PANGAEA_996855 Sediment echosounder raw data (Atlas Parasound P70 echosounder entire dataset) of RV MARIA S. MERIAN during cruise MSM141/2 Walter, Annika L.; Cortes, Alessandra; Nitsche, Frank; Sternberg, Harald Sediment echosounder raw data (Atlas Parasound P70 echosounder entire dataset) of RV MARIA S. MERIAN during cruise MSM141/2 2026-08-27 PANGAEA Dataset https://doi.pangaea.de/10.1594/PANGAEA.996855 Investigator Annika L. Walter annika.walter@hcu-hamburg.de Earth Science Binary Object Binary Object (Media Type) Binary Object (File Size) Binary Object (MD5 Hash) File content DATE/TIME LATITUDE LONGITUDE Comment geoscientificInformation ATLAS Parasound P70 Deep-Sea Parametric Sub-Bottom Profiler MSM141/2 MSM141/2_0_Underway-4 PARASOUND Sediment sub-bottom profiles Maria S. Merian 2025-12-11 2025-12-17 Complete -17.215439 11.575237 -35.025437 -22.686757 unrestricted CC-BY-4.0: Creative Commons Attribution 4.0 International English PANGAEA Data Publisher for Earth & Environmental Science https://www.pangaea.de/ Data Center Contact Michael Diepenbroek info@pangaea.de

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Bremen Bremen 28359 Germany online 8137 data points text/tab-separated-values Nitsche, Frank; Koukousioura, Olga; Scherwaß, Anja; Sachs, Maria; Wagenhofer, Julian; Dormeyer, Matthias; Theocharidis, Nikolaos; Bauer, Jan; Nisius, Henrik; Kinne, Stefan; Tuinder, Olaf; Stammes, Piet; Cortes, Alessandra; Walter, Annika L. (2026): Collecting Atmospheric Reference Data - DN in latitude leg, Cruise No. MSM141/2, 9.12.2025 - 22.12.2025, Rio de Janeiro (Brazil) - Las Palmas (Canary Is, Spain). MARIA S. MERIAN-Berichte, Begutachtungspanel Forschungsschiffe, MSM141/2, 48 pp, https://doi.org/10.48433/cr_msm141_2 Walter, Annika L.; Cortes, Alessandra: Acquisition logbook of sediment echosounder raw data (Atlas Parasound P70 echosounder entire dataset) of RV MARIA S. MERIAN during cruise MSM141/2. https://download.pangaea.de/reference/141275/attachments/Logbook_SBP_Transit.xlsx

The provided data was collected on the research vessel Maria S. Merian during the MSM141/2 transit cruise from Rio de Janeiro (Brasil) to Las Palmas (Canary Islands, Spain). The survey took place from 09.12.2025 – 22.12.2025. Data was collected from 11.12.2025 until 17.12.2025 outside the exclusive economic zones. The hull-mounted parametric sub-bottom profiler Atlas Parasound P70 was used used to gather information about the water column and to profile the sub-bottom of the ocean. In order to do so, the instrument was operated with a primary high frequency (PHF) of 18 kHz and a secondary low frequency (SLF) of 4 kHz. While the PHF was used to record the water column, the SLF was used to record the sub-bottom. The data was logged using the software Atlas Parastore and stored in raw .ASD files. During the acquisition the sub-bottom profiler was monitored and settings as well as filters adjusted according to the prevailing environment. A Multibeam Echosounder and an Acoustic Doppler Current Profiler were operated in parallel. The data are unprocessed and can therefore contain incorrect depth measurements (artifacts) if not further processed. Note that refraction errors may occur when no proper SVP is applied. The acquisition of the data was done by the HafenCity University Hamburg. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.996855"!

http://en.wikipedia.org/wiki/ISO_6709 LATITUDE http://en.wikipedia.org/wiki/ISO_6709 LONGITUDE http://en.wikipedia.org/wiki/ISO_8601 DATE/TIME https://doi.org/10.48433/cr_msm141_2 Collecting Atmospheric Reference Data - DN in latitude leg, Cruise No. MSM141/2, 9.12.2025 - 22.12.2025, Rio de Janeiro (Brazil) - Las Palmas (Canary Is, Spain) https://en.wikipedia.org/wiki/RV_Maria_S._Merian Maria S. Merian https://hdl.handle.net/10013/epic.26909.d007 ATLAS Parasound P70 Deep-Sea Parametric Sub-Bottom Profiler DIF 9.4 2026-08-27 2026-10-12