RIASSUNTOLe ricerche attualmente in corso sulla dissoluzione delle rocce carbonatiche sui Carso di Trieste indicano che I'abbassamento medio delle superfici esposte agli agenti atmosferici e di 0.028 mm/anno con u-na piovosita media di 1350 mm. I valori massimi (0.031 mm/anno) competono ai calcari microcristallini, quelli minimi (0.014 mm/anno) aile dolomie.
SUMMARYThe current research on the dissolution of carbonate rocks in the Karst of Trieste indicates that the average degradation of surfaces exposed to atmospheric agents is 0.028 mm/year with an average rainfall of 1350 mm. The maximum levels (0.031 mm/year) correspond to micro-crystalline limestones, the minimum values (0.014 mm/year) to dolomites.
FOREWORDFor 9 years, at eight experimental stations located in the Karst ofTrieste (see Fig. 1), direct measurements have been taken on the degradation of the karst surface exposed to atmospheric agents.The collection of data, performed every six months, relies on a special(1) Research carried out thanks to 60% of MPI contributions (represented by F. Ulcigrai) for the academic years 1985,1986 and 1987, in the framework of the "Karst Phenomena and Physical Caving" section,
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