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由IODP美国执行机构(IODP-USIO)负责的IODP344和345航次目前开始向各成员国召集船上科学家。IODP 344(哥斯达黎加地震起源)航次预计在2012年10～12月在东太平洋执行,该航次是IODP 334航次的后续。航次基于IODP 537号建议书,航次的科学目标包括:①俯冲带沉积物和基岩的岩性、构造和物理性质特征;②俯冲带的剥蚀速率和上部板块的沉降历史;③上部板块中流体和岩石的相互作用及地球化学过程等。IODP 345航次预计在2012年12至2013年2月实施,钻探区域位于东太平洋赫斯深部裂谷海域。航次
IODP344 and 345 voyages by IODP US Executors (IODP-USIO) are now beginning to call onboard scientists to member states. The IODP 344 (origin of the earthquake in Costa Rica) is expected to be implemented in the Eastern Pacific from October to December 2012, which is a follow-up to IODP 334 voyage. The voyage is based on IODP Recommendation No. 537. The scientific objectives for voyage include: (1) lithology, tectonics and physical properties of subduction zone sediments and bedrock; (2) erosion rates of subduction zones and sedimentation history of the upper plate; (3) And rock interaction and geochemical processes. The IODP 345 voyage is scheduled to take effect from December 2012 to February 2013 and the drilling area is located in the Deep Rift Sea in the Hess, Eastern Pacific Ocean. Voyage