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  • Data  (2)
  • 1,1,1,2-Tetrafluoroethane; 1,1,2-Trichloro-1,2,2-trifluoroethane; 1,1-Dichloro-1-fluoroethane; 1,1-Difluoroethane; 1,2-Dibromotetrafluoroethane; 1,2-Dichloroethane; 1,2-Dichlorotetrafluoroethane; 1-Chlor-1,2,2,2-tetrafluorethan; 1-Chloro-1,1-difluoroethane; 23-10; ALTITUDE; Benzene; Bromochlorodifluoromethane; Bromoform; Bromomethane; Carbonyl sulfide; Chlorodibromomethane; Chlorodifluoromethane; Chloroform; Chloromethane; CT; DATE/TIME; Dibromomethane; Dichlorodifluoromethane; Dichloromethane; Dimethyl sulfate; Eastern Tropical North Atlantic; Ethyl nitrate; Event label; Isobutane; Isopentane; Isoprene; Isopropyl nitrate; LATITUDE; LONGITUDE; Methyl acetate; Methyl Chloroform; Methyl iodide; Methyl nitrate; n-Butane; n-Hexane; n-Pentane; n-Propyl nitrate; POS399/2; POS399/2-track; POS399/3; POS399/3-track; Poseidon; Propane; sec-Butyl nitrate; SOPRAN; Surface Ocean Processes in the Anthropocene; Tetrachlormethan; Tetrachloroethylene; Toluene; Trichlorfluormethan; Underway cruise track measurements  (1)
  • Seismic monitoring
Collection
  • Books
  • Data  (2)
Source
Keywords
Publisher
Years
  • 1
    facet.materialart.
    Unknown
    Seismic neTwoRk/Array in norThwEstern arGentina (STRATEGy) (2023)
    GFZ Data Services
    Details
    Publication Date: 2024-02-23
    Description: Abstract
    Description: The STRATEGy network was a temporary seismic network in the NW Argentinean Andean Foreland. It run for about 15 months between June 2016 and August 2017 and consisted of 13 stations for the most parts. Each station contains a Lennartz LE3D/5s seismometer, an Omnirecs DataCube³ext digitizer (100 Hz sampling rate) with external GPS antenna and internal flash memory. Station 14A consisted of a Mark L-4C-3D short-period sensor. The power was supplied through an external batteries that were recharged during the day via a solar panel. The sensors were oriented to magnetic north. The header of the waveform files (NSLC-IDs) still remained in its prior form (network code ST) and haven’t been adapted to the FDSN given code. Station codes (double digits) were assigned from North to South. The last digit of the station code is either A (for their initial position of a station site) or B (the station has been moved during the networks operation time due to low quality recordings at the respective initial site). Each site was chosen on 3 criteria: (1) minimizing the depth to bedrock, (2) maximizing remoteness, and (3) maximizing security, preferentially located within sight of nearby settlements. However, one station (02A) was lost due to theft and many others experienced recording gaps due to animals chewing on cables, malfunctions of electrical parts and mainly flooding of the stations during the austral summer monsoon. The overall network geometry evolved partially due to accessibility of remote locations, maintaining similar interstation distances and focusing around the epicenter of the Mw 5.7 El Galpón earthquake 9 months prior to the network’s starttime. The smallest depths to bedrock were achieved by concentrating the sites around two major bedrock ranges and their piedmont, Cerro Colorado and Sierra de la Candelaria. Waveform data are available from the GEOFON data centre, under network code 2S.
    Keywords: Broadband seismic waveforms ; Seismic monitoring ; temporary local seismic network ; Monitoring system ; EARTH SCIENCE 〉 SOLID EARTH 〉 TECTONICS 〉 VOLCANIC ACTIVITY ; In Situ/Laboratory Instruments 〉 Magnetic/Motion Sensors 〉 Seismometers ; In Situ Land-based Platforms 〉 GEOPHYSICAL STATIONS/NETWORKS
    Type: Dataset , Seismic Network
    Format: ~110G
    Format: .mseed
    Format: XML
    Location Call Number Expected Availability
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    DATA GFZ
  • 2
    facet.materialart.
