文献类型：期刊文献

英文题名：Underwater Noise Characteristics of the Tidal Inlet of Zhanjiang Bay

作者：Huo, Xinze[1];Zhang, Peizhen[1];Yuan, Yiquan[2];Li, Gaocong[1];Tang, Jieping[1];Shi, Benwei[3]

机构：[1]Guangdong Ocean Univ, Coll Elect & Informat Engn, Zhanjiang 524088, Peoples R China;[2]Shanghai Wildlife & Protected Nat Areas Res Ctr, Shanghai 202162, Peoples R China;[3]East China Normal Univ, State Key Lab Estuarine & Costal Res, Shanghai 200241, Peoples R China

年份：2023

卷号：15

期号：20

外文期刊名：WATER

收录：SCI-EXPANDED(收录号：WOS:001095309700001)、、EI(收录号：20234515008891)、Scopus(收录号：2-s2.0-85175458233)、WOS

基金：This research was funded by the stable supporting fund of the Acoustics Science and Technology Laboratory, grant number JCKYS2021604SSJS008, the National Natural Science Foundation of China, grant number 11974084, the National Natural Science Foundation of Guangdong Province,grant number 2022A1515011067, and the Guangdong Basic and Applied Basic Research Foundation,grant number 2022A1515240023.

语种：英文

外文关键词：marine-environmental noise; frequency-correlation matrix; noise-power spectrum; average-spectral peak

外文摘要：The coupling mechanism between natural and anthropogenic noise in shallow marine areas is of great significance for maintaining the ecological safety of these regions. In this study, a section of Zhanjiang Bay's entrance was selected as a typical research area, and environmental noise data at different depths were collected during the spring and autumn seasons. The spectral characteristics, sound pressure levels, and underwater noise frequency correlation matrices of environmental noise were analyzed to reveal the underwater noise characteristics of tidal channels in Zhanjiang Bay and their main influencing factors. The results show that underwater noise in this study area had a stable frequency band distribution. In the low-frequency range of 20-50 Hz, the main source of noise was the flow noise influenced by tides and topography, with a peak sound pressure level of approximately 97 dB. In the frequency range of 50 Hz to 500 Hz, the main noise sources were ships at sea, followed by wind-generated noise. At frequencies above 500 Hz, the noise intensity decreased. In addition, it was found that the sound pressure level in the low-frequency range had a significant correlation with the tidal level, increasing with the rise of the tide and decreasing during low tides. This study provides a research case on the impact that human noise activity has on environmental noise in shallow marine bays. These research findings can support the selection of sites and reduce construction noise from offshore wind farms, as well as ensure the acoustic ecological environment in the vicinity of marine ranches.