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Item: Innovative Devices for the SWE Estimation at the Basin Scale: A Field Study in the Western Alps

    • Title: Innovative Devices for the SWE Estimation at the Basin Scale: A Field Study in the Western Alps

      Proceedings: International Snow Science Workshop, Davos 2009, Proceedings

      Authors:

      • G. Bal  [ Fondazione Montagna Sicura, Courmayeur (AO), Italy ]  [ DITAG – Politecnico di Torino, Torino, Italy ]
      • I. Bevilacqua  [ DEIAFA – Università di Torino, Torino, Italy ]
      • E. Cremonese  [ ARPA – Valle d’Aosta, Aosta, Italy ]
      • P. Dellavedova  [ Fondazione Montagna Sicura, Courmayeur (AO), Italy ]
      • F. Diotri  [ Fondazione Montagna Sicura, Courmayeur (AO), Italy ]
      • S. Ferraris  [ DEIAFA – Università di Torino, Torino, Italy ]
      • B. Frigo  [ Fondazione Montagna Sicura, Courmayeur (AO), Italy ]  [ DISTR – Politecnico di Torino, Torino, Italy ]
      • A. Godio  [ DITAG – Politecnico di Torino, Torino, Italy ]
      • S. Letey  [ ARPA – Valle d’Aosta, Aosta, Italy ]
      • U. Morra di Cella  [ ARPA – Valle d’Aosta, Aosta, Italy ]
      • P. Pogliotti  [ ARPA – Valle d’Aosta, Aosta, Italy ]
      • M. Previatii  [ DEIAFA – Università di Torino, Torino, Italy ]
      • R. Rage  [ DITAG – Politecnico di Torino, Torino, Italy ]

      Date: 2009

      Abstract: The first results of the “SnowRKnown” project (supported by Fondazione CRT), which investigates the Snow Water Equivalent (SWE) at the basin scale with innovative devices, are presented. The estimation of the SWE, the product between the height of the snow cover and the ratio between snow and water densities, is usually based on punctual measures with traditional techniques (excavation of snow trenches and vertical density profiles). These techniques are time consuming and require a large employment of human resources when applied to alpine basins of several square kilometres area. Instead the use of electromagnetic devices, the Ground Penetrating Radar (GPR), the Time Domain Reflectometry (TDR) and Water Content Reflectometry (WCR) can lead to faster estimated of desired snow properties. We performed two campaigns (during April 2008 and April 2009) to a portion of the Breuil-Cervinia basin (Valtournenche, Aosta Valley). For each device, the methodology of the survey is described within data acquisition, their processing and the results.

      Language of Article: English

      Presenters: Unknow

      Keywords: snow water equivalent, ground penetrating radar (gpr), time domain reflectometry (tdr), water content reflectometry (wcr), spatial variability

      Page Number(s): 175-179

      Subjects: swe estimation innovative devices western alps

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