https://vocabularyserver.com/cnr/ml/snowterm/it/https://vocabularyserver.com/cnr/ml/snowterm/it/xml.php?skosTema=18280colonna d'acqua https://vocabularyserver.com/cnr/ml/snowterm/it/xml.php?skosTema=18280 parametri idrologici BT https://vocabularyserver.com/cnr/ml/snowterm/it/xml.php?skosTema=18280 altezza dell'acqua UF