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how Denmark can stop war

IF Denmark stops its dredging loops and maintenance cycles, Route T beneath the Storebælt Bridge will naturally become impassable to deep-draft Russian shadow tankers within 12 to 18 months.
While Denmark can use active dredging as a pretext to slow down traffic, simply stopping channel maintenance is the ultimate passive block.
The mechanical reality of letting the dredging loops stop translates into a series of swift operational failures:

1. The Natural Sand Migration Sieve

The seabed of the Great Belt is highly dynamic, characterized by strong currents (reaching 3–4 knots) and heavy sand migration.
• The Silt Build-up: Sandbanks naturally drift across the pre-dredged navigation channels. Without continuous maintenance dredging, underwater silt dunes will rapidly form under the bridge spans.
• The Draft Squeeze: Large loaded tankers (Aframax and Suezmax) rely on a tight 15-meter maximum recommended draft limit. Stopping the dredging loops means natural sedimentation will quickly reduce the available depth from 17–19 meters down to under 13 meters.

2. The "Squat Effect" Grounding Trap

Large commercial vessels do not sit at the same depth when moving as they do when stationary.
• The Hydrodynamic Pull: When a massive tanker passes through shallow, narrow waters like Route T, a physical phenomenon known as the Squat Effect occurs. The water flow speeds up beneath the hull, sucking the ship downward and increasing its physical draft.
• The Crash Point: If Denmark halts dredging and sandbanks accumulate, a shadow tanker drafting at 14.5 meters will physically strike the newly formed shallow seabed due to the squat effect. Running aground directly under or near the Storebælt Bridge piers would trigger an instant, catastrophic maritime bottleneck.

3. The Ultimate Legal and Physical Cap

By stepping back and letting nature take its course, Denmark shifts the nature of the blockade:
• Zero Plausible Act of War: Russia cannot claim a physical naval blockade is occurring or threaten military action if Denmark is simply choosing not to clear moving sand.
• The Total Fleet Lockdown: Once Route T loses its certified 15-meter deep-water depth, international maritime insurers will automatically void the navigation certificates for all deep-draft vessels entering the Baltic Sea. Russia’s primary maritime trade route would be permanently choked by sand, forcing their entire export apparatus to structurally collapse without Denmark ever firing a single
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Khenpal1 · M
A complete, total shutdown of the Baltic Sea for all Russian trade would deal a devastating, unprecedented blow to the Russian economy. Because Russia’s Baltic gateway (Ust-Luga, Primorsk, and St. Petersburg) acts as the absolute life support system for its western provinces, a total halt on exports and imports would carry a combined economic shock wave of $140 billion to $160 billion annually in lost trade value, plus over $130 billion in emergency re-routing or replacement costs.
. Years 1 to 10: The Lost Decade & Infrastructure Rush

During the first ten years, Russia faces an absolute halt of its primary European shipping gateway while aggressively trying to build a replacement from scratch.
• Cumulative Trade Value Loss ($1.44 Trillion): Shuts down a massive portion of its global footprint. With the Baltic Sea permanently blocked, the economy bleeds $143.9 billion annually in stranded seaborne oil revenues ($60.9B), frozen bulk exports like fertilizers and grain ($33B), and blocked industrial/consumer imports ($50B) that trigger massive manufacturing plant closures.
• Emergency Infrastructure Outlay ($116 Billion): The baseline capital requirement to rapidly build deep-water ports, rail extensions, and a nuclear icebreaker fleet along the frozen coast.
• Era Total: $1.55 trillion in combined capital costs and lost commerce by year 10. Russia cannot mathematically or economically "pay for" a $1.44 trillion trade value loss.it will physically destroy Russia’s oil production capability because oil wells cannot simply be "turned off" like a kitchen tap.
If the Baltic Sea closes and Russia loses the ability to export 1.6 million barrels of oil per day, its storage tanks will completely fill up within days. With nowhere to put the oil, Russia will be forced to shut down its production wells across Western Siberia.Historical precedents (such as the collapse of the Soviet Union) prove that when Siberian wells are forced to shut down due to a lack of buyers or shipping routes, up to 30% to 40% of those wells can never be restarted.Shutting down the wells doesn't just mean a temporary pause in sales; it means the permanent physical death of Russia’s oldest and most lucrative oil fields. The $1.64 trillion loss matrix becomes even worse, as Russia loses the actual natural wealth underneath its soil because the extraction infrastructure has physically rotted and frozen in place.
ArishMell · 70-79, M
@Khenpal1 Russia does have Murmansk, and that is likely already served by a railway but probably has no major oil-tanker facilities.

