The continuous heat diffusion from building and underground transportation causes the ground to warm at an alarming rate which gives rise to the phenomena ‘Underground Climate Change’.
According to the research done in North-western University in Illions in the US, Underground Climate Change is a silent hazard that threatens major cities across the world.
Researchers found that heat from buildings in underground transportation system diffuses below the surface and over time the ground warms and then expansions and contractions caused by this heat creates rocks. This impairs the long-term durability and operational performance of structures.
Researchers also claim that such rising temperatures may have contributed to previous building deterioration.
Subsurface heat islands an contribute to the overall urban heat island effect, exacerbating heat waves in cities which can have serious health implication such as heat stroke and respiratory problems.
The increase in temperature can also lead to ecological issues. These include changing the condition of subterranean ecosystem and possible contaminating underground water sources.
Despite its threats, underground climate change also presents an opportunity. The heat generated can be captured and used as a source of geothermal energy.
By harnessing the waste heat it is possible to reduce the impact of underground climate change while providing a sustainable source of energy.
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