Alexandra (Sasha) Tyukavina Associate Research Professor atyukav@umd.edu I am originally from Russia, and received my MSc in Cartography in 2011 from Lomonosov Moscow State University. My Master's thesis was focused on mapping the northernmost forests in the world, and I got a chance to visit Taymyr peninsula doing field research. After moving from Moscow to Maryland, I have been working at the Department of Geographical Sciences, University of Maryland, where my research focus has moved to the tropical forests. I received my Ph.D. in May 2015. My dissertation research supervised by Prof. Matt Hansen was focused on characterizing forest disturbance dynamics in the humid tropics using optical and Lidar remotely sensed data sets. I stayed at the same lab (UMD GLAD) for my post-doctoral research, working primarily on sample-based estimation of forest loss drivers in the tropics. I am currently an Associate Research Professor at the UMD GLAD, continuing to work on all things sample-based and forest loss related. My latest focus has been on the drivers of forest loss. I feel grateful for this opportunity to learn and grow working with an amazing GLAD team. I have also been lucky to visit humid tropical forests I study from space on a field trip to the northern Republic of the Congo back in 2014, and to do a ground survey of post-disturbance fate of the forests in Mexican Yucatán. Projects: Principal Investigator Multi-resolution quantification and driver assessment of hot spots of global forest disturbance Projects: CO Investigator Global Land Cover and Land Use Monitoring in Support of Environmental Sustainability Generating time-series maps that accurately reflect land change area: A strategy for global land monitoring Supporting Operational Regional Land Cover Monitoring at High Spatial and Temporal Resolution for the Hindu-Kush-Himalayan Region Shifting Cultivation at a Crossroads: Drivers and Outcomes of Recent Land-use Changes in Lao PDR Supporting satellite-based national land cover and land use change monitoring systems in Southeast Asian countries Projects: Researcher Global Forest Watch CARPE III: Monitoring the Forest Resources of the Congo Basin Integrating earth observation and forest inventory data in quantifying biomass in degraded forests of the Republic of Congo Research on Mapping Forest Cover Change in Three Tropical Countries Quantification of Indonesia’s Forest Cover Loss 1980‐2000 and Provision of Exhaustive Monitoring System on Natural Forest Deforestation 1980-2016 Publications: Khan, A., Potapov, P., Hansen, M. C., Pickens, A. H., Tyukavina, A., Serna, A. H., Uddin, K., and Ahmad, J. (2024) Perennial snow and ice cover change from 2001 to 2021 in the Hindu-Kush Himalayan region derived from the Landsat analysis-ready data. Remote Sensing Applications: Society and Environment, v. 34, 101192. Hunka, N., Duncanson, L., Armston, J., Dubayah, R., Healey, S. P., Santoro, M., May, P., Araza, A., Bourgoin, C., Montesano, P. M., Neigh, C. S. R., Grantham, H., Potapov, P., Turubanova, S., Tyukavina, A., Richter, J., Harris, N., Urbazaev, M., Pascual, A., Suarez, D.R., Herold, M., Poulter, B., Wilson, S. N., Grassi, Federici, S., Sanz, M. J., Melo, J. (2024) Intergovernmental Panel on Climate Change (IPCC) Tier 1 forest biomass estimates from Earth Observation. Scientific Data, vol. 11, n. 1127. MacCarthy. J., Tyukavina, A., Weisse, M. J., Harris, N., Glen, E. (2024) Extreme wildfires in Canada and their contribution to global loss in tree cover and carbon emissions in 2023. Science behind the news (short communication). Global Change Biology. 27 June 2024. Pagination 1 2 3 … Next Next page » Last page