Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 21, issue 5
Articles | Volume 21, issue 5
https://doi.org/10.5194/hess-21-2595-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/hess-21-2595-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 21, issue 5
Research article
 | 
30 May 2017
Research article |  | 30 May 2017

Examining the impacts of precipitation isotope input (δ18Oppt) on distributed, tracer-aided hydrological modelling

Carly J. Delavau, Tricia Stadnyk, and Tegan Holmes

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Short summary
Hydrological models have large amounts of uncertainty in streamflow predictions. Using extra data (e.g. isotope tracers) helps evaluate whether the model is getting the right answers for the right reasons. In a Canadian basin, three types of isotope in precipitation input are used to drive a tracer-aided model and assess the resulting model uncertainty. This study shows how a tracer-aided model can be used at the larger scale, and that the model can be of value in such regions.
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