Weather Instruments - iGCSE Geography (CIE
- Created by: Alec Robertson
- Created on: 02-04-13 09:53
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- Weather Instruments
- Stevenson Screen
- Properties
- 1.1m above the ground on a stand
- Take temperature of air, not ground
- Slatted Sides
- Allows air to circulate
- Roof made from double boarding
- Prevent sun's heat from reaching inside of screen, affecting results
- Situated in open space; away from trees, buildings
- Allows accurate readings to be taken
- Painted white
- Reflect sun's rays
- Door opens to the north
- Prevents sun from affecting readings
- 1.1m above the ground on a stand
- Instruments inside
- Wet and dry bulb thermometer
- Maximum and minimum thermometer (Sixs thermometer)
- Properties
- Barometer
- Pressure
- Millibars
- Anemometer
- Wind speed
- K/h
- Weather vane
- Wind direction
- degrees
- Rain guage
- mm
- Rainfall
- Stevenson Screen
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