The Sommeiller Pass permafrost monitoring station, at about 3000 m of altitude, is the key site of the regional network installed in 2009 during the European Project PermaNET in the Piedmont Alps (NW Italy). The station consists of 3 vertical boreholes 5, 10 and 100 m deep with different characteristics, equipped with thermometric chains for a total of 34 Pt100 sensors. Due to infiltration and freezing of water inside the instrumentation and boreholes, the station became operational in 2011 after recovering. The collected data shows a constant active layer 8-9 m of thickness, while the permafrost temperature curves show a degradation of the base at approximately 65 m of depth since 2014. In order to verify this variation (about 0.4 °C), considering the station history, a sensor calibration was carried out in laboratory and on site aimed to understand the reliability of the measurements in progress.

Permafrost station at Sommeiller Pass (NW Italy): from the monitoring to reference site and methods / Paro, Luca; Guglielmin, Mauro; Merlone, Andrea; Coppa, Graziano; Musacchio, Chiara; Sanna, Francesca. - (2019), pp. 831-832. ((Intervento presentato al convegno 5th European Conference on Permafrost tenutosi a Chamonix, France nel 25-29 giugno 2018.

Permafrost station at Sommeiller Pass (NW Italy): from the monitoring to reference site and methods

Andrea Merlone;Graziano Coppa;Chiara Musacchio;
2019

Abstract

The Sommeiller Pass permafrost monitoring station, at about 3000 m of altitude, is the key site of the regional network installed in 2009 during the European Project PermaNET in the Piedmont Alps (NW Italy). The station consists of 3 vertical boreholes 5, 10 and 100 m deep with different characteristics, equipped with thermometric chains for a total of 34 Pt100 sensors. Due to infiltration and freezing of water inside the instrumentation and boreholes, the station became operational in 2011 after recovering. The collected data shows a constant active layer 8-9 m of thickness, while the permafrost temperature curves show a degradation of the base at approximately 65 m of depth since 2014. In order to verify this variation (about 0.4 °C), considering the station history, a sensor calibration was carried out in laboratory and on site aimed to understand the reliability of the measurements in progress.
5th European Conference on Permafrost
25-29 giugno 2018
Chamonix, France
open
File in questo prodotto:
File Dimensione Formato  
EUCOP5_2018.pdf

accesso aperto

Descrizione: Abstract intervento
Tipologia: Versione editoriale
Licenza: Pubblico - Tutti i diritti riservati
Dimensione 234.3 kB
Formato Adobe PDF
234.3 kB Adobe PDF Visualizza/Apri

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11696/71570
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus ND
  • ???jsp.display-item.citation.isi??? ND
social impact