Ocean current and seabed shape influence warm water circulation under ice shelves
Peer-Reviewed Publication
Updates every hour. Last Updated: 10-Dec-2025 12:11 ET (10-Dec-2025 17:11 GMT/UTC)
New research reveals how the speed of ocean currents and the shape of the seabed influence the amount of heat flowing underneath Antarctic ice shelves, contributing to melting.
Scientists at the University of East Anglia (UEA) used an autonomous underwater vehicle to survey beneath the Dotson Ice Shelf in the Amundsen Sea, an area of rapid glacial ice loss largely due to increasing ocean heat around and below ice shelves.
Galápagos is a living laboratory where every environmental decision matters. On Santa Cruz, the most populated island of the archipelago, freshwater is a limited and increasingly vulnerable resource due to urban growth, agricultural pressure, saltwater intrusion, and climate change. In this context, understanding how water behaves across the landscape becomes essential for water security.
Our study proposes a geomorphological approach to identify which watersheds offer the best conditions for water conservation, which require immediate intervention due to their susceptibility to erosion, and which could be suitable for sustainable agricultural activities.
For roughly two billion years of Earth’s early history, the atmosphere contained no oxygen, the essential ingredient required for complex life. Oxygen began building up during the period known as the Great Oxidation Event (GOE), but when and how it first entered the oceans has remained uncertain.
A new study published in Nature Communications shows that oxygen was absorbed from the atmosphere into the shallow oceans within just a few million years—a geological blink of an eye. Led by researchers at Woods Hole Oceanographic Institution (WHOI), the work provides new insight into one of the most important environmental shifts in Earth’s history.
Tsinghua University Press is pleased to announce the official launch of Ocean (www.sciopen.com/journal/3008-1203), an international, peer-reviewed open-access journal dedicated to advancing research in ocean science, technology, and engineering.
Researchers have managed to speed up a natural process that normally takes thousands of years, creating a lab “machine” to capture carbon dioxide. A new study shows how limestone, dolomite, and seawater can be used as a natural carbon absorption system and could help reduce emissions from power plants in the future. By running CO₂ and seawater through columns filled with these common rocks, the team demonstrated a controllable way to lock carbon safely in dissolved form, rather than letting it escape into the air. The system already works but currently captures only part of the CO₂, leaving clear room – and a clear roadmap – for engineering improvements toward a practical, nature-based carbon capture technology.