Cruise inventory

Puma Tehuanos II

Cruise summary report

Cruise Info. 
Ship name (ship code)Puma (57AE)
Cruise identifierTehuanos II
Cruise period1989-01-08 — 1989-02-04
StatusCompleted
Port of departureEnsenada, Mexico
Port of returnEnsenada, Mexico
PurposeResearch
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 scientistMiguel Fernando Lavín Peregrina (Centre for Scientific Research and Higher Education, Ensenada)
ProjectTehuano
Coordinating bodyUniversity of Wales, Oregon State University, CICESE
Ocean/sea areas 
GeneralNorth East Pacific Ocean (limit 180W)
SpecificGulf of Tehuantepec
Track chartsPuma Tehuanos II cruise track — pumaandwecoma89trk.pdf (0.04 MB) 
Measurements 
Physical oceanography 
CTD stationsQuantity: number of stations = 190
Description: Standard CTD profiles with Neil Brown Smart CTD de EG&G
Moorings, landers, buoys 
Physical oceanography 
Current meters15° 46' 17" N  95° 58' 35" W — Mooring S1 (Huatulco) G.O.#33 tilting CM. Water depth=50m.13/12/88 to 26/01/89. CM depth=40m
Current meters15° 47' 41" N  95° 30' 59" W — Mooring S2 (Ayuta). G.O.#39 tilting CM. water depth=306m. 17/12/88 to 10/01/89. CM depth=40m
Current meters15° 47' 41" N  95° 30' 59" W — Mooring S2 (Ayuta). G.O.#34 tilting CM. water depth=306m. 17/12/88 to 10/01/89. CM depth=150m
Current meters15° 45' 11" N  94° 4' 47" W — Mooring S4 (Arista). G.O. #36 tilting CM. Water depth=50m. 12/12/88 to 27/01/89. CM depth = 40m.
Current meters15° 45' 11" N  95° 1' 17" W — Mooring S3 (Cruz). G.O.#39 tilting CM. Water depth=306m. 12/01/89 to 28/01/89. CM depth=40m
Current meters15° 45' 11" N  95° 1' 17" W — Mooring S3 (Cruz). G.O.#34 tilting CM. Water depth=306m. 12/01/89 to 28/01/89. CM depth=150m
Current meters15° 45' 11" N  95° 1' 17" W — Mooring S3 (Cruz). G.O.#35 tilting CM. Water depth=306m. 12/01/89 to 28/01/89. CM depth=270m
Current meters15° 47' 41" N  95° 30' 59" W — Mooring S2 (Ayuta). G.O.#35 tilting CM. water depth=306m. 17/12/88 to 10/01/89. CM depth=270m