I WONDER - How Does Japan Deal With Floods?

Japan, a small island nation, frequently experiences flooding. Tokyo combats this with the Metropolitan Area Outer Underground Discharge Channel, a massive underground facility designed to prevent floodwaters from inundating the city. This system includes a large room and five chambers capable of holding 135 million liters of water, equivalent to 54 Olympic swimming pools, effectively safeguarding the city from potential flood damage.

What natural challenge does Japan frequently face due to its geographical nature?

• Flooding

• Earthquakes

• Tornadoes

• Volcanic eruptions

What is the name of the system Tokyo uses to prevent flooding?

• Tokyo Flood Prevention System

• Underground Water Storage Facility

• Metropolitan Area Outer Underground Discharge Channel

• Tokyo Water Management System

How does the Metropolitan Area Outer Underground Discharge Channel help Tokyo?

• It channels water to the ocean.

• It diverts water to nearby rivers.

• It stores water underground and pumps it away.

• It evaporates excess water.

How many large chambers are part of Tokyo's flood management system?

• Three

• Five

• Six

• Four

The underground system in Tokyo can hold enough water to fill how many Olympic swimming pools?

• 54

• 30

• 60

• 40