Journal
COMPUTERS & GEOSCIENCES
Volume 119, Issue -, Pages 115-122Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cageo.2018.06.011
Keywords
Speleothems; Isotopes; Trace metals; Geochemical modelling; Palaeoclimatology; Radiocarbon
Funding
- UK Natural Environment Research Council [NE/L501530/1]
- NERC [NE/G003416/1] Funding Source: UKRI
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CaveCalc is a PHREEQC-based numerical model for cave dripwater and speleothem chemistry, designed to aid in the interpretation of speleothem palaeoclimate records and cave monitoring datasets. CaveCalc forward-models dripwater and carbonate chemistry and isotopes through a variety of soil, karst and cave processes. Such processes include soil water & gas equilibration, carbonate bedrock dissolution, secondary carbonate precipitation and CO2 degassing. CaveCalc is able to quantitatively model bedrock dissolution under semi-open conditions - a feature necessary to accurately simulate the gas chemistry occurring in real cave environments. The model allows coupled modelling of multiple proxy systems, including delta O-18, delta C-13, a(14)C, delta Ca-44/40 and trace-elements (Mg/Ca, Sr/Ca, Ba/Ca), within a single framework. Additional proxy systems, chemical processes and calibration data may be added to the model as required.
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