|本期目录/Table of Contents|

[1]李小曼,徐梦洁,刘勤,等.小尺度区域重金属含量空间插值方法比较——以Hg元素为例[J].江苏农业科学,2015,43(12):426-430.
 Li Xiaoman,et al.Comparative study on spatial interpolation methods for detection of heavy metal contents in small regional scale—Taking Hg element as an example[J].Jiangsu Agricultural Sciences,2015,43(12):426-430.
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小尺度区域重金属含量空间插值方法比较
——以Hg元素为例
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第43卷
期数:
2015年第12期
页码:
426-430
栏目:
资源与环境
出版日期:
2015-12-25

文章信息/Info

Title:
Comparative study on spatial interpolation methods for detection of heavy metal contents in small regional scale—Taking Hg element as an example
作者:
李小曼12 徐梦洁1刘勤2 庄舜尧2
1.南京农业大学公共管理学院,江苏南京 210095;2.中国科学院南京土壤研究所,江苏南京 210008
Author(s):
Li Xiaomanet al
关键词:
小尺度土壤重金属Hg元素空间插值精度评价
Keywords:
-
分类号:
X144
DOI:
-
文献标志码:
A
摘要:
以江苏省常熟市杨园集镇为例,在小尺度下探讨了普通克里金法(OK)、反距离权重法(IDW)、局部多项式法(LP)、径向基函数法(RBF)、克里金法6种模型的插值精度、效果以及对土壤Hg含量污染空间分布模拟结果的影响。结果表明:各种插值方法的精度、效果各异。其中,RBF的MQ方法充分合理地反映了整体趋势、局部趋势,平滑性好,生成图像逼真,插值误差较低,因此为最优模型。克里金插值方法精度较高,并能反映变化的方向、主导因素。其中,OK方法中去除二次趋势的JB模型效果也较好,能较强地反映随机性因素,但反映各向异性的能力较弱。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2015-02-03
基金项目:国家科技支撑计划(编号:2012BAJ24B06) 。
作者简介:李小曼(1990—),硕士研究生,从事土壤信息系统、土地信息系统研究。E-mail:xiaoman421@foxmail.com。
通信作者:徐梦洁,副教授,硕士生导师,从事区域经济与可持续发展、地理信息系统研究。Tel:(025)84395700。E-mail:xmj@njau.edu.cn。
更新日期/Last Update: 2015-12-25