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Equatorial Pacific Process Study Cruise Descriptions
During 1992 the R/V Thomas G. Thompson conducted five cruises
in support of the U.S. EqPac process study. These cruises consisted
of two repeat meridional sections (12°N - 12°S), 2 equatorial
surveys, and a benthic survey (all at 140° W). The scientific
objectives of this study were to observe the processes in the Equatorial
Pacific controlling the fluxes of carbon and related elements between
the atmosphere, euphotic zone, and deep ocean. As luck would have
it, the survey window coincided with an El Nino event. A bonus for
the research team.
The U.S. JGOFS Data Management Office (DMO) has compiled a bottle
data product from the first four cruises and CTD data from all five
cruises listed in the table below.
Equatorial Pacific Process Study Cruises
|
| Cruise
ID |
Cruise
Name |
Stations |
Time |
Location |
Chief
Scientist |
| TT007 |
Spring
Survey |
15 locations |
January 30 - March 13, 1992 |
12°N-12°S at 140°W
|
J.
Murray
|
| TT008 |
Spring
Time Series |
8 locations |
March 19 - April 15, 1992 |
Equator, 140°W
|
M.
Roman
|
| TT011 |
Fall
Survey |
15 locations |
August 5 - September 18, 1992 |
12°N-12°S at 140°W
|
R.
Barber
|
| TT012 |
Fall
Time Series |
5 locations |
September 24 - October 21, 1992 |
Equator, 140°W
|
M.
Bacon
|
| TT013 |
Benthic
Survey |
18 locations |
October 30 - December 13, 1992 |
12°N-12°S at 140°W
|
M.
Leinen
|
U.S. JGOFS Cruise List
Process cruises:
- R/V Thomas G. Thompson 7 (TT007)
- Dates: January 30 - March 13, 1992 (2/3 - 3/9)
- Chief Scientist: J. Murray
- Purpose: Spring Survey Cruise; 12°N-12°S at 140°W
- R/V Thomas G. Thompson 8 (TT008)
- Dates: March 19 - April 15, 1992 (3/17 - 4/20)
- Chief Scientist: M. Roman
- Purpose: Spring Time Series; Equator, 140°W
- R/V Thomas G. Thompson 11 (TT011)
- Dates: August 5 - September 18, 1992
- Chief Scientist: R. Barber
- Purpose: Fall Survey; 12°N-12°S at 140°W
- R/V Thomas G. Thompson 12 (TT012)
- Dates: September 24 - October 21, 1992 (9/24 - 10/25)
- Chief Scientist: M. Bacon
- Purpose: Fall Time Series; Equator, 140°W
- R/V Thomas G. Thompson 13 (TT013)
- Dates: October 30 - December 13, 1992
- Chief Scientist: M. Leinen
- Purpose: Benthic Survey
Sediment trap deployment and recovery cruises:
- R/V Wecoma W9201B
- Dates: January 12 - February 8, 1992
- Chief Scientist: S. Honjo, J. Dymond, R. Collier
- Purpose: 140°W sediment trap deployment
- R/V Thomas G. Thompson 15 (TT015)
- Dates: January 17 - January 28, 1993
- Chief Scientist: R. Collier
- Purpose: 140°W sediment trap recovery
NOAA boreal spring and fall section cruises east and west of 140°W:
- R/V Baldridge (MB-92-02 legs 1,2,3)
- Dates: March-May 1992
- Chief Scientist: (1: L. Mangum, 2: D. Atwood, 3: R. Feely)
- Location: 10°N-10°S at 110°W, 125°W, 140°W, 170°W
- R/V Discoverer (DI-92-03 legs 3,4,5)
- Dates: September-November 1992
- Chief Scientist: (3: R. Feely, 4: R. Wanninkhof, 5: P. Murphy)
- Location: 10°N-10°S at 95°W, 110°W, 125°W, 140°W, 170°W
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