Research Highlights

Highlights will be written for high-level accomplishments and published journal articles of ASR research. Each PI should submit one highlight per fiscal year. To send in a research highlight, please use the submittal form.

Extensive Surface Melting Event in Antarctica During 2015-16 El Niño
Jun 20, 2017       
West Antarctica is one of the most rapidly warming regions on Earth, and this warming is closely connected with global sea level rise; however, this warming does not yet have a comprehensive explanation. A study of a large-scale surface melt event determined that the event was likely favored by the concurrent strong El Niño by [...]

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Capturing Effects of Crop Growth on the Atmosphere in the Southern Great Plains
Jun 07, 2017       
We implemented new algorithms and parameterizations in the Community Land Model (CLM) to capture the atmospheric influence of winter wheat, the dominant crop cover in the Southern Great Plains.

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Crop Control of Evaporative Fraction in SGP
Jun 07, 2017       
We quantified a dramatic change in the fraction of surface energy transferred to the atmosphere as water vapor with the harvest of winter wheat, and an associated shift in control by the quantity of green leaves pre-harvest to control by soil moisture post-harvest, a shift not seen in adjacent grasslands.

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Modeling Condensation in Thunderstorm Clouds
May 27, 2017       
Condensation of water vapor to form and grow cloud droplets is one of the most fundamental processes of cloud and precipitation formation. It drives cloud-scale winds and vertical air motion through the release of latent heat and determines the strength of storm updrafts. Cloud models simulate condensation using two different methods. The first is the [...]

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A New Methodology to Address Aerosol-cloud Effects on Radiation
May 25, 2017       
The influence of aerosol on clouds, and its contribution to cloud radiative forcing, represents one of the largest uncertainties in climate studies. Higher aerosol concentrations are linked to more cloud condensation nuclei (CCN) and, with all else equal, smaller cloud drops and higher cloud albedo. However, aerosol and meteorological drivers are interconnected, and may result [...]

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