Tag Archives: ocean

Maintaining the undersea cables that keep today’s world humming

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The Internet-enabled world of today might not be possible without having and repairing thousands of undersea cables:

Photo by Matt Hardy on Pexels.com

The world’s emails, TikToks, classified memos, bank transfers, satellite surveillance, and FaceTime calls travel on cables that are about as thin as a garden hose. There are about 800,000 miles of these skinny tubes crisscrossing the Earth’s oceans, representing nearly 600 different systems, according to the industry tracking organization TeleGeography. The cables are buried near shore, but for the vast majority of their length, they just sit amid the gray ooze and alien creatures of the ocean floor, the hair-thin strands of glass at their center glowing with lasers encoding the world’s data…

Fortunately, there is enough redundancy in the world’s cables to make it nearly impossible for a well-connected country to be cut off, but cable breaks do happen. On average, they happen every other day, about 200 times a year. The reason websites continue to load, bank transfers go through, and civilization persists is because of the thousand or so people living aboard 20-some ships stationed around the world, who race to fix each cable as soon as it breaks…

The world is in the midst of a cable boom, with multiple new transoceanic lines announced every year. But there is growing concern that the industry responsible for maintaining these cables is running perilously lean. There are 77 cable ships in the world, according to data supplied by SubTel Forum, but most are focused on the more profitable work of laying new systems. Only 22 are designated for repair, and it’s an aging and eclectic fleet. Often, maintenance is their second act. Some, like Alcatel’s Ile de Molene, are converted tugs. Others, like Global Marine’s Wave Sentinel, were once ferries. Global Marine recently told Data Centre Dynamics that it’s trying to extend the life of its ships to 40 years, citing a lack of money. One out of 4 repair ships have already passed that milestone. The design life for bulk carriers and oil tankers, by contrast, is 20 years…

“One of the biggest problems we have in this industry is attracting new people to it,” said Constable. He recalled another panel he was on in Singapore meant to introduce university students to the industry. “The audience was probably about 10 university kids and 60 old gray people from the industry just filling out their day,” he said. When he speaks with students looking to get into tech, he tries to convince them that subsea cables are also part — a foundational part — of the tech industry. “They all want to be data scientists and that sort of stuff,” he said. “But for me, I find this industry fascinating. You’re dealing with the most hostile environment on the planet, eight kilometers deep in the oceans, working with some pretty high technology, traveling all over the world. You’re on the forefront of geopolitics, and it’s critical for the whole way the world operates now.”

This is a great example of invisible infrastructure. How many Internet users each day think about the cables that support the system? I am guessing very few.

The article suggests the methods of repairing undersea cables resembles that of the first repairers of cables in the second half of the nineteenth century. Given our technological advances, are there quicker ways to do this? I imagine one reason these systems are still used is because they are considered economical. At what point do the cables go away in favor of a different system?

Who should be able to live on or near the coast?

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A new federal government flood insurance plan highlights an ongoing question: should living near the ocean coast be available to many?

Photo by Daniel Jurin on Pexels.com

At the center of the fight are the questions of who gets to live by the water, and who should shoulder the burden of costs that rise with the sea level. The estimated 13 million people who reside in the officially designated floodplain are divided between those who can buy pricey waterfront homes and those consigned to live in less desirable, low-lying areas because that’s all they can afford. Some of the people hardest-hit by major recent storms have been vulnerable communities in New Orleans; Port Arthur, Texas, outside Houston; and poor neighborhoods in the farthest reaches of New York City. The updated flood-insurance system is designed to help those populations, but in coastal communities across the country, uncertainty about the new prices is spreading fear that however well intentioned, the administration’s policy will exacerbate the inequality of beachfront living, pushing out homeowners most sensitive to climbing insurance rates.

Real estate is famously about location, location, location with recent examples – COVID-19 migration and opportunities in the metaverse – illustrating this maxim. The coast may be one of the most desirable locations as there is only so much of it and people like the views and access to the water and beaches. Even though not all coastal properties are really expensive, such land near big cities and destinations can be very pricey with high demand.

Even as the insurance program is updated, perhaps the real long term question is just how many people should be able to live on the coast at all given climate change, environmental concerns including erosion and habitat degradation, and an interest in keeping shoreline available for public use. Is there any chance more coastline in popular areas is protected fifty or one hundred years from now or are the market pressures just too strong?

Keep scrolling for the chart that shows how deep in the ocean MH370’s may be

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Richard Deitsch highlights this chart showing the possible depth of MH370’s black box. I’m not copying it here because it is one long chart.

Two things the chart does well:

1. On the way down to 15,000 feet, it shows relative heights and depths of other objects. Buildings don’t even come close and animal life is limited.

2. The effect of continued scrolling highlights just how deep the black box may be. The chart could have shrunk to fit the screen or a typical newspaper page but it would then lose the interactive element of going down more and more.

Planning for floating cities

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A Dutch architect is taking inspiration from designing houseboats and thinking about cities built to float on the water:

Olthuis, who along with building partner Dutch Docklands, designed a section of floating islands for Dubai’s man-made Palm Islands development project, has also created a patent which scales up the technology used for a houseboat to floating structures big enough to hold cars, roads and houses.

“Water is a workable building layer or a floating foundation and if you turn water into space, which is a dramatic change of mindset, there’s a whole new world of possibilities,” Olthuis told Reuters…

“It is just a floating foundation, mostly made of concrete and foam which is quite stable, heavy, and goes up and down with waves and up and down with the sea level,” he said.

The floating city of the future is still a dream, but Olthuis’s firm, WaterStudio, which he started a decade ago, designs buildings and floating structures which try to combat the challenges posed by rising sea levels.

Sounds interesting but I imagine it is a ways away from being used for large-scale development.

The article suggests it is currently being used in one setting and is envisioned for another key use: it is currently for the wealthy but could be used in the future to help combat the rise of the oceans due to global warming. I wonder if it might have more practical uses today: imagine new tourist, residential, and commercial destinations built in major cities like New York or Chicago that are out over the water (not just in the water or relatively close to shore). What about relieving overcrowding in some cities by building out over the water? What about being able to put essential infrastructure out on the water (power plants, water treatment facilities, etc.)? If cities weren’t as limited by land and could utilize the water surface as well, this would encourage new opportunities.

Building libertarian cities in the middle of the ocean

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This has been talked about for a while but here is a brief update on independent libertarian cities to be built in the oceans:

Pay Pal founder and early Facebook investor Peter Thiel has given $1.25 million to an initiative to create floating libertarian countries in international waters, according to a profile of the billionaire in Details magazine.

Thiel has been a big backer of the Seasteading Institute, which seeks to build sovereign nations on oil rig-like platforms to occupy waters beyond the reach of law-of-the-sea treaties. The idea is for these countries to start from scratch–free from the laws, regulations, and moral codes of any existing place. Details says the experiment would be “a kind of floating petri dish for implementing policies that libertarians, stymied by indifference at the voting booths, have been unable to advance: no welfare, looser building codes, no minimum wage, and few restrictions on weapons.”…

The Seasteading Institute’s Patri Friedman says the group plans to launch an office park off the San Francisco coast next year, with the first full-time settlements following seven years later.

While this sounds like some post-apocalyptic scene, these cities could provide an interesting Lord of the Flies situation. Even though these places will (or may) be built in order to escape regulations, they will have to adopt rules and norms of their own in order to survive. I will be interested to see what sort of society will develop in these new cities.

I also imagine that someone will try to control what happens on these islands. Although these places may be in international waters, I think there will be a discussion about how these rules should be altered. Won’t someone want to tax what happens on these islands or to make sure that they are not national security threats?