Raw ship-based Multibeam Sonar Data from the Nankai Trough Subduction Zone acquired during R/V Maurice Ewing expedition EW9908 (1999)

This data set was acquired with a ship-based Atlas Hydrosweep DS Multibeam Sonar system during Maurice Ewing expedition EW9908 conducted in 1999 (Chief Scientist: Dr. Nathan Bangs). These data files are of MBSystem Compatible format and include Acoustic Backscatter and Swath Bathymetry data that have not been processed. These data are included in the GMRT Synthesis, version 1. Data were acquired as part of the project(s): A 3-D Seismic Investigation of the Sediment-to-Rock Transition and Its Relationship to Nankai Subduction Thrust Seismicity: U.S.-Japan Collaborative Program, and funding was provided by NSF grant(s): OCE02-41375, OCE02-41380, OCE02-41482, OCE97-30637, and OCE98-02295.

本数据集采用1999年Maurice Ewing探险EW9908期间，由首席科学家Nathan Bangs博士领导的基于船舶的Atlas Hydrosweep DS多波束测深系统所采集。这些数据文件采用MBSystem兼容格式，包含未经处理的声音后向散射和条带式水深数据。数据被纳入GMRT综合分析，版本1。数据采集作为以下项目的一部分：对沉积岩过渡区进行三维地震调查及其与南华北断块地震活动的关联：美国-日本合作计划，且资金支持来源于美国国家科学基金会（NSF）资助项目：OCE02-41375、OCE02-41380、OCE02-41482、OCE97-30637以及OCE98-02295。