    Unknown
    Underway measurements of halocarbons (air) during POSEIDON cruise POS399 in June 2010 (2013)
    PANGAEA
    In:  Supplement to: Fuhlbruegge, Steffen; Krüger, Kirstin; Quack, Birgit; Atlas, Elliot L; Hepach, Helmke; Ziska, Franziska (2013): Impact of the marine atmospheric boundary layer conditions on VSLS abundances in the eastern tropical and subtropical North Atlantic Ocean. Atmospheric Chemistry and Physics, 13(13), 6345-6357, https://doi.org/10.5194/acp-13-6345-2013
    Details
    Publication Date: 2024-02-16
    Description: During the DRIVE (Diurnal and Regional Variability of Halogen Emissions) ship campaign we investigated the variability of the halogenated very short-lived substances (VSLS) bromoform (CHBr3), dibromomethane (CH2Br2) and methyl iodide (CH3I) in the marine atmospheric boundary layer in the eastern tropical and subtropical North Atlantic Ocean during May/June 2010. The highest VSLS mixing ratios were found near the Mauritanian coast and close to Lisbon (Portugal). With backward trajectories we identified predominantly air masses from the open North Atlantic with some coastal influence in the Mauritanian upwelling area, due to the prevailing NW winds. The maximum VSLS mixing ratios above the Mauritanian upwelling were 8.92 ppt for bromoform, 3.14 ppt for dibromomethane and 3.29 ppt for methyl iodide, with an observed maximum range of the daily mean up to 50% for bromoform, 26% for dibromomethane and 56% for methyl iodide. The influence of various meteorological parameters - such as wind, surface air pressure, surface air and surface water temperature, humidity and marine atmospheric boundary layer (MABL) height - on VSLS concentrations and fluxes was investigated. The strongest relationship was found between the MABL height and bromoform, dibromomethane and methyl iodide abundances. Lowest MABL heights above the Mauritanian upwelling area coincide with highest VSLS mixing ratios and vice versa above the open ocean. Significant high anti-correlations confirm this relationship for the whole cruise. We conclude that especially above oceanic upwelling systems, in addition to sea-air fluxes, MABL height variations can influence atmospheric VSLS mixing ratios, occasionally leading to elevated atmospheric abundances. This may add to the postulated missing VSLS sources in the Mauritanian upwelling region (Quack et al., 2007).
    Keywords: 1,1,1,2-Tetrafluoroethane; 1,1,2-Trichloro-1,2,2-trifluoroethane; 1,1-Dichloro-1-fluoroethane; 1,1-Difluoroethane; 1,2-Dibromotetrafluoroethane; 1,2-Dichloroethane; 1,2-Dichlorotetrafluoroethane; 1-Chlor-1,2,2,2-tetrafluorethan; 1-Chloro-1,1-difluoroethane; 23-10; ALTITUDE; Benzene; Bromochlorodifluoromethane; Bromoform; Bromomethane; Carbonyl sulfide; Chlorodibromomethane; Chlorodifluoromethane; Chloroform; Chloromethane; CT; DATE/TIME; Dibromomethane; Dichlorodifluoromethane; Dichloromethane; Dimethyl sulfate; Eastern Tropical North Atlantic; Ethyl nitrate; Event label; Isobutane; Isopentane; Isoprene; Isopropyl nitrate; LATITUDE; LONGITUDE; Methyl acetate; Methyl Chloroform; Methyl iodide; Methyl nitrate; n-Butane; n-Hexane; n-Pentane; n-Propyl nitrate; POS399/2; POS399/2-track; POS399/3; POS399/3-track; Poseidon; Propane; sec-Butyl nitrate; SOPRAN; Surface Ocean Processes in the Anthropocene; Tetrachlormethan; Tetrachloroethylene; Toluene; Trichlorfluormethan; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 7351 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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