Field Activity 1977-019-FA

Identifier 1977-019-FA
Alternate names Decca 2/Alpha; CORPUS 53
Purpose Obtain quasi-synoptic information on the suspended-sediment transport system within the South Texas OCS by obtaining samples of the water column for analyses of sediment texture and concentration, sediment mineralogy and trace metals, water chemistry, and coccoliths to establish temporal variability patterns; obtaining vertical transmittance-temperature profiles to establish regional turbidity patterns; and casting drift bottles to measure surface currents during the cruise period.
Location Matagorda Bay, Port Isabel, Texas, south Texas outer continental shelf, Gulf of Mexico, United States, North America, North Atlantic;
Summary This cruise was the last of 6 scheduled monitoring cruises to evaluate the temporal and spatial variability of turbidity patterns within the south Texas OCS region. The cruises were conducted between November 1975 and May 1977. Stations: 26; Vertical transmittance-temperature profiles: 26; Water samples: 78; Drift bottles: 335.
Info derived Time series data; Samples and chemical analysis; Suspended sediment concentrations;
Comments Original Center People field contained: USGS-Corpus Christi: Gerald Shideler - Ch. Sci., Bill Allshouse, Ron Circe, Quenton Dokken, Fran Firek, Dee Haines, Neal Lillard, Stan Lindquist, Tim Martin, Cyndi Rice, Charles Stelting, George Wiley.
Related activities
1977-020-FA: Cruise legs
Platform
Decca Profiler
Length 120 feet.
Itinerary
Start Corpus Christi, TX 1977-05-24
End Corpus Christi, TX 1977-05-27
Days in the field 4
Bounds
West -97.25
East -96
North 28.45
South 26

Personnel

Organization
384 Woods Hole Road
Quissett Campus
Woods Hole, MA02543-1598
(508) 548-8700
Principal investigators Gerald Shideler
Crew members
Ronald C. Circe
Scientist, Staff
Firek, Frances
Scientist, Staff
Lindquist, Stanley
Scientist, Staff
Gerald Shideler
Scientist, Staff
Rice, Cynthia
Scientist, Staff
Lillard, Neal
Scientist, Staff
Stelting, Charles
Scientist, Staff
Wiley, George
Scientist, Staff
Affiliate staff Bill Allshouse, Quenton Dokken, Dee Haines, Tim Martin

Data types and categories

Data category: Environmental Data, Location-Elevation
Data type: Temperature, Turbidity, Navigation

Documents: Notes and log books

Name Description
Cruise report Chief Scientist's cruise summary, personnel, equipment and data acquisition notes, and trackmap.

Equipment used

Equipment Usage description Data types Datasets
Martek Transmissometer Temperature, Turbidity (no data reported)
Raytheon radar Navigation (no data reported)
Loran-A Navigation (no data reported)

Publications

Samples collected during this field activity