2.1 Comparative Logistics and Infrastructure Topology Metrics
Evaluating the structural feasibility of cross-border hydrogen trade routes requires a rigorous multi-criteria analytical architecture capable of contrasting diverse transport modalities and carrier vectors against rigorous industrial end-use requirements. Secondary evidence indicates that transport economics vary substantially depending on physical state, distance, and transmission medium [4]. Pipeline corridors frequently present marked operational and carbon-intensity advantages over maritime shipping routes over regional distances, primarily due to lower compression overheads and avoided conversion penalties [4]. However, assessing the viability of maritime corridors demands holistic inclusion of synthesis and regasification stages, particularly when evaluating hydrogen carriers such as green ammonia, which serve both as long-distance energy vectors and direct feedstocks for chemical processing [3]. Analytical frameworks must therefore establish harmonized boundary conditions that evaluate delivered cost per unit of energy alongside life-cycle emissions factors [4]. Furthermore, down-stream industrial integration parameters, especially within the hard-to-abate steel and metallurgical sectors, dictate continuous volumetric supply thresholds that impose rigid constraints on buffer storage and terminal throughput capacities [1]. By synthesizing technical transport data with process-specific industrial heat and reduction dynamics, the methodology establishes a standardized comparative matrix to determine the optimal configuration of transnational energy links without relying on unverified localized operational assumptions.