Monitoring Polar Ice Decline: The Role of Cryosat Satellite in Climate Research

The video discusses the debate on whether climate changes are part of a natural cycle or due to global warming. It highlights the importance of the Greenland ice sheet and Arctic sea ice in the global climate system. The European Space Agency's Cryosat satellite will map changes in polar ice thickness using radar interferometry. Cryosat will provide precise measurements over three years, transmitting data to Sweden for analysis. The data will help scientists understand ice dynamics and will be shared globally with research institutions.

What is the primary focus of climatologists regarding the Greenland ice sheet and Arctic sea ice?

• To determine their role in ocean currents

• To understand their importance in the natural cycle

• To assess their impact on global warming

• To evaluate their contribution to sea level rise

What is the main purpose of the Cryosat satellite?

• To study ocean currents

• To map changes in polar ice thickness

• To observe wildlife in polar regions

• To monitor weather patterns

How long will Cryosat spend taking measurements once launched?

• Three years

• Two years

• One year

• Four years

What is the Sea Corral instrument designed to measure?

• The shape and volume of ice

• The salinity of ocean water

• Wind patterns over ice sheets

• Temperature changes in the Arctic

Why is it important for scientists to see the freeze-thaw cycle twice?

• To adjust the satellite's instruments

• To compare data with previous satellites

• To confirm the accuracy of the data

• To ensure the satellite's orbit is stable