【摘要】 以黑龙江省13个市(地)的干旱灾害为研究对象,从降水、水资源、植被、水土保持等14个指标中,运用主成分分析方法选取主要因子,进行数量化聚类统计分区,综合分析各区干旱灾害的主要影响因素和空间差异性,因地制宜地提出了综合抗旱,持续抗旱策略,为政府部门制定抗旱方案,进行宏观决策提供依据。更多还原

【Abstract】 Based on the drought disasters of 13 cities in Heilongjiang Province,from 14 targets,such as rainfall,water resources,vegetation,soil and water conservation,selecting main factor by using principal components analysis method to regionalize quantitatively.Through comprehensively analyzing the main factor of drought in areas and spatial differences,the strategy of comprehensive anti-drought is put forward which provides basis for departments of decision-making to make out anti-drought scheme.更多还原