The complexity of irrigation systems and the need to adapt them to uncertainties requires developing approaches to synthesize their performances. This paper reviews performance assessment and indicators for agricultural water systems. It is aimed at finding various methods and indices used for irrigation performance assessment and standard classes for their characterization. The global application of the metrics was also documented. Adopting a systematic review approach, peer-reviewed journal articles published in the English language in the last two decades (1 March 2001 to 31 December 2020) were surveyed. Case studies were presented demonstrating the application of the indicators. The study revealed a lack of standardization and the use of a wide range of indicators among others, and recommended representing certain indicators as single. However, this review considered one indicator as the best. Suggestions for further studies were made.

中文翻译：

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农业用水管理绩效评估和指标——综述

灌溉系统的复杂性以及使其适应不确定性的需要需要开发综合其性能的方法。本文回顾了农业水系统的绩效评估和指标。它的目的是寻找用于灌溉绩效评估的各种方法和指数以及表征其特征的标准类别。还记录了这些指标的全球应用。采用系统评审方法，对过去二十年（2001年3月1日至2020年12月31日）以英文发表的同行评审期刊文章进行了调查。案例研究展示了指标的应用。该研究揭示了缺乏标准化以及使用了广泛的指标等问题，并建议将某些指标表示为单一指标。然而，本次审查认为有一个指标是最好的。提出了进一步研究的建议。