Betzler Christian christian.betzler@uni-hamburg.de http://www.uni-hamburg.de/geol_pal/betzler.html 0000-0002-5757-4553 Fürstenau Jörn Hübscher Christian christian.huebscher@uni-hamburg.de 0000-0001-7380-2344 Jaramillo-Vogel David david.jaramillo@particle-vision.ch Lindhorst Sebastian sebastian.lindhorst@uni-hamburg.de 0000-0001-9615-4167 Römer Miriam mroemer@marum.de 0000-0003-2540-9286 2022 Multibeam bathymetry raw data (EM 120 echosounder entire dataset) of RV METEOR during cruise M74/4 dataset https://doi.org/10.1594/PANGAEA.942457 2022-03-17T16:18:51 Multibeam bathymetry raw data using the ship's own Kongsberg (Simrad) EM 120 multibeam echosounder was not continuously recorded during RV METEOR cruise M74/4. Data was recorded on 15 days between 2007-11-30 and 2007-12-14. This dataset contains a survey at the islands of the Maldives. The approximate average depth of the entire dataset is around 700m. The data are archived at the Federal Maritime and Hydrographic Agency of Germany (Bundesamt für Seeschifffahrt und Hydrographie, BSH) and provided to PANGAEA database for data curation and publication. Ancillary sound velocity profiles (SVP) files from the cruise are not archived at the BSH, thus no SVP files are added to this dataset. However, data analysis of the multibeam raw data revealed that SVP has been changed several times during the survey. This publication is conducted within the efforts of the German Marine Research Alliance in the core area "Data management and Digitalization" (Deutsche Allianz Meeresforschung, DAM). Data are unprocessed and therefore contains incorrect depth measurements (artifacts) without further processing. Overall, it appears that the data quality is rather good to moderate since the gridded hillshade data showed relatively few obstacles. It appears, that the Kongsberg EM 710 multibeam echosounder was simultaneously running during data acquisition since the coverage is nearly the same (https://doi.org/10.1594/PANGAEA.942458). However this did not significantly affecting data quality (nevertheless, based on the data, whether a direct interference between both system exists is unknown). Data can be processed e.g. with the open source software package MB-System (Caress, D. W., and D. N. Chayes, MB-System: Mapping the Seafloor, http://www.mbari.org/products/research-software/mb-system/, 2022). 72.6159129 73.5762658 3.910191 5.13181235 73.15910779402657 4.494364269358407 2007-11-30T04:30:52 2007-12-14T04:05:39 -2352.12 0.54 not specified DAM_Underway DAM Underway Research Data https://www.allianz-meeresforschung.de/kernbereiche/datenmanagement-und-digitalisierung#unterwegs DataHub DataHub Earth and Environment of the Helmholtz Association https://helmholtz.software/projects/datahub Federal Ministry of Education and Research BMBF https://www.bmbf.de/ https://doi.org/10.13039/501100002347 03S0405 https://foerderportal.bund.de/foekat/jsp/SucheAction.do?actionMode=view&fkz=03S0405 M74/4_0_Underway-1 4.1897981 73.4987313 2007-11-30T04:30:52 4.1562321 73.5114087 2007-12-14T04:35:32 M74/4 M74/4 NEOMA: The Neogene of the Maldives NEOMA: The Neogene of the Maldives Male, Maldives 2007-11-30T00:00:00 2007-11-30 Port Louis 2007-12-22T00:00:00 2007-12-22 Meteor (1986) https://en.wikipedia.org/wiki/RV_Meteor_(1986) DBBH 8411279 Betzler, Christian Betzler, Christian doi:10.2312/cr_m74 20080001 hdl:10013/epic.44784.d026 hdl:10013/epic.44803.d106 Meteor (1986) https://en.wikipedia.org/wiki/RV_Meteor_(1986) DBBH 8411279 Swath-mapping system Simrad EM-120 (Kongsberg Maritime AS) hdl:10013/epic.26900.d001 Hydroacoustic devices Kongsberg Simrad EM 120 multibeam echosounder http://vocab.nerc.ac.uk/collection/L22/current/TOOL0386/ Event shows start/end point (date/time & coordinates) of first/last data record using Kongsberg (Simrad) EM 120 multibeam echosounder during cruise M74/4 7724 CC-BY-4.0 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ These data should not be used for navigational purposes. Data publishing was realized by Daniel Damaske, MARUM - Center for Marine Environmental Sciences (University Bremen). 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