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基于地统计学的淮北采煤塌陷复垦区土壤特性空间变异研究
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  • 英文篇名:Study on Soil Properties of Huaibei Coal Mining Subsidence Rehabilitation Area Based on Geostatistics
  • 作者:刘晓丽 ; 窦莉 ; 张育荣 ; 宇晓凌 ; 孙涛
  • 英文作者:LIU Xiaoli;DOU Li;ZHANG Yurong;YU Xiaoling;SUN Tao;School of Life Science,Huaibei Normal University;Information College,Huaibei Normal University;
  • 关键词:采煤塌陷区 ; 土壤特性 ; 半方差函数 ; Kriging插值
  • 英文关键词:coal mining subsidence area;;soil properties;;semivariance function;;Kriging interpolation
  • 中文刊名:淮北师范大学学报(自然科学版)
  • 英文刊名:Journal of Huaibei Normal University(Natural Sciences)
  • 机构:淮北师范大学生命科学学院;淮北师范大学信息学院;
  • 出版日期:2019-09-10
  • 出版单位:淮北师范大学学报(自然科学版)
  • 年:2019
  • 期:03
  • 基金:国家自然科学基金项目(31872413);; 安徽省自然科学基金项目(1708085MC60);; 安徽省高校优秀青年人才支持计划重点项目(gxyqZD2017054)
  • 语种:中文;
  • 页:47-51
  • 页数:5
  • CN:34-1316/N
  • ISSN:2095-0691
  • 分类号:TD88;X144
摘要
以淮北市典型采煤塌陷复垦区的土壤为研究对象,运用传统统计学和地统计学方法对土壤电导率、土壤盐分、土壤温度和土壤含水率的空间变异规律进行调查与分析.结果表明:在采煤塌陷复垦区,土壤盐度与含水率呈极显著正相关,相关系数高达0.837;土壤含水率、土壤盐度与土壤电导率呈极显著正相关.半方差检验结果表明,土壤电导率、土壤盐度和土壤含水率由随机因子引起的空间异质性与由结构因子引起的空间异质性占比相等,而土壤温度的空间异质性主要是由随机因素引起的.
        The study was carried out in the East Lake in Huaibei city.Soil water content,soil electrical conductivity,soil temperature and soil salinity were investigated and analyzed.Traditional statistical and geostatistical were applied to analyze the spatial distribution pattern of reclaimed soil in coal mining subsidence area.The results indicated that soil salinity and water content were significantly positively correlated,and the correlation coefficient was as high as 0.837 in the coal mining subsidence reclamation area,soil water content,soil salinity and soil electrical conductivity were significantly positively correlated.Semivariogram analysis results showed that the spatial heterogeneity of soil electrical conductivity,soil salinity and soil water content caused by random factors was equal to those caused by structural factors,while the spatial heterogeneity of soil temperature was mainly caused by random factors.
引文
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