Xu, Beiyao, Dobbie, Steven, Yang, Huiyi, Yang, Lianxin, Challinor, Andrew, Williams, Karina, Wang, Yunxia and Wang, Tijian (2025) A first calibration of the JULES-crop version 7.4 for rice using the novel O₃-FACE experiment in China. Geoscientific Model Development. ISSN 1991-959X (Print), 1991-9603 (Online) (In Press)

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PDF (Author's Accepted Manuscript) 50907 YANG_A_First_Calibration_Of_The_JULES-Crop_Version_7.4_For_Rice_Using_The_Novel_O₃-FACE_Experiment_In_China_(OA AAM)_2025.pdf - Accepted Version Available under License Creative Commons Attribution. Download (1MB) | Preview

Abstract

Ozone (O₃) pollution poses an escalating threat to rice production and food security in China, with concentrations projected to rise under future climate scenarios. Accurately quantifying O₃ impacts on rice is thus crucial for informed agricultural planning. This study is the first to utilise Free Air Concentration Enrichment (FACE) observations specific to rice for calibrating a crop model (JULES-crop) and assessing the impacts of O₃. FACE experiments, which involve growing crops under natural field conditions while exposing them to elevated O₃ levels, provide an ideal approach for studying the effects of O₃ on crops. Utilising data from the only O₃-FACE facility dedicated to rice, we calibrated physiological and O₃-response parameters in JULES-crop and evaluated the model against additional independent FACE observations. The calibration establishes this as the first crop model refined with ideal open-air field observations, significantly enhancing its capability to simulate rice growth processes and O₃-induced yield losses, surpassing the performance of simulations based on the default parameters in JULES-crop. With this newly calibrated model, JULES-crop is now equipped to assess the impacts of O₃ on agriculture, offering a valuable tool to inform mitigation strategies.

Item Type:	Article
Additional Information:	This has been published as licensed open access pre-print here: How to cite. Xu, B., Dobbie, S., Yang, H., Yang, L., Jiang, Y., Challinor, A., Williams, K., Wang, Y., and Wang, T.: A first calibration of the JULES-crop version 7.4 for rice using the novel O3-FACE experiment in China, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-4077, 2025. Notes If and when the manuscript is accepted for peer-reviewed publication, it may be re-used under the terms of the Creative Commons Attribution 4.0 License but not submitted for peer-reviewed publication elsewhere.
Uncontrolled Keywords:	JULES, FACE, ozone, crop yield, calibration
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science Faculty of Engineering & Science > Natural Resources Institute Faculty of Engineering & Science > Natural Resources Institute > Centre for Society, Environment and Development (CSED) Faculty of Engineering & Science > Natural Resources Institute > Centre for Society, Environment and Development (CSED) > Climate Change
Last Modified:	08 Aug 2025 11:28
URI:	https://gala.gre.ac.uk/id/eprint/50907

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