Cardenas-Ritzert, O.S.E., Shah Heydari, S., Rode, D.T., Filippelli, S., Laituri, M., McHale, M.R., Vogeler, J.C. In Review. A comparison of urban green and open space land cover characterizations based on high and very-high resolution imagery: A case study in Mekelle, Ethiopia and Polokwane, South Africa. Remote Sensing