Fortran subroutines

alpha.f -- calculate specific volume and anomaly

cond.f -- calculate conductivity from p, t, s

dynht.f -- calculate dynamic height

grav.f -- calculate local gravity

isnan.f -- test for missing value

o22pp.f -- convert o2 ml/l to partial-pressure

o2sat.f -- calculate o2 saturation and aou

o2scal.f -- convert CTD o2 (uamps) to ml/l

potmp.f -- calculate potential temperature

pzcon.f -- convert pressure to depth or depth to pressure

rho.f -- calculate density

salin.f -- calculate salinity

setnan.f -- set real number to missing value

sigmp.f -- calculate sigma n

stabl.f -- calculate stability (E)

svel.f -- calculate Del Grosso, Chen & Millero or Wilson sound vel.

vfreq.f -- calculate Brunt-Vaisala frequency

xprtf.f -- calculate transport

its90.f -- calculate temperature ITS90 from IPTS68 (added 10/00)

sal78(cnd,t,p,m) salinity from conductivity

svan(s,t,p0,sigma) specific volume anomaly

depth(p,lat) depth from pressure

tf(s,p) freezing point of seawater

cpsw(s,t,p0) specific heat

atg(s,t,p) adiabatic temp gradient

theta(s,t0,p0,pr) potential temperature

svel(s,t,p0) sound velocity

bvfrq(s,t,p,nobs,pav,e) Brunt-Vaisala freq and stability

grady(y,p,nobs,pav,ybar) least squares slope 'grady' versus p

p80(dpth,xlat) pressure from depth

gravity(xlat) gravity

coriol(xlat) Coriolis parameter