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  • AGU (American Geophysical Union)  (29)
  • Kiel : GEOMAR, Forschungszentrum für Marine Geowissenschaften an der Christian-Albrechts-Universität zu Kiel  (3)
  • PANGAEA  (3)
  • IFM-GEOMAR, Kiel  (2)
Document type
Keywords
Publisher
Language
Years
  • 1
    Online Resource
    Online Resource
    Panama basin and Galápagos Plume, New INvestigations of Intraplate magmatism ; SO 144 ; Abschlußbericht 2002 ; Berichtszeitraum: 1. Juli 1999 bis 31. Dezember 2001 ; PAGANINI (2002)
    Kiel : GEOMAR, Forschungszentrum für Marine Geowissenschaften an der Christian-Albrechts-Universität zu Kiel
    Details Availability
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: Online-Ressource ([14] p. = 61,0 KB)
    Edition: [Elektronische Ressource]
    URL: https://edocs.tib.eu/files/e01fb02/358018102.pdf
    URL: https://edocs.tib.eu/files/e01fb02/358018102l.pdf
    Language: German , English
    Note: Contract BMBF 03G144 A. - Differences between the printed and electronic version of the document are possible. - nBibliography p. [8] - [10] , Also available as printed version , Systemvoraussetzungen: Acrobat Reader.
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  • 2
    Online Resource
    Online Resource
    HULA-II : Interdisziplinäre Untersuchungen zur zeitlichen Einordung des Hawaii-Emperor Knicks und dem Ursprung von Lithosphären Anomalien an der Musicians Seamount Kette ; SO 142 ; Abschlußbericht 2002 ; Berichtszeitraum: 1. Mai 1999 bis 31. Dezember 2001 (2002)
    Kiel : GEOMAR, Forschungszentrum für Marine Geowissenschaften an der Christian-Albrechts-Universität zu Kiel
    Details Availability
    Keywords: Forschungsbericht
    Description / Table of Contents: Hot spot volcanism, Musicians Seamounts, Italian Ridge, Bach Ridge, Crustal Structure, Ocean bottom hydrophones
    Type of Medium: Online Resource
    Pages: Online-Ressource ([10] p. = 57,6 KB)
    Edition: [Elektronische Ressource]
    URL: https://edocs.tib.eu/files/e01fb02/358017491.pdf
    URL: https://edocs.tib.eu/files/e01fb02/358017491l.pdf
    Language: German , English
    Note: Contract BMBF 03G142A. - Differences between the printed and electronic version of the document are possible. - Engl. abstract under title: SO 142-HULA II: Interdisciplinary investigations on the timing of the Hawaii-emperor bend and the origin of lithospheric anomalies along the musician seamount chain. - nBibliography p. [5] - [6]. - nIndex p. 7 , Also available as printed version , Systemvoraussetzungen: Acrobat Reader.
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  • 3
    Book
    Book
    Panama Basin and Galapagos Plume - new Investigations of Intraplate Magmatism : SO144 ; Abschlußbericht 2002 ; Berichtszeitraum: 1. Juli 1999 bis 31. Dezember 2001 ; PAGANINI (2002)
    Kiel : GEOMAR, Forschungszentrum für Marine Geowissenschaften an der Christian-Albrechts-Universität zu Kiel
    Details Availability
    Keywords: Forschungsbericht
    Description / Table of Contents: Galápagos Islands, East Pacific, hotspot, plume-ridge interaction, geochemistry, volcanology, magnetic anomalies, morphology
    Type of Medium: Book
    Pages: Getr. Zählung, [296] S. , Ill., graph. Darst., Kt.
