Examining the impacts of precipitation isotope input (&amp;lt;i&amp;gt;δ&amp;lt;/i&amp;gt;&amp;lt;sup&amp;gt;18&amp;lt;/sup&amp;gt;O&amp;lt;sub&amp;gt;ppt&amp;lt;/sub&amp;gt;) on distributed, tracer-aided hydrological modelling
Hydrology and earth system sciences