Q

restoring peatland

A

-absorbs water upstream
-reduces river discharge downstream
-protects settlements

25
Q

UK weather becoming more extreme?

A

-recent and rapid changes in temp and rain
-rate suggests man made effects

26
Q

evidence for uk’s weather becoming more extreme

A

-ten hottest years since 1884 have occurred from 2000
-more frequent extreme hot events

27
Q

rainfall changes in UK?

A

-winter rainfall levels have increased
-decreased during summer

28
Q

evidence for rainfall changes in UK

A

-5/10 wettest recorded yrs have occurred 2000
-12.5% wetter this decade compared to others

29
Q

man made factors have caused climate change

A

-industrial revolution
-more co2 emitted