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  2. Greenhouse gas monitoring - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_gas_monitoring

    The air sample is dried by passing it through multiple dry ice traps and then collecting it in a five-liter vessel. The temperature is taken via a thermometer and pressure is calculated using manometry. Then, liquid nitrogen is added, causing the carbon dioxide to condense and become measurable by volume. [1]

  3. Meteorological instrumentation - Wikipedia

    en.wikipedia.org/wiki/Meteorological_instrumentation

    A thermometer measures air temperature, or the kinetic energy of the molecules within air.A barometer measures atmospheric pressure, or the pressure exerted by the weight of the Earth's atmosphere above a particular location.

  4. Temperature measurement - Wikipedia

    en.wikipedia.org/wiki/Temperature_measurement

    B, of course, is the thermometer. The practical basis of thermometry is the existence of triple point cells. Triple points are conditions of pressure, volume and temperature such that three phases are simultaneously present, for example solid, vapor and liquid. For a single component there are no degrees of freedom at a triple point and any ...

  5. Greenhouse Gases Observing Satellite-2 - Wikipedia

    en.wikipedia.org/wiki/Greenhouse_Gases_Observing...

    The Greenhouse Gases Observing Satellite-2 (GOSAT-2), also known as Ibuki-2 (Japanese: いぶき2号, Hepburn: Ibuki nigō), is an Earth observation satellite dedicated to greenhouse gas monitoring. It is a successor of Greenhouse Gases Observing Satellite (GOSAT).

  6. Satellite temperature measurement - Wikipedia

    en.wikipedia.org/wiki/Satellite_temperature...

    The SSU is a far-infrared spectrometer employing a pressure modulation technique to make measurement in three channels in the 15 μm carbon dioxide absorption band. The three channels use the same frequency but different carbon dioxide cell pressure, the corresponding weighting functions peaks at 29 km for channel 1, 37 km for channel 2 and 45 ...

  7. Thermodynamic instruments - Wikipedia

    en.wikipedia.org/wiki/Thermodynamic_instruments

    Hopefully, the thermometer will be small enough that it does not appreciably alter the temperature of the system it is measuring, and also that the atmospheric pressure is not affected by the expansion of the thermometer. The ideal gas thermometer can be defined more precisely by saying it is a system containing an ideal gas, which is thermally ...

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