Articles | Volume 29, issue 14
https://doi.org/10.5194/hess-29-3119-2025
https://doi.org/10.5194/hess-29-3119-2025
Research article
 | 
23 Jul 2025
Research article |  | 23 Jul 2025

Representation of a two-way coupled irrigation system in the Common Land Model

Shulei Zhang, Hongbin Liang, Fang Li, Xingjie Lu, and Yongjiu Dai

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Preprint under review for ESSD
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Cited articles

Al-Yaari, A., Ducharne, A., Thiery, W., Cheruy, F., and Lawrence, D.: The Role of Irrigation Expansion on Historical Climate Change: Insights From CMIP6, Earth's Future, 10, e2022EF002859, https://doi.org/10.1029/2022EF002859, 2022. 
Arboleda-Obando, P. F., Ducharne, A., Yin, Z., and Ciais, P.: Validation of a new global irrigation scheme in the land surface model ORCHIDEE v2.2, Geoscientific Model Development, 17, 2141–2164, https://doi.org/10.5194/gmd-17-2141-2024, 2024. 
Ball, J. T., Woodrow, I. E., and Berry, J. A.: A Model Predicting Stomatal Conductance and its Contribution to the Control of Photosynthesis under Different Environmental Conditions, in: Progress in Photosynthesis Research, edited by: Biggins, J., Springer, Dordrecht, Netherlands, 221–224, https://doi.org/10.1007/978-94-017-0519-6_48, 1987. 
Biemans, H., Haddeland, I., Kabat, P., Ludwig, F., Hutjes, R. W. A., Heinke, J., von Bloh, W., and Gerten, D.: Impact of reservoirs on river discharge and irrigation water supply during the 20th century, Water Resour. Res., 47, https://doi.org/10.1029/2009WR008929, 2011. 
bin Abdullah, K.: Use of water and land for food security and environmental sustainability, Irrig. Drain., 55, 219–222, https://doi.org/10.1002/ird.254, 2006. 
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This study enhances irrigation modeling in the Common Land Model by capturing the full irrigation process, detailing water supplies from various sources, and enabling bidirectional coupling between water demand and supply. The proposed model accurately simulates irrigation water withdrawals, energy fluxes, river flow, and crop yields. It offers insights into irrigation-related climate impacts and water scarcity, contributing to sustainable water management and improved Earth system modeling.
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