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气象:1995,21(9):25-29
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满城防雹效果的评估
(1.中国气象科学研究院,北京 100081;2.河北满城防雹办公室)
Evaluation of the Results of Five-year Hail Suppression in Mancheng, Hebei Province
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中文摘要: 满城5年(1986—1990)防雹试验期间,年平均雹灾面积为633.33公顷,比防雹前10年平均减少2193.33公顷,防雹效果达77.6%。采用两种不同的方法分析满城防雹试验结果表明,满城5年防雹试验是有成效的,经济上投入产出比为1:17.6或1:23。
中文关键词: 防雹,效果,评估
Abstract:Hail suppression operations were carried out in Mancheng county from 1986-1990. Hail damage area was 2193 ha (10 year average) befroe the operations. In the period of hail suppression the damage area was decreased to 633.3 ha, much less than before. The effects of hail suppression was estimated by two ways. The results suggested that the effect of 5 year hail suppression is 77.6%,the operation is beneficial and the ratio of investment to benefit is 1:17.6 or 1:23.
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引用文本:
王雨曾,王文乐,冉永海,史喜增,1995.满城防雹效果的评估[J].气象,21(9):25-29.
,1995.Evaluation of the Results of Five-year Hail Suppression in Mancheng, Hebei Province[J].Meteor Mon,21(9):25-29.