John, Uwe (2026): Water column raw data (Kongsberg EM 124 entire dataset) of RV MARIA S. Merian during cruise MSM139 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.989867
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Published: 2026-02-20 • DOI registered: 2026-03-21
Abstract:
Raw water column data were collected aboard RV MARIA S. Merian during cruise MSN139 using a Kongsberg EM 124 multibeam echosounder. The expedition took place during 2025-07-25 – 2025-08-27 from Reykjavik (Iceland) to Reykjavik (Iceland) in the North Atlantic. The overall goal of MSM139 was to investigate the interactions between hydrography, bio-optics, planktonic composition and community connectivity (especially toxigenic algae and their toxins). This is in combination with environmental genomic approaches (metatranscriptomics, metabarcoding, population genomics, paleometagenomics) conducted in five research areas in West Greenland fjords and coastline which differ in their ice coverage, glacial melt water runoffs, and history. The survey results will be used to estimate quantifiable effects of harmful algae blooms on the ecosystem, which are driven by an accelerated glacial melt water runoff. In addition, sediments will be examined for resting stages (cysts) and paleo-communities, focusing on toxigenic species. Data were recorded within the Danish EEZ (Greenland and Faeroe) and the Icelandic EEZ. Sound velocity profiles (SVP) were applied on the data for calibration. Please see environmental data and the cruise report for details. 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. Data acquisition was done by AWI, provision of the data is supported by the DAM Project Underway Research Data and published according to the FAIR principles.
Related to:
John, Uwe; Wölfl, Anne-Cathrin (2026): Multibeam bathymetry raw data (Kongsberg EM 124 entire dataset) of RV MARIA S. Merian during cruise MSM139 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.989866
Project(s):
DAM Underway Research Data (DAM_Underway)
Funding:
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0945A: GreenHAB: Risiken der durch den Klimawandel verursachten schädlichen Algenblüte in grönländischen Gewässern
Coverage:
Median Latitude: 62.461400 * Median Longitude: -30.590500 * South-bound Latitude: 62.441800 * West-bound Longitude: -30.937000 * North-bound Latitude: 62.481000 * East-bound Longitude: -30.244000
Date/Time Start: 2025-07-26T13:21:11 * Date/Time End: 2025-08-25T12:01:52
Minimum Elevation: -2231.0 m * Maximum Elevation: -2178.0 m
Event(s):
MSM139_0_Underway-4 * Latitude Start: 62.481000 * Longitude Start: -30.937000 * Latitude End: 62.441800 * Longitude End: -30.244000 * Date/Time Start: 2025-07-26T13:21:11 * Date/Time End: 2025-08-25T12:01:52 * Elevation Start: -2178.0 m * Elevation End: -2231.0 m * O2A Registry URI: https://registry.o2a-data.de/items/12180 * Campaign: MSM139 (GreenHab) * Basis: Maria S. Merian * Method/Device: EM124 multibeam echosounder (EM124) * Comment: Event shows start/end point (date/time & coordinates) of first/last data record using Kongsberg EM 124 multibeam echosounder during cruise MSM139
Parameter(s):
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
358 data points