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Research Impact



        May 2026 Research Publications




             Sustainability and Water Management of Public Gardens in the                                                       Defining and assessing the structural flexibility of transportation

                                            Emirate of Abu Dhabi                                                                                                            networks







                                                       Author(s):                                                                                                             Author(s):


        El Amrousi, M. (Department of Architecture, Abu Dhabi University), Elhakeem, M. (Department of Civil Engineering,      Khakdaman, M. (Department of Marketing, Operations and Information Systems, College of Business, Abu Dhabi
        Abu Dhabi University), Paleologos, E.K. (Engineering Management Program, Abu Dhabi University), Abdel Sattar, A.M.                                                     University)
                                  (Department of Irrigation and Hydraulics, Cairo University)
                                                                                                                                                                             Index Terms:
                                                     Index Terms:
                                                                                                                               Complex adaptive systems theory; Graph theory; Simulation; Structural flexibility; Transportation flexibility; Transportation
                       Abu Dhabi; Desert Landscaping; Park Water Management; UN SDG 11; Water Scarcity                                                                      network flexibility

                                                        Abstract:                                                                                                              Abstract:



        Preservation  of  water  resources  and  sustainable  design  of  public  parks  are  crucial  aspects  of  a  living  city’s  urban   International  supply  chains  increasingly  require  flexibility  in  transportation  services  supplied  by  logistics  service
        identity, especially in hot arid regions. In Abu Dhabi, landscape design is changing from classical style gardens to desert   providers (LSPs) to deal with uncertainty and disruption. Despite the literature on transportation flexibility, current
        landscaping, which integrates more organically with existing monuments and is sustainable in terms of the scarcity of   studies primarily emphasize operational service attributes or isolated node- and arc-level capacities, with limited
        water. Sustainable landscaping design merges two aspects of UN’s eleventh Sustainable Development Goal, to promote     attention to the role of the transportation network structure in enabling system-level flexibility. Consequently, the
        sustainable urbanization and to protect cultural and natural heritage. An important component, which becomes even      concept  of  transportation  network  flexibility  and  its  relationship  to  network  topology  is  poorly  understood.  This
        more critical for Gulf cities, is that due to the heat, people’s activities are restricted to indoor spaces and hence public   research fills these gaps by conceptualizing transportation network flexibility as an attribute of the network structure
        spaces promote inclusivity and participation of a city’s population. The research approach emphasizes cross-disciplinary   at the network level, defined as the existence of at least one feasible origin–destination itinerary under joint volume
        integration of design theory and water management principles, investigating the evolving role of vegetation in the     and time capacity constraints. Drawing on graph theory and complex adaptive systems theory, the study formally
        enhancement of public parks in Abu Dhabi. Water budget calculations were conducted, indicating water savings of        distinguishes between arc-, node-, mix-, and network-level flexibility and finds that only network-level flexibility can
        over 57% for a redesigned desert park of equivalent areal size compared to one with a traditional European garden.     consistently handle shipper change requests. A simulation-based transportation network flexibility index, grounded
        This is especially critical for the Gulf region, where water is a limiting resource, and even desalinated water is utilized to   in residual network theory, is developed to test seven canonical transportation network topologies under stochastic
        maintain public parks. The authors confirm that this work is original and has not been published elsewhere. The paper   capacity degradation. The results show that network structure systematically influences flexibility outcomes: scale-
          should be of interest to readers in the areas of landscape architecture, landscape planners, and urban planners.     free networks have much greater network-level flexibility than other network topologies, irrespective of common

                                                                                                                               network metrics such as density, connectivity, or centralization. By decoupling structural flexibility from operational
                                                    Read the paper                                                             performance, the study establishes the unit of analysis for transportation flexibility. It provides LSPs with a principled
                                                                                                                               foundation for designing, evaluating, and ranking flexible transportation services without resorting to expensive, fully
                                                                                                                                                                        flexible network designs.


                                                                                                                                                                           Read the paper












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