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时间:2019-05-18
《陕西果业基地苹果花期冻害指数及预报方法》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
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4、:1ùklMÈrklËv667%,1ù£ðù2010kجGd,1ù~z¡k,§ûØd`。89::ÇåBoi;ÎGê£ð;1¦IndexofFrostDamageforAppleBlossomandItsForecastMethodinShaanxiFruitBase1,222CHAIQian,LIKe,LIULu(1.CollegeofAtmosphericSciences,LanzhouUniversity,Lanzhou72300
5、0,China;2ShaanxiMeteorologicalServingStationforEconomicalCrop,Xi′an710015)Abstract:InordertoimprovecapabilityofdisasterpreventionandmitigationofShaanxifruitsindustry,andtakequantifiedfrostdamageforecastduringappleblossom,thefrostdamageindexmodelduringappleblossomwasestablished,basedonapplep
6、henologicaldataandmeteorologicaldatainlast40yearsfrom7representativemeteorologicalstations.Accordingtothemodel,thefrostdamageindexwasdividedintofivegradesfromstrongtoweak.ThroughtestingwiththeKthorderautoregression,thepredictingaccuracyratewas66.7%,whichplayedagreatroleinfrostdamageforecast
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