Cruise inventory

RV Wecoma 01/89 (Tehuano I)

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Wecoma (32WC)
Cruise identifier01/89 (Tehuano I)
Cruise period1989-01-02 — 1989-02-10
Port of departureNewport, United States
Port of returnSalina Cruz, Mexico
ObjectivesTwo research vessels, the U.S. R/V Wecoma and the Mexican El Puma worked together in the Gulf of Tehuantepec between 7 January and 10 February 1989.

The objective was to study the time dependent response of the hydrography and circulation of the Gulf of Tehuantepec to intermittent outbursts of strong offshore winds, which blow intermittently through the Chivela pass between the Gulf of Mexico and the Pacific.
Chief scientistEric Desmond Barton (University of Wales, Bangor School of Ocean Sciences)
Coordinating bodyUniversity of Wales, Oregon State University, CICESE
Ocean/sea areas 
GeneralNorth East Pacific Ocean (limit 180W)
SpecificGulf of Tehuantepec
Track chartsRV Wecoma 01/89 (Tehuano I) cruise track — pumaandwecoma89trk.pdf (0.04 MB) 
Physical oceanography 
CTD stationsQuantity: number of profiles = 136
Description: Standard CTD profiles with Wecoma MkIII Neil Brown
Subsurface temperature and salinity measurementsQuantity: activity duration in days = 7
Description: Continuous tow 0-310 m. CTD was supplied by RVS, pre and post-calibrated.
Moorings, landers, buoys 
Physical oceanography 
Current profiler (eg ADCP)14° 31' 23" N  96° 10' 23" W — D1 mooring. Water depth = 3595 m. 19/01 to 3/02. Upward looking adcp at 120 m
Current profiler (eg ADCP)14° 18' 0" N  95° 18' 47" W — D2 mooring. Water depth = 3910 m 17/01 to 2/02, Upward looking adcp at 120 m
Current profiler (eg ADCP)13° 42' 18" N  94° 18' 29" W — D3 mooring. Water depth = 4040 m. 19/01 to 3/02. Upward looking adcp at 120 m