Скачать или смотреть Relative Humidity vs Dew-Point Temperature: Understanding Air Moisture and Condensation

The provided text offers a detailed explanation of two key meteorological concepts: relative humidity and dew-point temperature. Relative humidity is defined as the ratio of the actual water vapour content in the air compared to the maximum amount required for saturation at a given temperature, illustrating how close the air is to saturation. The text explains that relative humidity can change by either adding or removing water vapour or by changing the air temperature, noting that cooling air increases relative humidity until condensation occurs at 100 per cent. Conversely, the dew-point temperature is presented as the specific temperature to which air must be cooled to achieve saturation, serving as a direct measure of the actual quantity of moisture in the air, unlike relative humidity. Furthermore, the source briefly addresses condensation phenomena such as the formation of dew and frost, highlighting that frost is formed by deposition rather than frozen dew.

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