Examining spatial accessibility to COVID-19 testing sites in Florida. - Ran Tao 012; Joni Downs; Theresa M. Beckie; Yuzhou Chen; Warren McNelley (Ann. GIS, 2020)

Using Remote Sensing and Machine Learning to Locate Groundwater Discharge to Salmon-Bearing Streams. - Mary E. Gerlach; Kai C. Rains; Edgar J. Guerrón-Orejuela; William J. Kleindl; Joni Downs; Shawn M. Landry; Mark C. Rains (Remote. Sens., 2022)

SAPC: A New Overland Flow Accumulation Algorithm With Enhanced Adaptability to Terrain Surface Variations. - Xinyu Gao; Victor Mesev; Ziqi Li; Kazi Jihadur Rashid; Joni Downs (Trans. GIS, 2025)