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  • 2020-2024  (53)
  • 2005-2009  (103)
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  • 1
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    Seismic refraction and wide-angle reflection data from profile MSM71-P02 of Maria S. Merian cruise MSM71 in the Ligurian Basin, with links to SGY data files (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: During RV Maria S. Merian cruise MSM71 refraction and wide-angle reflection seismic data were acquired. We present profile P02 consisting of 15 seismic record sections (seg-y format) of the hydrophone components from three ocean bottom hydrophones (OBH204, OBH208, OBH212) and twelf ocean bottom seismometers (OBS201 - OBS203, OBS205-OBS207, OBS209-OBS211, OBS213-OBS215) along the SW-NE oriented seismic profile MSM71-P02, which is situated in the centre of the Ligurian Basin. The profile stretches over a distance of 127 km and was shot using an airgun array of six G-gun clusters with a total volume of 84 l (5440 cu in) at 190 bar. A total of 1079 shots were fired every 60 s (~123 m) with an airgun towed behind the vessel in a depth of 8 m. Data are unprocessed, however, they are corrected for instrument drift along the profile using the symmetry of the direct arrival and the data are time corrected.
    Keywords: Event label; File content; File format; File name; File size; Ligurian Basin; Maria S. Merian; Mediterranean; MSM71; MSM71_62-1; MSM71_63-1; MSM71_64-1; MSM71_65-1; MSM71_66-1; MSM71_67-1; MSM71_68-1; MSM71_69-1; MSM71_70-1; MSM71_71-1; MSM71_72-1; MSM71_73-1; MSM71_74-1; MSM71_75-1; MSM71_76-1; MSM71_77-1; OBH; OBH204; OBH208; OBH212; OBS; OBS201; OBS202; OBS203; OBS205; OBS206; OBS207; OBS209; OBS210; OBS211; OBS213; OBS214; OBS215; Ocean bottom hydrophone; Ocean bottom seismometer; P02; SEIS; Seismic; Seismic wide-angle reflection and refraction data; Uniform resource locator/link to metadata file; Uniform resource locator/link to sgy data file; Western Basin
    Type: Dataset
    Format: text/tab-separated-values, 209 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Microseismicity in the period 12/2018-01/2019 at the southern Fonualei Rift and Spreading Center, Lau Basin (2021)
    PANGAEA
    Details
    Publication Date: 2023-03-03
    Description: We provide a catalog of microseismicity recorded during a 32-days long deployment of ocean bottom seismometer (OBS) at the southern Fonualei Rift and Spreading Center in the Lau Basin, southwestern Pacific.
    Keywords: Azimuth gap in station coverage; backarc spreading center; Coordinate uncertainty; DATE/TIME; Fonualei Rift and Spreading Center; Hypocentre depth; Hypocentre depth, error; LATITUDE; Lau Basin; local earthquakes; LONGITUDE; Moment magnitude; Number of phase arrival observations; OBS; OBS006 / S006; OBS007 / S007; OBS008 / S008; OBS009 / S009; OBS010 / S010; OBS011 / S011; OBS013 / S013; OBS014 / S014; OBS015 / S015; OBS016 / S016; OBS329 / S004; OBS331 / S005; OBS348 / S002; OBS349 / S003; OBS350 / S001; Ocean bottom seismometer; Pacific; Root-mean-square residual of the solution; seismicity; SO267; SO267_16-10; SO267_16-11; SO267_16-12; SO267_16-13; SO267_16-3; SO267_16-4; SO267_16-5; SO267_16-6; SO267_16-7; SO267_16-9; SO267_2-37; SO267_2-38; SO267_2-45; SO267_2-46; SO267_2-47; Sonne_2; Time Stamp; Tonga
    Type: Dataset
    Format: text/tab-separated-values, 6615 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
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    ADCP current measurements (75 kHz) during RV SONNE cruise SO288 (2023)
    PANGAEA
    Details
    Publication Date: 2024-01-26
    Description: Upper-ocean velocities along the cruise track of Sonne cruise SO288 were continuously collected by a vessel-mounted Teledyne RD Instruments 75 kHz Ocean Surveyor ADCP. The transducer was located at 6.0 m below the water line. The instrument was operated in narrowband mode with 8 m bins and a blanking distance of 8.0 m, while 100 bins were recorded using a pulse of 1.45 s. The ship's velocity was calculated from position fixes obtained by the Global Positioning System (GPS). Heading, pitch and roll data from the ship's gyro platforms and the navigation data were used by the data acquisition software VmDas internally to convert ADCP velocities into earth coordinates. Accuracy of the ADCP velocities mainly depends on the quality of the position fixes and the ship's heading data. Further errors stem from a misalignment of the transducer with the ship's centerline. Data post-processing included water track calibration of the misalignment angle (-0.04° +/- 1.1923°) and scale factor (1.0023 +/- 0.0230) of the Ocean Surveyor signal. The average interval was set to 120 s. Velocity quality flagging is based on following threshold criteria: abs(UC) or abs(VC) 〉 1.5 m/s, rms(UC_z) or rms(VC_z) 〉 0.3.
