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Early warning method for burst pollution of source water through aquatic organism behavior image extraction

A technology for aquatic organisms and sudden pollution, which is used in testing water, alarms, general water supply conservation, etc. The effect of high sensitivity and fast response

Inactive Publication Date: 2012-02-01
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, low-level organisms such as water fleas and luminescent bacteria give early warning because of their sensitivity and high false alarm rate.
From the perspective of operation effect, the background noise of its behavior is large, and the behavior fluctuation within a long time span further reduces the reliability of this type of monitor

Method used

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  • Early warning method for burst pollution of source water through aquatic organism behavior image extraction
  • Early warning method for burst pollution of source water through aquatic organism behavior image extraction
  • Early warning method for burst pollution of source water through aquatic organism behavior image extraction

Examples

Experimental program
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Effect test

experiment example 1

[0035] Behavioral changes of zebrafish exposed to different concentrations of hexavalent chromium, monitoring devices such as figure 1 As shown, the effective volume of the monitoring container 5 is 18L, the size is 60cm×30cm×10cm, the monitoring range is 40cm×27cm, and the flow rate of raw water entering is 50-60L / h. The number of zebrafish is 5, and the body length is between 2.7-3cm.

[0036] In order to verify the impact of sudden water pollution on the behavioral indicators of aquatic organisms, Cr 6+ The solution is used as the monitored water body, and the tested aquatic organisms are zebrafish. Water quality change monitoring adopts 48-hour monitoring cycle. The above-mentioned water body is tap water with aeration for 48 hours, the influent flow rate is 50-60L / h, and the temperature is kept at about 20°C. Before the venom entered the monitoring device, the zebrafish underwent a 24-hour period of adaptation, and then began to pass through the water with different co...

experiment example 2

[0040] Different concentrations of Zn 2+ Behavioral changes in zebrafish following solution exposure, monitored with devices such as figure 1 As shown, the effective volume of the monitoring container 5 is 18L, the size is 60cm×30cm×10cm, the monitoring range is 40cm×27cm, and the flow rate of raw water entering is 50-60L / h. The number of zebrafish is 8, and the body length is between 2.7-3cm.

[0041] In this example, Zn with a concentration of 6mg / L, 9mg / L, and 12mg / L was used. 2+ The solution was exposed to water, and the test organism was zebrafish. Water quality change monitoring adopts 48-hour monitoring cycle. The above-mentioned water body is tap water with aeration for 48 hours, the influent flow rate is 50-60L / h, and the temperature is kept at about 20°C. Before the venom entered the monitoring device, the zebrafish underwent a 24-hour period of adaptation, and then began to pass through the water with different concentrations of pollutants.

[0042] Monitoring ...

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Abstract

The invention discloses an early warning method for burst pollution of source water through aquatic organism behavior image extraction, which comprises the following steps of: ensuring that raw water to be monitored continuously passes through a monitoring container with an indicating organism by using a pump, continuously and automatically monitoring the behavior of an aquatic organism in the monitoring container by using a charge coupled device (CCD) camera, acquiring and storing an activity state data sequence of the aquatic organism with time by combining an image identification system and using a computer, processing to obtain related parameters such as an activity state average activity speed, an average activity height, an average interval, average turn times and the like of the aquatic organism, establishing a corresponding database, and comprehensively comparing behavior change data under the condition of different polluted water quality with behavior data under the blank condition to realize accurate and real-time early warning. The acquired data can be transmitted, stored and analyzed in real time, an alarm is automatically given by a communication device, and the method has the characteristics of quick response, high sensitivity and real-time, on-line and in-situ early warning.

Description

technical field [0001] The invention relates to water source pollution monitoring, in particular to an early warning method for water source water sudden pollution by using aquatic biological behavior image extraction. Background technique [0002] Any potential pollution source in the upstream of the water source water basin may lead to sudden pollution accidents of water source water quality, and these sudden pollution accidents have the characteristics of unpredictable occurrence time, short duration, uncertain pollutants, and high pollutant concentration. It may quickly cause damage to the ecological environment in urban water sources and significant losses to the water supply system in a short period of time, and may further trigger more serious urban safety issues. Improper handling will also cause far-reaching sequelae. Therefore, research on rapid assessment and early warning methods for sudden pollution incidents in water sources, as well as research on emergency te...

Claims

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Application Information

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IPC IPC(8): G08B21/12G01N33/18
CPCY02A20/20
Inventor 周勤苏彩燕蔡展航黄东龙
Owner SOUTH CHINA UNIV OF TECH
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