Risk evaluation of solar greenhouse cucumbers low temperature disaster based on GIS spatial analysis in Tianjin, China
文献类型： 外文期刊
作者： Chen, Sining 1 ; Li, Zhenfa 1 ; Liu, Fang 1 ; Yang, Shenbin 2 ; Li, Ming 3 ;
作者机构： 1.Tianjin Climate Ctr, Tianjin, Peoples R China
2.Nanjing Univ Informat Sci & Technol, Nanjing, Jiangsu, Peoples R China
3.China Natl Engn Res Ctr Informat Technol Agr NERC, Beijing, Peoples R China
关键词： Solar-greenhouse; cucumber; low temperature disaster; risk evaluation; GIS; Tianjin
期刊名称：GEOMATICS NATURAL HAZARDS & RISK （ 影响因子：3.528； 五年影响因子：4.008 ）
ISSN： 1947-5705
年卷期： 2019 年 10 卷 1 期
页码：
收录情况： SCI
摘要： To plan the cucumber cultivation area scientifically, improve the quality of cucumber and avoid meteorological disaster risks, this article evaluates low temperature disaster risk of greenhouse cucumber in Tianjin, China. Solar greenhouses are the main carriers for facility agriculture in North China which usually do not carry heating and supplementary lighting equipments. Consequently, growth and development of crops are still indirectly influenced by the greenhouse outside weather in some extent. In recent years, low temperature disaster of cucumber during overwintering periods happens frequently which brings large influence on cultivation and production of cucumbers in Tianjin. This research takes three types of solar greenhouses with different heat-retaining capacities as the facility carriers to evaluate the low temperature disaster risk of cucumbers grown in different greenhouses. First, study the corresponding relationship between microclimate elements in greenhouse and meteorological elements out of greenhouse based on assurance rate method and conduct the indexes caused cucumber low temperature disaster in different greenhouses at different development stages. Then, construct the risk evaluation model for low temperature disaster based on natural disaster risk evaluation theory. Finally, the low temperature disaster risk zone-division is realized based on GIS spatial analysis function to evaluate cucumber low temperature disaster risk comprehensively.
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