Climate Change Climate Science & Atmospheric Systems 2

Question 1

Which atmospheric layer contains the ozone layer that absorbs most of the Sun's ultraviolet radiation?

Accepted Answer

Stratosphere

Answer

The stratosphere, extending roughly 12–50 km above Earth, houses the ozone layer which absorbs 97–99% of incoming UV radiation.

Question 2

What is the primary driver of Earth's seasonal climate variations?

Accepted Answer

The axial tilt of Earth at 23.5 degrees

Answer

Earth's 23.5° axial tilt means different hemispheres receive more direct sunlight at different times of year, causing seasons.

Question 3

Which feedback mechanism amplifies warming by reducing Earth's surface albedo as ice melts?

Accepted Answer

Ice-albedo feedback

Answer

Ice-albedo feedback occurs when melting ice exposes darker ocean or land surfaces that absorb more solar energy, further accelerating warming.

Question 4

What term describes the band of rising air near the equator that drives tropical weather patterns?

Accepted Answer

Intertropical Convergence Zone

Answer

The Intertropical Convergence Zone (ITCZ) is a belt of low pressure near the equator where trade winds meet, causing persistent convection and rainfall.

Question 5

How does ocean heat capacity affect regional climate compared to land?

Accepted Answer

Oceans moderate temperatures by absorbing and releasing heat slowly

Answer

Water's high specific heat capacity causes oceans to absorb and release heat slowly, moderating coastal climates and reducing temperature extremes.

Climate Change Practice Test

Climate Change Practice Test

Climate Change Climate Science & Atmospheric Systems 2