基于GIS的广西香蕉低温寒害区划研究Analysis of cold damage on banana in Guangxi based on GIS
何燕;李政;谭宗琨;丁美花;欧钊荣;匡昭敏;杨鑫;
摘要(Abstract):
低温寒害是影响香蕉生产的主要气象因子,为了更好地了解香蕉低温寒害的特征及规律,并为广西香蕉生产的优化布局提供科学依据。根据香蕉生长状况、受害程度与低温寒害强度关系,分析确定香蕉寒害等级指标;利用广西90个气象台站30a的气候资料和台站地理信息数据等材料,采用GIS技术和数理统计回归分析以及气候资源的小网格推算方法,建立寒害指标的空间分析模型,推算出1km×1km分辨率的寒害指标空间分布;并根据香蕉寒害分级指标,通过GIS的空间分析能力,分析广西香蕉低温寒害的空间分布情况,得出广西无寒害和轻度、中度、严重寒害等4个区域的分区结果,并对分区结果进行分析和建议。
关键词(KeyWords): 香蕉;GIS技术;寒害;广西
基金项目(Foundation): 国家863计划(2001AA115360)项目;; “十一五”国家科技支撑计划重点项目(2006BAD04B03);; 中国气象局新技术推广项目(CMATG2007M21)
作者(Author): 何燕;李政;谭宗琨;丁美花;欧钊荣;匡昭敏;杨鑫;
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参考文献(References):
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