基于气候指数的安徽省茶叶气候品质评价

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英文篇名：Evaluation of tea climate quality based on climate index in Anhui Province 作者：刘瑞娜 ; 陈金华 ; 曹雯 ; 杨太明 ; 孙秀邦 ; 岳伟 ; 何令星 英文作者：LIU Rui-na;CHEN Jin-hua;CAO Wen;YANG Tai-ming;SUN Xiu-bang;YUE Wei;HE Lin-xing;Anhui Agricultural Meteorological Center/Anhui Engineering Laboratory of Agro-Ecological Big Data;Xuancheng Meteorological Bureau;Qimen Meteorological Bureau; 关键词：茶叶品质 ; 气候指数 ; 气候品质 ; 等级标准 英文关键词：tea quality;;climate index;;climate quality;;grade standard 中文刊名：STXZ 英文刊名：Chinese Journal of Ecology 机构：安徽省农业气象中心/安徽省农业生态大数据工程实验室;宣城市气象局;祁门县气象局; 出版日期：2019-02-15 出版单位：生态学杂志 年：2019 期：v.38;No.307 基金：气象行业专项(GYHY201506018);; 安徽省气象科技发展基金项目(KM201813,AHXJ201707)资助 语种：中文; 页：STXZ201902036 页数：7 CN：02 ISSN：21-1148/Q 分类号：306-312

摘要

基于安徽省茶叶主产区2010—2015年22个气象站逐日气象资料、茶树生育期观测资料和已有的茶叶生理气候阈值,提出了由茶叶品质温度指数、相对湿度指数和日照指数构成的综合气候指数(IC)。应用K-均值聚类分析方法,确定了茶叶气候品质评价等级标准,应用泾县田间试验获取的汀溪兰香茶叶品质数据对评价等级进行验证,并开展了安徽省2015年茶叶气候品质等级量化评价。结果表明:茶叶气候品质评价等级划分为1级(IC≥0.90)、2级(0.75≤IC<0.90)、3级(0.50≤IC<0.75)和4级(IC<0.50)共4个等级。试验数据检验表明,茶叶气候品质评价等级与茶叶生产实际基本一致; 2015年早春茶和春茶气候品质等级为1级,晚春茶气候品质等级为2级,个别站点为3级,夏茶气候品质等级为3级,秋茶气候品质等级为2～3级。研究成果可为优化安徽省茶叶生产布局提供科学依据。
        Based on daily meteorological data and tea growth data of 22 observation stations in Anhui Province from 2010 to 2015 as well as physiological threshold value of tea,we proposed an integrated climate index consisting of temperature index,relative humidity index and sunshine index that affect tea quality. The grade criteria of climate quality of tea were established by Kmeans clustering analysis and verified using chemical indices of Tingxi Lanxiang tea in Jingxian County in 2015. The climate quality of tea was estimated in Anhui Province in 2015 using the grade criteria. Results showed that the grade criteria of tea climate quality could be defined as level 1,level 2,level 3 and level 4 when the climate index was more than 0.90,between 0.75-0.90,between 0.50-0.75,and less than 0.50 respectively. The testing results indicated that the evaluated levels of tea climate quality were consistent with the actual tea quality. The climate quality of early-spring tea and spring tea was at level 1,the climate quality of late-spring tea was at level 2,and some individual sites were at level 3. The climate quality of summer tea was at level 3 and the climate quality of autumn tea was at level 2 or 3. Our results could provide scientific support for optimizing the layout of featured tea production in Anhui.

引文

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