|本期目录/Table of Contents|

[1]如则麦麦提·米吉提,买买提·沙吾提,麦尔耶姆·亚森,等.基于高光谱的干旱区盐渍化土壤盐分含量估算[J].江苏农业科学,2018,46(22):265-269.
 Ruzimamat Mijit,et al.Estimation of salt content in salinity soil of arid areas based on hyperspectral data[J].Jiangsu Agricultural Sciences,2018,46(22):265-269.
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第22期
页码:
265-269
栏目:
资源与环境
出版日期:
2018-12-01

文章信息/Info

Title:
Estimation of salt content in salinity soil of arid areas based on hyperspectral data
作者:
如则麦麦提·米吉提 买买提·沙吾提 麦尔耶姆·亚森 马春玥
新疆大学资源与环境科学学院/新疆大学绿洲生态教育部重点实验室,新疆乌鲁木齐 830046
Author(s):
Ruzimamat Mijitet al
关键词:
土壤盐渍化高光谱光谱分析定量模型
Keywords:
-
分类号:
S127
DOI:
-
文献标志码:
A
摘要:
针对目前干旱半干旱区存在的土壤盐渍化问题,以新疆维吾尔自治区渭干河-库车河三角洲绿洲为研究区,对土壤样品总盐含量及其光谱反射率进行测量。经过15种数学变换,遴选出达到0.01显著性检验的变换形式,利用偏最小二乘回归、主成分回归和多元逐步线性回归方法建立土壤盐分的估算模型。结果表明,(1)多种光谱数据变换形式中,以微分为基础的变换方法具有很好的效果;(2)基于多元逐步线性回归的立方根一阶微分光谱特征波段所构建的模型最优,模型的稳定性和预测精度最高,R2=0.85,RMSEc=1.8 g/kg,RPD=2.36。本研究所建立的模型将为估算土壤盐渍化提供理论依据。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2017-07-27
基金项目:国家自然科学基金(编号:41361016)。
作者简介:如则麦麦提·米吉提(1986—),男,维吾尔族,新疆喀什人,硕士,主要研究方向为土壤盐渍化。E-mail:ruzi_mamat@163.com。
通信作者:买买提·沙吾提,博士,副教授,硕士生导师,主要研究方向为地图学与地理信息系统。E-mail:korxat@xju.edu.cn。
更新日期/Last Update: 2018-11-20