Numerical modeling can help with identifying the combined effects of weed growth, flood frequency, and magnitude on gravel bed rivers.
Earth science
Posted inEditors' Highlights
Plants Reveal the History of Earth’s Largest Tropical Ice Cap
Rooted plants buried by advancing outlet glaciers illustrate rapid changes in the extent of Quelccaya Ice Cap in Peru during the Holocene.
Posted inNews
Frost Quakes Shake Up Finland’s Wetlands
New research shows frost quakes may happen more frequently in wetland areas and, similar to earthquakes, can cause damage to infrastructure.
Posted inEditors' Highlights
New Constraints on Sulfur Cycling in the Prebiotic Earth
Experiments constraining rates of aqueous reactions and photolysis coupled with a global model constrain the abundance and chemical speciation of sulfur in early Earth’s atmosphere and oceans.
Posted inFeatures
Modern Microbial Mats Offer Glimpses of Other Times and Places
Comprising diverse groups of microbes, isolated but globally scattered mat ecosystems like those in Lake Huron may be analogues of life on early Earth and in other exotic environs.
Posted inNews
Popocatépetl’s Wake-Up Call: Transforming Volcanology in Mexico
The 1994 eruption of “Don Goyo” in central Mexico accelerated an academic interest in volcanology.
Posted inScience Updates
Un enfoque holístico de los datos hidroeléctricos
Una nueva plataforma en línea ofrece extensos datos y herramientas sobre los recursos hidroeléctricos de EE. UU., lo que permite tomar decisiones basadas en datos en el nexo energía-agua.
Posted inResearch Spotlights
Uncertainty Abounds in Seeding the Sky to Fight Climate Change
Some scientists have suggested injecting solid particles such as alumina, calcite, or even diamonds into the atmosphere to temporarily limit climate warming. But new research shows there are still big unknowns.
Posted inEditors' Highlights
Do Some Cratons Have Soggy Bottoms?
Long-persistent stable cratons bear much of the deep-time geologic record, and a new study combines seismic and petrological data to reveal how interactions with mantle fluids can shape their evolution.