贵州省水稻抽穗灌浆期低温冷害和高温热害时空变化  

Temporal and spatial variation of cold and heat disasters at rice heading-filling stage in Guizhou Province

作　　者：韩会庆 张朝琼[2] 白玉梅 张新鼎 徐磊 周昌礼 HAN Huiqing;ZHANG Chaoqiong;BAI Yumei;ZHANG Xinding;XU Lei;ZHOU Changli(College of Architecture and Urban Planning, Guizhou Institute of Technology, Guiyang 550003,China;College of Geography and Environmental Sciences, Guizhou Normal University, Guiyang 550001,China)

机构地区：[1]贵州理工学院建筑与城市规划学院,贵州贵阳550003 [2]贵州师范大学地理与环境科学学院,贵州贵阳550001

出　　处：《河南农业大学学报》2018年第6期880-889,917,共11页Journal of Henan Agricultural University

基　　金：贵州省教育厅青年科技人才成长项目(黔教合KY字[2017]217);贵州理工学院学术新苗培养及探索创新项目(黔科合平台人才[2017]5789-23)

摘　　要：利用贵州省1961—2017年逐日气温观测资料,分析了气候变化背景下贵州省水稻抽穗灌浆期低温冷害和高温热害时空变化特征。结果表明:57 a间,水稻低温冷害发生频次和站次比分别呈现下降和增加趋势。发生频率空间格局基本呈现中西部较高,东部较低的特点。低温冷害变化存在2个时间尺度周期震荡,21 a是变化主周期。高温热害发生频次和站次比均呈现增加趋势。全省东部是高温热害发生频率高值区。高温热害变化存在2个时间尺度周期震荡,10 a是变化主周期。The temporal and spatial variation characteristics of cold and heat disasters at rice heading-filling stage in Guizhou Province against the background of climate change were analyzed based on the daily temperature observation data from1961to2017in Guizhou Province.The results showed that occurrence frequency and station ratio of rice cold disasters showed a decreasing and increasing trend respectively in the past57years.The spatial pattern of occurrence frequency of cold disasters was basically higher in the central and western regions and lower in the eastern regions.There were two time scale periodic oscillations for cold disasters change,and21a was the main cycle for cold disaster change.The occurrence frequency and station ratio of rice heat disasters showed an increasing trend in the past57years.The eastern part of the province was a high-value area with high frequency of heat disasters.There were two time scale periodic oscillations for heat disasters change,and10a was the main cycle for heat disaster change.

关 键 词：水稻 抽穗灌浆期 低温冷害 高温热害 贵州省 

分 类 号：S166[农业科学—农业气象学]