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Difficulty: EasyWeather Elements, Instruments, and Measurements

A meteorologist at a meteorological station needs to determine the atmospheric pressure of the locality. Which weather instrument should be used for this measurement?

  1. Mercury barometerAnswer
  2. B
    Hygrometer
  3. C
    Anemometer
  4. D
    Rain gauge

Answer

Mercury barometer
Atmospheric pressure is the force exerted by the weight of the air column above a unit area. It is measured using a mercury barometer or aneroid barometer, expressed in units of millibars (mb) or millimeters of mercury (mmHg).

Step-by-Step Solution

1
Identify the target weather element from the prompt.
The parameter to measure is atmospheric pressure.
The station objective specifies determining air pressure.
2
Match atmospheric pressure to its standard measuring instrument.
Atmospheric pressure is recorded using a mercury barometer.
Barometers measure the weight per unit area exerted by the atmosphere, typically recorded in millibars (mb).

Key Concept

Atmospheric Pressure Measurement
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Topics

Weather Elements, Instruments, and Measurements

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