Soil moisture - TDR (TRIME tube access probe)

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Parameter to be measured:

Soil moisture

Method:

Trime TDR-method

Equipment:

  • IMKO: T3 tube probe

Advantages:

  • easy and fast measurement in access tube to the depth of the access tube
  • manual as well as continuously logged measurements possible, but if logged measurement only in one depth
  • accuracy comparable to neutron probes

Disadvantages:

  • installation of access tube in gravel rich soils is complicated

What to watch out for:

  • The measurement volume of the probe is not circularly around the probe. To measure the mean water content of one profile representative requires measurement in different directions.

Problems/Questions:

Links

Other related web sites:


References

Petrone, RM Price, JS, Carey, SK, Waddington, JM 2004. Statistical characterization of the spatial variability of soil moisture in a cutover peatland. HYDROL PROCESS 18(1), 41-52.

Wright, N, Quinton, WL, Hayashi, M 2008. Hillslope runoff from an ice-cored peat plateau in a discontinuous permafrost basin, Northwest Territories, Canada. HYDROL PROCESS 22(15) 2816-2828

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