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  • Wiley-AGU  (1)
  • Zürich : Inst. für Geodäsie und Photogrammetrie  (1)
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  • 1
    Series available for loan
    Series available for loan
    Sea surface topography and marine geoid by airborne laser altimetry and shipborne ultrasound altimetry (2010)
    Zürich : Inst. für Geodäsie und Photogrammetrie
    Associated volumes
    Details Availability
    Call number: S 90.0084(80)
    In: Geodätisch-geophysikalische Arbeiten in der Schweiz
    Type of Medium: Series available for loan
    Pages: X, 207 S. , Ill., zahlr. graph. Darst. u. Kt.
    ISBN: 9783908440246
    Series Statement: Geodätisch-geophysikalische Arbeiten in der Schweiz 80
    URL: http://www.sgc.ethz.ch/sgc-volumes/sgk-80.pdf
    Classification:
    Measurement
    Note: Zugl.; Zürich, Techn. Hochsch., Diss., 2009 , Vorw. in dt., franz. u.engl. Sprache
    Location: Lower compact magazine
    Branch Library: GFZ Library
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    Controls on Spatial and Temporal Patterns of Slope Deformation in an Alpine Valley (2021)
    Wiley-AGU
    Details
    Publication Date: 2021-12-22
    Description: A comprehensive surface displacement monitoring system installed in the recently deglaciated bedrock slopes of the Aletsch Valley shows systematic reversible motions at the annual scale. We explore potential drivers for this deformation signal and demonstrate that the main driver is pore pressure changes of groundwater in fractured granitic mountain slopes. The spatial pattern of these reversible annual deformations shows similar magnitudes and orientations for adjacent monitoring points, leading to the hypothesis that the annually reversible deformation is caused by slope-scale groundwater elevation changes and rock mass properties. Conversely, we show that the ground reaction to infiltration from snowmelt and summer rainstorms can be highly heterogeneous at local scale, and that brittle-ductile fault zones are key features for the groundwater pressure-related rock mass deformations. We also observe irreversible long-term trends (over the 6.5 years data set) of deformation in the Aletsch valley composed of a larger uplift than observed at our reference GNSS station in the Rhone valley, and horizontal displacements of the slopes towards the valley. These observations can be attributed respectively to the elastic bedrock rebound in response to current glacier mass downwasting of the Great Aletsch Glacier and gravitational slope deformations enabled by cyclic groundwater pressure-related rock mass fatigue in the fractured rock slopes.
    Description: Published
    Description: e2021JF006353
    Description: 7A. Geofisica per il monitoraggio ambientale
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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