CN110441488A - Marine ecology red line water quality reaching standard determination method and device - Google Patents
Marine ecology red line water quality reaching standard determination method and device Download PDFInfo
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Abstract
The invention discloses a kind of marine ecology red line water quality reaching standard determination method and devices, belong to multi-sensor field, this method comprises: carrying out interpolation arithmetic according to the water quality indicator of each website of acquisition, obtain the water quality indicator spatial distribution map of overall region, and be cut out with marine ecology red line boundary vector, obtain the water quality indicator spatial distribution map of marine ecology red line range；Each interpolation point in the water quality indicator spatial distribution map of marine ecology red line range is subjected to Classification of water Qualities according to Assessment of Sea Water Quality standard, obtains the spatial distribution map of different quality classification；Area statistics are carried out to the spatial distribution map of different quality classification, and the spatial distribution area for calculating different quality classification accounts for the ratio of marine ecology red line area；Judge whether ocean red line water quality is up to standard according to ratio.The invention avoids the defects that website water quality single in conventional method not can accurately reflect the integral status of surrounding seawater water quality, reflect the water quality condition of sea area entirety to a certain extent.
Description
Technical field
The present invention relates to multi-sensor field, particularly relate to a kind of marine ecology red line water quality reaching standard determination method and
Device.
Background technique
Currently, it with economic development, is influenced by coastal development, population collection, resource environment the load multiple factors such as again, sea
The pressure that the foreign ecosystem faces is increasingly significant.Monitoring shows that partial region marine ecosystems because cannot get effective protection, have
Ecological functions are degenerated and eco-environmental quality downward trend.For maintenance National Ecological Security and promote coastal social economy that can hold
Supervention exhibition, China establish marine ecology red line system.
Marine ecology red line, also referred to as ocean red line area, special important life will be had by referring in marine ecology spatial dimension
State function, must mandatory strict protection region divide into emphasis control area, thus formed geographic area boundary line and correlation
The control line of level of control.It is raw that important marine eco-functional regionalization, marine ecology sensitizing range and ocean are covered in marine ecology red line area
State vulnerable areas, protection type include important river mouth, important seashore wetland, special protection island, marine conservation areas, natural landscape and
History culture traces, rare and endangered species areal concentration, important coastal recreational area, important chiltern water front and Adjacent Sea Area, sand
Source protection sea area, important fisheries water, mangrove, coral reef and sea grass bed etc..
Seawer quality (water quality classification) is an important indicator of marine ecology red line control.Water quality classification (water grade)
It is divided into one kind, two classes, three classes and four classes, respectively represents that water quality is excellent, water quality is good, water quality is general and water quality inferiority.
Water quality classification is determined usually using water quality indicator (measured concentration of certain pollutant).Traditional calculating methods be according to
Water quality classification, detailed process are determined by the ratio up to standard of each water quality indicator of different websites are as follows: if there is N number of website, are wherein stood for M
Whether the water quality indicator of point is (up to standard be determined according to Assessment of Sea Water Quality standard) up to standard, then M*100%/N is calculated, if ratio
Then water body is one kind in a kind of water quality assessment critical field；Belong to two if being located in two class water quality assessment critical fields
Class；Other and so on.According to the method overall assessment and classification can be carried out to the water quality of sea area evaluation.
But there are certain defects for traditional quality evaluation method, because the water quality indicator for evaluation is only individual stations
Point, due to the mobility and easy immunity of water body, more often individual websites can accurately not reflect website water body entirety nearby
Water quality condition (Points replacing surfaces), this evaluation result have certain one-sidedness.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of marine ecology red line water quality reaching standard determination method and device,
The present invention can not can accurately reflect the defect of the integral status of surrounding seawater water quality to avoid website water quality single in conventional method,
The water quality condition of sea area entirety is reflected to a certain extent.
It is as follows that the present invention provides technical solution:
A kind of marine ecology red line water quality reaching standard determination method, comprising:
Obtain the water quality indicator of each website in the region including marine ecology red line range；
Interpolation arithmetic is carried out according to the water quality indicator of each website, obtains the water quality indicator spatial distribution map of overall region；
The water quality indicator spatial distribution map that overall region is cut out with marine ecology red line boundary vector, it is red to obtain marine ecology
The water quality indicator spatial distribution map of line range；
By each interpolation point in the water quality indicator spatial distribution map of marine ecology red line range according to Assessment of Sea Water Quality
Standard carries out Classification of water Qualities, and is split according to classification results, obtains the spatial distribution map of different quality classification；
Area statistics are carried out to the spatial distribution map of different quality classification, obtain the spatial distribution face of different quality classification
Product；
The spatial distribution area for calculating different quality classification accounts for the ratio of marine ecology red line area；
Ocean red line water is judged according to the ratio that the spatial distribution area of different quality classification accounts for marine ecology red line area
Whether matter is up to standard.
Further, the ratio that the spatial distribution area according to different quality classification accounts for marine ecology red line area is sentenced
Whether disconnected ocean red line water quality is up to standard, comprising:
Calculating water quality classification is the sum of the ratio that a kind of and two classes spatial distribution areas account for marine ecology red line area；
If water quality classification is that the sum of the ratio that a kind of and two classes spatial distribution areas account for marine ecology red line area is greater than
Equal to 70%, then ocean red line water quality reaching standard is judged.
Further, the spatial distribution map to different quality classification carries out area statistics, obtains different quality classification
Spatial distribution area, comprising:
The interpolation point number that the spatial distribution map of different quality classification includes is counted respectively；
The spatial distribution area of different quality classification is calculated according to interpolation point number and interpolation point size.
