🧍CASE STUDY - Cheonggyecheon Flashcards

1
Q

Where is Cheonggyecheon?

A

Seoul, South Korea

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2
Q

Since when has the river flowed through the city?

A

1300s

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3
Q

When was the river covered?

A

The 1960s

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4
Q

Why was the river covered?

A

To build a road above it as Seoul rapidly developed

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5
Q

What was the aim of the project?

A

To improve air quality, urban drainage, reduce traffic and increase the number of residents commuting on foot

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6
Q

How long did the removal of the road take?

A

2 years

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7
Q

How much did the removal of the road cost?

A

£200 million

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8
Q

When did the government decide to return the river to an open stream?

A

2002

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9
Q

Why did the government decide to return the river to an open stream?

A

Due to build up of traffic in the city and poor air quality

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10
Q

What was done to the river banks?

A

They were vegetated

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11
Q

What was the wider plan for the ‘Seoul forest’?

A

To create a green corridor so that wildlife could move freely without having to cross roads

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12
Q

How were the local community engaged in the project?

A

Through events and community projects

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13
Q

Where is water used from the create a constant flow of water?

A

The Han river, groundwater and purified water from sewerage treatment

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14
Q

Does the project impact urban drainage positively or negatively?

A

Perhaps negatively, as water is pumped in from elsewhere

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15
Q

How much has traffic reduced by?

A

2.3%

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16
Q

How much as use of the subway risen by?

A

4.3%

17
Q

What was conserved and re-positioned?

A

Historic sites and bridges

18
Q

How much as the average temperature been reduced by?

A

0.3 degrees C

19
Q

Why has the project been criticised?

A

Because the pumping of water is costly, and the concrete bed makes water purification by animals difficult, as well as increases in Algae

20
Q

How much has algae increased by year on year?

A

30%