Space-time refined soil organic matter content remote sensing dynamic inversion method
A technology with organic matter content and refinement, applied in the field of remote sensing, can solve the problems of fewer bands, single band information, and the inability to weaken the interference of environmental background spectrum, and achieve the effect of improving spatio-temporal fineness and spectral resolution
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[0059] This embodiment is based on figure 1 The shown soil TOC content inversion method in a research area of Donghai County is taken as an example to specifically illustrate the specific implementation of the remote sensing monitoring method of the present invention.
[0060] In this embodiment, the quantitative inversion of soil organic matter content is based on fusion of remote sensing image data. The implementation method is as follows: Based on Gram-Schmidt (GS) fusion at the same time, Sentinel-2's high spatial resolution information and Sentinel-3's rich spectral information basis Above, combined with the two phases of measured soil TOC content data in Donghai County, 92 points of which are modeled, and the reflectivity data of the sampling points extracted from the fusion image are used to calculate the six vegetation indices (NDVI, RVI, DVI, OSAVI, RDVI, EVI), select the RVI with the highest correlation with TOC and the 20th band with better correlat...
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