Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 14, issue 11
Articles | Volume 14, issue 11
https://doi.org/10.5194/gmd-14-6813-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-14-6813-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 11
Development and technical paper
 | 
09 Nov 2021
Development and technical paper |  | 09 Nov 2021

HydroBlocks v0.2: enabling a field-scale two-way coupling between the land surface and river networks in Earth system models

Nathaniel W. Chaney, Laura Torres-Rojas, Noemi Vergopolan, and Colby K. Fisher

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Bieger, K., Rathjens, H., Allen, P. M., and Arnold, J. G.: Development and Evaluation of Bankfull Hydraulic Geometry Relationships for the Physiographic Regions of the United States, J. Am. Water Res. Assoc., 51, 842–858, https://doi.org/10.1111/jawr.12282, 2015. 
Bierkens, M. F. P., Bell, V., Burek, P., Chaney, N. W., Condon, L., Cédric, D., de Roo, A., Döll, P., Drost, N., Famiglietti, J. S., Flörke, M., Gochis, D., Houser, P., Hut, R. W., Keune, J., Kollet, S., Maxwell, R., Reager, J. T., Samaniego, L., Sudicky, E., Sutanudjaja, E. H., van de Giesen, N., Winsemius, H. C., and Wood, E. F.: Hyper-resolution global hydrological modeling: what's next, Hydrol. Process., 29, 310–320, 2014. 
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Although there have been significant advances in river routing and sub-grid heterogeneity (i.e., tiling) schemes in Earth system models over the past decades, there has yet to be a concerted effort to couple these two concepts. This paper aims to bridge this gap through the development of a two-way coupling between tiling schemes and river networks in the HydroBlocks land surface model. The scheme is implemented and tested over a 1 arc degree domain in Oklahoma, United States.
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