The categories and sub-categories used to capture the essential aspects of each reviewed project and presented on the sidebar on the left-hand side of each project
| Blue space type | Ocean; sea; natural lake; artificial lake; reservoir; urban canal; rural canal; large river with artificial banks; large river with natural banks; medium-sized river with artificial banks; medium sized river with natural banks; stream with artificial banks; stream with natural banks; waterfall or rapids; fen; marsh; bog; pond; outdoor public swimming pool or lido; ornamental water feature or fountain; mineral spring; thermal spring; karst lake; lagoon; backwater |
| Water-land interface types | Harbour; embankment; marina; dam; bridge; promenade; rip-rap; terraces/steps; aquarium; artificial island; natural island; fountain; sandy beach; stony beach; sand dunes; estuary; flood plain; marshland; |
| Built environment type | Completely built; highly built with low proportion of green; moderately built with moderate proportion of green; low built with high proportion of green; complete nature |
| Intervention scale (spatial) | Single object; small site; moderate site; large site; linear development – single intervention; linear development multiple interventions |
| Project types | Seafront development; riverfront development; urban water feature; economic regeneration; cultural regeneration; public green space regeneration; infrastructure regeneration; cultural heritage restoration; urban waterfront restoration; rural waterfront restoration; wetland restoration; green infrastructure; urban design; flood protection; housing development; storm water management; sports facility; open quarry; outdoor recreation; habitat creation/restoration |
| Position in urban-rural gradient | Urban core; inner urban; suburban; urban fringe; urban periphery; rural hinterland |
| Degree of visibility and openness of the water | Fully open, full horizon; fully open, part horizon; partly open, partly enclosed; partly enclosed, part horizon; partly enclosed, partly contained; fully enclosed, fully contained; visible from vantage points |
| Perception and meaning | Imageability; legibility; focal point; knowledgeability; accessibility; sense of place; Genius loci; place identity; sense of ownership; feeling at home; place attachment |
| Health and well-being potentialities | Restorativeness; tranquillity; attention; sense of being away; place affordance; increases socialisation; increased physical activity; aesthetic experience; better environmental perception |
| Type of interaction with water | Visual; tactile: touching; tactile – partly in water; tactile – fully in water |