河南省典型样区地表水分布多样性研究  

Analysis of Surface Water Spatial Distribution Diversity for the Case Areas of Henan Province

作　　者：屈永慧[1,2] 张学雷[1,2] 段金龙[1,2] 

机构地区：[1]郑州大学自然资源与生态环境研究所,河南郑州450001 [2]郑州大学水利与环境学院,河南郑州450001

出　　处：《人民黄河》2014年第4期47-49,91,共4页Yellow River

基　　金：国家自然科学基金资助项目(41171177)

摘　　要：选取河南省5个典型样区,将多样性理论与方法应用于水体空间分布特性评价中,探索了各样区地表水空间分布的离散性。利用仙农熵变形公式,结合水体资源分布特点,计算了各样区在不同网格尺度下的水体空间分布多样性指数,并分析了异网格尺度下水体空间分布格局。研究结果表明:豫南、豫东样区地表水体分布比较均匀,豫中、豫西样区的水体分布在空间格局上具有明显不均匀性;不同网格尺度下,水体空间分布多样性指数略有差异;水体比例增量与水体空间分布多样性指数增量之间存在一定正相关关系,水体比例与水体空间分布多样性指数之间也存在正相关关系,即水体比例的增大或减小往往造成水体空间分布格局离散性的增大或减小。To explore the spatial, discreteness of surface water, case spatial, areas from Henan Province were selected to practice the diversity theory and methods for water spatial distribution diversity and discrete characteristics. Based on the modified Shannon entropy formula and combined with the characteristics of water conditions, water spatial distribution diversity index in different grid scales for each research area were then calculated and finally the water distribution pattern of different grid scales were explored by using the recently developed theories and methods of pedodiversity. The results show that the surface water of areas in the east and south are more evenly distributed, but areas in the west and centre unevenly; three different grid scales have different water spatial distribution diversity index and there is a positive correlation ship between water spatial distribution diversity and water portion of the related case area, and between the increment of water spatial distribution diversity and increment of water portion.

关 键 词：空间分布多样性 仙农熵 地表水 网格尺度 

分 类 号：TV211.1[水利工程—水文学及水资源]