SHA Jinming,CHEN Pengcheng,CHEN Songlin.Characteristics Analysis of Soil Spectrum Response Resulted From Organic Material[J].Research of Soil and Water Conservation,2003,10(02):21-24,54.
土壤有机质光谱响应特性研究
- Title:
- Characteristics Analysis of Soil Spectrum Response Resulted From Organic Material
- Keywords:
- soil spectrum; organic material of soil; organic charcoal of soil; characteristic absorption; spectrum response
- 分类号:
- S153.621
- 摘要:
- 土壤有机质光谱响应特性研究是光学遥感定量化的基础性研究.研究利用VF991地物光谱测量仪对八个不同环境条件下形成的土壤样本剖面上的各个土层进行光谱测量,得到各个土层的反射率光谱曲线,并测出各个土层的有机质含量.通过研究土壤的有机质含量与土壤反射光谱间的相关性分析,发现有机质含量与土壤光谱在紫外区的376.795nm波段、可见光区的616.506nm波段和近红外区的724.0975nm波段附近有较好的负相关性
- Abstract:
- This study presents a characteristics analysis to the response of soil spectrum result from organic material.Eight kinds of soil samples were collected including variations in conditions.The reflectivity spectral line of each soil layer in soil samples were measured with the VF991 Ground-body Spectrograph in the 372.1 nm～1059.75 nm range with approximately 1.35nm,and the content of organic material of each soil layer were measured using Qiu ling technique.The study for soil spectrum and spectral characteristics is one of important basic methods in quantitative remote sensing.Spectrum data and the content of organic material are firstly analyzed using different techniques,and in the end the relationship was studied between the content of organic material and soil spectrum.Result shows that the content of organic material is strongly correlative with absorption features of soil spectrum in ultraviolet wave band(around 376.795 nm),visible radiation wave band(around 616.506 nm),and infra red wave band(around 724.0975 nm).
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备注/Memo
收稿日期:2002-10-9
基金项目:科技部国际科技合作项目"生态环境的遥感监测及规划建设"福建省教育厅项目"区域生态环境脆弱性遥感定量分析的研究"成都理工大学信息学资助
作者简介:沙晋明(1964- ),男,成都理工大学信息学资助,广东梅州人,研究生导师,博士,从事资源遥感及信息技术.