Re: remote sensor to sense thin soil surface layer

[Cliff Hignett]

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In relation to measuring water content very close to the surface of soils, I
sell 5mm diameter ceramic tubing which can be used for making micro
tensiometers.  (see my meb site www.soilwater.com.au under 'products')

cliff.hignett@soilwater.com.au

owner-sowacs@aqua.ccwr.ac.za wrote:

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> with the body of the message containing the line:
> unsubscribe sowacs
>
> Dear subscribers,
>
> I'm looking for a sensor to measure water content (or potential) at the
> upper 1 mm of the soil surface. The sensor should be non-destructive and
> should preferably measure as a stand alone unit. The sensor is meant for
> laboratory measurements (wind tunnel). I was thinking at a microwave
> sensor or something similar. Does anyone of you have some experience
> with such a sensor or knows a company that could help me? Your help
> would be truly appreciated.
>
> Best regards,
>
> Wim
>
> [Bruce comments:
> This area of sensing has not yet been covered by sowacs, so I am hoping we
> can collect and compile some good information from replies.Thanks for the
> question, Wim and please pass on any useful info you may recieve directly
> as well. Bruce]
>
> --
> ===========================================
> Wim Cornelis
> Department of Soil Management and Soil Care
> University of Ghent
> Coupure links 653
> B-9000 Gent
> Belgium
> tel.: +32 (0)9 264 60 40
> fax: +32 (0)9 264 62 47
> e-mail: wim.cornelis@rug.ac.be
> http://soilman.rug.ac.be
> ===========================================

--
Cliff Hignett
Soil Water Solutions
45a Ormond Ave
Daw Park
South Australia 5041
pH 61 (08) 8276 7706
WWW.SOILWATER.COM.AU