    Keywords: COMBO; Current velocity, east-west; Current velocity, north-south; DAM_Underway; DAM Underway Research Data; DATE/TIME; DEPTH, water; Echo intensity, relative; LATITUDE; LONGITUDE; Pings, averaged to a double ensemble value; Quality flag, current velocity; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); SO288; SO288_0_Underway-6; Sonne_2; Vessel mounted Acoustic Doppler Current Profiler [75 kHz]; VMADCP-75
    Type: Dataset
    Format: text/tab-separated-values, 3068330 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    Continuous thermosalinograph oceanography along RV SONNE cruise track SO288 (2023)
    PANGAEA
    Details
    Publication Date: 2024-01-26
    Description: Underway temperature and salinity data was collected along the cruise track with two autonomous measurement systems, called self-cleaning monitoring boxes (SMBs). Usually, the SMBs are changed after ~12 hours. While temperature is taken at the water inlet in about 4 m depth, salinity is estimated within the SMB from conductivity and interior temperature. No temperature and salinity calibration were performed. For details to all processing steps see Data Processing Report.
    Keywords: Calculated from internal temperature and conductivity; COMBO; Conductivity; DAM_Underway; DAM Underway Research Data; DATE/TIME; DEPTH, water; Digital oceanographic thermometer, Sea-Bird, SBE 38; LATITUDE; LONGITUDE; Measurement container; Quality flag, salinity; Quality flag, water temperature; Salinity; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); SO288; SO288_0_Underway-5; Sonne_2; Temperature, water; Temperature, water, internal; Thermosalinograph; Thermosalinograph, Sea-Bird, SBE 45; TSG
    Type: Dataset
    Format: text/tab-separated-values, 259028 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    Multibeam bathymetry raw data (Kongsberg EM 122 entire dataset) of RV SONNE during cruise SO267 (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Multibeam bathymetry raw data was recorded in the Pacific during cruise SO267 that took place between 2018-12-11 and 2019-01-26. The data was collected using the ship's own Kongsberg EM 122. Sound velocity profiles (SVP) were applied on the data for calibration. SVP data are part of this dataset publication. This data is part of the DAM (German Marine Research Alliance) underway research data project.
