TY - GENERIC DO - 10.20944/preprints202112.0139.v1 UR - http://dx.doi.org/10.20944/preprints202112.0139.v1 TI - Estimating the Volcanic Ash Plume Course, PM2.5 Emissions, and Environmental Impacts Based on the December 4, 2021, Mount Semeru Eruption T2 - Preprints AU - Wibowo, Andri PY - 2021 DA - 2021/12/08 PB - Preprints