Jordkvalitet. Pedologi

This document defines terms used in the field of soil quality.

This document provides guidance on the description of soil in the field and its environmental context. It is applicable to natural, near-natural, urban and industrial sites. The soil observations and measurements can be made on a project site level, on a plot level, on layer or horizon level and on specific soil constituents. It also provides guidance on how to describe layers of anthropogenic (artificial) material or layers that were not modified by pedogenic processes in the strict sense and how to describe coarse material of natural or artificial origin.

This document can be used in combination with other publications that provide guidance or requirements regarding specific aspects of soil observations and measurements.

NOTE 1 It might not be possible or necessary to record data under all the headings listed in Clauses 4 to 11.

NOTE 2 Overall guidance for presentation of information from soil surveys is given in ISO 15903.

NOTE 3 The guidance provided assumes that sampling will be done in accordance with ISO 18400.

This document specifies a method for the gravimetric determination of soil water content as a volume fraction.

The method is applicable to all types of non-swelling or non-shrinking soils where coring sleeves can be used for sampling. It is not applicable to soils where stones, tough roots or other factors prevent collection of soil cores. It is used as a reference method (e.g. the calibration of indirect methods for determination of water content).

NOTE The determination of water content as a mass fraction is described in ISO 11465.