TY - RPRT TI - A bifacial view factor model considering terrain slope and nonuniform albedo AU - Anderson, Kevin Scott [Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)] (ORCID:0000000211667957) AU - Jensen, Adam R [DTU] AU - Hansen, Clifford [Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)] (ORCID:0000000286205378) PY - 2026 DO - 10.1109/jphotov.2026.3677506 UR - https://www.osti.gov/biblio/3547214 ID - 3547214 ER -