She is not totally isolated though, due to main line railways linking to China.
Khenpal1 · M
@ArishMell rail road to china do not have oil capacity or Murmansk. An oil well when stops working for 2 weeks is done.
ArishMell · 70-79, M
@Khenpal1 I'm rather surprised Russia has not provided for such eventualities. It could do, but certainly not quickly.

Actually it has another and perhaps more accessible major port, Vladivostok, but again is the question of whether that holds a sufficiently large oil terminal.

If the US does manage to buy Diesel oil from Russia, and I am not sure it will, I wonder which port(s) wouldl be used.


The English Channel is often used by the Russian's "shadow tankers" - watched by the various Navies.

One has been arrested, or rather its captain has, and he is in custody ashore awaiting trial while his ship swings at anchor a couple of miles off Portland, on the Southern English coast. I don't know if all the crew are still on board or if any have been repatriated out of humanity, leaving just watch-keepers out there. I gather they are kept moderately supplied with food, and that one who fell ill or had an accident was brought ashore for treatment. (They are not Russians.)
Khenpal1 · M
1. No Positive Obligation to Enhance Custom Depths

Under international law, including the United Nations Convention on the Law of the Sea (UNCLOS) and the 1857 Copenhagen Treaty, Denmark is legally obligated not to obstruct or hamper transit passage through its straits. However, "not hampering" traffic is a passive obligation.
• International law does not force any sovereign nation to actively engineer, deepen, or alter its natural geography to accommodate the growing sizes or drafts of foreign cargo fleets.
• If natural sand migration chokes Route T, Denmark is not creating an artificial blockade; it is simply letting nature take its course.

2. The 1857 Treaty Only Guarantees Maintenance of Existing Signs

While the 1857 Copenhagen Convention mandated that Denmark manage the straits "for the safety of navigation" at its own expense, historic legal precedents clarify that this applies to maintaining lighthouses, buoys, and visual pilotage markers. It does not legally bind the Danish state to run permanent, multi-million-dollar heavy industrial dredging fleets specifically to keep a custom 15-meter deep-water trench clear for heavily loaded Aframax oil tankers.

3. The Sovereign Environmental Defense

If Russia or an international maritime body attempted to sue Denmark in an international tribunal to force a restart of dredging loops, Denmark holds a powerful legal defense: Marine Conservation.
• Industrial dredging causes severe, measurable damage to the marine seabed, destroying local fish populations and disrupting fragile ecosystems.
• Denmark can legally declare that it is pausing non-essential dredging loops under the Storebælt Bridge to meet strict internal environmental mandates or EU marine habitat protection directives. Because these laws would apply to all nations equally, it cannot be legally categorized as a targeted or discriminatory blockade against Russia, making it legally unassailable.

The End Result

If Denmark steps back, Route T’s deep-water draft will naturally collapse. Russia cannot force Denmark to dredge, nor can Russia legally send its own state-owned dredging ships into Danish territorial waters to clear the sand without violating Denmark’s physical sovereignty. The route would simply close to the shadow fleet by the hands of nature.
Khenpal1 · M
1. The "Specific Service" Loophole (UNCLOS Article 26)

The United Nations Convention on the Law of the Sea (UNCLOS), which regulates the Danish Straits, explicitly dictates under Article 26 that no coastal state may levy a toll on foreign ships simply for exercising transit passage.
However, Article 26(2) provides a clear exception: charges can be levied upon a foreign ship as payment for specific services rendered to that ship.
• If Denmark actively operates dredging vessels to clear the moving sandbanks explicitly to allow a deep-draft Russian shadow tanker to safely clear Route T, Denmark is legally permitted to send Russia a bill for the operational costs of that dredging.
2. What Happens if Russia Refuses to Pay?

