TY - RPRT TI - Spatial Mapping of Riverbed Grain-Size Distribution Using Machine Learning AU - Ren, Huiying AU - Hou, Zhangshuan AU - Duan, Zhuoran AU - Song, Xuehang AU - Perkins, William A. AU - Richmond, Marshall C. AU - Arntzen, Evan V. AU - Scheibe, Timothy D. PY - 2020 DO - 10.3389/frwa.2020.551627 UR - https://www.osti.gov/biblio/1755384 ID - 1755384 ER -