APPENDIX     Functionality Study of 36 Airports in the Globe

The research begins with a scope definition of an airport, airport district, and airport zone. The three scopes define, in that order, the most densely packed experience, the development area, and the larger neighborhood influenced by an airport. The research correlates the airport district's scope, land use, and spatial model to five economic development modes: transportation-oriented, financial-oriented, tech / innovation-oriented, leisure-oriented, and new industry city-oriented. Meanwhile, the spatial model depicts the potential relationship with green space as well as the centralization pattern. In this way, the research provides functionality models for boosting sustainable development in airport districts.

Scale of the airport, airport district, and airport zone

The chart shows the approximate positive correlation between the scope of airport-airport district, airport-airport zone, airport district-airport zone. The fluctuations are to do with spatial pattern, economic factor, and etc.

Left     Beyond the positive correlation of the airport districts and zones earlier, clusterings of land use dominance suggest that the innovation, and manufacturing tends to cluster at smaller scale while the logistics tend to cluster around the positive correlation line.
Right     Corridor extension and partial aggregation tends to the cluster at smaller scale, concentric ring dominance tends to be medium airport district scales.

Vertically Integrated Transportation System Serving the 7KM From Airport to HST

Zhengzhou is one of China's busiest logistic and low-end manufacturing cities, with dense metro and railroads. In-between the 7km from the airport to the HST station, a river serves as the critical south-to-north drinking water transfer canal, and the land is primarily undeveloped with a few villages. Bio Intermodality proposes a bio-diverse corridor extension to mingle high-tech and business development. To adapt to airport issues like noise, pollution, and height control, the master plan strategy of low-lying landscape continues in the TOD infrastructure to facilitate various transportation, interlinking of neighborhoods, and ecological continuity. Road, metro (existing), monorail, and cable cars are vertically-integrated to sustain intermodality by enhancing logistic, transfer, and travel experiences.

"Complimentary Model" of Airport and HST in Zhengzhou, China

The two models introduced for the airport districts are "complimentary" and "integrated." The integrated model refers to the airport and high-speed train (HST) station being integrated into one mega-infrastructure, creating a densified arrival experience. In contrast, the complementary model refers to the airport and HST station apart, where transfer needs to be choreographed with local development. Zhengzhou airport, China, is one exemplar case of the complementary model, with the airport 7km distant from the train station.

Bio Intermodality Development

The terminals and HST station suggest a corridor in-between. Filling business zones and high-tech campuses along, the project proposes core mix-used development zones located at overlapping functionalities and integrated with transportation systems. A landscape bio-strip interweaves the elements along the corridor.

Masterplan

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