Soil quality. Physical methods Determination of water content in the unsaturated zone. Neutron depth probe method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-08-1996

Publisher

British Standards Institution

Committees responsible
National foreword
Method
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Apparatus
6 Procedure
7 Expression of results
8 Accuracy
9 Test report
Annexes
A (informative) Background information for the calibration of
the neutron depth probe
B (informative) Field calibration
C (informative) Reference counts
D (informative) Precision and applicability of field calibration
curves
E (informative) Bibliography

Non-destructive method suitable for repeated measurements.

This International Standard specifies an in situ method for the determination of water content in the unsaturated zone of soils using a neutron depth probe. It is applicable when investigations into the water storage, water balance and water distribution in the unsaturated zone of the soil are carried out. Because the method is non-destructive, it is particularly suitable for repeated measurements at fixed locations. Water content profiles can be obtained by measuring at a series of depths down to any depth within the range of the phreatic level at the site.

The advantage of the method compared with some others, for example the gamma probe method, is the rapidity with which measurements can be carried out. A disadvantage, however, is the relatively poor depth resolution of the measurements.

Committee	EH/4
DevelopmentNote	Also numbered as ISO 10573. Supersedes 93/503316 DC. (04/2005)
DocumentType	Standard
Pages	20
PublisherName	British Standards Institution
Status	Current
Supersedes	93/503316 DC : MAY 93

10/30205348 DC : 0

BS 10175 - INVESTIGATION OF POTENTIALLY CONTAMINATED SITES - CODE OF PRACTICE

ISO 11272:2017	Soil quality — Determination of dry bulk density
ISO 11461:2001	Soil quality — Determination of soil water content as a volume fraction using coring sleeves — Gravimetric method

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BS 7755-5.2:1996

Current

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Abstract

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