Acknowledgements
The authors would like to thank Arnold van Dijk and Desmond Eefting for their technical assistance in the UU clumped isotope lab. This work is part of the UNBIAS project jointly funded by a Flemish Research Foundation (FWO; 12ZB220N) post-doctoral fellowship (NJW) and a MSCA Individual Fellowship (H2020-MSCA-IF-2018; 843011 – UNBIAS; awarded to NJW). BG is supported by an UU-NIOZ collaboration grant.