Monitoring Greenland's Changing Climate: A Study of Glaciers and Rising Sea Levels

The video explores the Arctic Circle's glaciers as indicators of climate change, highlighting the rise in sea levels over the past century and predictions for the future. NASA scientists use advanced technology to monitor ice sheets, gathering data to understand climate dynamics. Field research complements aerial surveys, providing insights into past climate instability and the role of pollutants. The video concludes with a discussion on the potential future impacts of glacial changes on Earth.

What role do glaciers play in understanding global climate?

• They are a habitat for polar bears.

• They are a source of fresh water.

• They serve as a barometer of world climate.

• They are used for recreational activities.

What technology does NASA use to align the P3 aircraft for surveys?

• Magnetic compasses

• Global Positioning System (GPS)

• Infrared sensors

• Sonar technology

How do researchers validate aerial measurements of the ice sheet?

• By comparing with historical data

• By using satellite images

• By using GPS receivers on sleds

• By consulting local inhabitants

What information can be obtained from hand coring down to 10 meters in glaciers?

• The age of the glacier

• The amount of snowfall over the past decade

• The thickness of the ice sheet

• The temperature of the ice

What potential impact do pollutants like carbon dioxide have on global temperatures?

• They stabilize global temperatures.

• They could lower global temperatures by 3 to 9°.

• They could raise global temperatures by 3 to 9°.

• They have no impact on global temperatures.