Seafloor character offshore of the Eel River, California

Seafloor character, a combination of seafloor induration (surface hardness) and rugosity, was derived from multibeam echosounder (MBES) and annotated underwater video...海底特征由海底硬结度（即表面硬度）与地形粗糙度结合而成，其数据源自多波束测深仪（multibeam echosounder, MBES）与标注水下视频……