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The Thames Barrier, which was completed in 1982, was designed to protect London from tidal surges caused by storm surges and high tides. Since then, the frequency of raising the barrier has increased, which is partly due to the changing climate patterns and rising sea levels.
Global warming has led to more extreme weather events, such as storms and heavy rainfall, which in turn can cause higher tides and surges in river levels. This has resulted in the Thames Barrier being raised more often to protect the city from potential flooding. Additionally, the development of new infrastructure, such as the Crossrail project, has increased the value of property and assets that need protection from flooding, leading to more frequent use of the barrier.
Furthermore, the Thames Barrier was designed to provide protection up to the year 2030, but as sea levels continue to rise, it may become necessary to upgrade or build new flood defenses to ensure that London remains protected from potential flooding.
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