surface_light: Find surface light measurements during casts

In sean-rohan/TLUtilities: Useful functions for working with trawllight

Description

Uses cast start and end times to find concurrent measurements obtained by the deck-mounted archival tag, including a buffer. The buffer is added around the start and end times, so a 30 second buffer = one minute.

Usage

surface_light(
  light.data,
  cast.data,
  time.buffer = 30,
  agg.fun = trawllight::geometric.mean,
  ...
)

Arguments

light.data	Light measurements from the surface/deck archival tag.
cast.data	Haul event times indicating the start and end times for net deployment and retrival.
time.buffer	Time buffer before and after the start of the cast.
agg.fun	Function applied to calculate central tendency metric for light measurements sampled during the cast time window. Default trawllight::geometric.mean

sean-rohan/TLUtilities documentation built on Sept. 30, 2021, 2:34 a.m.