oce (version 0.9-18)

findBottom: Find the ocean bottom in an echosounder object

Description

Find the ocean bottom in an echosounder object

Usage

findBottom(x, ignore=5, clean=despike)

Arguments

x

an object of class echosounder

ignore

number of metres of data to ignore, near the surface

clean

a function to clean the inferred depth of spikes

Value

• A list with elements: the time of a ping, the depth of the inferred depth in metres, and the index of the inferred bottom location, referenced to the object's depth vector.

Details

Finds the depth in a Biosonics echosounder file, by finding the strongest reflector and smoothing its trace.

See Also

The documentation for echosounder-class explains the structure of echosounder objects, and also outlines the other functions dealing with them.