Water column raw data (Kongsberg EM 122 working area dataset) of RV MARIA S. MERIAN during cruise MSM114/2 ...

The multibeam echo sounder Kongsberg EM122 was recording water column data from 25.01.2023 (07:21 UTC) to the 20.02.2023 (15:55 UTC) outside EEZs during the transit from Mindelo (Cabo Verde) to Punta Arenas (Chile). It operates with an acoustic frequency of about 12 kHz and has a beam opening of 2°...

Full description

Bibliographic Details
Main Authors: Lobo, Bertrand, Nischik, Timo, Nitsche, Frank
Format: Dataset
Language:English
Published: PANGAEA 2023
Subjects:
Bathymetry
Multibeam Echosounder
Event label
Binary Object
Binary Object Media Type
Binary Object File Size
Kongsberg datagram raw file name
File content
Data file recording duration
Data file recording distance
Ship speed
Number of pings
Start of data file recording, date/time
Start of data file recording, latitude
Start of data file recording, longitude
Start of data file, heading
Start of data file, depth
Stop of data file recording, date/time
Stop of data file recording, latitude
Stop of data file recording, longitude
Stop of data file, heading
Stop of data file, depth
DATE/TIME
LATITUDE
LONGITUDE
ELEVATION
Comment
EM122 multibeam echosounder
Extracted from file
Extracted with MB-System
MSM114/2
Maria S. Merian
Kongsberg
South Atlantic Ocean
Online Access:https://dx.doi.org/10.1594/pangaea.960134
https://doi.pangaea.de/10.1594/PANGAEA.960134
Description
Summary:The multibeam echo sounder Kongsberg EM122 was recording water column data from 25.01.2023 (07:21 UTC) to the 20.02.2023 (15:55 UTC) outside EEZs during the transit from Mindelo (Cabo Verde) to Punta Arenas (Chile). It operates with an acoustic frequency of about 12 kHz and has a beam opening of 2° x 2°. During MSM114/2 the fan opening angle was set between 110°- 120° resulting in a swath width of about 15 km in 5,000 m water depth. The dual-swath mode was used, resulting in up to 2 x 288 beams per ping. The raw and unprocessed water column data is stored in Kongsberg format (*.wcd) each containing up to 30 min of data. During the acquisition the echo sounder was monitored as well as settings and filter adjusted according to the environment. Additionally, a small survey in the South Atlantic Ocean was performed on the 13.02.2023 south of the Cruzeiro do Sul Rift. ... : These data should not be used for navigational purposes ...

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