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Full-Text Articles in Physical Sciences and Mathematics

Do Wind Turbines Affect Weather Conditions?: A Case Study In Indiana, Meghan F. Henschen, Brittany Herrholtz, Lacey Rhudy, Kathryn Demchak, Brian Doogs, Joshua Holland, Erik Larson, Johnny Martin, Matthew Rudkin Jul 2011

Do Wind Turbines Affect Weather Conditions?: A Case Study In Indiana, Meghan F. Henschen, Brittany Herrholtz, Lacey Rhudy, Kathryn Demchak, Brian Doogs, Joshua Holland, Erik Larson, Johnny Martin, Matthew Rudkin

The Journal of Purdue Undergraduate Research

Wind turbines are becoming increasingly widespread in the United States as the world looks for cleaner sources of energy. Scientists, policymakers, and citizens have strong opinions regarding the positive and negative effects of wind energy projects, and there is a great deal of misinformation about wind energy circulating on the Web and other media sources. The purpose of this study is to gain a better understanding of how the rotation of hundreds of turbines can influence local weather conditions within a wind farm and in the surrounding areas. This experiment measures temperature, atmospheric pressure, wind speed, wind direction, relative humidity, …


Spatio-Temporal Boundary Dynamics In An East Central Indiana Tallgrass Prairie Reconstruction, Daryn J. Dockter Jan 2011

Spatio-Temporal Boundary Dynamics In An East Central Indiana Tallgrass Prairie Reconstruction, Daryn J. Dockter

Master of Environmental Science (MES) Theses

The spatial and temporal dynamics of ecological boundaries reveal insight into interspecific competition, species responses to anthropogenic and natural factors, and ecological function. During a fifteen year study, spatial analysis of species composition was conducted across a plant community boundary in a tallgrass prairie reconstruction in East Central Indiana (USA). Boundary formation appeared to have been influenced by short-term flooding that inundated lower portions of the study site shortly after initial seeding in spring 1993. During the first growing season, a plant boundary was perceived to be located along the flood line. In general, the flood zone was dominated by …