Geography Y10 UK Environmental Challenges Flashcards

1
Q

what is weather

A

the day to day meteorological conditions

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2
Q

what is climate

A

the long-term meteorological conditions

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3
Q

what happens to temperature as you increase latitude + why

A

decreases because the sun’s energy is spread over a wider area

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4
Q

what is continentality

A

land loses heat faster than the sea

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5
Q

why does continentality happen

A
  • transparency of material (albedo effect)
  • specific heat (substances heat up different amounts)
  • heat movement (ocean currents etc.)
  • evaporation
  • sea surface temperatures
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6
Q

what is the North Atlantic Drift

A
  • ocean current
  • slow-moving body of water
  • wind driven surface movement
  • transports warm water to higher latitudes
  • extension of North Atlantic Current
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7
Q

what is an air mass

A

a body if air thousands of miles across, which is of uniform temperature, pressure and humidity

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8
Q

property of continental air masses

A

dry

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9
Q

property of maritime air masses

A

wet

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10
Q

property of tropical air masses

A

hot

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11
Q

property of polar air masses

A

cold

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12
Q

property of arctic air masses

A

cold

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13
Q

what air masses come into the UK

A
  • arctic maritime
  • polar continental
  • tropical continental
  • tropical maritime
  • polar maritime
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14
Q

features + direction of arctic maritime

A
  • cold
  • snow in winter
  • comes from north (Arctic Ocean)
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15
Q

features + direction of polar continental

A
  • dry (+ hot) in summer
  • possible snow in winter
  • comes from east (Eastern Europe + Russia)
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16
Q

features + direction of tropical continental

A
  • hot + dry weather
  • comes from south (Northern Africa)
17
Q

features + direction of tropical maritime

A
  • warm + wet
  • comes from south west (from Central Americas over Atlantic Ocean)
18
Q

features + direction of polar maritime

A
  • cold
  • showers
  • comes from north west (Greenland + Northern Canada)
19
Q

where do strong winds come from (area + air masses)

A

ocean areas:
* tropical maritime
* polar maritime
* arctic maritime

20
Q

what is advection

A

movement across the atmosphere

21
Q

impacts of strong winds

A
  • railway lines destroyed - cannot transport goods/people/get to work
  • sea wall destroyed - pollutants in water, costs to repair
  • homes/personal items destroyed - increased stress
  • habitats/ecosystems destroyed - e.g. trees uprooted
  • coastal landforms destroyed - e.g. stack collapses
22
Q

what air masses cause flooding

A
  • tropical maritime
  • polar maritime
  • (arctic maritime)
23
Q

how does consistent rainfall cause flooding

A

1) rain infiltrates + percolates
2) constantly happens
3) water table slowly rises
4) water table = surface level
5) surface runoff happens instead of infiltration = flooding

24
Q

how does intense rainfall cause flooding

A

1) some rain infiltrates and percolates
2) rate of precipitation > rate of infiltration
3) some rain runs off surface instead = flooding

25
what was air mass in 2014 flooding + why
tropical maritime because highest precipitation was in the south
26
impacts of flooding
* roads flooded - cannot transport goods/people/get to work * houses/personal items lost - increased stress * farmers' fields lost - cannot earn money, *sense of community created* * search and rescue volunteers - *sense of community* * habitats destroyed
27
what air masses cause heat waves
* tropical continental * (polar continental)
28
impacts of heatwaves
* drinking water supplies affected - cost to get more * *increased tourism* * agriculture affected - farmers cannot get enough money - food prices increase * railways and roads damaged - cannot transport goods/people/get to work * reduced river levels - prevents boats from sailing - no transport, damages aquatic habitats
29
what air masses cause heavy snow
* arctic maritime * (polar continental)
30
where is there more snow
* north * upland areas * e.g. Cairngorms
31
impacts of heavy snow
* disrupts transprt - cannot transport goods/people/get to work - no food for remote communities * power supply problems - no power for people/businesses * people stuck in cold * cracked pipes - no hot water/drinking water * more tourism - e.g. skiing
32
where is Cockermouth located (rivers)
mouth of River Cocker - confluence of River Cocker and River Derwent
33
Cockermouth flood causes
* near wettest place in England - >3000mm/yr - Nov 2009 wettest since 1910, Nov 2019 broke 24hr record * near Skiddaw mountains - relief rainfall * confluence of Derwent + Cocker in city centre - impermeable surfaces * geology - Skiddaw slates - metamorphic - finegrain - quite impermeable
34
Cockermouth flood impacts
* strongly Christian - **8** churches worked as help centre - provide **over 1000** sandwiches per day + gave advice * shops/buildings destroyed - e.g. **Julie's Sandwich Place** - construction workers busy - financial loss/stress *