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Title: Application of parasound data for sediment study on methane seep site at Simeulue basin

The Parasound data presents sea depth and sub-bottom profiler. In terms of geological terminology, parasound data represents significant recent surface sedimentary structures that valuable for the selection of subsequent sampling site such as sampling at methane seep site. Therefore, Parasound is used to detailing methane seep at surface sediment following seismic data interpretation. In this study, parasound is used to focus observe area especially for sediment study on methane seep site. The Parasound systems works both as narrow beam sounder use high frequency and as sediment echosounder use low frequency. Parasound acquisition applies parametric effect. It produces additional frequency by nonlinear acoustic interaction of finite amplitude waves. Parasound transducers have 128 elements on 1 m2 and need transmission power up to 70 kW. The results of this study are discovered large seep carbonate with porous surface which means there are gas expulsions passing through that rock.
Authors:
;  [1]
  1. Technology Center for Marine Survey – Agency of the Assessment and Application of Technology Jl. M.H. Thamrin No.8, Building #1, Floor 18th, Jakarta pusat 10340 (Indonesia)
Publication Date:
OSTI Identifier:
22488923
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1677; Journal Issue: 1; Conference: 5. international conference on mathematics and natural sciences, Bandung (Indonesia), 2-3 Nov 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; AMPLITUDES; CARBONATES; DEPTH; METHANE; NONLINEAR PROBLEMS; POROUS MATERIALS; ROCKS; SAMPLING; SEAS; SEDIMENTS; SEEPS; SOUND WAVES; SURFACES; TRANSDUCERS; TRANSMISSION