Acknowledgements
This study was funded through the German Research Foundation (DFG) as
part of the Research Training Group “Urban Water Interfaces” (UWI;
GRK2032/2) and the Einstein Foundation as part of the “Modelling
surface and groundwater with isotopes in urban catchments” (MOSAIC)
project. Funding for DT was also received through the Einstein Research
Unit “Climate and Water under Change” from the Einstein Foundation
Berlin and Berlin University Alliance (grant no. ERU-2020-609)
and the project BiNatur (BMBF No.
16LW0156). We also acknowledge the BMBF (funding code 033W034A), which
supported the stable isotope laboratory and in-situ laser analyser.
Contributions from CS have also been supported by the Leverhulme Trust
through the ISO-LAND project (grant no. RPG 2018 375). We thank all
colleagues involved in the ecohydrological monitoring and daily
precipitation and groundwater sampling, but in particular are grateful
to Jan Christopher, Jonas Freymüller and Jessica Landgraf.