Artificial Intelligence/Machine Learning, Soil-Landscape Modeling, Soil Spectroscopy, Digital Pedology: Integrating soil and agricultural sciences with advanced artificial intelligence to support sustainable agricultural and natural resources management. Spectral analysis for rapid soil health assessment and carbon MMRV; Dynamic Soil Survey under natural (wildfire) and anthropogenic (urbanization) disturbance; Big data and geospatial machine learning; Soil-landscape relationship and evolution under climate change and human activities; Polar soil; Earth Systems Modeling. Lab website: https://www.yakunzhang.com/