Method and system for forecasting spatial distribution of heavy metals in soil

A technology of spatial distribution and prediction method, applied in soil material testing, instruments, calculation models, etc., can solve problems such as large differences in interpolation effects, unfavorable popularization and application, and large data correlation, so as to achieve good generalization ability and benefit Promoted app performance

Inactive Publication Date: 2017-08-01
BEIJING RES CENT FOR AGRI STANDARDS & TESTING
View PDF5 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, geostatistical interpolation is based on spatial autocorrelation. Due to the insufficient utilization of auxiliary data and the high correlation with data, the interpolation effect of the same interpolation method in different reg...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and system for forecasting spatial distribution of heavy metals in soil
  • Method and system for forecasting spatial distribution of heavy metals in soil
  • Method and system for forecasting spatial distribution of heavy metals in soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0035] figure 1 A flow chart of a soil heavy metal spatial distribution prediction method provided by an embodiment of the present invention, such as figure 1 As shown, the method includes:

[0036] S11, measuring the soil heavy metal content value of the soil sample at the sampling point.

[0037] Wherein, the sampling points are a certain number of monitoring netwo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The embodiment of the invention provides a method and a system for forecasting the spatial distribution of heavy metals in soil, and relates to the technical field of environmental monitoring. The method comprises the following steps: measuring a content value of heavy metals in soil of a soil sample at a sampling point; constructing a training data set; constructing a GBRT (Gradient Boosting Regression Tree) model by adopting an auxiliary feature and the content of heavy metals in the soil as variables, and training the GBRT model by using the training data set to obtain a trained GBRT model; constructing a data set to be measured; inputting the data set to be measured into the trained GBRT model and outputting a content value of heavy metals in the soil corresponding to a point to be measured. As a GBRT algorithm iteratively integrates characteristics of a number of weak regression devices, and auxiliary features are rationally applied, the method has a good generalization ability and is conducive to popularization and application.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of environmental monitoring, and more specifically, to a method and system for predicting the spatial distribution of soil heavy metals. Background technique [0002] Soil is one of the natural resources that human beings rely on for survival. With the development of intensive agricultural production and the acceleration of urbanization, the problem of soil environmental pollution has become increasingly prominent. Heavy metals enter the soil through sewage irrigation and atmospheric deposition. Soil heavy metals are not easy to degrade and migrate. Not only do they enter the human body through the food chain, endangering human health, but excessive soil heavy metals will further pollute the groundwater environment, the ocean, and even the entire ecosystem. Therefore, how to more accurately grasp the spatial distribution of heavy metals in soil is of great significance for the prev...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01N33/24G06N99/00
CPCG01N33/24G06N20/00
Inventor 罗娜韩平王纪华王卉贾文珅王世芳
Owner BEIJING RES CENT FOR AGRI STANDARDS & TESTING
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap