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Dr. John Van Stan, an associate professor in the Department of Biological, Geological, and Environmental Sciences (BGES), has been awarded a new, 3-year grant from the National Science Foundation. The project is titled Collaborative Research: Macroscale Study of Forest Litter Effects on Precipitation Interception and Soil Water Budgets, and is being performed collaboratively with researchers from the University of Nevada Reno. The research team will study the role of plant litter, which consists of leaves and twigs that cover forest floors, in water. There are potentially competing roles that plant litter plays in water availability – the plant litter may capture moisture and then allow it to evaporate before it can enter the soil, or it may act like mulch in gardens to retain water that has made it into the soil and make that water available to plant. Dr. Van Stan and his graduate student will perform laboratory measurements on plant litter samples to assess storage capacity and drainage parameters, map sampling sites via laser scanning, and develop new plant litter models that integrate with land surface models. They will also use a terrestrial laser scanner to map sampling sites, which informs the precision scaling of point observations for enhanced spatial analysis. |
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