    Language: English , German
    Note: Förderkennzeichen BMBF 03 G 144 A , Text teils dt., überw. in engl. Sprache , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Teilweise auch als elektronische Ressource vorh
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  • 4
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    Sound velocity at CTD station SO194_CTD-1 (2009)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Keywords: BIO-LUMINESZENZ; CTD; CTD/Rosette; CTD-RO; DEPTH, water; SO194_CTD-1; SO194/1; Sonne; Sound velocity in water; South Pacific Ocean
    Type: Dataset
    Format: text/tab-separated-values, 198 data points
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    DATA PANGAEA
  • 5
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    Multibeam bathymetry raw data (Atlas Hydrosweep DS echo sounder entire dataset) of RV SONNE during cruise SO96/1 (2023)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Multibeam bathymetry raw data was recorded in the North Pacific during cruise SO96/1 that took place between 1994-06-09 and 1994-06-27. The data was collected using the ship's own Atlas Hydrosweep DS echo sounder.
    Keywords: Binary Object; Binary Object (File Size); Binary Object (Media Type); Comment; DAM_Underway; DAM Underway Research Data; Data file recording distance; Data file recording duration; DATE/TIME; ELEVATION; Event label; File content; KODIAKSEIS; LATITUDE; LONGITUDE; Number of pings; Ship speed; SO96/1; SO96/1_0_Underway-1; Sonne; 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
    Type: Dataset
    Format: text/tab-separated-values, 493 data points
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    DATA PANGAEA
  • 6
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    Ocean hydrophone sgy-files of seismic refraction and wide angle data from the marine fore-arc off Nicaragua from profiles NIC20 and NIC50 of R/V Maurice Ewing cruise EW0005 (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: We provide seismic refraction and wide-angle data from two profile shot across the marine fore-arc of Nicaragua, Central Maerica. Profiles NIC20 and NIC50 were obtained aboard the US R/V Maurice Ewing cruise EW00–05 in 2000. All profile run across the condinantal margin and provide in total 26 digital record sections.
    Keywords: 1992 Nicaragua tsunami earthquake; Binary Object; Binary Object (File Size); Event label; EW0005; EW0005_NIC20; EW0005_NIC50; EW0005_OBH01; EW0005_OBH02; EW0005_OBH03; EW0005_OBH04; EW0005_OBH05; EW0005_OBH06; EW0005_OBH07; EW0005_OBH08; EW0005_OBH09; EW0005_OBH10; EW0005_OBH11; EW0005_OBH12; EW0005_OBH13; EW0005_OBH15; EW0005_OBH16; EW0005_OBH17; EW0005_OBH19; EW0005_OBH20; EW0005_OBH21; EW0005_OBH22; EW0005_OBH23; EW0005_OBH24; EW0005_OBH25; EW0005_OBH26; EW0005_OBH27; EW0005_OBH28; File content; Latitude of event; Longitude of event; Marine Fore-arc; Maurice Ewing; North Pacific Ocean; OBH; Ocean bottom hydrophone; SEIS; Seismic; seismic refraction; Seismic structure; Seismic tomography
    Type: Dataset
    Format: text/tab-separated-values, 30 data points
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    DATA PANGAEA
  • 7
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    RRS James Cook Fahrtbericht (2010)
    IFM-GEOMAR, Kiel
    Details
    Publication Date: 2021-03-29
    Description: report
    Keywords: 551.4 ; 550 ; TSZ 300 ; Pazifischer Ozean {Geophysik}
    Language: English
    Type: article , publishedVersion
    Format: 229 S.
    Format: application/pdf
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    CITATION GEO-LEO
  • 8
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    FS Sonne Fahrtbericht/Cruise Report SO 186 B, C & D (2010)
    IFM-GEOMAR, Kiel
    Details
    Publication Date: 2021-03-29
    Description: report
    Keywords: 551.4 ; 551.22 ; 550 ; UKD 100 ; UHD 540 ; TOH 200 ; Expeditionsberichte {Regionale Ozeanologie, Indischer Ozean} ; Lange Wellen außer Gezeitenwellen {Dynamische Ozeanologie} ; Seismische Vorhersagen {Geophysik}
    Language: English
    Type: article , publishedVersion
    Format: 174 S.
    Format: application/pdf
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    CITATION GEO-LEO
  • 9
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    Crustal structure of the Chugach Mountains, southern Alaska: A study of peg-leg multiples from a low-velocity zone (1989)
    AGU (American Geophysical Union)
    In:  Journal of Geophysical Research: Solid Earth, 94 (B11). pp. 16023-16035.
