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| Application and development of hyperspectral remote sensing technology to determine the heavy metal content in soil |
| Received:August 11, 2020 |
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| KeyWord:hyperspectral remote sensing technology;soil;heavy metals;inversely calculate;near-earth sensing hyperspectral remote sensing;low altitude hyperspectral remote sensing;high altitude hyperspectral remote sensing |
| Author Name | Affiliation | E-mail | | LIU Yan-ping | College of Urban and Environmental Sciences, Peking University, Beijing 100871, China | | | LUO Qing | College of Urban and Environmental Sciences, Peking University, Beijing 100871, China | | | CHENG He-fa | College of Urban and Environmental Sciences, Peking University, Beijing 100871, China | hefac@pku.edu.cn |
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| Abstract: |
| Using hyperspectral remote sensing technology to inversely calculate the content of heavy metals in soil is more convenient and efficient than traditional methods. Hyperspectral remote sensing technology has a greater advantage as it can be used in large-scale in-situ monitoring. This paper reviews the research on the application of hyperspectral remote sensing technology to determining the heavy metal content in soils; explain its technical principles, development, and application to this task; and highlights the research trends and hotspots in this field. This paper summarizes the characteristic bands of the spectral responses of some heavy metal elements in soil and the soil components that are highly correlated with heavy metal elements. This paper also explains the technical characteristics and process of development of using hyperspectral remote sensing technology to determine the heavy metal content in soil in terms of near-ground, highaltitude, and low-altitude hyperspectral remote sensing. Finally, it discusses prospects for the future development of and research directions in hyperspectral remote sensing technology in addition to the trend in development of hyperspectral remote sensing technology to determine the heavy metal content of soils. |
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