SUMMARY CRUISE REPORT R. V. HIDALGO CRUISE 62-H-9, 27 JUNE-12 JULY 62, GALVESTON, TEXAS--CAMPECHE BANK
TEXAS A AND M UNIV COLLEGE STATION
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An instrument structure was established in 20 feet of water on the southern flank of the Arcas reef. This operation was a feasibility study designed to examine techniques to be used in instrumenting the Arcas reef for physical oceanographic studies. The reef study group, together with about seven tons of supplies, was landed on Cayo del Centro in the Arcas group and a base camp was established. Geological studies of reef sediments and processes were well under way when the R. V. Hidalgo left Arcas on Thursday, 5 July. A total of 73 sediment sample stations were occupied on the Campeche Bank following the completion of the Arcas program. In addition, 1698 miles of sounding track were obtained with the Precision Depth Recorder. This data is a contribution to the detailed bathymetric chart of Campeche Bank presently in preparation and to our bathymetry of the Gulf of Mexico project. Continuous gravity profiles were run with the La Coste-Romburg Shipboard Gravity Meter. Gravity data was obtained over a distance of approximately 1000 miles of ship travel. Fifty-seven bathythermograph stations were occupied between Galveston and Campeche Bank.
- Physical and Dynamic Oceanography