This Special Issue of Journal of Water Supply: Research and Technology – AQUA includes a collection of papers dealing with advanced approaches on urban water works and water cycle management. The majority of these papers were initially presented at the 3rd EWaS International Conference on ‘Insights on the Water-Energy-Food Nexus’ that was held on June 27–30, 2018, on Lefkada island, Greece (http://ewas3.civ.uth.gr/). Those papers have been extended, enriched and revised by at least 50% compared to the original ones presented at the aforementioned conference. All papers went through a standard peer-review process following the high-quality standards set by the Journal of Water Supply: Research and Technology – AQUA.
The topics of the papers included in the current Special Issue are briefly presented below.
The paper by Annus et al. (2020) aims at determining the influence of irregular pipe wall roughness on the flow...