Entry Two

 Science Journal Blog Entry Two 




What Happens If the Polar Ice Melts?

Polar ice refers to sea ice, ice caps and ice sheets that remain frozen throughout the year (Encyclopaedia.com, n.d.; National Snow and Ice Data Center, n.d.). If the polar ice caps melt, it wouldn’t be good for our climate, ecosystems and lifestyle. On planet Earth, the Arctic and Antarctic consist of only ice, which is a balance to our ecosystem. The melting of ice sheets in Antarctica would cause a significant rise in global sea levels, which would result in potentially submerging coastal cities and dislocating millions of people worldwide. Also, if all polar ice were to melt, sea levels could increase by approximately 70 meters (National Snow and Ice Data Center [NSIDC], n.d.). Additionally, this would also lead to the loss of critical habitats for species such as polar bears, seals, and penguins, disrupting Arctic and Antarctic food chains and threatening biodiversity (World Wildlife Fund, n.d.).

Additionally, the reduction of reflective ice surfaces decreases the Earth’s albedo, in other words, more solar energy would be absorbed by the darker ocean water, accelerating global warming through a positive feedback loop (NASA, 2023). The influx of freshwater from melting ice could also disrupt thermohaline circulation systems, like the Gulf Stream, which play a vital role in regulating global weather patterns, potentially causing extreme events such as harsher winters in Europe or changes to Asian monsoon systems (Intergovernmental Panel on Climate Change [IPCC], 2021). Overall, the melting of polar ice caps would lead to catastrophic environmental, climatic, and socio-economic impacts on a global scale.

 

Questions About This Science Inquiry Experience

There are several important questions to consider when exploring a Science Inquiry Experience about polar ice and its melting. Questions like: one, what human activities are most responsible for accelerating the melting of polar ice caps, and how does this process affect ecosystems and human populations? Two, how scientists measure and monitor changes in polar ice using tools like satellites and remote sensing, as well as how melting ice influences global ocean currents and weather systems.

 

 

References

Encyclopaedia.com. (n.d.). Polar ice. In Encyclopedia.com. https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/polar-ice

 Intergovernmental Panel on Climate Change. (2021). Climate change 2021: The physical science basis. Cambridge University Press. https://www.ipcc.ch/report/ar6/wg1/

NASA. (2023). The albedo effect and climate. NASA Climate. https://climate.nasa.gov

National Snow and Ice Data Center. (n.d.). Quick facts on sea ice. NSIDC.  https://nsidc.org

National Snow and Ice Data Center. (n.d.). Quick Facts about sea ice. https://nsidc.org/learn/parts-cryosphere/sea-ice/quick-facts-about-sea-ice

World Wildlife Fund. (n.d.). The effects of melting ice. WWF. https://www.worldwildlife.org

 

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