Mexico city has sunk 32 feet 9 75 meters in the past 60 years

Mexico City: A City Sinking into the Depths

In the last 60 years, Mexico City has experienced a startling phenomenon - it has sunk a staggering 32 feet (9.75 meters). This drastic sinking is an alarming reality that has captured the attention of scientists, environmentalists, and the general public alike. The implications of this subsidence are profound, ranging from infrastructure damage to environmental hazards. Let’s delve deeper into the causes and consequences of Mexico City’s sinking.

One of the primary factors contributing to Mexico City’s sinking is its sheer size and population density. With over 21 million people, this bustling metropolis exerts an enormous amount of pressure on the land beneath it. Furthermore, Mexico City is located in a valley, surrounded by mountains, encompassing an area of roughly 573 square miles. The combination of massive urbanization and the city’s geological location exacerbates the problem.

However, human activity has taken an even more significant toll on the city’s subsidence. One of the largest contributors is the reckless over-extraction of groundwater. As the population has grown and water demands have soared, excessive amounts of water have been pumped out from underground aquifers. This relentless extraction results in a significant loss of support for the ground above, causing it to sink gradually. Unsurprisingly, this phenomenon is most prominent in the most populated areas of the city.

Another critical factor that exacerbates the problem is the composition of the soil beneath Mexico City. The area sits atop an ancient lakebed, making it prone to groundwater absorption. As more water is withdrawn from underground, the clay-like soil, known as “the chinampa,” compacts, and the city sinks further. This subsidence poses numerous challenges, such as the deterioration of buildings, roads, and sewage systems, leading to increased maintenance costs and safety concerns.

The consequences of Mexico City sinking are far-reaching and complex. The most apparent effect is the damage it inflicts upon its infrastructure. Buildings are cracked, leaning, and even collapsing, endangering the lives of inhabitants. The city’s precarious underground pipe networks are at risk of rupturing, causing sewage leaks and water supply disruptions. Moreover, the sinking exacerbates the city’s vulnerability to floods, particularly during the rainy season.

Addressing the sinking crisis requires urgent action and holistic solutions. Mexico City is implementing various measures to combat the issue. For instance, the government has adopted a strategy to reduce water consumption and improve water management practices. Additionally, they have invested in infrastructure upgrades, such as reinforcing foundations, underground tunnels for flood prevention, and better waste management systems.

Ultimately, Mexico City’s sinking is a profound ecological and urban challenge that demands attention and comprehensive solutions. By understanding the causes and the potential consequences, we can work towards sustainable development and mitigate the risks associated with such a significant subsidence. It is crucial for policymakers, scientists, and the public to come together to protect this vibrant city, ensuring its long-term survival for generations to come.

Source: EcoWatch