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Don’t underestimate the power of the moon. Super full moons like the one Monday night happen when the moon is closest to Earth, and they bring higher tides. For coastal cities like Miami or Boston or Norfolk, high tides also mean an increased risk of flooding. Because of sea-level rise, these tides have started bringing the ocean into the city. But the moon’s orbit is slightly tilted, and this lunar nodal cycle shapes how we experience sea-level rise: the closer the moon is to the Equator, the more exaggerated the tides. After years in a period of less dramatic tides, the moon will soon swing into the part of its cycle that intensifies tides.
Why This Matters: “In short, the moon has very strong control over how we experience sea level. It doesn’t affect sea-level rise, but it can hide or exaggerate it,” writes Brian McNoldy, an atmospheric scientist at the University of Miami’s Rosenstiel School of Marine and Atmospheric Science. For the past decade, the moon has not been as close to Earth. But in 2025, the cycle will move toward increased intensity. During that cycle, the moon’s pull will effectively double the rate of sea-level rise in Miami and other coastal cities.
Infrastructure by the Pull of the Moon
Understanding the moon’s nodal cycles makes the next four years even more important for building infrastructure to protect coastal areas from sea-level rise.
“During the most rapid downward phase of the lunar nodal cycle – like we’re in right now – we have a bit of a reprieve in the observed rate of sea-level rise, all other things being equal,” McNoldy writes. “These are the years to implement infrastructure plans to protect coastal areas against sea-level rise.”
For Miami, that means “a hundred new mega stormwater pumps, miles of 6-foot-tall sea walls, thousands of injection wells and a network of underground pipes so big and wide even the tallest NBA player could stroll through them without bumping his head,” according to the city’s new stormwater plan looking at the next 40 years, the Miami Herald reports. South Florida is expected to see 18 to 30 inches of sea-level rise by the end of the plan.
“The infrastructure needs to change starting now, you can’t wait for the water to arrive,” oceanographer John Englander told the Miami Herald. “This isn’t a choice. If the water is rising, we will adapt or we will move.”
By Natasha Lasky, ODP Staff Writer While going to space has been one big step for mankind, it could also be one big step backward for the environment. Tesla’s SpaceX Starship launched earlier this year, which triggered a fireball to explode on the launchpad. This explosion shot debris across the Boca Chica tract of the […]
“Arguably, the light bulb is the most transformative invention humans have introduced to this planet. But if light bulbs have a dark side, it’s that they have stolen the night.” Nadia Drake, a contributing writer for national geographic, says that losing our connection to the night sky is one of the world’s great tragedies. But now, […]
In the span of two weeks, two of the world’s richest men blasted off to suborbital space with the intended goal of promoting commercial spaceflight. This past week, Amazon founder and billionaire Jeff Bezos took his trip on Blue Origin’s New Shepard rocket. This prompted questions about the environmental impact of private space travel. The […]
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