Observation of sub‐bottom sediments in the Southern Baltic by means of nonlinear acoustic method
Observation of sub‐bottom sediments in the Southern Baltic by means of nonlinear acoustic method
复制标题
利用非线性声学方法观测波罗的海南部的海底沉积物
DOI：
10.1121/1.2935324
复制
发表时间：
2008
影响因子：
2.4
通讯作者：
I. Gloza
中科院分区：
文献类型：
--
作者：
G. Grelowska;E. Kozaczka;I. Gloza
本文的目的是介绍在自然条件下使用参数回声测深仪对格但斯克湾海底沉积物进行剖面测量的初步实验研究结果。根据遥感数据预测海底特性的能力非常重要，特别是在需要长期监测的区域。要精确确定海床结构或沙中埋藏物的位置，需要使用低频信号穿透沉积物，并使用窄波束提供高分辨率数据。这两个要求都可以用参数（非线性）技术来实现。特殊的实验装置已被安排允许穿透底部沉积物以及精确定位和遵循给定的路线。测量是精确地沿着沿着给定的路线进行的，因为地质剖面是用另一种方法取得的。它允许作为…
The aim of the paper is to present results of preliminary experimental investigation using parametric echosounder in natural conditions for profiling the subbottom sediments in the Gulf of Gdansk. The ability to predict seabed properties: seafloor roughness, sub‐bottom structure and discrete scatterers laying on the seafloor or buried into sediments, from remotely sensed data is important especially in regions that need permanent monitoring. Precise determination of seabed structure or localisation of buried objects in the sand requires the use of a low frequency signal to penetrate the sediment and a narrow beam to provide high‐resolution data. Both requirements can be achieved with a parametric (nonlinear) technique. The special experimental setup has been arranged allowing penetration of bottom sediments as well as precise positioning and following a given route. Measurements were conducted exactly along given routes, for that geological profiles have bean taken by means of another method. It allow as ...