    Keywords: Binary Object; Binary Object (File Size); Binary Object (Media Type); DAM_Underway; DAM Underway Research Data; Data file recording distance; Data file recording duration; DATE/TIME; ELEVATION; File content; KEM122; KONGSBERG EM122; LATITUDE; LONGITUDE; Multibeam Echosounder; Number of pings; Ship speed; SO267; SO267_0_Underway-1; Sonne_2; Start of data file, depth; Start of data file, heading; Start of data file recording, date/time; Start of data file recording, latitude; Start of data file recording, longitude; Stop of data file, depth; Stop of data file, heading; Stop of data file recording, date/time; Stop of data file recording, latitude; Stop of data file recording, longitude; Swath bathymetry
    Type: Dataset
    Format: text/tab-separated-values, 12564 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 6
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    Long-term OBS deployment in the period 12/2014 - 10/2016 offshore northern Chile with SEISAN waveform files and traveltime picks (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: This dataset includes earthquake locations from a 23 months long Ocean Bottom Seismometer (OBS) experiment conducted in response to the 2014 Mw 8.1 Iquique earthquake at the northern Chilean subduction zone. The experiment is separated into two subsequent OBS networks from December 2014 until October 2016. The accompanying zip-file SEISAN_WAV.zip includes raw waveform data for all earthquakes, the file Nordic.nor (ASCII Table) that includes all phase onset picks of all earthquakes. All data in the zipped archives can be used with the SEISAN seismology software.
    Keywords: 2014 Iquique earthquake; Binary Object; Binary Object (File Size); File content; Geodetic Earthquake Observatory on the SEAfloor; GeoSEA; GEOSEA; JPIO; local earthquakes; Marcus G. Langseth; MGL1610; MGL1610_OBA3; MGL1610_OBC6; MGL1610_OBC7; MGL1610_OBC8; MGL1610_OBN1; MGL1610_OBN2; MGL1610_OBN3; MGL1610_OBN6; MGL1610_OBN7; MGL1610_OBS1; North Chile; OB01; OB010; OB012; OB013; OB014; OB015; OB02; OB03; OB05; OB06; OB07; OB09; OB10; OB12; OB13; OB14; OB15; OBA3; OBC6; OBC7; OBC8; OBN1; OBN2; OBN3; OBN6; OBN7; OBS; OBS1; Ocean bottom seismometer; OVP TORO; OVP-TORO; OVP-TORO_01; OVP-TORO_02; OVP-TORO_03; OVP-TORO_05; OVP-TORO_06; OVP-TORO_07; OVP-TORO_09; OVP-TORO_10; OVP-TORO_12; OVP-TORO_13; OVP-TORO_14; OVP-TORO_15; Pacific; SECO; SEISAN seismology software; seismicity; SO244/1; SO244/1_10-1; SO244/1_1-1; SO244/1_14-1; SO244/1_23-1; SO244/1_28-1; SO244/1_4-1; SO244/1_43-1; SO244/1_45-1; SO244/1_47-1; SO244/1_49-1; SO244/1_6-1; SO244/1_8-1; SO244/2; SO244/2_9-1_OBA3; SO244/2_9-1_OBC6; SO244/2_9-1_OBC7; SO244/2_9-1_OBC8; SO244/2_9-1_OBN1; SO244/2_9-1_OBN2; SO244/2_9-1_OBN3; SO244/2_9-1_OBN6; SO244/2_9-1_OBN7; SO244/2_9-1_OBS1; Sonne_2; South Pacific Ocean; subduction zone; The Fine Structure of a Seismogenic Zone Revealed by Aftershocks of the 2014 Iquique Mw 8.1 Earthquake
    Type: Dataset
    Format: text/tab-separated-values, 4 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 7
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    2D Magnetic profile data crossing the Mangatolu Triple Junction and the Fonualei Rift Spreading Centre in the northern Lau Basin, measured along profile P02 during SONNE cruise SO267 (2022)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: The dataset comprises measurements of the total intensity of the magnetic field measured with a towed Overhauser sensor and calculated magnetic anomalies. The data were measured along a E-W trending profile at ~16°S in the northern Lau Basin and were acquired in January 2019 as part of the SO267 cruise.
