Urban resource flows: Hanoi

BGS Research — Resilience of Asian cities

Like many cities around the world, Hanoi has entered a new era of expansion to accommodate a rapidly increasing urban population. Plans are in place for a major new road network, new rail links, an expanded city core, five satellite urban areas and three eco-townships. To build these, large quantities of raw materials, including sand, crushed rock, steel and bricks — as well as a wide range of other metals and minerals necessary for construction — are needed. If the supply of raw materials to meet these requirements becomes constrained, then growth will be adversely affected.

Hanoi
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Nhat Tan Bridge, Hanoi. Source: Pixabay.

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The BGS and the Geological Survey of Vietnam (GDGMV) have used data from national and international sources, combined with remote sensing analysis, to develop a material flow analysis (MFA) model for the city’s future requirements. Results indicate increases in requirements ranging from a twofold increase in cement and sand to a fivefold increase in steel by 2030, based on 2016 consumption levels.

Land cover change in Hanoi Province © UKRI
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Land cover change in Hanoi Province. BGS © UKRI.

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