抚顺地区旱涝分析及对粮食产量的影响 |
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引用本文: | 李金义,银燕,张影,迟贵富. 抚顺地区旱涝分析及对粮食产量的影响[J]. 安徽农业科学, 2010, 38(21): 11308-11309,11413 |
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作者姓名: | 李金义 银燕 张影 迟贵富 |
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作者单位: | 1. 南京信息工程大学,江苏南京,210044;辽宁省气象局,辽宁沈阳,110001 2. 南京信息工程大学,江苏南京,210044 3. 辽宁省气象学校,辽宁沈阳,110015 4. 辽宁省抚顺市气象局,辽宁抚顺,113006 |
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摘 要: | 利用抚顺市50个乡镇(站点)48年(1961~2008)逐月的降水量资料,采用Z指数法计算出了抚顺、清原、新宾三县的旱涝指标,分析了抚顺市旱涝出现的地理和季节分布特征,讨论了旱涝对粮食产量的影响。结果表明,自1961年以来抚顺地区出现的7个粮食歉收年,有4年是由连季旱或涝引起的,2年由年度干旱引起,1年由夏季洪涝引起。
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关 键 词: | 旱涝指标 粮食产量 Z指数 连季旱涝 |
Drought and Food Analysis and Impact on Food Production in Fushun |
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Affiliation: | LI Jin-yi et al(Nanjing University of Information Science & Technology,Nanjing,Jiangsu 210044) |
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Abstract: | Based on monthly precipitation data during 1961-2008 in 50 stations in Fushun,drought and flood indicators of three counties were calculated with Z index method,the geographical and seasonal distribution characteristics of Fushun were analyzed,and the impact of drought and flood on food production was discussed.It showed that,since 1961,there were 7 poor harvest years in Fushun,quadrennium caused by continuous seasonal floods or droughts,two years by year drought,one year by summer flood. |
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Keywords: | Drought and flood indicators Food production Z index Droughts or floods in continuous seasons |
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