Water pollution diffusion warning visualization method

A technology for water pollution and water quality monitoring

Active Publication Date: 2017-11-28
XIAN JIAOTONG LIVERPOOL UNIV
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Problems solved by technology

[0004] In view of the shortcomings of visualization technology in real-time display of pollution diffusion dynamics and prediction of polluti

Method used

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0027] Such as figure 1 As shown, a visualization method for early warning of water pollution diffusion, including the following steps:

[0028] (1) Use second-order and third-order Bezier curves to draw water quality monitoring data curves.

[0029] The second-order Bezier curve formula is as follows:

[0030] B(t)=(1-t) 2 P 0 +2t(1-t)P 1 +t 2 P 2 ,t∈[0,1] (1)

[0031] Among them, P0 is the starting point, P2 is...

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Abstract

The invention discloses a water pollution diffusion warning visualization method, comprising: drawing a curve graph of water monitoring data over time; modeling for a target water area; combining an electronic map with a river network modeling process; calculating pollutant degradation coefficient via a series reactor water quality model, monitoring spot positional information and real-time monitoring data; if abnormal data are monitored, determining a current pollution level and a corresponding warning color according to the pollutant concentration, calculating a gradient array between the current warning color and a normal water color, calculating a pollution diffusion distance via the water quality model, and traversing and retrieving, in conjunction with pollution source position and the acquired pollution diffusion distance, a pollution diffusion zone range from a target water area model, gradiently coloring a retrieved pollution diffusion path via the gradient array, and simulating to demonstrate a migration and degradation process of pollutants in a river. The method of the invention has the advantages that a water monitoring network can be visually modeled and the tendency of pollution diffusion can be predicted in real time.

Description

technical field [0001] The invention belongs to the technical field of water quality monitoring, and in particular relates to a visualization method for early warning of water quality pollution diffusion, which can visualize and display the dynamics of pollution diffusion in real time and predict the trend of pollution diffusion. Background technique [0002] With the acceleration of my country's industrialization and urbanization, my country's water environment pollution has become more prominent, and sudden water pollution accidents have occurred frequently. Through real-time monitoring of river water quality, water pollution status can be effectively assessed and pollution sources can be found in time to achieve timely monitoring, risk resolution, and loss reduction. During the Eleventh and Twelfth Five-Year Plans, governments at all levels invested a lot of money in building a water quality monitoring system, which realized functions such as water quality data collection...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/20Y02A20/152
Inventor 岳勇朱晓辉刘婉贾露喻纪文胡兆鹏
Owner XIAN JIAOTONG LIVERPOOL UNIV
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