| 摘要: |
| 提出了一种新的海底沉积物声学性质原位测量方法, 介绍了新研制的海底沉积物声学性质原位测量系统。在青岛近海海域对该系统进行了海试, 获得了各个站位的声速数据。将测得的各站位的声速与不同海域的沉积物声速进行对比分析, 并对各个站位的声速与沉积物的平均粒径进行了相关性分析, 发现与以往研究结果一致, 沉积物声速与沉积物类型相关, 不同类型的沉积物的声速有明显差异;声速与平均粒径相关性较好, 粒径越大, 声速越高。结果表明, 利用海底沉积物声学性质原位测量系统测得的原位声速是正确的, 它能快速准确地得到海底沉积物的声速值。 |
| 关键词: 海底沉积物 原位测量 声速 |
| DOI： |
| 分类号: |
| 基金项目:国家863 计划项目(2006AA09Z116) |
|
| Test of an in situ measurement system of marine sediments |
|
LI Yan-hua,GUO Chang-sheng,LI Hui-yin,TAN Bao-hai
|
| Abstract: |
| In this paper, we put forward a new method of measuring the in situ velocity of marine sediments and introduced the in situ measurement system of marine sediments. The system was tested in Qingdao offshore area. We compared the velocity of different sea sediments and analyzed the correlation between mean grain size and velocity by regression analysis. The results indicated that the different sediments had different velocities and the sediments with coarser grains had higher velocity. The results were accurate by contrast with previous research. The research in this paper verifies that the measurement system can measure the velocity quickly and accurately. |
| Key words: marine sediments in situ measurement acoustic velocity |
