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Monitoring and Evaluation Method of Seawater Intrusion and Soil Salinization

A seawater intrusion and evaluation method technology, applied in the direction of material impedance, can solve the problems of long test period, electrical properties are easily affected by factors such as temperature and moisture content, time-consuming and labor-intensive, etc.

Active Publication Date: 2019-03-26
THE FIRST INST OF OCEANOGRAPHY SOA
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

These methods have their own advantages and disadvantages. For example, although the direct measurement of chemical parameters is simple and accurate, it is time-consuming and labor-intensive, and the test cycle is long; the electrical measurement method is widely used because of its non-destructive monitoring, continuity and easy access to data It is used in the field of soil salinization monitoring, but because the electrical properties of soil are easily affected by factors such as temperature and moisture content, when using electrical methods for soil monitoring, it is necessary to comprehensively consider the influence of various factors on electrical properties

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  • Monitoring and Evaluation Method of Seawater Intrusion and Soil Salinization
  • Monitoring and Evaluation Method of Seawater Intrusion and Soil Salinization

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Embodiment Construction

[0045] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0046] In this example, in order to accurately evaluate the extent to which the soil salinization problem in the measured area is affected by seawater intrusion factors, the groundwater level and groundwater conductivity of the measured area are fitted based on the McQuarter method + general global optimization algorithm , and combined with the soil conductivity of the measured area, a monitoring and evaluation method for seawater intrusion and soil salinization is proposed to facilitate the comprehensive utilization and management of groundwater resources and land resources.

[0047] In order to obtain the soil parameters and groundwater parameters of the measured area, this embodiment first designs a detection device for detecting soil parameters and groundwater parameters, such as figure 2 As shown, it mainly include...

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Abstract

The invention discloses a monitoring and evaluation method for seawater intrusion and soil salinization. The monitoring and evaluation method comprises the following steps: acquiring soil electric conductivity ECe of a to-be-detected area; acquiring a groundwater level L and groundwater electric conductivity ECw of the to-be-detected area; fitting a relationship of the groundwater level L and the groundwater electric conductivity ECw by using a Marquardt method according to the groundwater level L and the groundwater electric conductivity ECw, and fitting to generate a soil electric conductivity fitted value (shown in the description); selecting N monitoring points from the to-be-detected area, and respectively acquiring the soil electric conductivity ECei and the soil electric conductivity fitted value (shown in the description) of each monitoring point as well as a soil electric conductivity fitted result average value (shown in the description) of the N monitoring points so as to calculate out an evaluation result of seawater intrusion and a soil salinization disaster chain effect. According to the monitoring evaluation method disclosed by the invention, the seawater intrusion degree and the soil salinization degree of the to-be-detected area can be accurately monitored, and the influence degree of the seawater intrusion on soil salinization disaster can be accurately judged, so that the seawater intrusion and a soil salinization grade can be comprehensively evaluated.

Description

technical field [0001] The invention belongs to the technical field of groundwater and soil detection, and in particular relates to a method for judging the influence of seawater intrusion on soil salinization by detecting the degree of seawater intrusion of groundwater and the degree of salinization of soil. Background technique [0002] Due to the impact of human activities such as groundwater exploitation and sea level rise, seawater intrusion has become a common geological disaster in coastal areas around the world. Large-scale seawater intrusion will lead to the occurrence of a series of disaster chains such as the deterioration of groundwater quality and secondary salinization of soil, which in turn seriously restricts the sustainable development of the economy and society. Therefore, the establishment of multi-parameter real-time monitoring technology and evaluation method for seawater intrusion and soil salinization plays an important role in the rational development...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/02
CPCG01N27/02
Inventor 陈广泉付腾飞刘文全苏乔李文栋
Owner THE FIRST INST OF OCEANOGRAPHY SOA
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