数字农科院2.0

An opensource indoor climate and yield prediction model for Chinese solar greenhouses

文献类型： 外文期刊

作者： Bo Zhou;Daniel Reyes Lastiri;Nan Wang;Qichang Yang;Eldert J. van Henten

作者机构：

关键词： Chinese solar greenhouse;Climate model;Sensitivity analysis;Tomato yield prediction

期刊名称： Biosystems Engineering

ISSN： 1537-5110

年卷期： 2025 年 250 卷

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： This study introduces a climate model for Chinese solar Greenhouses (CSGs) integrated with a tomato yield model. The developed model evaluates how CSG design and operation influence indoor climate and yield. It was described and validated against three experiments, with different scenarios for selected initial conditions to verify the ability to simulate the impact of large thermal masses. Significant model parameters were identified through sensitivity analysis. The climate and yield model accurately predicted indoor climate variables and tomato yield across the three experiments from one empty CSG in Shenyang and two operational production CSGs in Beijing. Indoor air temperature showed the acceptable results for long-term simulation, with an RRMSE of 12.1%, RMSE of 1.58 °C, and ME of 1.08 °C. The model, for the first time, incorporated the balance of carbon dioxide under CSG conditions achieving an RRMSE ranging from 8.64% to 27.1%, RMSE from 63.72 to 192.5 ppm, and ME from −17.8 to 2.45 ppm. Additionally, tomato yield predictions exhibited satisfactory errors, with an RRMSE ranged from 22.3% to 26.3%, RMSE ranged from 0.61 to 0.71 kg m−2, and ME ranged from −0.33 to 0.46 kg m−2. The sensitivity analysis underscored the significance of air exchange-related parameters, and introducing a control variable for the optimal LAI would be beneficial for enhancing accuracy. This model is publicly available as open-source Python code at https://github.com/jdsjxin/CSGtom, providing a valuable tool for optimising the design and operation of existing CSGs and guiding the improvement of new CSGs in northern China.

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