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°...
Main Authors: | , , |
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Format: | Dataset |
Language: | English |
Published: |
PANGAEA
2023
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Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.960134 https://doi.org/10.1594/PANGAEA.960134 |
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. |
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