Why do freshwater icebergs in the Arctic Ocean melt so slowly?

Icebergs in the Arctic Ocean are large pieces of freshwater ice that have broken off a glacier or ice shelf and are floating freely in the open ocean. Some icebergs are over 3,000 years old.



Answer :

Final answer:

Icebergs in the Arctic Ocean melt slowly due to various factors such as the composition of freshwater ice, the temperature of seawater, and the differences between Antarctic and Arctic icebergs.


Explanation:

Icebergs in the Arctic Ocean are large pieces of freshwater ice that have broken off a glacier or ice shelf. They melt slowly in the ocean due to the fact that warm, salty ocean water helps to melt them, and they are composed of fresh water ice, which has a higher melting point compared to saltwater ice.

Additionally, icebergs from Antarctica, where the climate is colder, tend to be larger and more cohesive than those from the Arctic. This difference affects the melting rates, with Antarctic icebergs melting more slowly compared to those from Greenland.

Moreover, the melting point of ocean water, which is lower than the melting point of freshwater ice, also influences the melting rates of icebergs, with warmer seawater leading to quicker ice melt compared to colder water conditions.


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