CN105550477A - Quantitative judging method of river suspended matter sources - Google Patents
Quantitative judging method of river suspended matter sources Download PDFInfo
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- CN105550477A CN105550477A CN201610054189.1A CN201610054189A CN105550477A CN 105550477 A CN105550477 A CN 105550477A CN 201610054189 A CN201610054189 A CN 201610054189A CN 105550477 A CN105550477 A CN 105550477A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004364 calculation method Methods 0.000 claims abstract description 3
- 239000000725 suspension Substances 0.000 claims description 36
- 238000012937 correction Methods 0.000 claims description 14
- 239000002689 soil Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000012067 mathematical method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 238000011160 research Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
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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
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- Evolutionary Computation (AREA)
- Computer Hardware Design (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention relates to a quantitative judging method of river suspended matter sources. The method is based on the inheritance principle of material compositions; inspection and optimization are carried out to a series of geochemistry parameters of suspended matters and matter sources by operating a mathematical method; a geochemistry model is built; and a result is obtained through step-by-step calculation. The method can be applicable for evaluating quantitative contribution values of different matter sources of the river suspended matters to the river suspended matters and discussing the influences of the land utilization of a drainage basin on the features of the suspended matters, and has great importance in land management and water environment protection of the drainage basin.
Description
Technical field
The present invention relates to the quantitative identification method in suspension thing source, a kind of river, belong to environmental protection technical field.
Background technology
Water body recovery technology refers to the solid matter be suspended in water, is the main carriers of water pollutant, and therefore suspension is one of index weighing water pollution degree.Nature and human activity factor all can affect basin suspension content, and some researchs in recent years show, the key factor causing basin to pollute is the unreasonable use in soil, basin, therefore, quantitatively judge significant to the thing source of suspension.In former research, isotope tracer technique can analyze the thing source of suspension qualitatively, the contribution analyzing effluent source from suspension that cannot be quantitative, at home there are no the research about suspension and thing source quantitative relationship.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide the method for the quantitative identification in suspension thing source, a kind of river, effectively can calculate multiple thing source to the contribution margin of suspension, this method of discrimination operability and adaptability stronger.
For solving prior art problem, the technical scheme that the present invention takes is:
The method of the quantitative identification in suspension thing source, a kind of river:
Step 1, select Geochemical Parameters, and the P value in non-parametric test is less than 0.05 from the suspension and thing source of small watershed; Described Geochemical Parameters is the general designation of the information of reflection and statement research object Geochemical Characteristics, as various physicochemical property, as macroelement, trace element, granularity, magnetic susceptibility etc.; Described small watershed typically refers to below two, three grades of tributaries with watershed divide and downstream river course Outlet Section for boundary's catchment area is at the relatively independent and closed natural watershed of below 50k ㎡;
Step 2, utilize mathematics method to check and screening Geochemical Parameters, selected Optimal Parameters combination, to ensure the accuracy that thing source differentiates;
Step 3, sets up relevant geochemical model by MATLABv7.10 software, is brought in geochemical model by the combination of selected Optimal Parameters, each thing source can obtain a value between 0 and 1, change number percent into again, the contribution margin in each thing source can be obtained, wherein
Geochemical model formula is as follows:
In formula:
representative be the concentration of Index element i in suspension; J representative source is numbered;
jrepresent the mean concentration of Index element i in a jth thing source; Z
jfor granularity correction factor; O
jfor organic correction factor;
for a jth thing source is to the contribution margin of suspension, the contribution margin of belongings source to suspension is necessary for non-negative, namely
, the summation of belongings source to the contribution margin of suspension is necessary for 1, namely
;
for the weight of Index element i; Programme by MATLABv7.10 software, first give k an initial value, after then carrying out loop iteration according to formula when K value obtains minimum value, independent variable
for a jth thing source is to the contribution margin of suspension.
As quantitative identification method preferably, Zj is the average specific surface area that granularity correction factor equals soil particle in average specific surface area/jth thing source of suspended particle.
As quantitative identification method preferably, O
jfor organic correction factor equals organic carbon mean value in organic carbon mean value/jth thing source of all suspensions.
As quantitative identification method preferably, the computing method of Wi comprise two steps: the first step carries out standardization to Index element i, namely with each measured value divided by mean value; Second step calculates variance to standardized data, then gets its subduplicate inverse.
Beneficial effect
1. the present invention is workable, does not need investigation of wide scope data, and both ensure that the accuracy of instruction result, again reduce model computational complexity, economic feasibility is good simultaneously.
2. effectively can carry out quantitative analysis to the thing source of suspension, obtain more definite contribution degree, for basin Land Utilization and Management provides foundation.
3. select the good constituent contents of material inheritance such as heavy metal as model indication parameter, introduce granularity correction factor and organic correction factor simultaneously, the accuracy of model and adaptability are improved greatly.
Embodiment
The following examples can make the present invention of those skilled in the art comprehend, but do not limit the present invention in any way.
