Acoustic data collected by wideband autonomous transceiver (WBAT, 35 to 445 kHz) during RV Sarmiento de Gamboa cruise 'Sustainable Management of Mesopelagic Resources' (SUMMER) in 2020 to the Mediterranean


A lowerable acoustic wideband autonomous transceiver (WBAT) was deployed during the 2020 SUMMER (Sustainable Management of Mesopelagic Resources) Mediterranean cruise (30 September 2020 to 18 October 2020) aboard the R/V Sarmiento de Gamboa. In total 31 drops were conducted with a depth range from 0 to 500 m to make close up broadband observations of scattering layers. Some of the deployments were done in parallel to ship-based stationary EK80 recordings in fequency modulated mode. There were 4 transducers (with nominal frequencies at 38, 120, 200 and 333 kHz) used with a frequency band covering 35 to 445 kHz. A maximum volume of 100 MB per individual raw file was used, and the recording range was set to 100 m for all frequencies. Transmitted power for 4 transducers from 38 to 333 kHz was set to 225, 125, 75 and 25 W, respectively. Calibration data were recorded in part of the deployments using a 33 mm tungsten sphere. Raw power (W), number of transducer segments and transceiver impedance (Ohm) were stored in raw proprietary Simrad format (.raw). The raw files were recorded according to the UTC-01:00 time zone, the metadata below use UTC+00:00.

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Creator Yang, Yang ORCID logo; Proud, Roland ORCID logo; Castellón, Arturo; Sabatés, Ana; Olivar, M Pilar ORCID logo; Brierley, Andrew S ORCID logo
Publisher PANGAEA
Publication Year 2023
Funding Reference Horizon 2020 Crossref Funder ID 817806 Sustainable management of mesopelagic resources
Rights Creative Commons Attribution 4.0 International;
OpenAccess true
Language English
Resource Type Dataset
Format text/tab-separated-values
Size 3118 data points
Discipline Acoustics; Engineering Sciences; Mechanical and industrial Engineering; Mechanics and Constructive Mechanical Engineering
Spatial Coverage (-9.830W, 35.930S, 3.290E, 42.070N); Iberian Peninsula
Temporal Coverage Begin 2020-09-30T07:25:16Z
Temporal Coverage End 2020-10-18T22:19:59Z