| 河北省夏季干旱的一种判定方法 |
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| 引用本文： | 魏瑞江,姚树然,李艳旗.河北省夏季干旱的一种判定方法[J].气象,1999,25(8):55-57. |
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| 作者姓名： | 魏瑞江 姚树然 李艳旗 |
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| 作者单位： | 河北省气象科学研究所,石家庄,050021 |
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| 摘 要： | 在用降水量与作物需水量相比较来确定旱情的同时考虑当地的抗旱能力，引入了灌耕比的概念，结合ＮＯＡＡ／ＡＶＨＲＲ资料分析的判断河北省夏季干旱的发生程度。应用此方法对１９９７年和１９９８年夏旱进行评定，结果与实际相符。
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| 关 键 词： | 降水量 区域抗旱力 距平植被指数 夏旱监测 |
Summer Drought Judgement Method in Hebei Province |
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| Wei Ruijiang,Yao Shuran,Li Yanqi.Summer Drought Judgement Method in Hebei Province[J].Meteorological Monthly,1999,25(8):55-57. |
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| Authors: | Wei Ruijiang Yao Shuran Li Yanqi |
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| Abstract: | The precipitation amount comparing to water requirement of crops can be used to assesse the agricultural drought.Ratio of irrigated and tillable field area is used to evaluate the drought resistant abilities of regional farming.Both of them are combined with the NOAA/AVHRR data in ordar to estimate the summer drought damage to agriculture in Hebei provincial.It gave well results during the application in 1997 and 1998. |
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| Keywords: | precipitation amount ratio of irrigated and tillable field area summer drought resistant abilities NOAA/AVHRR data |
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