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Researchers are seeking to understand the chemical processes leading to secondary organic aerosol formation from isoprene compounds emitted by many species of trees including eucalyptus (shown here).March 2015Science Highlights

Competition Not Concentration Matters when Forming Cloud-Influencing Aerosols

Nitrogen oxide has nonlinear effects on the volatility and composition of SOA based on isoprene emitted by trees. Read More »

In the Community Land Model with coupled carbon and nitrogen cycles (CLM-CN), the carbon and water coupling in leaf-level photosynthetic processes was not linked to nitrogen limitation.March 2015Science Highlights

Model Captures How Nitrogen Limitation Affects Hydrological Processes

Refinement addresses previous inaccuracies in plant growth from elevated carbon dioxide in Community Land Model. Read More »

Climate researchers are studying ways to more accurately model the Madden-Julian Oscillation, a large-scale atmospheric circulation pattern associated with rainfall and drought across the tropics, including Indonesia, (shown here).March 2015Science Highlights

Heat’s Role in the Madden-Julian Oscillation

Study shows low-level atmospheric heating is critical for realistic MJO simulations. Read More »

Scientists have developed a new approach that uses sophisticated mathematical solutions to improve computational simulations of ecosystem water processes.March 2015Science Highlights

New Mathematical Method Enhances Hydrology Simulations

Approach uses land-atmosphere observations to calibrate model. Read More »

A glacier in eastern Greenland flows through a long and narrow valley carved by the movement of ice.March 2015Science Highlights

New Method Relates Greenland Ice Sheet Changes to Sea-Level Rise

Modeling approach includes the effects of ice sheet elevation and region. Read More »

Researchers have combined measurements of plant production, bacterial and fungal carbon decomposition, and soil carbon stocks to study the effects of rising carbon dioxide on long-term carbon storage in soils.March 2015Science Highlights

Increased Atmospheric Carbon Dioxide Limits Soil Storage

Study finds that soil carbon may not be as stable as previously thought. Read More »

Data collected from the Atmospheric Radiation Measurement Climate Research Facility’s Southern Great Plains site (shown here) was used to evaluate and compare climate model simulations of precipitation.March 2015Science Highlights

Comparing Climate Models to Real World Shows Differences in Precipitation Intensity

Understanding the differences and similarities will help improve how models represent storm clouds and other convective processes. Read More »

Researchers investigated the sensitivity of net radiative fluxes at the top of the atmosphere to 16 parameters related to cloud and aerosol representations in the Community Atmosphere Model version 5.March 2015Science Highlights

Examining How Radiative Fluxes Are Affected by Cloud and Particle Characteristics

New insights improve Community Atmosphere Model’s representation. Read More »

Symbiotic fungi called ectomycorrhizae colonize the roots of bishop pine.December 2014Science Highlights

Uncovering Role of Symbiotic Fungi in Soil Carbon Storage

Mycorrhizae inhabiting plant roots have major impact on carbon release rates. Read More »

Crop irrigation impacts the use and supply of freshwater around the world, and scientists are working to understand how these impacts may change over regions and time, especially under the influence of climate change.December 2014Science Highlights

Toward an Earth System Modeling Approach to Simulate Irrigation Effects

Land model improvements are enabling more realistic representations of the climate and hydrological consequences of crop irrigation. Read More »

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