Is there any way to determine the amount of water in a different part of the depth of a soil layer?

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Does anybody has any idea about the equation of the compaction curve of granular materials and how the Optimum Moisture Content can be calculated?

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A. K. Alzo’ubi

Yes it does, but the length of your prob will be important factor. Another way is by continuous sampling

Ebrahim Sangsefidi

For your information, there is a layer of Asphalt Concrete above soil layer.

Does NDM can be useful in this case?

Is there any manual to introduce the way NDM works?

Is there any other way other than sampling?

Thanks

Hormoz Bassirirad

We briefly cover various methods to determine soil and plant water water in an ecosystem course, and I have always found the following papers helpful as a quick review. These include some non-destructive methods, albeit some are cost prohibitive.

Dear Hormoz,

Thank you for your response.