Abstract:

Velocity profiles were collected by a moored Acoustic Doppler Current Profiler (ADCP) on the Yucatan shelf. The Teledyne 1200 kHz ADCP was moored looking upward at 21.39401°N, -89.25113°E in approximately 9.6 m of water, collecting data from 2018-10-10 to 2018-11-02. The dataset contains the 20 seconds averaged output from the ADCP instrument, as well as a list defining the included variables.

Suggested Citation:

Valle-Levinson, Arnoldo. 2021. Moored Acoustic Doppler Current Profiler (ADCP) data from the Yucatan Peninsula, 2018-10-10 to 2018-11-02. Distributed by: GRIIDC, Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/n7-7es0-dy94

Purpose:

The identification of Langmuir cells.

Data Parameters and Units:

AnDepthmm (Depth, [mm]), AnH100thDeg (Instrument Heading, [ 1/100 of degrees]), AnP100thDeg (Instrument Pitch, [1/100 of degrees]), AnR100thDeg (Instrument Roll, [1/100 of degrees]), AnT100thDeg (Temperature at transducer, [1/100 of degrees]), RDIBin1Mid (Middle of bin #1, [m]), RDIBinSize (Bin size, [m]), RDIEnsDate (18/10/10 - date of first profile), RDIEnsInterval (19.9996 - 20-second interval), RDIEnsTime ('17:42:00.00' Time of first profile), RDIFileName, RDIPingsPerEns (40 pings per ensemble (every 20 seconds), RDISecPerPing (0.5 sec/ping (reported as 0, though), RDISystem (Broadband 1228.8 kHz), SerBins (41 bins [1:1:41]), SerCAcnt (Correlation), SerDay (Day for each profile), SerEAAcnt (Echo Amplitude), SerEmmpersec (East Velocity component, [mm/s]), SerEnsembles (Profile # (eliminate first 20), SerErmmpersec (Error velocity, [mm/s]), SerHour (Hour of profile measurement), SerHund (Hundredth of sec for each measurement), SerMin (Minute of profile measurement), SerMon (Month of profile measurement), SerNmmpersec (Velocity component, [mm/s]), SerPG4 (Percent Good), SerSec (Seconds of each profile), SerVmmpersec (Vertical velocity component [mm/s]), SerYear (Year of each profile).

Methods:

The data were collected at 2 Hz with 41 bins of 0.25 m size. They were averaged at 20 seconds. The center of the first bin is 0.65 m above the mooring depth.

Instruments:

Teledyne broadband 1200 kHz ADCP

Error Analysis:

The first twenty profiles should be discarded due to data irregularities as the instrument was still being positioned.

Individual Files: