ISO 20951:2019Withdrawn

Soil Quality — Guidance on methods for measuring greenhouse gases (CO2, N2O, CH4) and ammonia (NH3) fluxes between soils and the atmosphere

Qualité du sol — Recommandations sur les méthodes de mesure des gaz à effet de serre (CO2, N2O, CH4) et des flux d'ammoniac (NH3) entre les sols et l'atmosphère

This edition has been replaced by ISO 20951:2026.

Abstract / scope

This document gives an overview and provides guidance on the main methods available to quantify the exchanges of greenhouse gases (CO2, N2O, CH4) and ammonia (NH3) between soils and the atmosphere.

It is intended to help users to select the measurement method or methods most suited to their purposes by setting out information on the application domain and the main advantages and limitations of each methods.

Life cycle

Replaced by

ISO 20951:2026PublishedSoil quality — Guidance on methods for measuring greenhouse gases (CO2, N2O, CH4) and ammonia (NH3) fluxes between soils and the atmosphereInternational Standard · Published 10 Apr 2026 · ISO/TC 190