calculate partial water vapor pressure

Description

calculate partial water vapor pressure e based on relative humdity and saturation water vapor pressure at temperature t

Usage

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WVP(psi, Es)

Arguments

psi

relative humidity ψ in percentage (\%)

Es

saturation vapor pressure e_s(hPa) at temperature t, which can be calculated by callling SVP function.

Value

numeric partial water vapor pressure in Pascal (Pa)

Author(s)

Jun Cai (cai-j12@mails.tsinghua.edu.cn), PhD candidate from Center for Earth System Science, Tsinghua University

See Also

SVP, SVP.ClaCla, SVP.Murray.

Examples

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## Not run: 
Es <- SVP(273.15)
WVP(70, Es)

## End(Not run)