Cruise 74AB73_1 Darwin73 Subduction cruise with W. Jenkins as PS.

Notes- provided by pms (woceipo).  17 October 2000.
1.
The expocode has been changed in all files from 74AB73/1 to
74AB73_1
2.
Please note that ALL temperatures are specified on this cruise on
the International Practical Temperature Scale 1968 IPTS-68
They can be converted to ITS-90 by multiplying by 0.99976
3.
No attempt has been made to reconcile CTDSAL and bottle salinity
in detail, but they look reasonably in agreement over the full
range of 34.8-37.6 
4.
The agreement is not so good for the  oxygens.
The CTDOXY values on average are about 5% lower than bottle
oxygens.
NO CORRECTIONS HAVE BEEN MADE.
5.
You will note that the data includes tritium, helium and delhe3
measurements and their errors.