Volatiles and Fluids in Subduction Zones

Volatiles and fluids play a major role in the global geological material budget. At subduction zones, material from the oceanic plate (the oceanic crust and its overlying sediments) is brought to...

Chief Scientist:

SO163-1: Dr. Reimer Wilhelm Weinrebe

SO163-2: Prof. Dr. Ernst R. Flüh

Cruise SO 163 "Subduction" started on March 13, 2002, in Balboa, Panama. 13 scientists embarked on RV SONNE in Balboa, whereas 3 participants of cruise SO 162 stayed onboard and completed...

During the second week of the cruise we carried out mapping with the TOBI system of our colleagues from Southampton. TOBI, the deep-towed ocean bottom instrument, carries a 30 kHz side-scan sonar, a...

The third week of the cruise began with a deployment of the DTS-1 deep-towed side-scan sonar system. This system operates with higher frequencies (75 kHz, 410 kHz) than TOBI (30 kHz), and is...

Investigations in the 4th week were concentrated offshore Central Costa Rica in the area of the upper plate opposite the seamount province of the oceanic plate. The margin here is sculptured by the...

The fifth week of the cruise SO163-1 was nearly entirely devoted to surveying with the TOBI system of our colleagues from Southampton. As launch and recovery operations of such deep-towed systems...

In the morning of 19 April at 09:15 h FS SONNE moored at pier 3 in port of Caldera, Costa Rica. Thus, the first part of cruise SO-163 ended after 37 days at sea. Finally, there were some highlights...

at Sea at 8°30´N/85°10´W From 19th to 22nd April, the change-over from leg 1 to leg 2 of cruise SO163 was taking place in Caldera, Costa Rica. The agenda was extensive during...

at Sea at 8°50´N/84°20´W In the previous week we achieved high data productivity - as is typical of cruises once the starting phase is over and routine work has begun. Apart from...

at Sea at 9°50´N/86°20´W In the previous week we completed investigations in both southern operating areas. We shot a profile net of 4 lines across the mega lens and 3 profiles...

Balboa On 20 May, at 11:00 h, SONNE cruise SO163 ended in Balboa. We got through an intensive work schedule in the previous week. 20 OBH/S were deployed along each of two long profiles and were shot...