Pietro Milillo¹, Mostafa Momen², Ankita Vashishtha³, Alexandre Becker Campos⁴, Jose Louis Nueso-Bello⁵, Paola Rizzoli⁵, Johan Nilsson⁶, Juan Carlos Fernandez Diaz⁷, Sean Parks⁸, Andrea Manconi⁹, Yismaw Wassie³, Daniel Kahl¹⁰, Cristiano Giovando¹¹, Jochen E Schubert¹², Keiko Saito¹¹, Brett F Sanders¹³, Laetitia Tango¹⁴, Luigi Mascolo¹⁵ and Manuela Battipede¹⁵, (1)University of Houston, Department of Civil and Environmental Engineering, Houston, TX, United States, (2)University of Houston, Civil and Environmental Engineering, Houston, TX, United States, (3)University of Houston, Department of Civil and Environmental Engineering, Houston, United States, (4)FAU Erlangen- Nürnberg, Institute of Geography, Erlangen, Germany, (5)German Aerospace Centre DLR, Microwaves and Radar Institute, Munich, Germany, (6)Uppsala University, Department of Earth Sciences, Uppsala, Sweden, (7)National Center for Airborne Laser Mapping, Houston, United States, (8)USDA Forest Service, Missoula, United States, (9)WSL Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, Switzerland, (10)University of California Irvine, Department of Civil and Environmental Engineering, Irvine, CA, United States, (11)World Bank, Washington, United States, (12)University of California Irvine, Department of Civil and Environmental Engineering, Irvine, United States, (13)University of California Irvine, Irvine, CA, United States, (14)University of Houston, Civil and Environmental Engineering, Houston, United States, (15)Politecnico di Torino, Torino, Italy