absorptionWater {bioSNR}

absorptionWater

Description

This function is a simplified method of calculating the absorption of sound in water proposed in Ainslie and McColm, 1998 and based on Francois and Garrison, 1982.

Usage

absorptionWater(f, pH = 8, t = 0, s = 35, z)

Arguments

f

The frequency of the sound source in kHz.

pH

The average acidity or pH of the water. Default is 8.

t

The average temperature of the water in Celsius. Default is 0.

s

The average salinity of the water in parts per thousand (ppt). Default is 35 ppt.

z

The depth in km.

Value

The sound attenuation rate in dB/km

Examples

#How much are blue whale calls (30 kHz) absorbed in a tropical region
#(30 deg C) assuming a salinity of 35 ppt, pH of 8, and a depth of 5 km?
absorptionWater(30, 8, 30, 35, 5)