CLIVAR Repeat Section P18

Data Set Name	Country/Status	Research Vessel	Place	Period	Chief Scientist	Carbon-related data PI(s)	Variables in Data Set	Data/Availability NDP No.
P18_2016, 33RO20161119 (See map)	USA / completed	R/V Ronald H. Brown	Pacific Ocean	from 2016-11-19 to 2017-02-03	Brendan Carter, Rolf Sonnerup / NOAA/PMEL, University of Washington	Dick Feely / NOAA / PMEL; F. Millero / RSMAS; Dennis Hansell / RSMAS, UM; Rik Wanninkhof / NOAA / AOML, USA	CTDTMP, CTDSAL, SALNTY, CTDOXY, OXYGEN, SILCAT, NITRAT, NITRIT, PHSPHT, CFC-11, CFC-12, TCARBN, ALKALI, PH_SWS, PH_TMP, POC, PON, SF6, THETA, Surface/Underway pCO₂	Bottle Data files Bottle Metadata Underway Data files Leg 1 Underway Metadata Leg 1 Underway Data files Leg 2 Underway Metadata Leg 2
P18_2007, 33RO20071215 (See map)	USA / completed	R/V Ronald H. Brown	Pacific Ocean	15/12/2007 - 02/23/2008	John Bullister, Gregory Johnson / NOAA / PMEL	Dick Feely / NOAA / PMEL; F. Millero / RSMAS; Dennis Hansell / RSMAS, UM; Rik Wanninkhof / NOAA / AOML, USA	CTDTMP, CTDSAL, SALNTY, CTDOXY, OXYGEN, SILCAT, NITRAT, NITRIT, PHSPHT, CFC-11, CFC-12, SF6, CCL4, TCARBN, ALALI, FCO2, FCO2_TMP, PH_SWS, PH_TMP, DOC, TDN, CHLORA, TRITUM, TRITER, HELIUM, HELIER, DELHE3, DELHER, NEON, NEONER, DELC13, THETA	Data files (Metadata)

Historical Data: WOCE Section P18 (NOAA CGC-94)

Data Set Name	Country/Status	Research Vessel	Place	Period	Chief Scientist	Carbon-related data PI(s)	Variables in Data Set	Data/Availability NDP No.
WOCE Section P18 NOAA CGC-94; EXPOCODE: 31DS19940126, 31DSCG94_1,2,3 ( See map and section plots for P18N and P18S Sections)	USA / Completed	R/V Discoverer	South Pacific Ocean	26 Jan-27 Apr 1994	Richard Feely / NOAA / PMEL	Richard Feely / NOAA / PMEL	CTDTMP, CTDSAL, SALNTY, CTDOXY, OXYGEN, SILCAT, NITRAT, NITRIT, PHSPHT, CFC-11, CFC-12, RITUM, HELIUM, DELHE3, DELC14, DELC13, TCARBN, FCO2, FCO2TMP, ALKALI, PH_TOT, PHTEMP, THETA, TRITER	Data files (Metadata)