WO2015149408A1 - 一种河湖沉积物中重金属污染的生态风险确定方法 - Google Patents
一种河湖沉积物中重金属污染的生态风险确定方法 Download PDFInfo
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- WO2015149408A1 WO2015149408A1 PCT/CN2014/076141 CN2014076141W WO2015149408A1 WO 2015149408 A1 WO2015149408 A1 WO 2015149408A1 CN 2014076141 W CN2014076141 W CN 2014076141W WO 2015149408 A1 WO2015149408 A1 WO 2015149408A1
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- heavy metal
- risk
- ecological
- sediments
- water
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 70
- 239000013049 sediment Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 40
- 231100000719 pollutant Toxicity 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000001186 cumulative effect Effects 0.000 claims abstract description 6
- 238000004458 analytical method Methods 0.000 claims abstract description 5
- 238000005070 sampling Methods 0.000 claims description 14
- 238000012614 Monte-Carlo sampling Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 4
- 231100000584 environmental toxicity Toxicity 0.000 claims description 4
- 238000000342 Monte Carlo simulation Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007619 statistical method Methods 0.000 claims description 3
- 238000012502 risk assessment Methods 0.000 description 7
- 239000000356 contaminant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 229910052793 cadmium Inorganic materials 0.000 description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 3
- 238000003911 water pollution Methods 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
- G06Q50/265—Personal security, identity or safety
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/30—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indices; for individual health risk assessment
Definitions
- the invention relates to the field of determining ecological risk, in particular to a method for determining ecological risk of heavy metal pollution in river and lake sediments. Background technique
- the Hankanson Potential Ecological Hazard Index method is a relatively quick and simple method for dividing the degree of sediment pollution and the potential ecological risk of water bodies.
- the average concentration of heavy metals in water sediments is compared with the background value and multiplied by the toxicity adjustment coefficient.
- Obtaining an ecological risk value is a point estimation method.
- the concentration of heavy metals in water sediments may vary greatly in different regions and time periods.
- the ecological risk value and the classification of risk levels calculated by the average concentration cannot reflect the uncertain properties and probability characteristics of the risk problem. Therefore, it is necessary to develop characteristics that reflect the fluctuations of heavy metal concentrations in water sediments and
- the risk analysis method of state risk probability attribute provides a more scientific and reliable basis for rational formulation of water ecological environment protection measures. Summary of the invention
- the invention relates to an ecological risk determination method for heavy metal pollution in river and lake sediments, based on Monte Carlo sampling, in view of the deficiencies and problems in the treatment of ecological risk identification and determination methods for heavy metal pollution in traditional sediments. Sampling calculation is applicable to the discrimination of heavy metal pollution in river and lake sediments and the identification of potential ecological risks, which can serve water pollution control and water ecological management.
- a method for determining ecological risk of heavy metal pollution in river and lake sediments comprising the following steps:
- Use formula Calculate the ecological risk index of a certain heavy metal pollutant, which represents the ecological risk index of the i-th heavy metal pollutant; represent the measured value of the concentration of the i-th heavy metal pollutant in the water sediment (mg/kg) ) ; represents the pre-industrial background value of the heavy metal contaminant
- TV represents the ecotoxicity coefficient of the first heavy metal contaminant; and is obtained from published literature reports;
- the Monte Carlo method is used for sampling calculation.
- the average value is stable, that is, the number of sampling times when the average difference between the two operations is less than 5% is the final sampling number, and the corresponding operation result is the final result;
- the invention provides an ecological risk determination method for heavy metal pollution in river and lake sediments.
- the Monte Carlo sampling method is used to deal with the insufficiency of the uncertainty problem in the traditional point estimation method to reflect the water body.
- the fluctuation characteristics of heavy metal concentration in sediments and the probability attribute of risk are applicable to the discrimination of heavy metal pollution in river and lake sediments and the identification of potential ecological risks, providing scientific and reliable basis for water pollution control and water ecological management.
- the method can be widely applied to the ecological risk analysis caused by heavy metal pollutants in river and lake water sediments, and the corresponding ecological environmental protection measures are formulated.
- Figure 1 is a cumulative ecological risk distribution probability distribution of heavy metal pollutants in a lake sediment.
- each heavy metal pollutant has at least 3 points of concentration data, and different points The detection and analysis methods used for the same contaminant are the same;
- the Monte Carlo method is used for sampling calculation.
- the average value is stable, that is, the number of sampling times when the average difference between the two operations is less than 5% is 5000 times, which is taken as the final sampling number, and the corresponding operation result is the final result;
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/773,493 US10152762B2 (en) | 2014-04-04 | 2014-04-24 | Method for determining ecological risks of heavy metal pollution in river and lake sediments |
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CN201410137454.3A CN103886217A (zh) | 2014-04-04 | 2014-04-04 | 一种河湖沉积物中重金属污染的生态风险确定方法 |
CN201410137454.3 | 2014-04-04 |
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WO2015149408A1 true WO2015149408A1 (zh) | 2015-10-08 |
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PCT/CN2014/076141 WO2015149408A1 (zh) | 2014-04-04 | 2014-04-24 | 一种河湖沉积物中重金属污染的生态风险确定方法 |
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CN113256469A (zh) * | 2021-05-14 | 2021-08-13 | 郑州大学环境技术咨询工程有限公司 | 一种城镇地表径流面源污染物入河量核算方法 |
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Cited By (4)
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CN111652462A (zh) * | 2020-04-17 | 2020-09-11 | 湘潭大学 | 一种农用地重金属污染及潜在生态风险的评价方法 |
CN111652462B (zh) * | 2020-04-17 | 2023-08-15 | 湘潭大学 | 一种农用地重金属污染及潜在生态风险的评价方法 |
CN111552924A (zh) * | 2020-04-22 | 2020-08-18 | 中国科学院地理科学与资源研究所 | 乡镇尺度的土壤重金属污染特征及潜在生态风险评价方法 |
CN113256469A (zh) * | 2021-05-14 | 2021-08-13 | 郑州大学环境技术咨询工程有限公司 | 一种城镇地表径流面源污染物入河量核算方法 |
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US10152762B2 (en) | 2018-12-11 |
CN103886217A (zh) | 2014-06-25 |
US20160110835A1 (en) | 2016-04-21 |
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