The Chinese rover identified hydrated minerals—likely associated with groundwater—in sediments dating to the Red Planet’s most recent geologic period.
sediments
Posted inEditors' Highlights
Time-Step Filtering in Holocene Global Magnetic Field Models
Through a local fixed time-step filter, global Holocene magnetic field models remain mathematically tractable refining our insight into field variability and improving archeological dating.
Posted inEditors' Highlights
Unlocking Ultra-High-Resolution Paleothermometry from Sediments
Mass spectrometric imaging techniques used to extract micron-scale organic paleothermometry signatures from Arabian Sea sediments show that they skillfully reflect observations.
Posted inScience Updates
A Sharper Look at the World’s Rivers and Catchments
Digital hydrographic maps have transformed global environmental studies and resource management. A major database update will provide even clearer and more complete views of Earth’s waterways.
Posted inNews
Mortality of Seagrass Meadows May Not Kill Their Methane Release
New research indicates that seagrasses continue to release methane even after they die, complicating blue carbon initiatives.
Posted inEditors' Highlights
Moving Earthquake-Generated Sediment Through a Landscape
Ten years after the Wenchuan earthquake, most of the new sediment it produced remained on the landscape, indicating a long recovery time.
Posted inNews
Cuando los ríos están contaminados, las inundaciones son solamente el primer problema
A medida que las inundaciones aumentan en frecuencia e intensidad, los productos químicos enterrados en los sedimentos de los ríos se convierten en “bombas de tiempo” que esperan activarse.
Posted inNews
How Does Sand Move? New Observations Challenge Prevailing Formulas
Research in the Azores finds a discrepancy between field observations of sediment transport and predictions made with commonly used mathematical formulas.
Posted inNews
Sediments Suggest Vikings May Have Been the First to Settle the Azores
A multidisciplinary team studying lake sediments and climate change found evidence that the archipelago was inhabited 700 years earlier than historical sources claim.
Posted inNews
Mammoths Lost Their Steppe Habitat to Climate Change
Ancient plant and animal DNA buried in Arctic sediments preserve a 50,000-year history of Arctic ecosystems, suggesting that climate change contributed to mammoth extinction.