American Society of Civil Engineers


Indiana Rainfall Pattern Trends: The Influence of Large Wind Farms


by James Kaiser, (Purdue University Calumet, 2200, 169th St. Hammond, IN 46323. E-mail: cviswana@purduecal.edu.), Vujadin Petrovic, (Purdue University Calumet, 2200, 169th St. Hammond, IN 46323. E-mail: cviswana@purduecal.edu.), V. Chandramouli, (Purdue University Calumet, 2200, 169th St. Hammond, IN 46323. E-mail: cviswana@purduecal.edu.), and A. G. Agwu Nnanna, (Purdue University Calumet, 2200, 169th St. Hammond, IN 46323. E-mail: cviswana@purduecal.edu.)
Section: Watersheds, pp. 4148-4155, (doi:  http://dx.doi.org/10.1061/41173(414)431)

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Document type: Conference Proceeding Paper
Part of: World Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability
Abstract: Recently, large wind farms were constructed in three counties of Indiana: Benton, Warren, and White. Research literature indicates large wind farms can cause changes in rainfall patterns. Model studies were conducted in the past to study the influence of large scale wind farms. For examining such influences, 100 years of daily rainfall data from 33 stations located in Indiana were considered. Basic statistics of one, three, and ten year blocks, moving averages, and seasonal transitions for different stations were examined using individual station-based analysis as well as on a regional scale. These stations were well spread within the state of Indiana. Wind mill installations were initiated in 2007 and are still being built to this day. Preliminary results indicate that there is no significant change after the wind farms were in use. However, this study indicated the need for a detailed analysis considering the whole region including Indiana, Illinois and Ohio states.


ASCE Subject Headings:
Indiana
Illinois
Ohio
Rainfall
Wind power