[1]顾成军,史学正,于东升.结合土地利用与克里格插值的区域土壤有机碳空间表征方法[J].水土保持研究,2014,21(02):39-42,46.
　GU Cheng-jun,SHI Xue-zheng,YU Dong-sheng.Indicating Method on Spatial Distribution of Regional Soil Organic Carbon by Combining Land Use and Kriging[J].Research of Soil and Water Conservation,2014,21(02):39-42,46.
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结合土地利用与克里格插值的区域土壤有机碳空间表征方法

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年02期 页码: 39-42,46 栏目: 出版日期: 2014-04-28
Title:
Indicating Method on Spatial Distribution of Regional Soil Organic Carbon by Combining Land Use and Kriging
作者:
顾成军1,2,3, 史学正1, 于东升1
1. 土壤与农业可持续发展国家重点实验室, 中国科学院南京土壤研究所, 南京 210008;
2. 中国科学院大学, 北京 100049;
3. 滁州学院 地理信息与旅游学院, 安徽 滁州 239000
Author(s):
GU Cheng-jun1,2,3, SHI Xue-zheng1, YU Dong-sheng1
1. State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;
2. University of the Chinese Academy of Sciences, Beijing 100049, China;
3. Geographic Information and Tourism College, Chuzhou University, Chuzhou 239000, China
关键词:
土地利用; 土壤有机碳; 克里格插值; 空间分布
Keywords:
land use; soil organic carbon; Kriging; spatial distribution
分类号:
S153.6
摘要:
如何利用有限的土壤采样点准确预测土壤属性一直是研究的热点。基于河北省全国第二次土壤普查数据，运用方差分析研究了使用土地利用和克里格插值来表征区域表层土壤有机碳空间分布的可行性。结果表明：土地利用是表层土壤有机碳密度空间分异的一个影响因子，可以直接使用土地利用来反映表层土壤有机碳密度在空间上的分布和变化。但单一的土地利用对土壤有机碳密度空间分异的反映能力还不是很高，而土地利用与普通克里格插值结合以后能显著地提高对土壤有机碳空间分异的解释水平。因此区域空间上可以将土地利用与普通克里格插值结合来表征表层土壤有机碳密度的空间分布。
Abstract:
How to use limited soil samplings to predicate an accurate spatial distribution of soil properties is always a hot issue. Method of using land use and Kriging to indicate soil organic carbon spatial distribution was explored by variance analysis with the data of Hebei Province of the Second National Soil Survey. The results showed that land use was a factor impacting soil organic carbon spatial variation and could be used to reflect the spatial distribution of soil organic carbon. But the independent reflecting ability of land use to variation of SOC density in the surface was not very high, land use and ordinary Kriging interpolation in combination could significantly increase explanatory strength of SOC spatial variation. Therefore, Kriging interpolation could be combined with land use to indicate the spatial distribution of regional soil organic carbon in the topsoil.

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备注/Memo

收稿日期:2013-08-07;改回日期:2013-08-27。
基金项目:中国科学院战略性先导科技专项项日（XDAO5050509）；国家重点基础研究发展规划（973计划）项目（2010CB950702）
作者简介:顾成军(1978-),男,安徽滁州人,博士研究生,研究方向:土壤资源与遥感信息。E-mail:lacjg@163.com
通讯作者:史学正(1959-),男,浙江嵊县人,博士,研究员,研究方向:土壤资源数字化管理。E-mail:xzshi@issas.ac.cn

更新日期/Last Update: 1900-01-01