Ocean Bottom Seismometer - an overview | ScienceDirect Topics
2008年9月18日 · An Ocean Bottom Seismometer (OBS) is a device equipped with a seismometer and a hydrophone, designed to record seismic data in deep water environments for up to 3 months. It is deployed on the sea floor, buoyant, and retrieved using an acoustic release system for seismological and oceanographic research purposes.
复杂地质结构OBS地震剖面震相识别方法 - 仁和软件
在海底地震仪(OBS)地震记录剖面图上显示的性质不同或传播路径不同的地震波组称为震相；为了得到地壳深部信息，不仅要利用OBS数据的初至震相信息，还需要后至的震相来共同约束地下的速度结构模型.在对OBS数据震相识别前需要进行数据预处理，主要包括异常 ...
Ocean-bottom seismometer - Wikipedia
An ocean-bottom seismometer (OBS) is a seismometer that is designed to record the earth's motion under oceans and lakes from man-made sources and natural sources. Sensors at the sea floor are used to observe acoustic and seismic events.
Ocean Bottom Seismic | OBS Data Acquisition | Peak Seismic …
Shear waves can be used to help clarify the subsurface image because they are unaffected by pore fluids, an important attribute that can improve seismic imaging and highlight information valuable for reservoir characterization, reservoir monitoring, and well planning.
The multi-component Ocean Bottom Seismometer (OBS) data captures full wave field by recording on three component geophone and one hydrophone. However, the resultant seismogram includes the free surface
西沙地块海底地震仪转换横波的数据处理与震相识别
Analysis and simulation of converted seismic shear wave phases recorded by active-source Ocean Bottom Seismometer (OBS) provide accurate constrains on subsurface structures and lithological compositions from aspect of Poisson's ratios, which can facilitate research on detailed crustal structures and tectonic affinity.
Ocean Bottom Seismics - SpringerLink
2021年1月1日 · Seismic seafloor receivers fall broadly into three categories, (1) ocean bottom seismometers (OBSs), individual receivers that can be deployed and recovered without the need of any specialized vessels, (2) ocean bottom cables (OBCs), streamer-like arrays of receivers that are deployed from a specialized vessel, and (3) ocean bottom seismic ...
Water‐Wave‐Induced OBS Noise: Theories, Observations, and …
2024年4月25日 · We propose a noise model to explain the horizontal OBS noise around 0.07 Hz in shallow water. The noise model and related theories are validated by realistic observations. Potential applications to determine water-wave direction, Earth structure inversion and noise removal are discussed
Passive-source ocean bottom seismograph (OBS) array
Various seismic techniques including seismic tomography, receiver function and anisotropy then can be applied to earthquake data recorded by the OBS array, so that the lithospheric …
Data processing and seismic phase identification of OBS …
Analysis and simulation of converted seismic shear wave phases recorded by active-source Ocean Bottom Seismometer (OBS) provide accurate constrains on subsurface structures and lithological compositions from aspect of Poisson's ratios, which can facilitate research on detailed crustal structures and tectonic affinity.