Compressional wave (P wave) and shear wave (S wave) velocities (Vp and Vs, respectively)
from remote seismic methods have been used to infer the distribution and volume of gas …

High-resolution seismic experiments, employing arrays of closely spaced, four-component
ocean-bottom seismic recorders, were conducted at a site off western Svalbard and a site on …

三维地震与海底地震勘探技术愈来愈广泛应用于海洋天然气水合物调查中.
为了获取高品质的纵波, 转换横波等地震信息, 揭示天然气水合物地层的速度结构异常 …

Seismic methods provide the most important means for detecting, mapping, and
characterizing the distribution of natural gas hydrate and underlying free gas. Bottom …

In contrast to hydrate‐free sediments, sonic waveforms acquired in gas hydrate‐bearing
sediments indicate strong amplitude attenuation associated with a sonic velocity increase …

Most offshore geohazards involve features located within the first hundreds of meters of the
seabed. Whereas conventional high-resolution P-wave seismic data are necessary to obtain …

Note: This revised version, posted in April 2013, expands the authorship and contains more
complete attribution to previously published work than did the original chapter. We present a …

Ray tracing method of basing on the subsurface geology model is very important for defining
some parameters during marine seismic exploration. The signal reflected from underground …

Il metano è il più diffuso in natura tra i gas idrocarburici. Viene prodotto, direttamente o
indirettamente, per fermentazione microbica di materia organica e da una serie di attività …