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Physical Sciences and Mathematics Commons

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Full-Text Articles in Physical Sciences and Mathematics

Soils Associated With The Invasive Grass: Microstegium Vimineum Increases Growth Of Native Trees, Bethany Lee, Kimberly Koenig, Sarah Emery Phd Jan 2021

Soils Associated With The Invasive Grass: Microstegium Vimineum Increases Growth Of Native Trees, Bethany Lee, Kimberly Koenig, Sarah Emery Phd

Undergraduate Arts and Research Showcase

Soil biota are composed of the animals, plants and microorganisms that interact and share resources and nutrients in the soil. When an invasive species is introduced to this complex web of soil interactions, plants and other biota can exhibit chemical or physical change and potentially inhibit or enhance growth of plant species. By testing five native tree species in a black box experiment, we can see if there is a change in biomass in above ground (AG) or below ground (BG) structures of the tree between invaded soils - which previously hosted an invasive grass, Microstegium vimineum - and native …


The Belknap Campus And Metro Louisville Urban Heat Island Effect: Air And Ground Surface Temperature Analysis, Kenyetta Johnson Apr 2020

The Belknap Campus And Metro Louisville Urban Heat Island Effect: Air And Ground Surface Temperature Analysis, Kenyetta Johnson

Undergraduate Arts and Research Showcase

Numerous studies show that urban morphologies and land covers generate excess heat emissions and retain heat relative to surrounding rural areas, known as the Urban Heat Island (UHI) effect. Urban fabrics paved by concretes and asphalts absorbs solar radiation during solar peak then radiates heat after sundown. This study investigates temperature distribution data related to the UHI effect on the Belknap campus at the University of Louisville, which represents a small aerial sample of the Louisville metropolitan UHI effect. The objective of this study is to measure the reflectivity of ground surfaces and air temperatures on the Belknap campus during …