Specific humidity is the ratio of water vapor to dry air in a particular mass,

Содержание

1. Specific humidity is the ratio of water vapor to dry air in a particular mass,
2. The mixing ratio is defined as
3. Relative humidity Relative humidity is a term
4. Absolute HumidityAbsolute humidity is the density of water
5. Dew point - is the temperature to which a
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The mixing ratio is defined as the mass of water vapor divided by the mass of dry air. Mixing Ratio-- mixing ratioR – amount of precipitationE – evaporation MR –

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Specific humidity is the ratio of water vapor to dry air in a particular mass,

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Слайд 1Specific humidity is the ratio of water vapor to dry

air in a particular mass, and is sometimes referred to

as humidity ratio. Specific humidity ratio is expressed as a ratio of grams of water vapor, mv, per kilogram of dry air ma.

One slide about Specific humidity

That ratio is defined as:

Specific humidity can be expressed in other ways including:

Удельная влажность - масса водяного пара в граммах на килограмм увлажнённого воздуха [г/кг], то есть отношение масс водяного пара и увлажнённого воздуха.

Specific humidity is the ratio of water vapor to dry air in a particular mass, and is

Слайд 2 The mixing ratio is defined as the mass of

water vapor divided by the mass of dry air.
Mixing

Ratio

-- mixing ratio

R – amount of precipitation
E – evaporation

MR – is a coefficient, that’s why it hasn’t any dimension.

Коэффициент увлажнения — отношение годового количества осадков к годовой величине испаряемости для данного ландшафта, является показателем соотношением тепла и влаги.

The mixing ratio is defined as the mass of water vapor divided by the mass of

Слайд 3Relative humidity

Relative humidity is a term used to describe the

amount of water vapor in a mixture of air and

water vapor. It is defined as the ratio of the partial pressure of water vapor in the air-water mixture to the saturated vapor pressure of water at those conditions.

f= (e\E)*100%

* Относительная влажность (f) – отношение фактического давления водяного пара e к давлению насыщения E над плоской поверхностью чистой воды, выраженное в процентах.

Relative humidity Relative humidity is a term used to describe the amount of water vapor in a

Слайд 4Absolute Humidity
Absolute humidity is the density of water vapor in the air.

It is the mass of water vapor, mw, per cubic

meter of total moist air,Vnet:

Commonly used unit of absolute humidity is 1 g/m³.
Absolute humidity ranges from 0 grams per cubic meter in dry air to 30 grams per cubic meter when the vapor is saturated at 30 °C