A new project harnesses the power of the winter backcountry recreation community to gather data that are vital to understanding snow, from winter hazards to water resources.
seasonal variability
Posted inEditors' Vox
Seeing Mars in a Grain of Sand
The second phase of Curiosity’s campaign at the Bagnold Dunes brought new observations of windblown sands during Mars’s windy season.
Posted inResearch Spotlights
Hydrology Dictates Fate of Carbon from Northern Hardwood Forests
As spring snowmelt and fall rains inundate northern hardwood forests with moisture, soil bacteria get moving and increase carbon exports to the atmosphere and into nearby water bodies.
Posted inEditors' Vox
Observing Winter Mixing and Spring Bloom in the Mediterranean
A new special issue of JGR: Oceans and JGR: Atmospheres presents new insights into the dynamics of dense water formation in the western Mediterranean Sea and its biogeochemical consequences.
Posted inResearch Spotlights
Autumn Warming No Longer Accelerating Carbon Loss in the North
An analysis of Point Barrow’s 40-year record points to the importance of calculating the carbon cycle’s response to temperature during the northern latitudes’ non-growing season.
Posted inResearch Spotlights
Budgeting Ozone-Depleting Emissions from Coastal Tidal Marshes
Brackish wetlands and their salt-tolerant vegetation are significant methyl halide emitters. The natural emissions add chlorine and bromine to the stratosphere, which break down ozone.
Posted inResearch Spotlights
Restored Wetlands Could Lower Local Surface Temperatures
A 3-year study of wetlands and cropland in a major California delta highlights the need to consider the physical effects of vegetation when planning land use changes.
Posted inEditors' Highlights
Seasonal Leaf Production Is Key Control on Amazon Carbon Balance
Characterizing leaf phenology in process-based models reconciles both “dry season green-up” and drought controls on Amazonian carbon balance.
Posted inResearch Spotlights
Evaluating the Accuracy of Seasonal Climate Predictions
An analysis of historical modeling outputs is improving our understanding of the relationships between different types of seasonal forecasting skills.
Posted inResearch Spotlights
Fossilized Caribbean Corals Reveal Ancient Summer Rains
Isotope records and climate modeling suggest that the rainy Intertropical Convergence Zone expanded northward into the southern Caribbean during a warm interglacial period about 125,000 years ago.