Method for hyperspectral inversion of soil erosion based on outdoor rainfall and indoor soil

A soil erosion, hyperspectral technology, used in the measurement of color/spectral properties, sample preparation for testing, sampling, etc.

Pending Publication Date: 2018-04-13
BEIJING NORMAL UNIVERSITY
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  • Description
  • Claims
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Benefits of technology

The present method allows for quicker and more accurate identification of ground water damage by analyzing both indoor or outside rainwater samples from different locations over time. This helps identify areas where there may be significant amounts of water that could cause harm if they were left untreated due to natural causes such as droughts during winter months.

Problems solved by technology

This patents describes how it can be difficult for farmers or researches who want to study their crops without knowing what they're doing right now due to lack of accurate data on these materials being used during production. Current methods involve labor-intensive analysis techniques like scanning electron microscopy but this requires expensive equipment and takes too long time. Therefore there needs better ways to measure soil moistenness remotely from any location where plants grow indoor environments.

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  • Method for hyperspectral inversion of soil erosion based on outdoor rainfall and indoor soil
  • Method for hyperspectral inversion of soil erosion based on outdoor rainfall and indoor soil
  • Method for hyperspectral inversion of soil erosion based on outdoor rainfall and indoor soil

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Embodiment Construction

[0091] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0092] Such as figure 1 Shown, a kind of soil erosion hyperspectral inversion method based on outdoor rainfall and indoor soil of the embodiment of the present invention, described method comprises:

[0093] Step 101: Carry out indoor spectral test and outdoor spectral verification and artificial rainfall erosion test to obtain soil physical and chemical parameter indicators;

[0094] Step 102: Analyzing and screening the physical and chemical parameters of the soil, and establishing a hyperspectral feature spectrum library of single-element soil parameters;

[0095] Step 103: According to the hyperspectral feature spectrum database and combined with the degree of correlation between each soil physical and chemical parameter and soil erodibility in the com

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Abstract

The invention provides a method for hyperspectral inversion of soil erosion based on outdoor rainfall and indoor soil. The method comprises the following steps: performing indoor spectrum test, outdoor spectrum verification and artificial rainfall erosion test to obtain soil physicochemical parameter indexes; analyzing and screening the soil physicochemical parameter indexes to establish a hyperspectral feature spectrum library of single factor soil parameters; and establishing a soil physicochemical parameter-based soil erosion hyperspectral inversion model through combining the correlation degree of all the soil physicochemical parameters and the soil erodibility and a hyperspectral inversion technology thereof according to the hyperspectral feature spectrum library. The hyperspectral spectral library of the single factor soil parameters is established through the indoor spectrum test, outdoor spectral verification and artificial rainfall erosion test in order to quickly, accuratelyand efficiently establish the hyperspectral inversion model of soil erosion.

Description

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Claims

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Application Information

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Owner BEIJING NORMAL UNIVERSITY
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