measurement of the sound of fast crafts by examining the noise in the sea and measuring the noise of different boats at different speeds and the amount of noise pollution in the Persian Gulf using the transmission loss calculation model

No doubt the sound production in the last century has increased greatly from sources such as sonar, oil cargo ships, seismic devices, oil and gas drilling exploration, offshore pile-driving, etc. This is a kind of pollution called noise pollution. Noise can cause stress in animals, increase their risk of being hunted, and disrupt the reproductive system of some species. These effects can be a function of the frequency and intensity of the sound and the duration of the sound exposure. It is necessary to measure floating noise in shallow waters by sound simulation to calculate the transmission loss according to the standard. In this study, in addition to field measurement of the noise of a rigid buoy using standard measurement principles, the effect of buoyant noise waves and other sources of noise generation in seas and oceans on marine life for different species has been investigated. In this research, first, different sources of noise generation are produced and the effect of different sources of noise on marine and marine life is expressed. In the next part, the transmission loss in the environment is calculated by simulating the environment and in the last part, the noise level of the three fast crafts is measured. We deal with different issues and, finally, offer some suggestions for reducing the noise of the hard-hover.