Embodiment 1
Multiple suspension and corresponding thing source (forest land, arable land, Urban Land and bank soil) sample has been collected at certain small watershed tributary (Taihu Lake is western), in the lab analysis mensuration is carried out to the Geochemical Parameters of thing source and suspension sample, full nitrogen (TN), full phosphorus (TP), organophosphorus (OP), Phos (IP), organic (OM), organic carbon (TOC), macroelement (Fe are recorded respectively, Mn, Al, Na, Mg, Ca, K) and trace element (Cu, Cd, Zn, Pb, Cr, Ni, Co) content and these parameters of granularity.Then operate according to the following steps:
Step 1, to the difference analysis that the sample in same class thing source carries out between different groups as a group, use the Kruskal-wallisH-test inspection in the non-parametric test of SPSS19.0 software, the parameter (optimized Geochemical Parameters) that P value is less than 0.05 has TN, TP, OP, IP, Al, Zn, Pb, Mn, Cd, Cr, Cu, TOC;
Step 2, utilizing mathematics method to check has TN, IP, Al, Zn, Mn, Cd, TOC with screening Geochemical Parameters, calculates mean concentration, granularity correction factor, organic correction factor and the weight of these parameters in not jljl source respectively;
Step 3, the geochemistry quantitative model formula by below:
In formula:
representative be the concentration of Index element i in suspension; Represent the mean concentration of each thing source Index element i; Zl, Zg, Zj and Za, Z
g, Z
j, Z
afor granularity correction factor; O is organic correction factor; Psl, Psg, Psc and Psa are each thing source to the contribution margin of suspension (what l represented is forest land, and what g represented is plough, and what c represented is Urban Land, and what a represented is bank soil); Wi is the weight of Index element.
Model representation is when K value obtains minimum value, and independent variable Psl, Psg, Psc and Psa are respectively forest land, arable land, Urban Land and soil four kinds of thing sources, bank to the contribution margin of suspension.
Namely what export be forest land, arable land, Urban Land and bank soil four kinds of thing source contribution margins to suspension are respectively to use MATLABv7.10 software to carry out programming: 41.2%, 20.1%, 15.3%, 23.4%.
Above embodiment is not limitation of the present invention, and the present invention is also not limited to above-mentioned citing.Those skilled in the art are in essential scope of the present invention, and the change made, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (4)
1. the quantitative identification method in river suspension thing source, is characterized in that, comprise the following steps:
Step 1, select Geochemical Parameters, and the P value in non-parametric test is less than 0.05 from the suspension and thing source of small watershed;
Step 2, utilize mathematics method to check and screening Geochemical Parameters, selected Optimal Parameters combination, to ensure the accuracy that thing source differentiates;
Step 3, sets up relevant geochemical model by MATLABv7.10 software, is brought in geochemical model by the combination of selected Optimal Parameters, each thing source can obtain a value between 0 and 1, change number percent into again, the contribution margin in each thing source can be obtained, wherein
Geochemical model formula is as follows:
In formula:
representative be the concentration of Index element i in suspension; J representative source is numbered;
jrepresent the mean concentration of Index element i in a jth thing source; Z
jfor granularity correction factor; O
jfor organic correction factor;
for a jth thing source is to the contribution margin of suspension, the contribution margin of belongings source to suspension is necessary for non-negative, namely
, the summation of belongings source to the contribution margin of suspension is necessary for 1, namely
;
for the weight of Index element i; Programme by MATLABv7.10 software, first give k an initial value, after then carrying out loop iteration according to formula when K value obtains minimum value, independent variable
for a jth thing source is to the contribution margin of suspension.
2. the quantitative identification method in suspension thing source, a kind of river according to claim 1, is characterized in that: Zj is the average specific surface area that granularity correction factor equals soil particle in average specific surface area/jth thing source of suspended particle.
3. the quantitative identification method in suspension thing source, a kind of river according to claim 1, is characterized in that: O
jfor organic correction factor equals organic carbon mean value in organic carbon mean value/jth thing source of all suspensions.
4. the quantitative identification method in suspension thing source, a kind of river according to claim 1, it is characterized in that, the computing method of Wi comprise two steps: the first step carries out standardization to Index element i, namely with each measured value divided by mean value; Second step calculates variance to standardized data, then gets its subduplicate inverse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610054189.1A CN105550477A (en) | 2016-01-27 | 2016-01-27 | Quantitative judging method of river suspended matter sources |
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| CN201610054189.1A CN105550477A (en) | 2016-01-27 | 2016-01-27 | Quantitative judging method of river suspended matter sources |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116260945A (en) * | 2023-05-15 | 2023-06-13 | 安徽哈斯特自动化科技有限公司 | Intelligent video monitoring method based on river partition management |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202648987U (en) * | 2012-05-29 | 2013-01-02 | 河海大学 | Collecting device for suspended solids in water |
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2016
- 2016-01-27 CN CN201610054189.1A patent/CN105550477A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202648987U (en) * | 2012-05-29 | 2013-01-02 | 河海大学 | Collecting device for suspended solids in water |
Non-Patent Citations (4)
| Title |
|---|
| A.L.COLLINS* 等: ""Composite fingerprinting of the spatial source of fluvial suspended sediment: a case study of the Exe and Severn river basins,United Kingdom"", 《GEOMORPHOLOGIE:RELIEF,PROCESSUS,ENVIRONNEMENT》 * |
| HAIYANXU 等: ""Temporal and Spatial Changes of Nutrients and Source Analysis for Suspended Sediments in the Dongtiaoxi River"", 《4TH INTERNATIONAL CONFERENCE ON ENERGY AND ENVIRONMENTAL PROTECTION(ICEEP 2015)》 * |
| ZHAOPENG LU等: ""Researches on temporal and spatial changes of suspended sediment nutrients and source contributions in Xitiaoxi River,China"", 《ADVANCED MATERIALS RESEARCH》 * |
| 杜德文 等: ""沉积物物源组成的定量判识方法及其在冲绳海槽的应用"", 《海洋与湖沼》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116260945A (en) * | 2023-05-15 | 2023-06-13 | 安徽哈斯特自动化科技有限公司 | Intelligent video monitoring method based on river partition management |
| CN116260945B (en) * | 2023-05-15 | 2023-07-25 | 安徽哈斯特自动化科技有限公司 | Intelligent video monitoring method based on river partition management |
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