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

Coleborn, Katie; Rau, Gabriel C.; Cuthbert, Mark O.; Baker, Andy; Navarre, Owen

doi:10.5194/hess-20-4439-2016

Articles | Volume 20, issue 11

https://doi.org/10.5194/hess-20-4439-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/hess-20-4439-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 20, issue 11

Research article

|

03 Nov 2016

Research article |

| 03 Nov 2016

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

Katie Coleborn, Gabriel C. Rau, Mark O. Cuthbert, Andy Baker, and Owen Navarre

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Cumulative views and downloads (calculated since 15 Feb 2016)

Month	HTML	PDF	XML	Total
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Oct 2025	32	22	1	55
Nov 2025	47	7	3	57

Latest update: 24 Nov 2025

Short summary

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.