How closely should be placed industrial centre / NIMBY from urban centre?

I'm trying to design a realistically looking capitol (with a few milion people) for one human nation on an exoplanet.

The technology level is barely better than contemporary.

The city is placed near river, on some roughly flat, semi desert. (just boring terrain)

Roughly counting 25% of labour force work in industry (like in modern industrial powers), ~2% in agriculture and the rest in services. The idea is the following. It would be very nice to have heavy industry. It would be also really nice to have a clean city, full of parks etc, in which all population including workers can spend their time after work.

To solve this contradiction the idea is the following - to place the industrial district downwind, and transport the workers using some local version of suburban rail. Additionally to stop any residential, office, etc development in that one specific direction, to have some green buffer zone.

1) Is such concept reasonable? (assuming that local political climate allows that)

2) Whats the reasonable distance between city and such industrial district to protect city mostly from pollution and keep the commuting time reasonable? (does anyone has any study how big area gets affected by pollution?)

3) Should such district be spread around or it would be enough just to put such factories along the rail line?

(So far the best thing that I found were studies concerning London and their airport expansion. It was quite useful concerning how much free space one should leave for a big city and its airport. Just in the perfect case it would need something like that concerning heavy industry)

posted almost 8 years ago

Shadow1024‭

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