haul_at_sea: Check of haul position on sea area

In RoME: Multiple Checks on MEDITS Trawl Survey Data

Check of haul position on sea area

Description

The function identify the hauls that don't fall in the user defined sea area.

Usage

haul_at_sea(DataTA,year,seas=RoME::MedSea,verbose = TRUE)

Arguments

DataTA	Haul data table according to MEDITS protocol (TA)
year	reference year for the analysis
seas	polygon shapefile defining the extension of the sea area. The default MedSea dataset is referred to the Mediterranean and Black Sea area.
verbose	boolean variable returning verbose output if TRUE

Details

The function check whether the haul position falls in the polygon seas defining the extension of the reference sea area.

Value

The function returns the list of the hauls out of the seas polygon. In case only starting haul positions are out of the sea's area a data frame is returned. If both starting and end positions are out of the polygon an object of class list is returned.

Author(s)

W. Zupa, I. Bitetto

References

Anonymus. 2017. MEDITS-Handbook. Version n. 9. MEDITS Working Group. 106 pp. https://www.sibm.it/MEDITS%202011/principaledownload.htm

Examples

TA = RoME::TA
year = 2012
wd <- tempdir()
suffix="2020-03-05_time_h17m44s55"
haul_at_sea(TA,year, seas = MedSea, verbose = TRUE)

RoME documentation built on April 24, 2026, 1:07 a.m.