天津农学院学报 ›› 2025, Vol. 32 ›› Issue (6): 1-7.doi: 10.19640/j.cnki.jtau.2025.06.001

• •    下一篇

基于高分辨格点气象数据东北水稻延迟型冷害时空变化特征

邱美娟1, 刘布春2,通信作者, 刘园2, 裴忠有1, 李志彬1, 宋晓慧1   

  1. 1.天津农学院 农学与资源环境学院,天津 300392;
    2.中国农业科学院 农业环境与可持续发展研究所,北京 100081
  • 收稿日期:2024-05-09 发布日期:2025-12-26
  • 通讯作者: 刘布春(1968—),女,研究员,博士,主要从事农业减灾和农业灾害风险管理研究。E-mail:liubuchun@caas.cn。
  • 作者简介:邱美娟(1987—), 女, 讲师, 博士, 主要从事农业气象灾害与产量预测研究。E-mail:qmjcams@163.com。
  • 基金资助:
    国家重点研发计划重点专项(2023YFD1500705); 中国农业科学院科技创新工程(CAAS-ASTIP-2025-IEDA)

Spatial-temporal characteristics of chilling injury to rice in Northeast China based on high-resolution meteorological grid data

Qiu Meijuan1, Liu Buchun2,Corresponding Author, Liu Yuan2, Pei Zhongyou1, Li Zhibin1, Song Xiaohui1   

  1. 1. College of Agronomy and Resource Environment, Tianjin Agricultural University, Tianjin 300392, China;
    2. Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
  • Received:2024-05-09 Published:2025-12-26

摘要: 研究东北地区水稻延迟型冷害时空变化特征, 可为防灾减灾提供参考依据。本研究基于北京师范大学提供的5 km×5 km分辨率数据集, 根据气象行业标准中水稻冷害评估标准, 分析东北地区水稻冷害的时空变化特征。结果表明:东北地区水稻生长季(5—9月)平均气温之和随年代推移呈上升趋势, 距平值由负值转为正值。轻度、中度和重度冷害的发生范围和发生频率均随年代推移总体下降。1981—1990年, 冷害发生频率最高, 范围最广, 尤以重度延迟型冷害最多;1991—2000年, 转为少发期;2001—2010年, 仅个别年份个别区域发生冷害。不同等级延迟型冷害发生范围在1996年以后明显减小。东北地区轻度、中度、重度水稻延迟型冷害呈冷害减轻的格点分别占总格点的36.14%、47.01%和98.20%, 呈先加重后减轻的格点分别占30.10%、21.87%和0.53%。随着全球气候变暖, 东北地区延迟型冷害发生的次数逐渐减少, 尤其是重度延迟型冷害发生频率显著下降。

关键词: 延迟型低温冷害, 格点气象数据, 水稻, 东北地区

Abstract: Studying the spatial-temporal variation characteristics of delayed chilling injury in rice in Northeast China can provide reference for disaster prevention and reduction. The 5 km×5 km meteorological dataset from 1981 to 2010 provided by Beijing Normal University was used in this study to analyze the spatial-temporal changes in delayed chilling injury to rice in Northeast China. Results showed that the sum of the average temperatures in the rice-growing season increased with each decade, with the anomaly shifting from a negative value to a positive value. Both the frequency and coverage of mild, moderate, and severe chilling injuries decreased. From 1981 to 1990, chilling injuries occurred at the highest frequency with the largest coverage, particularly the severe delayed chilling injuries. From 1991 to 2000, chilling injuries occurred less frequently. From 2001 to 2010, chilling injuries occurred in certain regions and in a few years. The grid points with mild, moderate, and severe delayed chilling injury in rice in the Northeast region showed a reduction in chilling injury, accounting for 36.14%, 47.01%, and 98.20% of the total grid points, respectively. The grid points with first aggravation and then reduction accounted for 30.10%, 21.87%, and 0.53%, respectively. With global warming, the frequency of delayed cold damage, especially that of severe delayed cold damage, is gradually decreasing

Key words: delayed chilling injury, meteorological grid data, rice, Northeast China

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