LakeMetabolizer (version 1.5.5)

calc.zeng: Estimate sensible and latent heat fluxes

Description

Returns the sensible and latent heat fluxed based on Zeng et al, 1998'

Usage

calc.zeng(dateTime,Ts,airT,Uz,RH,atm.press,wnd.z,airT.z,RH.z)

Value

A data.frame including sensible and latent heat flux estimates, and other variables used in calculating these fluxes.

Arguments

dateTime

vector of datetime in POSIXct format

Ts

numeric value of surface water temperature, degC

airT

numeric value of air temperature, degC

Uz

numeric value of wind speed, m/s

RH

numeric value of relative humidity, %

atm.press

atmospheric pressure in mb

wnd.z

height of wind measurement, m

airT.z

height of air temperature measurement, m (optional)

RH.z

height of relative humidity measurement, m (optional)

Author

R. Iestyn. Woolway

References

Zeng, X., M. Zhao., and Dickinson, R.E. 1998. Intercomparison of bulk aerodynamic algorithms for the computation of sea surface fluxes using TOGA COARE and TAO data. Journal of Climate 11: 2628-2644.

See Also

k.read

Examples

dateTime <- as.POSIXct("2013-12-30 23:00")
Ts <- 22.51
airT <- 20
Uz <- 3  
RH <- 90
atm.press <- 1013
wnd.z <- 2
calc.zeng(dateTime,Ts,airT,Uz,RH,atm.press,wnd.z)