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Statistical characteristics of seabed sound velocity in the Jinzhou Bay based on high resolution sub-bottom profile data
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Fangqi Wang1, Changfei Tao1, Xubo Lin1, Lifeng Dong1
Haiyang Xuebao | 2020, 42(11) : 112 - 122
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Haiyang Xuebao | 2020, 42(11): 112-122
• Article •
Statistical characteristics of seabed sound velocity in the Jinzhou Bay based on high resolution sub-bottom profile data
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Fangqi Wang1, Changfei Tao1, Xubo Lin1, Lifeng Dong1
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  • 1 First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
Published: 2020-11-25 doi: 10.3969/j.issn.0253-4193.2020.11.011
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The sound velocity of marine sedimentary sequence is an important parameter. Finding out the changing rule of the seabed sound velocity is of extremely important significance. On the basis of distortion correction, by comparatively analyzing of high resolution sub-bottom profile data and borehole data, the accurate inversions of sound velocity in Holocene and above-bedrock sedimentary sequence are achieved in the Jinzhou Bay, Bohai Sea, China. Then, the characteristics and changing rules of seabed sound velocity in the study area are analyzed and discussed by statistical method. The 95% confidence interval of sound velocity of Holocene sequence is 1 449.60 m/s to 1 655.72 m/s, and the average is 1 560.34 m/s. The 95% confidence interval of sound velocity of above-bedrock sequence is 1 657.96 m/s to 1 970.80 m/s, and the average is 1 765.63 m/s. There is a significant positive linear correlation between the sound velocity of the sedimentary sequence and the burial depth in the study area, and the gradient of sound velocity is 4.18 s−1.

seabed sound velocity  /  sound velocity inversion  /  sub-bottom profile  /  statistical characteristics
Fangqi Wang, Changfei Tao, Xubo Lin, Lifeng Dong. Statistical characteristics of seabed sound velocity in the Jinzhou Bay based on high resolution sub-bottom profile data[J]. Haiyang Xuebao, 2020 , 42 (11) : 112 -122 . DOI: 10.3969/j.issn.0253-4193.2020.11.011
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Year 2020 volume 42 Issue 11
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Article Info
doi: 10.3969/j.issn.0253-4193.2020.11.011
  • Receive Date：2019-09-13
  • Online Date：2026-03-27
  • Published：2020-11-25
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  • Received：2019-09-13
  • Revised：2020-03-07
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    1 First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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