斯洛文尼亚科学与艺术学院研究中心
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作者:Wolfgang Dreybrodt
来源:[J].Acta Carsologica(IF 0.542), 2019, Vol.48 (1)
摘要:Outgassing of CO2 from thin water layers of a solution of CaCO3 in an H2O -CO2 system plays a crucial role in the precipitation of calcite. Understanding the process of outgassing of CO2 during precipitation of calcite to the surface of stalagmites is important for the inter...
作者:Wolfgang Dreybrodt
来源:[J].Acta Carsologica(IF 0.542), 2017, Vol.46 (2-3)
摘要:Isotope exchange between DIC in a calcite depositing water layer and the CO2 in the surrounding atmosphere : Resolving a recent controversy
作者:Wolfgang Dreybrodt
来源:[J].Acta Carsologica(IF 0.542), 2016, Vol.45 (3)
摘要:When calcite is precipitated from a water film on top of a stalagmite to its surface, the carbonate in the solution and consequently also the carbonate in the calcite deposited becomes enriched in the heavy isotopes 18O and 13C (Hansen et al. 2016; Dreybrodt & Scholz 2011; Romano...
作者:Wolfgang Dreybrodt , Franci Gabrovšek , Matija Perne
来源:[J].Acta Carsologica(IF 0.542), 2016, Vol.34 (2)
摘要:O speleogenetskem pomenu vode, ki iz toplega vlažnega zraka kondenzira na hladne jamske stene je napisanega veliko. Kondenzirana voda se hitro uravnoteži z ogljikovem dioksidom v jamski atmosferi, zato raztaplja apnenec in pri tem tvori različne skalne oblike. V članku preds...
作者:Wolfgang Dreybrodt , Douchko Romanov
来源:[J].Acta Carsologica(IF 0.542), 2008, Vol.37 (2-3)
摘要:Under growth conditions constant in time stalagmites grow into an equilibrium shape, which is established, when all points of its surface are shifting by the same vertical distance during a time inter­val. Thereby is the recipitation rate in, is the calcium concentration of ...
作者:Wolfgang Dreybrodt , Georg Kaufmann
来源:[J].Acta Carsologica(IF 0.542), 2007, Vol.36 (3)
摘要:The basic process active in the formation of subaerial features on karst rocks is chemical dissolution of limestone or gypsum by water films flowing on the rock surface. The dissolution rates of limestone and gypsum into thin films of water in laminar flow are given by F = α...
作者:Wolfgang Dreybrodt , Douchko Romanov
来源:[J].Acta Carsologica(IF 0.542), 2007, Vol.36 (1)
摘要:Dissolution of calcium carbonate in the saltwater-freshwater mixing zone of coastal carbonate aquifers up to now has been treated by coupling geochemical equilibrium codes to a reactive-transport model. The result is a complex nonlinear coupled set of differential transport-advec...
作者:Wolfgang Dreybrodt , Franci Gabrovšek
来源:[J].Acta Carsologica(IF 0.542), 2009, Vol.38 (1)
摘要:We report on sinter terrace forms on the centimetre scale observed on the top and at the base of a stalagmite in Škocjanske jame (Škocjan caves). These exhibit connected rimstone dams, forming a net-like pattern with active water pools inside. The form is similar to those se...

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