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Spatial and temporal characteristics of dryness/wetness for grapevine in the Northeast of China between 1981-2020

文献类型： 外文期刊

作者： Yang, Xiaojuan 1 ; Sun, Jingbo 3 ; Liu, Buchun 1 ; Sun, Yankun 3 ; Ji, Xingjie 4 ; Luan, Qingzu 6 ; Liu, Yuan 1 ; Lei, Tianjie 1 ; Bai, Wei 1 ; Chen, Di 1 ; Abdelrahman, Mohamed A. E. 7 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing, Peoples R China

2.Chinese Acad Agr Sci, Natl Engn Lab Efficient Crop Water Use & Disaster, Beijing, Peoples R China

3.Northeast Agr Univ, Coll Resources & Environm, Harbin, Peoples R China

4.Henan Inst Meteorol Sci, Inst Plant Protect, Zhengzhou, Henan, Peoples R China

5.Beijing Municipal Climate Ctr, Beijing, Peoples R China

6.Natl ity Remote Sensing & Space Sci NARSS, Div Environm Studies & Land Use, Cairo, Egypt

7.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, State Key Lab Efficient Utilizat Arid & Semiarid A, Beijing, Peoples R China

关键词： Northeast China; grapevine; wine region; dryness; wetness

期刊名称：VITIS （ 影响因子：1.1； 五年影响因子：1.5 ）

ISSN： 0042-7500

年卷期： 2024 年 63 卷

页码：

收录情况： SCI

摘要： The Northeast of China has a marked continental monsoon climate characterized by dry and wet hazards that have destructive impacts on wine grape yields and quality. The purpose of this study was to analyze the spatiotemporal characteristics of dryness/wetness of grapevines in the wine region of northeast China from 1981 to 2020. The Crop Water Surplus and Deficit Index (CWSDI) was used to characterize the dryness/wetness using meteorological data collected at 15 meteorological stations located in or near the wine region of northeast China from 1981-2020. Results showed that the multi-year average precipitation could satisfy the water requirement of grapevine with the average CWSDI of 43% (Bud burst), 35% (Shoot growth), 40% (Flowering), 73% (Berry development), 24% (Maturation) and 56% (Full growing stage) respectively for grapevine. Most growing stages experienced a wetting trend and varied discontinuously with the abrupt change in years. The drought-stricken areas were smaller than wet-stricken areas for each growing stage, especially for berry development and full growing stages. The drought and wet characteristics were stage-specific during the grapevine growth period. The precipitation, CWSDI, wet frequency, and wet risk increased from northwest to southeast for each growing stage, while crop evapotranspiration (ETc), drought frequency and drought risk showed the opposite characteristics. The drought risk was lower than wet risk in the Northeast wine region. These results can be used to develop strategies for mitigating and adapting dryness/wetness events in the wine regions of northeast China.

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