    Keywords: BGR-18-202; BGR18-2R2 (P02); DATE/TIME; Depth, bathymetric; Distance; Event label; Fonualei Rift and Spreading Center; LATITUDE; Lau Basin; LONGITUDE; Magnetic anomaly; Magnetic Anomaly; Magnetic field, total intensity; MCSEIS; Multichannel seismics; SO267; SO267_81-1_P02; SO267_86-1; Sonne_2; Station label; Total Magnetic Field
    Type: Dataset
    Format: text/tab-separated-values, 470761 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 8
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    Master track of SONNE cruise SO288 in 1 sec resolution (zipped, 14.2 MB) (2022)
    PANGAEA
    In:  GEOMAR - Helmholtz Centre for Ocean Research Kiel
    Details
    Publication Date: 2024-04-20
    Description: Raw data acquired by position sensors on board RV SONNE during expedition SO288 were processed to receive a validated master track which can be used as reference of further expedition data. During SO288 the motion reference unit Kongsberg SeaTex AS MRU-5 combined with Kongsberg SeaTex AS Seapath 320 and two GPS receivers SAAB MGL-4 were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.bsh.de) with a resolution of 1 sec. Processing and evaluation of the data is outlined in the data processing report. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: 1 sec resolution; COMBO; CT; DAM_Underway; DAM Underway Research Data; Pacific Oean; SO288; SO288-track; Sonne_2; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 14.2 MBytes
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 9
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    Microseismicity in the period 12/2018-01/2019 at the southern Fonualei Rift and Spreading Center, Lau Basin, with SEISAN waveform files and traveltime picks (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: This dataset includes earthuake location results from a 32-days long Ocean Bottom Seismometer (OBS) experiment conducted at the southern end of the Fonualei Rift and Spreading Center in the Lau Basin, southwestern Pacific. The experiment was conducted during RV Sonne cruise SO267, project ARCHIMEDES I. The accompanying zip-file "SEISAN_files.zip" includes raw waveform data for all earthquakes and the file "select.out" that includes all manual phase onset picks of all earthquakes. All data in the zipped archive "SEISAN_files.zip" may be processed and used with the SEISAN seismology software.
    Keywords: backarc spreading center; Fonualei Rift and Spreading Center; Lau Basin; local earthquakes; Pacific; seismicity; Tonga
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 10
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    Ocean bottom hydrophone sgy-files of seismic refraction and wide-angle data from profile P02 during SONNE cruise SO267 (2022)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: The dataset contains ocean bottom hydrophone data acquired on profile P02 during RV Sonne Expedition SO267 (project ARCHIMEDES I) to the Lau Basin, Southwestern Pacific. 27 OBS recorded the seismic survey successfully and returned data for the two consecutively performed acquisitions, once with a 50m shot interval and once with a 170m shot interval. The stations 207, 215 and 229 suffered from recorder errors, which prevented or interfered with the redording of data and thus their analysis.
    Keywords: back-arc basins; BGR-18-202; Binary Object; Event label; File content; Lau Basin; MCSEIS; Multichannel seismics; OBH; OBS; OBS201; OBS202; OBS203; OBS204; OBS205; OBS206; OBS208; OBS209; OBS210; OBS211; OBS212; OBS213; OBS214; OBS216; OBS217; OBS218; OBS219; OBS220; OBS221; OBS222; OBS223; OBS224; OBS225; OBS226; OBS227; OBS228; OBS230; Ocean bottom seismometer; seismic refraction; seismics; SO267; SO267_80-1_OBS201; SO267_80-1_OBS202; SO267_80-1_OBS203; SO267_80-1_OBS204; SO267_80-1_OBS205; SO267_80-1_OBS206; SO267_80-1_OBS208; SO267_80-1_OBS209; SO267_80-1_OBS210; SO267_80-1_OBS211; SO267_80-1_OBS212; SO267_80-1_OBS213; SO267_80-1_OBS214; SO267_80-1_OBS216; SO267_80-1_OBS217; SO267_80-1_OBS218; SO267_80-1_OBS219; SO267_80-1_OBS220; SO267_80-1_OBS221; SO267_80-1_OBS222; SO267_80-1_OBS223; SO267_80-1_OBS224; SO267_80-1_OBS225; SO267_80-1_OBS226; SO267_80-1_OBS227; SO267_80-1_OBS228; SO267_80-1_OBS230; SO267_81-1_P02; Sonne_2; South Pacific Ocean
    Type: Dataset
    Format: text/tab-separated-values, 114 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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