{"thcode":2,"term":{"code":2081,"name":"profiles","parent":235,"scope":"Observations or calculations given for a series of depths, at or near the same horizontal position."},"uf":[{"name":"sound velocity profiles","usewith":{"code":2080,"name":"sound velocity","parent":1304,"scope":"Estimates of the velocity of sound in water, indexed by depth at a specific location, usually calculated from other water properties."}}],"bt":[{"code":235,"name":"datasets","parent":808,"scope":"Digital information in a format suitable for direct input to software that can analyze its meaning in the scientific, engineering, or business context for which the data were collected."},{"code":808,"name":"product types","parent":1,"scope":"General representation of the information in a resource, such as a map or data set."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[{"code":125,"name":"borehole logging","parent":375,"scope":"Method of recording the physical characteristics of the subsurface as a function of depth by observations during drilling of a well or borehole, studying the resulting core, or by lowering instruments into a drilled hole."},{"code":2054,"name":"sub-bottom profiling","parent":1045,"scope":"Methods of imaging the structure of sediments below the sea floor  or lakebed using ship-borne or towed sensors with a variety of sound sources."}]}