depth (MAT9878e7c114): paleoData_longName: '' has been replaced by 'AD'
year (MATc5fcf76adc): paleoData_units: 'AD' has been replaced by 'yr AD'
year (MATc5fcf76adc): paleoData_longName: '' has been replaced by 'AD'
d18O (SP11BEMX01A): paleoData_longName: '' has been replaced by 'AD'
d13C (SP11BEMX01A_d13C): paleoData_longName: '' has been replaced by 'AD'

d18O (SP11BEMX01A): interpretation3_scope: '' has been replaced by 'isotope'
d18O (SP11BEMX01A): interpretation4_scope: '' has been replaced by 'isotope'
d13C (SP11BEMX01A_d13C): interpretation2_scope: '' has been replaced by 'isotope'
d13C (SP11BEMX01A_d13C): interpretation3_scope: '' has been replaced by 'isotope'

Bernal, J. P., Lachniet, M., McCulloch, M., Mortimer, G., Morales, P. and Cienfuegos, E.: A speleothem record of Holocene climate variability from southwestern Mexico, Quaternary Research, 75(1), 104–113, doi:10.1016/j.yqres.2010.09.002, 2011.

There is kinetic isotope fractionation: Strongly positive correlation between d13C and d18O values in the younger segments with Dd13C/Dd18O slopes of 1?1.5. The older parts of the cores are characterized by a significantly lower degree of correlation and typically lower slopes. Linear fits of d13C vs. d18O in cores PFU8 and PFU9 show comparable slopes (1?1.5) but typically lower coefficients (in particular PFU8). Modern calcite precipitates also exhibit a strongly positive correlation of C and O isotope values (R2=0.87). A comparison of the drill core d18O values with calculated modern O isotopic equilibrium values based on monitoring data reveals O isotopic compositions close to isotopic equilibrium only for the calcite d18O minima.

ThermoFisher DeltaplusXL isotope ratio mass spectrometer coupled to a ThermoFisher GasBench II.

Four cores, 25mm in diameter and up to 50 cm long (PFU6, 7, 8, 9) from different parts of the flowstone as well as modern calcilte precipitates

the precision of the d13C and d18O values expressed as the 1-sigma standard deviation is 0.06 and 0.08%,

Annual and homogenized precipitation data of the nearby station Nauders, however, reveal good correspondence with observed C and O isotope changes on a decadal timescale, considering the age uncertainties and different temporal resolution