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《Remote Sensing of Environment》发表程涛教授“Improved estimation of leaf chlorophyll content of row crops from canopy reflectance spectra through minimizing canopy structural effects and optimizing off-noon observation time”

发布人: 发布日期: 2019-09-07 浏览次数:

jinri,yaboappzuowujingqueguanlituanduizaiguojidingjiyaoganqikan《remote sensing of environment》fabiaoletiwei“improved estimation of leaf chlorophyll content of row crops from canopy reflectance spectra through minimizing canopy structural effects and optimizing off-noon observation time”deyanjiulunwen,baodaoletuanduizaiguancengchidudaomaiyepianyelvsuhanliangguangpujiancefangmiandezhongyaojinzhan。

亚博appyelvsuhanliangshifanyingzuowuguanghenengliyudansuyingyangzhuangkuangdezhongyaozhibiao。spadyelvsuyidengshouchishishebeichangyongyuyepiandianweiceliang,nanyiyingyongyuguancengchidu。ruheliyongzuowuguancengfansheguangpuzhunquewusunjianceyelvsuhanliang(µg/cm2),yizhishiguojinongqingyaoganjiancelingyudeyanjiuredian。jiyutedingboduanfanshelvzuhedeguangpuzhishu,yichenggongyingyongyuyepianchidudeyelvsuhanlianggaojingdugusuan。danshizaiguancengchidu,yelvsuhanliangyuguancengjiegoucanshu(ruyemianjizhishu)duifanshelvguangpudeyingxiangnanyifenli,yiyouguangpuzhishushouguancengjiegoudeyingxiangjiaoda,congerduiyelvsudeminganxingjiaodi,gusuanjingdubugao,nanyimanzudamianjiyaoganjiancedeyingyongxuqiu。

gaiyanjiujiyuzuowufushechuanshumoxingmoniledaliangguangzhaochangjingxiadeguancengfanshelvguangpu,bingjieheduoshengtaidiandaomaitianjianxiaoqushiyanshuju,xitongjiexileyiyouguangpuzhishuduiyelvsuhanliangyuguancengjiegoudeminganxing,chuangjianleshuangzhishuchazhishuxuezuhexingshideduiguancengyemianjizhishubuminganyelvsuzhishulici(leaf area index insensitive chlorophyll index),bingzaicijichushanggoujianlejuyoupushixingdeyepianyelvsuhanlianggaojingdugusuanmoxing。ciwai,zhenduinongtianturangbeijingduizuowushengyuqianqiguancengguangpudeganraowenti,tongguoshijianxulieguancengguangpumonifenxi,tichuleyizhongxindeguangpuguancemoshi—feizhengwuguance,butongyumuqianpubiancaiyongdezhengwuguance,congerkeyouxiaobimiannongtianturangbeijingduiyelvsuhanlianggusuandeyingxiang。yingyongxinxingguangpuzhishulicihefeizhengwuguangpuguancemoshi,dianxingdaomaizuowuyelvsuhanlianggusuanwuchazuidikeda5.01µg/cm2,xianzhudiyuchuantongguangpuzhishu(rumtci)hezhengwuguangpumoshi(gusuanwuchawei11.5 µg/cm2)。gaiyanjiujieshileguancengjiegouheguanceshijian(huotaiyangweizhi)duiyelvsuguangpujiancedeyingxiangjili,weituozhantianjianguangpuceshideshijianchuangkoutigonglezhongyaoyiju,duiyuzuowuyepianyelvsuhanliangdegaotongliangzhinenghuajiancehequanqiudamianjikongjianzhitujuyouzhongyaodeyingyongjiazhi。


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亚博appchuantongguangpuzhishuzhengwuguancejieguo(zuo)hexinxingguangpuzhishufeizhengwuguancejieguo(you)debijiao


gaiyanjiuyouyaboappguojiaxinxinongyegongchengjishuzhongxinyujianadauniversity of torontohezuowancheng,yaboappyaboappboshishenglidongweilunwendiyizuozhe,caoweixinghechengtaojiaoshouweigongtongtongxunzuozhe,university of torontodejing m. chenjiaoshouweihezuozuozhe。julejie,zuowujingqueguanlituanduizaiguojiazhongdianyanfajihuaxiangmu、guojiazirankexuejijin,yijijiangsushengyoushixuekedengpingtaidezizhuxia,jinwunianzairemote sensing of environmentdengfabiaoduopianzuowushengzhangguangpujiancejiliyufangfafangmiandelunwen,zheishiziyepianchiduguangpujiancejilijiexiyanjiuhouzaiguancengchiduqudedeyouyizhongyaochengguo。


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