Titlebook: Natural Physical Sources of Underwater Sound; Sea Surface Sound (2 B. R. Kerman Book 1993 Springer Science+Business Media Dordrecht 1993 Oc

Cervical-Spine

Depth Dependence and Some Anomalous Effects of Noise from Surface Wave Interactionsay 5000 m deep. Substantially higher noise levels are to be expected at receivers in the near field (depths up the several hundred metres). This paper compares the theoretical and measured depth dependence results. At 50 m depth, noise levels may be up to 20 dB higher than at 5000 m. The noise gene

Ligament

Deep-Water Sea-Floor Array Observations of Seismo-Acoustic Noise in the Eastern Pacific and Comparis 3800 meters off the California coast. The array recorded noise samples four times per day for a month using pressure and three-component inertial sensors..Comparison of the month-long noise spectrograms with swell spectrograms and wind hind-casts shows marked similarities. In the 0.05–1.0 Hz range

interpose

Observations of the Near-Field Double Frequency Pressure Spectrum in the Upper Ocean Using the Carteharacteristics in the spectral band of pressure fluctuations centered near 0.175 Hz. The spectral peak that is commonly found in this band is associated with the nonlinear quadratic sum interactions between sea-surface gravity waves of equal frequencies but with opposing directional components. The

GAVEL

An Analysis of the ULF Acoustic Noise Field in the Oceant is believed that at least three noise generation mechanisms are responsible for the behaviour observed. This paper is an attempt to examine the theoretical basis for the ULF spectrum in terms of those mechanisms believed to be active.

浸软

Observations and Causes of Ocean and Seafloor Noise at Ultra-Low and Very-Low Frequenciesly colored and physically interesting. Modern seafloor seismic and acoustic instrumentation has largely eliminated instrumental effects in noise measurements and a clear picture of the behavior of Earth noise has emerged. In this paper, we present hypotheses for the generation and propagation of sea

储备

Very Low Frequency Sound Studied Using Multi-Element Seafloor Arrayswith ambient noise in the band from 0.001 to 1 Hz. The coherence varies with frequency and distance between pairs of instruments within the 95 km aperture array. A maximum likelihood technique has been used to calculate wavenumber and frequency spectra for various intervals within the data set. The

hegemony

forecast

气候

Phonophobia

https://doi.org/10.1007/978-94-011-1626-8Ocean; Rain; Snow; Thunder; wind