Preprint Article Version 1 This version is not peer-reviewed

Are Green Infrastructure Strategies Suitable in Arid Climates? A Design Feasibility Study from Jeddah City, Saudi Arabia

Version 1 : Received: 1 September 2018 / Approved: 3 September 2018 / Online: 3 September 2018 (07:57:32 CEST)

How to cite: Bogis, A.; Bork, D.; Miller, P. Are Green Infrastructure Strategies Suitable in Arid Climates? A Design Feasibility Study from Jeddah City, Saudi Arabia. Preprints 2018, 2018090013 (doi: 10.20944/preprints201809.0013.v1). Bogis, A.; Bork, D.; Miller, P. Are Green Infrastructure Strategies Suitable in Arid Climates? A Design Feasibility Study from Jeddah City, Saudi Arabia. Preprints 2018, 2018090013 (doi: 10.20944/preprints201809.0013.v1).

Abstract

This paper describes the feasibility and probable benefits associated with greening the ‎Tahliah Channel, a concrete drainage channel that was originally built to relieve urban flooding ‎in Jeddah City, Saudi Arabia. It includes an estimation of irrigation needs for channel greening ‎based on a standardized planting specification. The study also demonstrates alternative strategies ‎for meeting the required irrigation demand, including water harvesting and graywater reuse on a ‎residential scale. The study shows that greening Tahliah Channel is possible relying mainly on ‎graywater reuse from the surrounding buildings. Also, the study shows that rainwater harvesting ‎is not a reliable source for irrigation. Rather, it can cover only part of the irrigation needs (6%) ‎and so can be used as a secondary supporting source. The positive results of this case study will ‎be of interest to those in arid countries who are looking to upgrade and replace traditional, single ‎function drainage infrastructure with more sustainable, green infrastructure systems. More ‎specifically, the objectives of the study are consistent with the goals of the Saudi government’s ‎ongoing initiative that advocates for more resilient and sustainable cities. (Vision 2030 year).‎

Subject Areas

green infrastructure; riparian restoration; green corridor; drainageway; urban valley; stormwater management; flooding; arid landscape; sustainability; urban ecosystem

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