Nonlinear partial least square optimizing model-based forest carbon sink remote sensing evaluation method
A partial least squares, optimization model technology, applied in measurement devices, material analysis through optical means, instruments, etc., can solve problems such as errors, inaccurate estimates, and regression analysis that cannot meet basic assumptions
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[0024] The present invention is described in detail below in conjunction with embodiment and with reference to accompanying drawing:
[0025] The specific implementation of each step of the present invention is now described by taking the remote sensing estimation of the carbon storage of the aboveground part of the moso bamboo forest as an example.
[0026] Step 1: Set up survey plots in the research area, observe the biomass in the plots and convert them into carbon stocks, and obtain remote sensing images corresponding to the observation time. The multi-band spectral reflectance of remote sensing images is used as an independent variable, and the carbon storage is used as a dependent variable.
[0027] As for the example of this moso bamboo forest, 55 survey plots of 30m×30m were set up in the research area. The size of the sample plots was equal to the spatial resolution of the Landsat5TM remote sensing image used, and the carbon storage of the moso bamboo forest in the sa...
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