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当前位置: 首页 > 文章 > 茶树生长季内云雾变化特征及可能影响 中国农学通报 2015,31 (9) 139-146
Position: Home > Articles > Variation Characteristics and Possible Effect of Cloud and Fog in Growth Period of Tea Plants Chinese Agricultural Science Bulletin 2015,31 (9) 139-146

茶树生长季内云雾变化特征及可能影响

作  者：
李勇;古书鸿;易俊莲;左晋
单  位：
贵州省山地环境气候研究所
关键词：
茶树;气候变化;总云量;雾日数
摘  要：
为合理利用贵州省茶树气候资源,提高茶树气候资源利用率,合理布局茶产业,促进贵州茶叶快速持续发展,笔者基于气候变暖背景下贵州省茶树生长季内农业气候资源发生了明显变化和云雾是影响茶叶品质的关键气象因子这一科学事实,利用贵州省1961—2010年81个气象台站的地面观测资料,对贵州省不同茶季(春、夏、秋)内云雾的时空变化特征进行分析。结果表明:研究区域春茶季总云量与雾日数百分比的分布特征均表现为由东南向西北减少,夏茶季总云量呈由东南向西北增加,而秋茶季总云量呈由西北向东南递减的趋势;夏茶季总云量最大,其次分别为春茶季和秋茶季,三者的地区间差异均较小;1961—2010年,春、夏、秋茶季总云量均呈减少趋势,减幅最大的是秋茶季(-1.1%/10 a),其次分别为夏茶季(-0.5%/10 a)和春茶季(-0.17%/10 a)。秋茶季雾日数百分比最大,其次分别为春茶季和夏茶季,三者的地区间差异均较大;1961—2010年,春、夏和秋茶季雾日数百分比均呈增加趋势,三者的气候倾向率分别为5.1%/10 a、6.9%/10 a和7.2%/10 a。研究区域茶树生长季内总云量的减少和雾日数的增加,将对贵州省茶树的品种选择、结构调整、茶叶产量和品质等产生相应的影响。
译  名：
Variation Characteristics and Possible Effect of Cloud and Fog in Growth Period of Tea Plants
作  者：
Li Yong;Gu Shuhong;Yi Junlian;Zuo Jin;Guizhou Institute of Mountainous Environment and Climate;
关键词：
tea plants;;climate change;;total cloud;;fog days
摘  要：
The paper aims to appropriately use tea climate resources and improve its utilization rate,reasonably layout tea industry and accelerate its sustainable development in Guizhou. Based on the scientificfact that climate resources and agricultural climate resources change significantly and cloud and fog are thekey meteorological factors influencing the quality of tea during tea growing period under the background ofclimate warming, the temporal and spatial variation of cloud and fog during different tea growing periods(spring, summer, autumn) were analyzed by using the ground observation data from 81 meteorological stationsfrom 1961 to 2010 in Guizhou Province. The results indicated that, the distribution of total cloud amount andpercentage of the number of fog days in the study area showed a reducing trend from southeast to northwestduring spring tea period, the total cloud amount increased from the southeast to the northwest during summertea period, while the total cloud amount during autumn tea period decreased from the northwest to southeast;the total cloud amount in summer tea period accounted for the most in tea growing period, followed by springtea and autumn tea, and the differences among the regions were generally slight in these three periods; theaverage of total cloud amount in spring, summer and autumn period all showed a decreasing trend form 1961 to2010, the biggest decrease period was in autumn tea period(-1.1%/10 a), followed by the summer tea period(-0.5%/10 a) and spring tea period(-0.17%/10 a). The largest percentage of the number of fog days was inautumn tea period, followed by spring and summer tea period, and the regional differences were significant inthese three periods. The percentage of the number of fog days showed an increasing trend for spring tea,summer tea, autumn tea, and winter tea, the climate trend rate was 5.1%/10 a, 6.9%/10 a and 7.2%/10 a,respectively. Study on the decrease of total cloud amount and the increase of the fog days during tea growingperiod in the study area will have a corresponding impact on variety screening, structural adjustment, as well asthe tea yield and quality etc.

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