冰面波的数值模拟(英文)
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摘要
在北极地震探险遇到的许多问题中,冰面波噪声在浮冰的观测记录的地震资料中往往是一个严重的问题.由于调查北极地区的试验费用高昂,模拟冰面波是一个较好的办法去研究其本质,进而发展新的技术来减轻这个强大的相干噪声.我们应用弹性有限差模拟不同的速度模型,这些模型代表涉及浮冰的各种近地表条件.
Among many problems encountered in Arctic seismic exploration,flexural ice wave noise is a serious one often observed in seismic data recorded on floating ice. Due to the high cost of conducting test survey in Arctic area,modeling the flexural ice wave is a good approach to study its nature and therefore develop new technique to attenuate this strong coherent noise. We apply finite difference elastic simulation to different velocity models representing various near surface conditions involving floating ice.
Among many problems encountered in Arctic seismic exploration,flexural ice wave noise is a serious one often observed in seismic data recorded on floating ice. Due to the high cost of conducting test survey in Arctic area,modeling the flexural ice wave is a good approach to study its nature and therefore develop new technique to attenuate this strong coherent noise. We apply finite difference elastic simulation to different velocity models representing various near surface conditions involving floating ice.
引文
[1]Ewing W M,Jardetzky W S,Press F.Elastic waves in layered media[M],McGraw-Hill,1957.
[2]Proubasta D.Ice saw-an incisive solution to seismic noise[J].The Leading Edge,1985,(4):18.
[2]Proubasta D.Ice saw-an incisive solution to seismic noise[J].The Leading Edge,1985,(4):18.
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