Re: tensiometer problem ?

[Josˇ Antonio Cuch’ Oterino]

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That is normal. You have water entering the tensiometer as in the saturated zone where the overpresure of the water moves water into the device.

>
>  Dear subscribers to SoWaCs,
>
>
>I'm working on Wetland hydrology in the Seine valley (France). To
>investigate unsaturated zone
>I used SDEC tensiometers and the SDEC portable electronic readout unit.
>I've done two years of measurements and it worked very good except during
>flood events (site was
>covered by a 30cm thick watershed sometimes during the study period).
>During those events, the depression measured by the tensiometer was positive !
>Does anybody encount the same problem ??
>
>
>Thank you,
>
>	Philippe.
>-------------------------------------------------------------------------------
>Philippe WENG
>UMR Sisyphe
>Structure et fonctionnement des syst¸mes hydriques continentaux
>Laboratoire de Gˇologie Appliquˇe
>Tour 26, 5¸me ˇtage, Case 123
>4, place Jussieu
>75252 PARIS cedex 05
>tˇl: 01/44/27/51/22
>fax: 01/44/27/51/25
>-------------------------------------------------------------------------------
>-



Josˇ Antonio Cuch’ Oterino
Escuela Universitaria Politecnica de Huesca carretera de Cuarte s/n
22071-Huesca. Spain
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