Streambeds are key sites for removal of nutrients and other contaminants through microbial processes, but are limited by diffusion, which can now be modeled from streambed physical properties.
Modeling
Posted inFeatures
The Arctic’s Uncertain Future
Over the next century, the Arctic will change and look much different than it does today. Just how different is still unknown.
Posted inEditors' Highlights
How Does Subsurface Lithology Speak to Hillslope Morphology?
Subsurface flow hydrology connects soils and bedrock lithology to long-term catchment evolution in humid landscapes.
Posted inNews
Weather Extremes Influence Human Migration Between Mexico and the United States
Undocumented immigrants from agricultural areas in Mexico are most vulnerable to drought and seasonal weather patterns.
Posted inResearch Spotlights
理解区域海平面上升的途径
更精细分辨率的模型，以及对大陆架-海洋过程的更好理解，是理解不同的海岸将如何受到海平面上升、极端风暴潮和海浪影响的关键。
Posted inResearch Spotlights
Thawing Permafrost Is Affecting Climate, but It’s Unclear by How Much
Models produce widely varying estimates of how ecosystems in the northern permafrost region are currently affecting the global greenhouse gas budget.
Posted inEditors' Vox
Soil Salinization: A Rising Threat to Ecosystems and Global Food Security
As soil salinization intensifies, it poses serious threats to ecosystems, soil health, global food security and socio-economic stability.
Posted inNews
A Close Asteroid Encounter May Have Once Given Earth a Ring
An unusual concentration of impact craters suggests that they may have been caused by the breakup of an asteroid that created a temporary debris ring around Earth.
Posted inResearch Spotlights
Machine Learning Could Improve Extreme Weather Warnings
A deep learning technique could reduce the error in 10-day weather forecasts by more than 90%, allowing communities to better prepare for extreme events such as heat waves.
Posted inEditors' Highlights
The Delicate Balance of Permafrost in Arctic River Floodplains
To evaluate the vulnerability of permafrost in Arctic floodplain landscapes to warming, scientists explore dynamics of its loss and reformation.