Department of Mathematical and Computer Sciences, Colorado School of Mines, Golden, CO 80401, United States;Department of Mathematical and Computer Sciences, Colorado School of Mines, Golden, CO 80401, United States;Division of Environmental Sciences and Engineering, Colorado School of Mines, Golden, CO 80401, United States;Division of Environmental Sciences and Engineering, Colorado School of Mines, Golden, CO 80401, United States;Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, CO 80523, United States