13 Sep 2023
 | 13 Sep 2023
Status: this preprint is currently under review for the journal ESSD.

SISALv3: A global speleothem stable isotope and trace element database

Nikita Kaushal, Franziska A. Lechleitner, Micah Wilhelm, Janica C. Bühler, Kerstin Braun, Yassine Ait Brahim, Khalil Azennoud, Andy Baker, Yuval Burstyn, Laia Comas-Bru, Yonaton Goldsmith, Sandy P. Harrison, István G. Hatvani, Kira Rehfeld, Magdalena Ritzau, Vanessa Skiba, Heather M. Stoll, József G. Szűcs, Pauline C. Treble, Vitor Azevedo, Jonathan L. Baker, Sakonvan Chawchai, Andrea Columbu, Laura Endres, Jun Hu, Zoltán Kern, Alena Kimbrough, Koray Koç, Monika Markowska, Belen Martrat, Syed Masood Ahmad, Carole Nehme, Valdir Felipe Novello, Carlos Pérez-Mejías, Jiaoyang Ruan, Natasha Sekhon, Nitesh Sinha, Carol V. Tadros, Benjamin H. Tiger, Sophie Warken, Annabel Wolf, Haiwei Zhang, and the SISAL Working Group members

Abstract. Paleoclimate information on multiple climate variables at different spatiotemporal scales is increasingly important to understand environmental and societal responses to climate change. A lack of high-quality reconstructions of past hydroclimate has recently been identified as a critical research gap. Speleothems, with their precise chronologies, widespread distribution, and ability to record changes in local to regional hydroclimate variability, are an ideal source of such information. Here we present a new version of the Speleothem Isotopes Synthesis and AnaLysis database (SISALv3), which has been expanded to include trace element ratios and Sr-isotopes as additional, hydroclimate-sensitive geochemical proxies. The oxygen and carbon isotope data included in previous versions of the database have been substantially expanded. SISALv3, contains speleothem data from 364 sites from across the globe, including 94 Mg/Ca, 83 Sr/Ca, 51 Ba/Ca, 25 U/Ca, 29 P/Ca and 14 Sr-isotope records. The database also has increased spatiotemporal coverage for stable oxygen (831) and carbon (588) isotope records compared to SISALv2. Additional meta information has been added to improve machine-readability and filtering of data. Standardized chronologies are included for all new entities together with the originally published chronologies. The SISALv3 database thus constitutes a unique resource of speleothem paleoclimate information that allows regional-to-global paleoclimate analyses based on multiple geochemical proxies, allowing more robust interpretations of past hydroclimate and comparisons with isotope-enabled climate models and other earth system and hydrological models.

Nikita Kaushal et al.

Status: open (until 07 Nov 2023)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on essd-2023-364', Evan Gowan, 15 Sep 2023 reply
    • AC1: 'Reply on CC1', Nikita Kaushal, 18 Sep 2023 reply

Nikita Kaushal et al.

Data sets

SISALv3: Speleothem Isotopes Synthesis and AnaLysis database version 3.0 N. Kaushal, F. A. Lechleitner, M. Wilhelm, and SISAL Working Group members

Nikita Kaushal et al.


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Short summary
Speleothems are a popular, multi-proxy climate archive that provide regional-to-global insights into past hydroclimate trends with precise chronologies. We present an update to the SISAL (Speleothem Isotope Synthesis and Analysis) database, SISALv3, which for the first time contains speleothem trace element records, in addition to an update to the stable isotope records available in previous versions of the database, cumulatively providing data from 364 globally distributed sites.