Anthropology Professor Deploys Drone To Fight Disease In Africa
This summer, Oakland University Professor Jon Carroll went to Africa to explore the role drones can play in combatting the spread of malaria. The project, which is funded by the United States Agency for International Development, uses precision agriculture to support public health, environmental protection, food security, and other efforts.
The research team spent nine days in the East African nation of Malawi, where they collected data to assess the effectiveness of drone imagery in detecting areas of standing water – common breeding grounds for mosquitos, the chief transmitters of malaria.
“You have to compare the aerial imagery with data collected on the ground,” Carroll explained. “That’s how you gauge the reliability of the drone photos.”
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Although data analysis is not yet complete, Carroll said drones are a promising tool to curb the threat of a disease that, according to the World Health Organization, afflicted more than 200 million people in 2017 – with more than 90 percent of cases and deaths occurring in Africa.
Carroll, who is an FAA-licensed drone pilot, registered professional archaeologist and assistant professor in OU’s Department of Sociology, Anthropology, Social Work and Criminal Justice, explained that drones allow researchers to capture high-resolution images that far exceed the quality of those produced by satellites.
“With standard satellite imagery, the smallest object you can detect is around 7 feet by 7 feet,” he said. “With drone imagery, the smallest object you can detect is about 3 inches. So in terms of distinguishing objects from each other, and detecting different landscape features, drone imagery is far superior.”
Carroll and fellow researchers April Frake and Brad Peter, both from Michigan State University, centered their efforts on Malawi’s Bwanje Valley Irrigation Scheme due to the markedly high rates of malaria found there.
“Malaria is endemic to the region, but it’s not evenly distributed,” Carroll said. “The people that live around this irrigation scheme are at far greater risk than people who live down the road.”
Researchers hope drone imagery can help irrigation engineers and agriculturalists develop strategies that allow water to flow through irrigation schemes more efficiently, avoiding stagnation which enables mosquitoes to breed.
The communities that surround the irrigation scheme are heavily dependent on water-intensive crops, mainly rice, which causes puddles to form in the fields. Carroll noted that the research team worked closely with local residents to collect the aerial and ground data.
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“I was really impressed by how collaborative and engaged they were in helping us do our work,” he said. “They have intimate knowledge of the local landscape, as well as the social, economic and political environment. All of those factors play into how the irrigation scheme is run.”
Along with the fieldwork, the team also held lectures on their research at Malawi’s Lilongwe University of Agriculture and Natural Resources. The lectures were well attended by faculty and students – another sign of strong community engagement, which Carroll said is vital to the success of the project.
“If this technology is going to grow and propagate, these are the folks who are going to do it,” he said. “They are the ones who will build on this research and use it to improve the lives of potentially millions of people.”
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