高光谱遥感技术在土壤研究应用中的进展

Application Progress of Hyperspectral Remote Sensing Technology in Soil Research

土壤反射光谱的特性和土壤物理性质之间的关系,为遥感技术在土壤中应用奠定了坚实的物理基础。此外,高光谱遥感技术的迅猛发展为快速、高效提取土壤信息提供了科学的技术手段。针对高光谱在土壤中的应用情况,首先对高光谱遥感的发展历程、特点以及优势进行总结阐述,然后分别总结高光谱遥感在土壤有机质、含水量、重金属及土壤质地等方面中的应用现状,并对其研究方法进行总结分析,最后探讨高光谱遥感技术在土壤研究应用中在研究方法和时间、空间尺度上的不足以及今后高光谱遥感在土壤研究中的发展方向。

The relationship between the characteristics of soil reflectance spectra and the physical properties of soil lays a solid foundation for the application of remote sensing technology in soil.In addition,the rapid development of hyperspectral remote sensing technology provides scientific and technological means for extracting soil information quickly and efficiently.In view of the application of hyperspectral in soil,this paper firstly summarized the development history,characteristics and advantages of hyperspectral remote sensing,and then summarized the hyperspectral remote sensing in the fields of soil organic matter,water content,heavy metals and soil texture.The application status and the research methods were summarized.Finally,the shortcomings of the hyperspectral remote sensing technology in the research methods and time and space scales in soil research applications and the future development of hyperspectral remote sensing in soil research were analyzed.