Apply to Sail: Expedition 380
NanTroSEIZE Frontal Thrust Long-Term Borehole Monitoring System (LTBMS)
The International Ocean Discovery Program (IODP) is now accepting applications for scientific participants on Expedition 380 (NanTroSEIZE Stage 3: Frontal Thrust Long-Term Borehole Monitoring System, LTBMS) aboard the D/V Chikyu, operated by the Center for Deep Earth Exploration (CDEX) within the Japan Agency for Marine-Earth Science and Technology (JAMSTEC).
The Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) Project comprises multiple expeditions over a multi-year period aimed at sampling and instrumenting the up-dip transition into the subduction seismogenic zone. The goal of Expedition 380 is to install an LTBMS in the accretionary toe region near the trough axis at Site C0006, previously drilled during IODP Expeditions 314 and 316. The LTBMS sensors will include: seafloor reference and formation pressure sensors, broadband seismometer, tiltmeters, volumetric strainmeter, geophones, and accelerometers. This will be the third LTBMS installed for the NanTroSEIZE project.
Operations planned for Expedition 380 will include drilling a new hole at Site C0006 to ~500 meters below seafloor, installing casing, and installing the LTBMS (CORK) at the new hole. This is mainly an engineering expedition; there are no plans at this time to collect any logging-while-drilling (LWD) data or core samples during this expedition. However, logging data and cores from previous expeditions will be available for sample requests, with the goal of producing original research.
The expedition is currently planned for 43 days, beginning on 23 October, sailing on 26 October (after three days of portcall), and finishing on 5 December 2017. If LTBMS/CORK installation goes ahead of schedule, the ship will return early to port and the expedition will be complete. Additional information about this expedition can be found in the Expedition 380 Call For Participation.
Opportunities exist for researchers (including graduate students) to sail on the expedition. Scientific specialties that will likely be required for the shipboard science party include observatory science and downhole logging. U.S.-affiliated scientists interested in participating in this expedition should apply to sail through the U.S. Science Support Program. The deadline to apply has been extended to May 19, 2017.
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