swLapseRate {oce} | R Documentation |
Compute adiabatic lapse rate
swLapseRate(salinity, temperature = NULL, pressure = NULL, longitude = NULL, latitude = NULL, eos = getOption("oceEOS", default = "gsw"))
salinity |
either salinity [PSU] (in which case |
temperature |
in-situ temperature [degC], defined
on the ITS-90 scale; see “Temperature units” in the documentation for
|
pressure |
pressure [dbar] |
longitude |
longitude of observation (only used if |
latitude |
latitude of observation (only used if |
eos |
equation of state, either |
If eos="unesco"
, the density is calculated using the UNESCO equation
of state for seawater [1,2], and if eos="gsw"
, the GSW formulation
[3,4] is used.
Lapse rate [degC/m].
Dan Kelley
Fofonoff, P. and R. C. Millard Jr, 1983. Algorithms for computation of fundamental properties of seawater. Unesco Technical Papers in Marine Science, 44, 53 pp. (Section 7, pages 38-40)
Other functions that calculate seawater properties: T68fromT90
,
T90fromT48
, T90fromT68
,
swAbsoluteSalinity
,
swAlphaOverBeta
, swAlpha
,
swBeta
, swCSTp
,
swConservativeTemperature
,
swDepth
, swDynamicHeight
,
swN2
, swPressure
,
swRho
, swRrho
,
swSCTp
, swSTrho
,
swSigma0
, swSigma1
,
swSigma2
, swSigma3
,
swSigma4
, swSigmaTheta
,
swSigmaT
, swSigma
,
swSoundAbsorption
,
swSoundSpeed
, swSpecificHeat
,
swSpice
, swTFreeze
,
swTSrho
,
swThermalConductivity
,
swTheta
, swViscosity
,
swZ
lr <- swLapseRate(40, 40, 10000) # 3.255976e-4