Articles | Volume 20, issue 11
Hydrol. Earth Syst. Sci., 20, 4439–4455, 2016
https://doi.org/10.5194/hess-20-4439-2016
Hydrol. Earth Syst. Sci., 20, 4439–4455, 2016
https://doi.org/10.5194/hess-20-4439-2016
Research article
03 Nov 2016
Research article | 03 Nov 2016

Solar-forced diurnal regulation of cave drip rates via phreatophyte evapotranspiration

Katie Coleborn et al.

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This is the first observation of tree water use in cave drip water. Our novel time series analysis using the synchrosqueeze transform identified daily and sub-daily oscillations in drip rate. The only hypothesis consistent with hydrologic theory and the data was that the oscillations were caused by solar driven pumping by trees above the cave. We propose a new protocol for inferring karst architecture and our findings support research on the impact trees on speleothem paleoclimate proxies.