    Details
    Publication Date: 2018-03-06
    Description: A seismic refraction profile recorded along the geologic strike of the Chugach Mountains in southern Alaska shows three upper crustal high-velocity layers (6.9, 7.2, and 7.6 km/s) and a unique pattern of strongly focussed echelon arrivals to a distance of 225 km. The group velocity of the ensemble of echelon arrivals is 6.4 km/s. Modeling of this profile with the reflectivity method reveals that the echelon pattern is due to peg-leg multiples generated from with a low-velocity zone between the second and third upper crustal high-velocity layers. The third high-velocity layer (7.6 km/s) is underlain at 18 km depth by a pronounced low-velocity zone that produces a seismic shadow wherein zone peg-leg multiples are seen as echelon arrivals. The interpretation of these echelon arrivals as multiples supersedes an earlier interpretation which attributed them to successive primary reflections arising from alternating high- and low-velocity layers. Synthetic seismogram modeling indicates that a low-velocity zone with transitional upper and lower boundaries generates peg-leg multiples as effectively as one with sharp boundaries. No PmP or Pn arrivals from the subducting oceanic Moho at 30 km depth beneath the western part of the line are observed on the long-offset (90-225 km) data. This may be due to a lower crustal waveguide whose top is the high-velocity (7.6 km/s) layer and whose base is the Moho. A deep (~54 km) reflector is not affected by the waveguide and has been identified in the data. Although peg-leg multiples have been interpreted on some long-range refraction profiles that sound to upper mantle depths, the Chugach Mountains profile is one of the few crustal refraction profiles where peg-leg multiples are clearly observed. This study indicates that multiple and converted phases may be more important in seismic refraction/wide-angle reflection profiles than previously recognized.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1029/JB094iB11p16023
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 10
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    Near-vertical and intermediate offset seismic reflection data from west of the Whipple Mountains, SE California (1989)
    AGU (American Geophysical Union)
    In:  Journal of Geophysical Research - Solid Earth, 94 (B1). pp. 625-636.
    Details
    Publication Date: 2018-03-06
    Description: During a seismic reflection survey conducted by the California Consortium for Crustal Studies in the Basin and Range Province west of the Whipple Mountains, SE California, a piggyback experiment was carried out to collect intermediate offset data (12–31 km). These data were obtained by recording the Vibroseis energy with a second, passive recording array, deployed twice at fixed positions at opposite ends of the reflection lines. The reflection midpoints fall into a 3-km-wide and 15-km-long region in Vidal Valley, roughly parallel to a segment of one of the near-vertical reflection profiles. This data set makes three unique contributions to the geophysical study of this region. (1) From forward modeling of the observed travel times using ray-tracing techniques, a shallow layer with velocities ranging from 6.0 to 6.5 km/s was found. This layer dips to the south from 2-km depth near the Whipple Mountains to a depth of 5-km in Rice Valley. These depths correspond closely to the westward projection of the Whipple detachment fault, which is exposed 1 km east of the near-vertical profiles in the Whipple Mountains. (2) On the near-vertical profile, the reflections from the mylonitically deformed lower plate at upper crustal and mid crustal depths are seen to cease underneath a sedimentary basin in Vidal Valley. However, the piggyback data, which undershoot this basin, show that these reflections are continuous beneath the basin. Thus near-surface energy transmission problems were responsible for the apparent lateral termination of the reflections on the near-vertical reflection profile. (3) The areal distribution of the midpoints allows us to construct a quasi-three-dimensional image on perpendicular profiles; at the cross points we determined the true strike and dip of reflecting horizons. This analysis shows that the reflections from the mylonitically deformed lower plate dip to the southwest westward of the Whipple Mountains and dip to the south southward of the Turtle Mountains. The results of this study support the interpretation of crustal reflectivity in the near-vertical reflection profiles to be related to the mid-Tertiary episode of extension which produced the Whipple metamorphic core complex. This association geometrically suggests a more regionally distributed mechanism for crustal thinning as compared with single detachment fault models.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1029/JB094iB01p00625
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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