Articles | Volume 29, issue 9
https://doi.org/10.5194/hess-29-2201-2025
https://doi.org/10.5194/hess-29-2201-2025
Research article
 | 
12 May 2025
Research article |  | 12 May 2025

CONCN: a high-resolution, integrated surface water–groundwater ParFlow modeling platform of continental China

Chen Yang, Zitong Jia, Wenjie Xu, Zhongwang Wei, Xiaolang Zhang, Yiguang Zou, Jeffrey McDonnell, Laura Condon, Yongjiu Dai, and Reed Maxwell

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Cited articles

Bailey, R. T., Wible, T. C., Arabi, M., Records, R. M., and Ditty, J.: Assessing regional-scale spatio-temporal patterns of groundwater–surface water interactions using a coupled SWAT-MODFLOW model, Hydrol. Process., 30, 4420–4433, https://doi.org/10.1002/hyp.10933, 2016. 
Belleflamme, A., Goergen, K., Wagner, N., Kollet, S., Bathiany, S., El Zohbi, J., Rechid, D., Vanderborght, J., and Vereecken, H.: Hydrological forecasting at impact scale: the integrated ParFlow hydrological model at 0.6 km for climate resilient water resource management over Germany, Frontiers in Water, 5, 1183642, https://doi.org/10.3389/frwa.2023.1183642, 2023. 
Bianchi, M., Scheidegger, J., Hughes, A., Jackson, C., Lee, J., Lewis, M., Mansour, M., Newell, A., O'Dochartaigh, B., Patton, A., and Dadson, S.: Simulation of national-scale groundwater dynamics in geologically complex aquifer systems: an example from Great Britain, Hydrolog. Sci. J., 69, 572–591, https://doi.org/10.1080/02626667.2024.2320847, 2024. 
Cao, G. L., Zheng, C. M., Scanlon, B. R., Liu, J., and Li, W. P.: Use of flow modeling to assess sustainability of groundwater resources in the North China Plain, Water Resour. Res., 49, 159–175, https://doi.org/10.1029/2012wr011899, 2013. 
Chen, J., Sudicky, E. A., Davison, J. H., Frey, S. K., Park, Y. J., Hwang, H. T., Erler, A. R., Berg, S. J., Callaghan, M. V., Miller, K., Ross, M., and Peltier, W. R.: Towards a climate-driven simulation of coupled surface-subsurface hydrology at the continental scale: a Canadian example, Can. Water Resour. J., 45, 11–27, https://doi.org/10.1080/07011784.2019.1671235, 2020. 
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Short summary
We developed the first high-resolution, integrated surface water–groundwater hydrologic model of the entirety of continental China using ParFlow. The model shows good performance in terms of streamflow and water table depth when compared to global data products and observations. It is essential for water resources management and decision-making in China within a consistent framework in the changing world. It also has significant implications for similar modeling in other places in the world.
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