Weather hazards：练习题

• a.

  Repair costs for damaged rail infrastructure and power lines.

• b.

  Contamination of local water supplies with pollutants from flooded industrial sites.

• c.

  Increased revenue for local hardware stores selling flood protection equipment.

• d.

  Disruption to schools and businesses due to heavy snowfall and icy roads.

• a.

  They provide the cold air required to create a temperature inversion.

• b.

  They push the storm directly towards the poles into cooler waters.

• c.

  They cause air to converge and rise, creating the necessary low-pressure conditions.

• d.

  They create high-pressure cells that trap moisture near the ocean surface.

• a.

  The frequency of extreme weather is decreasing as the atmosphere stabilizes.

• b.

  Only winter-related hazards like snow are increasing, while summer hazards are decreasing.

• c.

  The frequency is remaining constant, but the location of events is shifting south.

• d.

  Evidence suggests that extreme events, such as heavy rainfall and heatwaves, are occurring more frequently.

• a.Hadley cell
• b.Polar cell
• c.Ferrel cell
• d.Walker cell

• a.\(15^{\circ}\text{C}\)
• b.\(20^{\circ}\text{C}\)
• c.\(32^{\circ}\text{C}\)
• d.\(27^{\circ}\text{C}\)

先自己写一遍答案，再对照解题步骤。

先自己写一遍答案，再对照解题步骤。

先自己写一遍答案，再对照解题步骤。