PANGAEA_993201 Multibeam bathymetry raw data (EM 120 echosounder entire dataset) of RV METEOR during cruise M77/2 Schneider, Ralph R; Ferreira, Christian; Tepe, Nathalie; Wintersteller, Paul Multibeam bathymetry raw data (EM 120 echosounder entire dataset) of RV METEOR during cruise M77/2 2026-05-12 PANGAEA Dataset https://doi.pangaea.de/10.1594/PANGAEA.993201 Earth Science Event label Binary Object Kongsberg datagram raw file name File content Data file recording duration Data file recording distance Ship speed Number of pings Start of data file recording, date/time Start of data file recording, latitude Start of data file recording, longitude Start of data file, heading Start of data file, depth Stop of data file recording, date/time Stop of data file recording, latitude Stop of data file recording, longitude Stop of data file, heading Stop of data file, depth DATE/TIME LATITUDE LONGITUDE ELEVATION Comment geoscientificInformation Bathymetry M77/2 M77/2_0_Underway-1 Multibeam Echosounder Swath-mapping system Simrad EM-120 (Kongsberg Maritime AS) Extracted from file Extracted with MB-System Meteor (1986) 2008-11-25 2008-12-21 Complete -15.1849048 0.50003805 -83.24086929999999 -75.66353950000001 -3839.18 m a.s.l. (ELEVATION) -5.68 m a.s.l. (ELEVATION) DAM_Underway DAM Underway Research Data 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

Leobener Str.

Bremen Bremen 28359 Germany online 22992 data points text/tab-separated-values Pfannkuche, Olaf; Frank, Martin; Schneider, Ralph R; Stramma, Lothar (2011): Climate-biogeochemistry interactions in the tropical ocean of the SE-American oxygen minimum zone, 2008 - 2009 : Cruise No. 77, Leg 1 - 4, October 22, 2008 - February 18, 2009 Talcahuano (Chile) - Callao (Peru) - Guayaquil (Ecuador) - Callao (Peru) - Colon (Panama). METEOR-Berichte, DFG-Senatskommission für Ozeanographie, M77, 163 pp, https://doi.org/10.2312/cr_m77

Multibeam bathymetry raw data using the ship's own Kongsberg (Simrad) EM 120 multibeam echosounder was almost continuously recorded during RV METEOR cruise M77/2. Data was recorded on 27 days between 2008-11-25 and 2008-12-21. This dataset contains a survey in the South Pacific Ocean close to the coast of Peru and Ecuador. The approximate average depth of the entire dataset is around 1700m, ranging from 120m to 1000m . 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. No ancillary sound velocity profiles (SVP) files from the cruise are archived at the BSH, thus no SVP files are added to this dataset. Data analysis of the multibeam raw data revealed that SVP has not been changed 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. Note that refraction errors can be expected due to the lack of proper SVP. Overall, it appears that the data quality is rather good since the gridded hillshade data showed relatively few obstacles. Note, that occasionally the EM710 device was partially operated at the same time, however it is not clear whether the simultaneous operation of both systems caused interference during data acquisition. Data can be processed e.g. with the open source software package MB-System (Caress et al. 2024, https://doi.org/10.5281/zenodo.6302801). ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.993201"! ** These data should not be used for navigational purposes. Data publishing was realized by Daniel Damaske, MARUM - Center for Marine Environmental Sciences (University Bremen).

http://en.wikipedia.org/wiki/Elevation ELEVATION http://en.wikipedia.org/wiki/ISO_6709 LATITUDE http://en.wikipedia.org/wiki/ISO_6709 LONGITUDE http://en.wikipedia.org/wiki/ISO_6709 Start of data file recording, latitude http://en.wikipedia.org/wiki/ISO_6709 Start of data file recording, longitude http://en.wikipedia.org/wiki/ISO_6709 Stop of data file recording, latitude http://en.wikipedia.org/wiki/ISO_6709 Stop of data file recording, longitude http://en.wikipedia.org/wiki/ISO_8601 DATE/TIME https://doi.org/10.2312/cr_m77 Climate-biogeochemistry interactions in the tropical ocean of the SE-American oxygen minimum zone, 2008 - 2009 : Cruise No. 77, Leg 1 - 4, October 22, 2008 - February 18, 2009 Talcahuano (Chile) - Callao (Peru) - Guayaquil (Ecuador) - Callao (Peru) - Colon (Panama) https://doi.org/10.5281/zenodo.6302801 Extracted with MB-System https://en.m.wikipedia.org/wiki/Heading_(navigation) Start of data file, heading https://en.m.wikipedia.org/wiki/Heading_(navigation) Stop of data file, heading https://en.wikipedia.org/wiki/ISO_8601 Start of data file recording, date/time https://en.wikipedia.org/wiki/ISO_8601 Stop of data file recording, date/time https://en.wikipedia.org/wiki/RV_Meteor_(1986) Meteor (1986) https://hdl.handle.net/10013/epic.26900.d001 Swath-mapping system Simrad EM-120 (Kongsberg Maritime AS) https://hdl.handle.net/10013/epic.37979 Kongsberg datagram raw file name https://www.allianz-meeresforschung.de/kernbereiche/datenmanagement-und-digitalisierung#unterwegs DAM_Underway DIF 9.4 2026-05-12 2026-05-12