Earth is locked into a continual feedback loop, meaning a change to one part of the planet could have drastic implications for another. Earth’s magnetic field – while protects our fragile ozone layer – plays a part in this finely balanced and interlocked system. But this magnetic field is shifting due to an unsettled Earth core – which could herald a new ice age.
It is now undisputed scientific fact that climate change is causing large tracts of the polar ice shelf to melt.
And this mass melting ice could have a far deeper and deadlier impact than anticipated.
The Greenland landmass, for example, lost 267 gigatons of ice in 2017.
A single gigatonne is a 1km-cubed iceberg, which can hold an incredible amount of water.
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Scientists around the world are now recording unexpected shifts in Earth’s magnetic north pole.
And this magnetic north pole migration is increasingly believed to a symptom of whole-scale changes within the Earth’s core.
As ice rapidly recedes, it caused ocean currents to change course and water’s salinity – its salt content – to reduce.
These retreating ice caps means less weight is being extorted on the underlying land mass.
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Consequently the pressure applied to the veins of magma pulsing deep below the Earth’s crust is diminished.
And this swirling mass of molten iron at Earth’s core is shifting.
Magma flows can shift and its consistency in certain areas can change.
Centrifugal force have the power to pull this blobs of magma towards the equator, making the equator appears to “shift”, from the perspective of the continents.
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“That may have triggered what we call the ice age,” Rice University’s Professor Gordon said.
A rise of 1.8 metres by 2100, as some scientists forecast in worst-case scenarios, would put coastal cities underwater, research has shown.
And it would also significantly reduce the weight of ice sitting on Antarctica, exacerbating the problem on the magma beneath.
These erratic migrations of Earth’s magnetic north pole have prompted an calls for urgent update to models assists with navigation.
The scheduled fix was supposed to happen on today (January 15), but the US government shutdown has forced an unwelcome delay.