|本期目录/Table of Contents|

[1]于芳,李海明.基于地统计学和GIS的湖北省土壤有机质空间变异性研究[J].江苏农业科学,2019,47(15):282-286.
 Yu Fang,et al.Study on spatial variability of soil organic matter in Hubei Province based on geostatistics and GIS[J].Jiangsu Agricultural Sciences,2019,47(15):282-286.
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基于地统计学和GIS的湖北省土壤
有机质空间变异性研究
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第15期
页码:
282-286
栏目:
资源与环境
出版日期:
2019-09-03

文章信息/Info

Title:
Study on spatial variability of soil organic matter in Hubei Province based on geostatistics and GIS
作者:
于芳 李海明
天津科技大学海洋与环境学院,天津 300222
Author(s):
Yu Fanget al
关键词:
土壤有机质地统计学空间变异影响因素
Keywords:
-
分类号:
S127;S153.6+21
DOI:
-
文献标志码:
A
摘要:
基于湖北省157个土壤样品数据,分析土壤有机质含量特征,并应用地统计学和地理信息系统(GIS)技术研究其空间变异性,利用相关分析和回归分析探讨其变异性的影响因素。结果表明,湖北省土壤有机质含量为 (23.04±6.39) g/kg,变异系数达27.73%,属中等程度变异;土壤有机质以高斯模型拟合最佳,块金比为0.33,呈中等程度空间自相关性,表明以结构变异为主。研究区土壤有机质含量总体上呈条带状分布,由鄂中向鄂西和鄂东增加,其中东西方向上变异性高于南北方向。研究区土壤有机质含量空间变异是地形、化学养分指标、土地利用类型、土壤质地等因素综合作用的结果,其中海拔、土壤质地分别解释了41.5%、22.1%的变异信息,是其主控因素。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2018-03-10
基金项目:国家重点基础研究发展规划(编号:2015CB452701)。
作者简介:于芳(1993—),女,天津人,硕士,主要从事资源环境监测研究。E-mail:307336877@qq。com。
通信作者:李海明,博士,教授,主要从事资源环境与地下水系统模拟研究。E-mail:lhm@tust.edu.cn。
更新日期/Last Update: 2019-08-05