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A Soil Salinization Interpretation Method Based on Multi-source Data Coupling

A multi-source data and soil technology, applied in the field of soil salinization interpretation and assessment, can solve the problems of non-reproducibility, high cost and labor, and achieve the effect of improving work efficiency, simplifying sampling operations, and reducing operating costs.

Active Publication Date: 2019-12-13
INST OF SOIL SCI CHINESE ACAD OF SCI +2
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Problems solved by technology

Spatial discrete distribution data is the basis for studying the variation of three-dimensional soil properties. However, traditional invasive sampling methods such as excavation, soil drilling, and penetrometers must first collect samples and then conduct indoor experimental analysis, which is time-consuming, laborious, and expensive. High and non-reproducible, these unfavorable factors make this method can only collect limited soil samples

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  • A Soil Salinization Interpretation Method Based on Multi-source Data Coupling
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  • A Soil Salinization Interpretation Method Based on Multi-source Data Coupling

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Embodiment Construction

[0033] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] like figure 1 As shown, the present invention designs a soil salinization interpretation method based on multi-source data coupling. The soil salinization interpretation method based on multi-source data coupling is used to realize three-dimensional soil salinity status analysis for soil research areas. Translation; the actual application process includes the following steps:

[0035] Step 1. Obtain the remote sensing image corresponding to the soil research area, use the electromagnetic induction earth conductivity meter to measure the soil research area, and obtain the apparent soil conductivity of the soil research area, based on the measurement point of the apparent soil conductivity, for the soil The representative locations in the research area were surveyed and sampled to obtain the soil salinity survey co...

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Abstract

The invention relates to a soil salinization interpretation method based on multisource data coupling. According to the method, brand-new logic design is adopted, three-dimensional soil salinity condition interpretation is realized through coupling of apparent soil electric conductivity, remote sensing images and soil salinity surveyed content. Through he method, defects in the prior art are overcome, sampling operation is simplified, and operation cost is lowered; during practical application, the assessment precision of soil salinization is effectively improved, and working efficiency is greatly improved.

Description

technical field [0001] The invention relates to a soil salinization interpretation method based on multi-source data coupling, and belongs to the technical field of soil salinization interpretation and evaluation. Background technique [0002] At present, two technologies are mainly used in the evaluation of regional soil salinization at home and abroad. One is the measurement of electromagnetic induction (EM) conductivity meter to obtain the apparent conductivity of the soil, and the other is the interpretation method of remote sensing images. The rapid measurement technology of electromagnetic induction soil apparent conductivity is one of the most accurate and efficient methods for collecting profile soil information because it does not require electrode insertion and the measurement speed is fast. Li et al. (2016) used the EM38 geodetic conductivity meter and a linear prediction model to obtain the characteristic conductivity of the profile soil, and used this as a data ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50G06T17/05
CPCG06F30/20G06T17/05
Inventor 刘广明苏里坦姜艳吴亚坤
Owner INST OF SOIL SCI CHINESE ACAD OF SCI