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气象:1997,23(9):27-30
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人工增雪对冬麦冻害的影响
(1.新疆人工影响天气办公室,乌鲁木齐 830002;2.新疆生产建设兵团,奎屯 833200)
The Statistical Analysis of Artificial Snow Augmentation Effect on Freeze Injury of the Winter Wheat
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中文摘要: 自1978年以来,在新疆北部沿天山一带对冬季层状云飞机播撒碘化银、干冰等冷云催化剂进行人工增雪作业。对18个非播云年和17个播云年的冬麦冻害做了对比,在播云期内冬小麦年平均冻害面积减少80%以上。对3个主要因素(麦种改良、冬季气温升高和人工增雪)进行了分析,结果表明,人工播云是一个主要的因素。
Abstract:Since 1978,artificial snow augmentation by aircraft silver iodide seeding to the winter stratiform clouds have been conducted continuously along Tianshan mountains in northern Xinjiang.The freeze injury comparison of the winter wheat was made between the 18 unseeded years and the 17 seeded years.The average annual freeze injury area has been decreased over 80% during seeded period.Tree main factors which includ wheat seeds improvement and wintertide temperature increase as well as artificial snow augmentation have been analysed.The obtained results suggest that cloud seeding is a primary factor.
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引用文本:
高子毅,贾昭茂,1997.人工增雪对冬麦冻害的影响[J].气象,23(9):27-30.
,1997.The Statistical Analysis of Artificial Snow Augmentation Effect on Freeze Injury of the Winter Wheat[J].Meteor Mon,23(9):27-30.