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  • Crustal deformation (cf. Earthquake precursor: deformation or strain)  (4)
  • Course of study: MSc Biological Oceanography
  • E62
  • Center for Akad. Publ. Japan  (3)
  • Wiley
Collection
Keywords
Publisher
Years
  • 1
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    Nutrient Controls on Export Production in the Southern Ocean (2020)
    AGU (American Geophysical Union) | Wiley
    Details
    Publication Date: 2023-02-08
    Description: We use observations from novel biogeochemical profiling floats deployed by the Southern Ocean Carbon and Climate Observations and Modeling program to estimate annual net community production (ANCP; associated with carbon export) from the seasonal drawdown of mesopelagic oxygen and surface nitrate in the Southern Ocean. Our estimates agree with previous observations in showing an increase in ANCP in the vicinity of the polar front (∼3 mol C m−2 y−1), compared to lower rates in the subtropical zone (≤ 1 mol C m−2 y−1) and the seasonal ice zone (〈2 mol C m−2 y−1). Paradoxically, the increase in ANCP south of the subtropical front is associated with elevated surface nitrate and silicate concentrations, but decreasing surface iron. We hypothesize that iron limitation promotes silicification in diatoms, which is evidenced by the low silicate to nitrate ratio of surface waters around the Antarctic polar front. High diatom silicification increases the ballasting effect of particulate organic carbon and overall ANCP in this region. A model-based assessment of our methods shows a good agreement between ANCP estimates based on oxygen and nitrate drawdown and the modeled downward organic carbon flux at 100 m. This agreement supports the presumption that net biological consumption is the dominant process affecting the drawdown of these chemical tracers and that, given sufficient data, ANCP can be inferred from observations of oxygen and/or nitrate drawdown in the Southern Ocean.
    Keywords: Course of study: MSc Biological Oceanography
    Type: Article , PeerReviewed
    Format: text
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    PAPER (OCEANREP)
  • 2
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    Quiet and violence in horizontal movement of the crust (1978)
    Center for Akad. Publ. Japan
    In:  Bull., Polar Proj. OP-O3A4, Earthquake Precursors, Tokyo, Center for Akad. Publ. Japan, vol. 186, no. XVI:, pp. 79-83, (ISBN: 3-540-23712-7)
    Details
    Publication Date: 1978
    Keywords: Earthquake precursor: prediction research ; Earthquake precursor: deformation or strain ; Crustal deformation (cf. Earthquake precursor: deformation or strain)
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    Seismic activities and crustal movements at the Yamasaki Fault and surrounding regions in the Southwest Japan (1978)
    Center for Akad. Publ. Japan
    In:  Bull., Open-File Rept., Earthquake Precursors, Tokyo, Center for Akad. Publ. Japan, vol. 14, no. 86-425, pp. 31-41, (ISBN 0080419208)
    Details
    Publication Date: 1978
    Keywords: Earthquake precursor: prediction research ; Seismicity ; Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Earthquake precursor: deformation or strain
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    BIBLIOGRAPHY SEISMOLOGY
  • 4
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    Anomalous crustal activity in the Izu Peninsula, Central Honshu (1978)
    Center for Akad. Publ. Japan
    In:  Professional Paper, Open-File Rept., Earthquake Precursors, Tokyo, Center for Akad. Publ. Japan, vol. 8, no. 16, pp. 51-68, (ISBN 0080419208)
    Details
    Publication Date: 1978
    Keywords: Earthquake precursor: prediction research ; Earthquake precursor: deformation or strain ; Crustal deformation (cf. Earthquake precursor: deformation or strain)
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    BIBLIOGRAPHY SEISMOLOGY
  • 5
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    An Outline of Structural Geology (1976)
    Wiley
    In:  New York, 571 pp., Wiley, vol. 5, no. XVI:, pp. 1-14, (ISBN 0-89871-521-0)
    Details
    Publication Date: 1976
    Keywords: Structural geology ; Textbook of geology ; Stress ; Geol. aspects ; Crustal deformation (cf. Earthquake precursor: deformation or strain)
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    BIBLIOGRAPHY SEISMOLOGY
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