oce (version 0.8-3)

adp: ADP (acoustic-doppler profiler) dataset

Description

This is a sampling of measurements made with an upward-pointing ADP (acoustic doppler current profiler) manufactured by Teledyne-RDI, as part of the St Lawrence Internal Wave Experiment (SLEIWEX).

Usage

data(adp)

source

This file came from the SLEIWEX-2008 experiment.

See Also

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

Examples

# How data were created
beam <- read.oce(
  "/data/archive/sleiwex/2008/moorings/m09/adp/rdi_2615/raw/adp_rdi_2615.000",
  from=as.POSIXct("2008-06-26", tz="UTC"), 
  to=as.POSIXct("2008-06-27", tz="UTC"),
  by="10:00", 
  latitude=47.88126, longitude=-69.73433)
xyz <- beamToXyzAdp(beam)
adp <- xyzToEnuAdp(xyz, declination=-18.1)

library(oce)
data(adp)

# Velocity components.  (Note: we should probably trim some bins at top.)
plot(adp)

# Note that tides have moved the mooring.
plot(adp, which=15:18)

# Do currents line up with bathymetry?
par(mfrow=c(1,2))
plot(adp, which="uv+ellipse+arrow")
data(coastlineSLE)
# plot local area
plot(coastlineSLE, center=c(adp@metadata$latitude,adp@metadata$longitude),
  span=50)
points(adp@metadata$longitude, adp@metadata$latitude, cex=3, col="red")