If Russia refuses to pay the dredging invoices, Denmark cannot legally blockade or seize the ships in transit without violating international law. Instead, Denmark can exploit this refusal through administrative lawfare:
• Denying Future Service: Denmark can state that because previous maintenance bills went unpaid, it will no longer provide active, on-demand dredging or pilotage services to Russian-flagged or Russian-insured vessels.
• The Natural Shutdown: By withholding the dredging service, Denmark lets the sandbanks naturally accumulate. Once the water depth safely clears less than 15 meters, the route becomes physically blocked to Russia's deep-draft tankers anyway—allowing Denmark to achieve a total chokehold legally, passively, and at zero financial cost to itself.
Munumbis · 46-50, M
Russa will just use many small tankers instead of few large ones.
Munumbis · 46-50, M
@Khenpal1 Yet the EU depends on Russian oil.
Khenpal1 · M
@Munumbis you all depend on Vikings, we rule the seas and Russia depends on our waters to exist. 😏
Munumbis · 46-50, M
@Khenpal1 As they say in Denmark, alau akbar.
ArishMell · 70-79, M
What though, of legitimate shipping to and from the other Baltic nations? Or is that all of much shallow-draught vessels?
Khenpal1 · M
@ArishMell they cant drink crude or reestablish wells once down.
ArishMell · 70-79, M
@Khenpal1 No - I take that point. There's no way to close and "mothball" a well so it can start again? Or are these so remote it's not feasible to keep anyone there looking after them?
Khenpal1 · M
@Khenpal1 A total, 2-month shutdown of all Baltic Sea export/import trade combined with a 60-day physical freezing of Siberian oil wells will inflict a massive, permanent $82.2 billion structural loss on the Russian economy.
The Permanent Asset Wipeout: $53.0 Billion

The greatest financial blow occurs underground. Because sub-Arctic oil reservoirs cannot handle a 60-day stagnant freeze, 20% to 30% of the idled wells will be permanently ruined by expanding ice fractures and hardened paraffin wax blockages.• Irreversible Capacity Destruction: This structural breakdown permanently slashes Russia's baseline production capacity by roughly 1.2 million barrels per day.
• The Long-Term Penalty: Because Russia lacks the advanced Western horizontal drilling tech (due to the exit of oilfield giants like SLB and Halliburton) to re-drill adjacent fields, this oil is lost forever. Over the remainder of the decade, this forced reduction in exportable volume drains an additional $53 billion in pure profit from the state budget.On Day 61, Russia does not return to normal. It wakes up to a permanently diminished energy sector, a depleted National Wealth Fund, and an industrial sector heavily paralyzed by a 2-month tech starvation, forcing the Kremlin to accept aggressive, discount-rate financial bailouts from Beijing just to restart its broken economy. The network cannot be flushed, heated, or pumped out. The entire Western pipeline system is rendered a multi-billion-dollar underground scrap monument. To ever export oil west again, Russia would have to dig up and lay completely new pipeline webs across thousands of miles.To restart oil production from the wreckage , it will take Russia 7 to 10 years just to bring production back to even half of its historical capacity, and its oldest Siberian fields will never fully recover.
Because the underground infrastructure, wellheads, and thousands of kilometers of the Transneft pipeline network will have physically fractured and solidified with hardened paraffin wax, Russia cannot simply "reboot" the system. It must completely rebuild its energy geography from scratch.
Russia faces a lost decade in energy wealth. It will take until the mid-2030s just to build a downsized, lower-quality oil network. Furthermore, because Russia cannot finance this massive re-drilling campaign alone, the entire newly built grid will be owned and operated under 99-year Chinese corporate concessions, meaning the profits from this restart will flow directly to Beijing rather than the Kremlin.

 
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