Bottom Sediments of the Southern Gulf of Tonkin

Coleman, Jess

Bottom Sediments of the Southern Gulf of Tonkin

2007

Coleman, Jess

The Gulf of Tonkin is a shallow, crescent-shaped, subtropical basin. The southern Gulf of Tonkin is a NW-SE trending shallow embayment from 50 to 100 meters in depth. The deeper part is filled with poorly sorted sands and silts and is generally flanked by clays and silts. Sediment distribution is complex and is strongly influenced by current changes due to seasonal monsoons and varying sources of clastics. Cohesion of surface sediments increases from the shallow flanks into the deeper sandy trough. It also increases with depth on the flanks but apparently decreases in the basin. This is due to the silts and clays underlying the sands in the trough. Cores were taken for determination of type of sedimentation.

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Mots clés AGROVOC

carbonates clay cores deep water geology marine geology monsoons ocean currents porosity sand sedimentation silt

Informations bibliographiques

D'autres materias

Physical and dynamic oceanography; Geochemistry and mineralogy; Calcium compounds; Tonkin gulf; *ocean bottom sampling

Langue

anglais

Licence

http://handle.dtic.mil/100.2/AD855887Approved for public release; distribution is unlimited.

Source

NAVAL OCEANOGRAPHIC OFFICE NSTL STATION MSDTIC AND NTIS

Auteur institutionnelle

NAVAL OCEANOGRAPHIC OFFICE NSTL STATION MS

Sur AGRIS depuis: 2013-06-15

Format: AGRIS AP

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Bottom Sediments of the Southern Gulf of Tonkin

2007

Mots clés AGROVOC

Informations bibliographiques