TY - RPRT TI - Self-supervised and multi-fidelity learning for extended predictive soil spectroscopy AU - Sun, Luning [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000295681165) AU - Safanelli, José L. [Woodwell Climate Research Center, Falmouth, MA (United States)] (ORCID:0000000154105762) AU - Sanderman, Jonathan [Woodwell Climate Research Center, Falmouth, MA (United States)] AU - Georgiou, Katerina [Oregon State Univ., Corvallis, OR (United States)] (ORCID:0000000228193292) AU - Brungard, Colby [New Mexico State Univ., Las Cruces, NM (United States)] (ORCID:0000000202557502) AU - Grover, Kanchan [New Mexico State Univ., Las Cruces, NM (United States)] AU - Hopkins, Bryan G. [Brigham Young Univ., Provo, UT (United States)] AU - Liu, Shusen [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] AU - Bremer, Peer-Timo [Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)] (ORCID:0000000341073831) PY - 2026 DO - 10.1016/j.geoderma.2026.117764 UR - https://www.osti.gov/biblio/3031217 ID - 3031217 ER -