| U.S. Repeat Hydrography Level II Measurements |
| Year | Cruise | Days | Ship and lead agency | pH* | Discrete pCO2* | C14 | C13 | CCL4* / SF6 ** | Trace Metals* | POC & Transm** | CDOM* | I129 |
| 2003 | A16N | 49 | Brown NOAA | M | W | M | M | | M/L | B/G | S/N/C | |
| 2003 | A20 | 29 | Knorr NSF | nc | nc | M/K | Q | B/S/F | nc | G | S/N/C | S/ JS |
| 2003 | A22 | 21 | Knorr NSF | nc | nc | M/K | Q | B/S/F | nc | G | S/N/C | S/ JS |
| 2004 | P2 | 73 | Melville NSF | nc | nc | M/K | M/K | S/F | M/L | G | S/N/C | nc |
| 2005 | A16S | 48 | Brown NOAA | M | W | M/K | M | B/S/F |
nc | B | S/N/C | |
| 2005 | P16S | 40 | Revelle NSF |
nc | nc | M/K | M | | M/L | G | S/N/C | |
| 2006 | P16N | 39 | Thompson NOAA | M | W/F | M/K | Q |
SF6 | M/L | G | S/N/C | |
| 2007 | I8S | 38 | Revelle NSF | D | W/F |
M/K |
M/K |
SF6 |
M/L |
G | S/N/C | |
| 2007 | I9N | 34 | Revelle NSF | M | W/F | M/K |
M/K | B/S/F |
M/L |
G | S/N/C | |
|
2007 |
P18 |
32 |
Brown
NOAA |
M |
W/F |
M/K |
M/K |
B/S/F | |
G |
N |
|
| 2008 | P18 | 35 | Brown NOAA | M | W/F |
M/K | M/K | B/S/F | |
G |
N | |
| 2008 | I6S | 42 |
Revelle
UNOLS |
D | nc |
M/K |
M/K | B/S/F |
M/L |
G |
N | |
| 2008 | S4P | 25.5 | UNOLS | | W/F |
M/K | M/K | B/S/F | M/L | | | |
| 2008 | S4P | 25.5 | UNOLS | | W/F |
M/K | M/K | B/S/F | M/L | | | |
| 2009 | I7N | 47 | UNOLS | | | | | B/S/F | | | | |
* Funded
** limited collection on present cruises
nc:
not collected
pH: M =Millero, D = Dickson
pCO2: W =Wanninkhof, F = Feely
C14: M/G=McNichol, Gagnon C13:
C13: Q=Quay M/K = McNichol Key
CCL4/ SF6 B/S/F/W = Bullister, Smethie,
Fine, Warner
Trace metals: M/L = Measures , Landing
POC & transmissometer: B/ G = Bishop/ Gardner
CDOM S/N/C=Siegel, Nelson, Carlson
I-129: S = Smethie, JS = John Smith
