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Mysterious 'cold blob' in the Atlantic is a sign of the Gulf Stream weakening — and that's bad news for the US East Coast

Mysterious 'cold blob' in the Atlantic is a sign of the Gulf Stream weakening — and that's bad news for the US East Coast The Atlantic's enigmatic "cold blob" has once again been linked to a weakening of key ocean currents and a devastating climate tipping point. A mysterious "cold blob" in the Atlantic Ocean is a sign that key ocean currents are weakening, a new study has found, with potentially devastating long-term impacts on our climate and weather. The cold blob, or North Atlantic...

Live Science 5h ago

Learning effective Sargassum transport dynamics from limited drifter observations

arXiv:2605.30603v1 Announce Type: new Abstract: Floating-material transport is influenced by unresolved processes that are often absent from available circulation products. We develop a data-driven transport-learning framework for learning effective transport corrections from limited Lagrangian observations using physically motivated ocean--atmosphere diagnostics and finite-memory representations motivated in part by inertial-particle memory effects. The diagnostic representation is analyzed...

arXiv Physics 9d ago

Learning effective Sargassum transport dynamics from limited drifter observations

arXiv:2605.30603v1 Announce Type: cross Abstract: Floating-material transport is influenced by unresolved processes that are often absent from available circulation products. We develop a data-driven transport-learning framework for learning effective transport corrections from limited Lagrangian observations using physically motivated ocean--atmosphere diagnostics and finite-memory representations motivated in part by inertial-particle memory effects. The diagnostic representation is...

arXiv CS 9d ago

Mesoscale Eddy -- Internal Wave Coupling. III. The End of the Enstrophy Cascade and Maintenance of Gyre Scale Potential Vorticity Gradients

Announce Type: replace Abstract: We assess a prognostic formulation of triple coherence relating to energy exchange between mesoscale eddies and the internal wavefield and compare with observations from the Sargasso Sea. This effort involves updates to a theory articulated in M\"uller (1976) that balances eddy induced wavefield perturbations with nonlinearity using a relaxation time scale approximation. Agreement of the prognostic formulation with data is remarkable and is consistent with...

arXiv Physics 1d ago

Tump administration to remove 900 deep sea monitoring instruments that would have studied the collapsing Atlantic current

Tump administration to remove 900 deep sea monitoring instruments that would have studied the collapsing Atlantic current The Ocean Observatories Initiative has been collecting data on physical, chemical, geological and biological conditions in the Atlantic and Pacific Oceans for the past decade The Trump administration is targeting one of the world's most trusted sources of climate and oceanic data — the Ocean Observatories Initiative (OOI). According to the New York Times, ships will be...

Live Science 4d ago

Commentary: The Strait of Hormuz is getting less dire by the day

Commentary: The Strait of Hormuz is getting less dire by the day The longer we go without oil from the Persian Gulf, the less we’ll need it, says Christopher Smart for the New York Times. NEW YORK: Whatever peace agreement the United States and Iran may cobble together, there will be no quick return to pre-war energy flows through the Strait of Hormuz. Even after the mines are cleared, it will take a brave tanker captain to trust that the passage is once again secure - and higher insurance...

Channel News Asia 4d ago

The battle to reclaim Iowa’s idyllic waterways as gross issue halts summer fun

The battle to reclaim Iowa’s idyllic waterways as gross issue halts summer fun The challenge of keeping water bodies clean is exemplified by Lake Darling - Bookmark Hannah Ray J Childs finds exhilaration in Iowa’s Maquoketa River, performing whitewater acrobatics that give her the "feeling of flying” and she met her husband through their shared passion for violent currents. Yet, her deep connection to the state's waterways comes with a stark reality: she's also fallen ill from its pollution,...

The Independent World 6d ago

In Iowa, water pollution is a health threat that also disrupts summer fun

In Iowa, water pollution is a health threat that also disrupts summer fun Andrew Zinin Lead Editor Hannah Ray J Childs propelled her kayak into a rapid on Iowa's Maquoketa River on a recent afternoon and dipped her paddle in the water to swing the front of her boat into the air. She loves to spend her days performing whitewater kayaking acrobatics that dunk her body in the water and give her the "feeling of flying," she said.

Phys.org 5d ago

The Iran War Isn’t Only Trump’s to End

A U.S. official told Axios that on Monday that Donald Trump read Benjamin Netanyahu the riot act for wanting to launch strikes on Beirut, which could collapse American negotiations with Iran. The message, the official said, was “You’re fucking crazy. You’d be in prison if it weren’t for me.

The Atlantic 6d ago

High fuel costs to trigger airline failures and consolidation, industry chief says

High fuel costs to trigger airline failures and consolidation, industry chief says Airlines are also expected to protect margins by cutting unprofitable routes, while fares, which have surged since the outbreak of the Iran war, are unlikely to come down soon, Walsh said. Soaring jet fuel prices driven by conflict in the Middle East are likely to push more airlines into bankruptcy and spur more sector consolidation this year and next, the head of the global airline body said on Saturday (Jun...

Channel News Asia 3d ago