Ocean currents and acoustic backscatter data from shipboard ADCP measurements at three North Atlantic seamounts between 2004 and 2015

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Christian Mohn ; Anneke Denda ; Svenja Christiansen ; Manfred Kaufmann ; Florian Peine ; Barbara Springer ; Robert Turnewitsch ; Bernd Christiansen (2018)
  • Publisher: Elsevier
  • Journal: Data in Brief, volume 17, pages 237-245 (issn: 2352-3409, eissn: 2352-3409)
  • Related identifiers: doi: 10.1016/j.dib.2018.01.014, pmc: PMC5790814
  • Subject: DIVA gridding | R858-859.7 | Computer applications to medicine. Medical informatics | Earth and Planetary Sciences | Science (General) | Q1-390 | Northeast Atlantic | Shipboard ADCP | CODAS processing | Seamounts

Seamounts are amongst the most common physiographic structures of the deep-ocean landscape, but remoteness and geographic complexity have limited the systematic collection of integrated and multidisciplinary data in the past. Consequently, important aspects of seamount ecology and dynamics remain poorly studied. We present a data collection of ocean currents and raw acoustic backscatter from shipboard Acoustic Doppler Current Profiler (ADCP) measurements during six cruises between 2004 and 2015 in the tropical and subtropical Northeast Atlantic to narrow this gap. Measurements were conducted at seamount locations between the island of Madeira and the Portuguese mainland (Ampère, Seine Seamount), as well as east of the Cape Verde archipelago (Senghor Seamount). The dataset includes two-minute ensemble averaged continuous velocity and backscatter profiles, supplemented by spatially gridded maps for each velocity component, error velocity and local bathymetry. The dataset is freely available from the digital data library PANGAEA at https://doi.pangaea.de/10.1594/PANGAEA.883193. Keywords: Seamounts, Northeast Atlantic, Shipboard ADCP, CODAS processing, DIVA gridding
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