1. Department of Geography and Spatial Sciences, University of Delaware, Newark, DE 19716, USA
2. Department of Earth Sciences, Malawi University of Science and Technology, Limbe P.O. Box 5196, Malawi
3. Department of Plant and Soil Sciences, University of Delaware, Newark, DE 19716, USA
4. Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA
5. Joseph R. Biden, Jr. School of Public Policy and Administration, University of Delaware, Newark, DE 19716, USA
6. Data Science Institute, University of Delaware, Newark, DE 19716, USA