ISU researchers develop decision-making tool for sustainable cities


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The city of Des Moines is involved in ISU’s “Big Data for Sustainable City Decision-Making” research project. (Jason Mrachina/Flickr)
Jenna Ladd | October 28, 2016

Researchers at Iowa State University (ISU) and the city of Des Moines are working together to develop a decision-making tool that could revolutionize the way cities tackle climate change and social issues.

Ulrike Passe, associate professor of architecture and director of ISU’s Center for Building Energy Research, is the lead faculty researcher. Passe said, “There’s so much unrelated data available — from census and economic information to policy studies and weather records — but it needs to be merged into a useable model.” Passe added that city planners and officials need to have “a data-based tool that helps them decide how to allocate resources for conservation measures like tree planting and storm water management.”

Passe’s team of 16 researchers from over a dozen disciplines is working closely with Scott Sanders, Des Moines city manager. Sanders said, “The creation of this this decision-making system will provide staff access to an amalgamation of big data, which they presently have no way to effectively evaluate, that is a critical component to the future of successful and resilient cities.” Sanders noted that citywide interest in sustainability is on the rise, he said, “The demand far outweighs the city’s ability to provide all of the required and desired improvements within its current budget constraints. The need for a data-driven process and policy to help assess and prioritize the city’s investments has never been higher.”

The project is focusing its efforts on communities in east Des Moines such as Capitol East, Capitol Park and MLK Jr. Park. Linda Shenk, associate professor of English at ISU, is also involved in the study. She said, “We focus on marginalized populations because they are the most vulnerable to the effects of climate change due to limited resources, yet the most difficult for cities to reach and engage in data collection.” For her part, Shenk has been discussing climate change and brainstorming local solutions with neighborhood groups and high school students. Meanwhile, other researchers in the neighborhoods are gathering data about how citizens interact with their city, communities, and homes using computational thermal-physical models.

Other ongoing projects include a tree inventory in the Capital East neighborhood and energy efficiency research through controlled experiments at ISU’s net-zero energy Interlock house located at Honey Creek Resort State Park. The study’s goal for this year is to compile data about human behavior related to energy use. Moving forward, Passe said, “Our objective is to create decision-making support systems that will help cities and their residents translate this research into actions — new policies, incentives for individual behaviors and community resilience.”

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The above graphic outlines the four phases of the research project along with the 16 ISU faculty that are involved. (Iowa State University)

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