周文佐,刘高焕,潘剑君

• 1:中国科学院资源与环境信息系统国家重点实验室
• 2:中国科学院资源与环境信息系统国家重点实验室
• 3:南京农业大学资源与环境学院 北京 100101 南京农业大学资源与环境学院 南京 210095
• 4:北京 100101

摘要(Abstract)：

土壤有效含水量(AWC)是评价土壤抗旱性、水资源规划和管理以及指导灌溉的重要依据。对土壤AWC进行经验估算,是一种有效方法。文章首先介绍了土壤有效含水量(AWC)的概念、计算方法、经验估算建模的依据及意义,并分析了土壤AWC与土壤其它特征因子如土壤质地、土壤有机质、土壤容重等的相互关系,对国外已有的经验估算的统计模型及其建模思路进行了介绍。其次,运用统计技术,对我国东北黑土土壤AWC进行了经验估算研究并建立相应的估算模型。结果表明,土壤质地组成及有机质含量为与东北黑土AWC有着密切关系的理化参数,运用它们所建立的土壤AWC估算模型是比较简单而且可行的。

关键词(KeyWords)： 土壤;模型;有效含水量(AWC)

Abstract:

Keywords:

基金项目(Foundation): 中国科学院地理科学与资源研究所知识创新项目和中加合作项目资助

作者(Author): 周文佐,刘高焕,潘剑君

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