18 Questions
Which term gained prominence in the 1980s or later, along with La Niña?
Neutral
What term was coined in the late 1960s to describe the connection between changes in the Pacific Ocean and the atmosphere?
ENSO
What is the main cause of ozone depletion and the ozone hole?
Halocarbon refrigerants
Which phenomenon refers to the much larger springtime decrease in stratospheric ozone around Earth's polar regions?
Ozone hole
How are ozone-depleting substances (ODS) transported into the stratosphere?
By turbulent mixing after emission from the surface
What process catalyzes the breakdown of ozone (O3) into oxygen (O2) in the stratosphere?
Photodissociation of halogen atoms
What is the warming phase of the sea temperature known as?
El Niño
Which atmospheric component is coupled with the sea temperature change during ENSO?
High air surface pressure in the tropical western Pacific
What is the cause of the Walker circulation?
High air surface pressure over the eastern Pacific Ocean
How does El Niño influence ocean temperatures?
By decreasing the strength of the Walker circulation
Which phenomenon results in cooler ocean temperatures due to increased upwelling?
La Niña
What is responsible for creating El Niño by causing above average ocean surface temperatures?
Low air surface pressure in the tropical western Pacific
What was the main concern associated with ozone depletion?
Increased risks of skin cancer and cataracts
Which international agreement banned the production of ozone-depleting chemicals like CFCs and halons?
Montreal Protocol
When did the ban on ozone-depleting chemicals come into effect?
1989
What is the expected timeline for the ozone hole to reach pre-1980 levels?
2075
What factor contributed to the stabilization and recovery of ozone levels by the mid-1990s?
Reduced emissions of ozone-depleting chemicals
In 2019, what was significant about the ozone hole according to NASA's report?
It was the smallest since 1982.
Test your knowledge on the relationship between changes in the Pacific Ocean, El Niño, La Niña, Neutral, and ozone depletion events since the late 1970s.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
