Difference between revisions of "Soil moisture - capacitance (EC-10)"
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==Method:== | ==Method:== | ||
Capacitance | Capacitance | ||
| + | [[Image:ECHOProbesSoilProfile.jpg|center|600px|ECHO Probe Profile along a Soil Proilfe]][[Image:]] | ||
==Equipment:== | ==Equipment:== | ||
Revision as of 14:38, 8 August 2007
Parameter to be measured:
Soil moisture
Method:
Capacitance
[[Image:]]
Equipment:
- EC-5
- EC-10 (ECH2O)
- EC-20
Advantages:
- Relatively cheap
- Easy to install
- Compatible with many loggers
Disadvantages:
- Only for low salinity soils (Decagon has developed newer ECH2O probes that are less sensitive to salinity issues, e.g. the EC-5)
- Calibration needed
What to watch out for:
- Temperature sensitivity
Problems/Questions:
Links
Projects that used the above equipment:
HYGRA
Other related web sites:
Decacon Device Calibrating ECH2O Soil Moisture Sensors
- http://www.decagon.com/Ech2o/
- USGS ECH2O calibration summary
- USGS ECH2O probe calibration protocol (destructive harvest)