CH 28.4 Flashcards
What are the two changes that Earth’s climate undergo?
Seasonal and long-term changes
How do seasonal changes occur?
As Earth revolves around the sun
Which hemisphere experiences summer?
Titled towards the sun
What is the period called when earths surface was covered with sheets of ice?
The Ice Age
How long ago did earths climate reach its current pattern?
3,000 years ago
What are the changes related to Earth’s orbit?
The axis, the timing of the season, and the shape of the orbit
How do humans impact climate?
Energy consumption, Deforestation, and industrial and agricultural practice
What is deforestation?
Clearing a large area of forest land
How does deforestation effect climate change?
Trees remove carbon dioxide and with fewer
An increase in the average temperatures of Earth’s near surface air and ocean.
Global Warming
The warming of the Pacific Ocean off the coast of western South America that occurs every 3 to 10 years.
El Nino
Occurs when trader winds in the pacific are unusually strong and surface water is colder than normal.
La Nina
