摘要
利用1961—2020年广西91个国家气象观测站逐日气象数据,对甘蔗(Saccharum officinarum L.)苗期(P1)、分蘖期(P2)、茎伸长期(P3)和工艺成熟期(P4)气候资源空间分布特征进行分析,同时采用线性趋势分析方法探讨甘蔗生育期内气候资源对气候变化的响应。结果表明,在空间分布上,平均气温在苗期西高东低,在茎伸长期和工艺成熟期南高北低;日照时数在苗期西高东低,在茎伸长期东高西低,在分蘖期和工艺成熟期南高北低;降水量在苗期和分蘖期东、东北高西南低,在茎伸长期西、西南高东北低,在工艺成熟期桂中地区高、其他区域低。气候变化背景下,甘蔗生育期内平均气温显著上升,在桂北甘蔗工艺成熟期上升最快;日照时数显著下降,在茎伸长期时最明显;降水量在桂东北甘蔗分蘖期呈部分显著上升趋势。
Using daily meteorological data from 91 national meteorological observation stations in Guangxi from 1961 to 2020,the spa⁃tial distribution characteristics of climate resources during sugarcane seedling stage(P1),tillering stage(P2),stem elongation period(P3),and process maturity stage(P4)were analyzed.Linear trend analysis was used to explore the response of climate resources to climate change during the sugarcane growth period.The results indicated that in terms of spatial distribution,the average temperature was higher in the west and lower in the east during the seedling stage,and higher in the south and lower in the north during the stem elongation period and process maturity stage;the sunshine hours were higher in the west and lower in the east during the seedling stage,higher in the east and lower in the west during the stem elongation stage,and higher in the south and lower in the north during the tillering stage and process maturity stage;the precipitation was higher in the east and northeast,and low in the southwest during the seedling and tillering stages,higher in the west and southwest,and lower in the northeast during the stem elongation stage,and higher in the central Guangxi region during the mature stage.Under the background of climate change,the average temperature during the sugarcane its growth period had significantly increased,with the fastest increase occurring during the mature stage of sugarcane production in northern Guangxi.The number of sunshine hours significantly decreased,with the most significant decrease occurring during the stem elongation stage;the precipitation showed a significant upward trend during the tillering period of sugarcane in north⁃eastern Guangxi.
作者
黄维
吴炫柯
赖锡柳
刘蕾
韦剑锋
HUANG Wei;WU Xuan-ke;LAI Xi-liu;LIU Lei;WEI Jian-feng(Liuzhou Meteorological Bureau/Liuzhou Agrometeorological Experimental Station,Liuzhou 545001,Guangxi,China;School of Food and Chemical Engineering,Liuzhou Institute of Technology,Liuzhou 545005,Guangxi,China)
出处
《湖北农业科学》
2023年第6期39-45,共7页
Hubei Agricultural Sciences
基金
国家自然科学基金项目(31860593)
广西自然科学基金项目(2020GXNSFAA159028,2020GXNSFAA297015,2018GXNSFAA281001)
柳州市科技计划项目(2020PAAA0602)。
