findBottom: Find the Ocean Bottom in an Echosounder Object

In oce: Analysis of Oceanographic Data

Find the Ocean Bottom in an Echosounder Object

Description

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

Usage

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

Arguments

x	an echosounder object.
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.

Author(s)

Dan Kelley

See Also

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

Other things related to echosounder data: [[,echosounder-method, [[<-,echosounder-method, as.echosounder(), echosounder-class, echosounder, plot,echosounder-method, read.echosounder(), subset,echosounder-method, summary,echosounder-method

oce documentation built on July 9, 2023, 5:18 p.m.