NASA | Earth Science Week | How is the Global Earth ...

The video discusses the study of sea ice in polar regions using satellite data, highlighting its importance in understanding climate impacts. It covers the trends observed over 30 years, noting a decrease in Arctic sea ice and an increase in Antarctic sea ice. The video also explores the connection between global warming and Arctic sea ice changes, emphasizing the broader implications for the environment.

What is one of the key roles of sea ice in the polar regions?

• It absorbs solar radiation.

• It acts as a barrier between the ocean and the atmosphere.

• It increases ocean salinity.

• It reduces ocean currents.

Why is satellite data crucial for studying sea ice?

• It provides detailed underwater images.

• It offers a comprehensive view of both polar regions.

• It measures the temperature of sea ice.

• It predicts future weather patterns.

What has been observed about Arctic sea ice over the past 30 years?

• It has decreased significantly.

• It has increased significantly.

• It has remained stable.

• It has shown no clear trend.

How does the change in Arctic sea ice relate to global warming?

• It suggests global cooling.

• It supports the evidence of global warming.

• It contradicts global warming theories.

• It has no relation to global warming.

What is the current trend in Antarctic sea ice according to the data?

• It is melting completely.

• It is decreasing.

• It is increasing.

• It is fluctuating randomly.