Study on the Diversity of Denitrifying Bacteria of Changjiang Estuary Sediments and Extracellular Enzyme Producing Bacteria Isolated from Southern Okinawa Trough Deep-sea Sediments;

Physiochemical and phylogenetic analysis of moderately halophilic bacteria halomonadaceae in deep-sea sediments of the Southern Okinawa Trough

Preliminary Study on the Radiolaria from the Surface Sediments in Southern Okinawa Trough;

Benthic foraminiferal distribution in surface sediment along the con- tinental slope of the southern Okinawa Trough : dependance on water masses and food supply;

Computation of Thickness of Hydrate Stability Zone in Okinawa Trough;

Development and distribution of natural gas hydrate in the Okinawa trough;

The physico-chemical features and their geological implications of magma in the Okinawa Trough;

Magnetic Properties of Sediments from the Okinawa Trough and Their Relationships to Sedimentary Environment;

Estimation of the Provenance and Flux of the Sediments in the Okinawa Trough Using Quantitative Analysis Since Late 40 Ka;

On the Evolutional Model of the Tectonic Geomorphology of the Okinawa Trough;

The rock magnetic behavior og gravity core CSH1 from the northern Okinawa Trough and the effect of early diagenesis;

Through the analysis of 84 samples collected from the core B-3GC in the northern Okinawa Trough, a high resolution dinoflagellate cyst record of the Holocene has been obtained.

Planktonic foraminifera, oxygen and carbon isotopes have been studied in core DOC-42 from the continental slope of the northern Okinawa Trough to reconstruct the paleoenvironmental evolution history of the surface water.