https://hdl.handle.net/21.12132/3.87a1fe59cbce4b4c 1.0 https://instrumentdb.out.ocp.fmi.fi/instrument/87a1fe59-cbce-4b4c-aebe-82f621657dff UGR Parsivel² (2) University of Granada 04njjy449 OTT Hydromet GmbH OTT Parsivel² https://vocabulary.actris.nilu.no/actris_vocab/OTTParsivel2 disdrometer https://vocabulary.actris.nilu.no/actris_vocab/disdrometer drop size distribution rainfall rate 2026-03-09