本文件概述了量化土壤和大气之间温室气体（CO2、N2O、CH4）和氨（NH3）交换的主要方法，并提供了指导。 它旨在通过列出有关应用领域以及每种方法的主要优点和局限性的信息，帮助用户选择最适合其目的的一种或多种测量方法。

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.