Viviana Zalles Post-Doctoral Associate vzalles@umd.edu Viviana has a bachelor's degree in Environmental Science and has earned her PhD in Geographical Sciences at the University of Maryland. She is interested in using remote sensing to research large scale land cover change and its drivers, particularly in the context of tropical deforestation. Projects: CO Investigator Global Land Cover and Land Use Monitoring in Support of Environmental Sustainability Projects: Graduate Researcher Global Forest Watch Total Carbon Estimation in African Mangroves and Coastal Wetlands in Preparation for REDD and Blue Carbon Credits Projects: Researcher Commodity Crop Mapping and Monitoring in South America Quantifying Spatio-Temporal Trends in the Expansion of South American Agriculture, 1985 to Present Evaluating Landsat And Rapid Eye Data for Winter Wheat Mapping And Area Estimation, Soy Yield Field To National Mapping Crops at 10-m Resolution in the United States Research on Mapping Forest Cover Change in Three Tropical Countries Publications: Li, H., Song, X.-P., Adusei, B., Pickering, J., Lima, A., Poulson, A., Baggett, A., Potapov, P., Khan, A., Zalles, V., Hernandez-Serna, A., Jantz, S. M., Pickens, A. H., Ortiz-Dominguez, C., Li, X., Kerr, T., Song, Z., Turubanova, S., Bongwele, E., Kondjo, H. K., Komarova, A., Stehman, S. V., and Hansen, M. C.: An Accurate 10 m Annual Crop Map Product of Maize and Soybean Across the United States, Earth Syst. Sci. Data Discuss. [preprint], https://doi.org/10.5194/essd-2025-361, in review, 2025. Parker, D., Tosiani, A., Yazid, M., Sari, I. L., Kartika, T., Kustiyo, Firmansyah, R., Said, Z., Wijaya, A., Potapov, Tyukavina, A., Stehman, S.V., Zalles, V., Pickens, A., Pickering, J., Turubanova, S., Hansen, M. C. (2024) Land in limbo: Nearly one third of Indonesia’s cleared old-growth forests left idle. Proceedings of the National Academy of Sciences, 121(28), e2318029121. Li, H., Song, X. P., Hansen, M. C., Becker-Reshef, I., Adusei, B., Pickering, J., Wang, L., Wang, L., Lin, Z., Zalles, V., Potapov, P., Stehman, S.V., & Justice, C. (2023). Development of a 10-m resolution maize and soybean map over China: Matching satellite-based crop classification with sample-based area estimation. Remote Sensing of Environment, 294, 113623. Pagination 1 2 3 … Next Next page » Last page