Accelerated phosphorous leaching during abrupt climate transitions in a temperate Atlantic ecosystem in Northwest Spain recorded by stalagmite P&thinsp;∕&thinsp;Ca variations

Tapia, Nicolas; Endres, Laura; Jaggi, Madalina; Stoll, Heather

doi:10.5194/bg-22-6861-2025

Articles | Volume 22, issue 22

https://doi.org/10.5194/bg-22-6861-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-22-6861-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 22, issue 22

Research article

|

17 Nov 2025

Research article |

| 17 Nov 2025

Accelerated phosphorous leaching during abrupt climate transitions in a temperate Atlantic ecosystem in Northwest Spain recorded by stalagmite P ∕ Ca variations

Nicolas Tapia, Laura Endres, Madalina Jaggi, and Heather Stoll

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Cumulative views and downloads (calculated since 07 May 2025)

Month	HTML	PDF	XML	Total
May 2025	172	30	8	210
Jun 2025	58	10	4	72
Jul 2025	96	28	12	136
Aug 2025	240	18	8	266
Sep 2025	1,020	26	6	1,052
Oct 2025	48	14	8	70
Nov 2025	231	53	22	306
Dec 2025	120	91	19	230
Jan 2026	124	47	23	194
Feb 2026	90	26	13	129
Mar 2026	98	53	8	159
Apr 2026	92	54	9	155
May 2026	79	34	9	122
Jun 2026	21	16	5	42
Jul 2026	26	17	13	56

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Short summary

We use stalagmites to study past changes in the terrestrial P cycle. Our P records from multiple, coeval stalagmites from Northwest Spain show that the onsets of past abrupt cooling events are characterized by multi-century reproducible peaks in stalagmite P which reflect higher groundwater P/Ca concentrations and enhanced P export, potentially resulting from increased freeze-thaw frequency and more intense infiltration from snowmelt.