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Geography > Chp. 13 > Flashcards

Chp. 13 Flashcards

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1
Q

Anticyclones

A

An air mass w/ high pressure at the centre
Isobars are well spaced

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2
Q

What do anticylones bring

A

Dry sunny weather
Winter: clear skies and cold nights
Winds are very light and blow is a clockwise direction

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3
Q

Depression

A

An area of low pressure

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4
Q

What do depressions bring

A

Unsettled weather, rain clouds & wind
Isobar are close together
Strong winds - clockwise direction
Cloudy skies and wet weather

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5
Q

Stratus clouds

A

Form below 200m
Large, thick heavy-looking grey clouds
Overcast or rainy day

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6
Q

Cumulus

A

Form below 500m
Fluffy shapes
Can bring heavy showers in warm weather

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7
Q

Cirrus clouds

A

Usually form over 8000m
Very high in the sky, look like thin wispy brush strokes
No rain

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8
Q

What isbthe instrument temperature is measured in

A

Thermometer

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9
Q

Isotherms

A

Lines on a weather map that join places of equal temperature

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10
Q

What instrument measures atmospheric pressure

A

Barograph

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11
Q

Atmospheric pressure units of measurement

A

Millibars

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12
Q

How is atmospheric pressure displayed on a weather map

A

As connected lines called isobars

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13
Q

Instrument to measure humidity

A

Hygrometer- measured using a wet and dry bulb hygrometer
Units of measurement-percentage

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14
Q

Humidity-unit of measurement

A

Percentage

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15
Q

What is a wind vane

A

Used to indicate the direction of the wind
Arrow will point in the direction the wind is coming from

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16
Q

What does an anemometer measure

A

The speed or strength of the wind
Units-km/hr

17
Q

Beaufort scale

A

How much damage the wind causes from 1-12

18
Q

Rain gauge

A

Used to measure rainfall (mm)

19
Q

Isohyets

A

Lines on a weather map showing areas of equal rainfall

20
Q

Campbell-strokes recorder

A

Measures hours of sunshine in a day

21
Q

Isohels

A

The lines on a weather map showing areas of equal sunshine

Geography (7 decks)

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