Nowosad, J., Bonannella, C., Görgen, D., Jemeljanova, M., Kattenborn, T., Linnenbrink, J., Meyer, H., Nussbaum, M., Patelli, L., Simoes, R. and Uuemaa, E. (2026) “Navigating challenges in spatial machine learning: Validation, uncertainty, algorithms, and reproducibility”, ERDKUNDE. doi: 10.3112/erdkunde.2026.04.01.