Further, the interpolation arithmetic includes:
Ocean current vector boundary is obtained, and overall region is divided by ocean current area and non-ocean current area by ocean current vector boundary；
Interpolation is carried out respectively according to the water quality indicator of each website in the ocean current area and non-ocean current area, obtains ocean current respectively
The water quality parameter spatial distribution map in area and non-ocean current area.
Further, the water quality indicator according to each website in the ocean current area and non-ocean current area carries out interpolation respectively
Include:
Linear interpolation is carried out according to the water quality indicator of each website in ocean current area, obtains the water of each interpolation point in ocean current area
The distribution of matter index space；
Using the water quality indicator of interpolation point closest with ocean current vector boundary in ocean current area to ocean current vector boundary water quality
Index carries out assignment, obtains the water quality indicator on ocean current vector boundary；
Using the water quality indicator on ocean current vector boundary as boundary value, used according to the water quality indicator of each website in non-ocean current area
Kriging analysis algorithm carries out interpolation, obtains the water quality indicator spatial distribution of each interpolation point in non-ocean current area.
A kind of marine ecology red line water quality reaching standard decision maker, comprising:
Water quality indicator obtains module, and the water quality for obtaining each website in the region including marine ecology red line range refers to
Mark；
Interpolating module, for carrying out interpolation arithmetic according to the water quality indicator of each website, the water quality for obtaining overall region refers to
Mark spatial distribution map；
Module is cut out, for cutting out the water quality indicator spatial distribution map of overall region with marine ecology red line boundary vector,
Obtain the water quality indicator spatial distribution map of marine ecology red line range；
Categorization module, for by each interpolation point in the water quality indicator spatial distribution map of marine ecology red line range according to
Assessment of Sea Water Quality standard carries out Classification of water Qualities, and is split according to classification results, obtains the space point of different quality classification
Butut；
Area calculation module carries out area statistics for the spatial distribution map to different quality classification, obtains different quality
The spatial distribution area of classification；
Ratio computing module, the spatial distribution area for calculating different quality classification account for the ratio of marine ecology red line area
Example；
Judgment module, the ratio for accounting for marine ecology red line area for the spatial distribution area according to different quality classification are sentenced
Whether disconnected ocean red line water quality is up to standard.
Further, the judgment module includes:
Ratio computing unit is that a kind of and two classes spatial distribution areas account for marine ecology red line for calculating water quality classification
The sum of ratio of area；
Judging unit, if being that a kind of and two classes spatial distribution areas account for marine ecology red line area for water quality classification
The sum of ratio is more than or equal to 70%, then judges ocean red line water quality reaching standard.
Further, the area calculation module includes:
Interpolation point statistic unit, the interpolation point number that the spatial distribution map for counting different quality classification respectively includes；
Areal calculation unit, for calculating the spatial distribution of different quality classification according to interpolation point number and interpolation point size
Area.
Further, the interpolating module includes:
Overall region is divided into ocean current for obtaining ocean current vector boundary, and by ocean current vector boundary by division unit
Area and non-ocean current area；
Interpolating unit, it is slotting for being carried out respectively according to the water quality indicator of each website in the ocean current area and non-ocean current area
Value obtains the water quality parameter spatial distribution map in ocean current area and non-ocean current area respectively.
Further, the interpolating unit includes:
First interpolation subelement obtains ocean for carrying out linear interpolation according to the water quality indicator of each website in ocean current area
Flow the water quality indicator spatial distribution of each interpolation point in area；
Assignment subunit, for using the water quality indicator of interpolation point closest with ocean current vector boundary in ocean current area to ocean
Flow vector boundary water quality indicator carries out assignment, obtains the water quality indicator on ocean current vector boundary；
Second interpolation subelement, for using the water quality indicator on ocean current vector boundary as boundary value, according to each in non-ocean current area
The water quality indicator of a website carries out interpolation with kriging analysis algorithm, obtains the water quality indicator of each interpolation point in non-ocean current area
Spatial distribution.
The invention has the following advantages:
Water quality indicator of the present invention according to different websites, first progress interpolation arithmetic, obtain the overall space of water quality indicator
Then distribution situation divides interpolating pixel according to water quality assessment standard, water body is divided into different classes of, calculates separately
The spatial distribution area of different classes of water quality pixel, the spatial distribution area for then calculating different classes of pixel water quality account for evaluation sea
The ratio of domain area evaluates the overall water quality situation of the sea area seawater according to this ratio.This method can be to avoid conventional method
In single website water quality not can accurately reflect surrounding seawater water quality integral status defect, reflect the sea area to a certain extent
Whole water quality condition.
Detailed description of the invention
Fig. 1 is marine ecology red line water quality reaching standard determination method flow chart of the invention；
Fig. 2 is marine ecology red line water quality reaching standard decision maker schematic diagram of the invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
On the one hand, the present invention provides a kind of marine ecology red line water quality reaching standard determination method, as shown in Figure 1, this method packet
It includes:
Step S100: the water quality indicator of each website in the region including marine ecology red line range is obtained.
This step is used to obtain the water quality indicator of all websites in certain area, which will include the ocean to be evaluated
Ecological red line range.
Water quality indicator of the invention refers to that the measured concentration of certain pollutant, the type of pollutant are selected as needed
It takes, the measured concentration of pollutant is obtained by the website measurement being arranged.
Step S200: carrying out interpolation arithmetic according to the water quality indicator of each website, and the water quality indicator for obtaining overall region is empty
Between distribution map.
The water quality indicator of each monitoring station is only to be monitored to the water quality at the website, and traditional water quality classification is commented
Valence method be represented using the water quality indicator of a website website near zone whole water quality situation (this near zone
Area is depending on the spacing distance of adjacent sites), the water quality indicator for further using all websites represents the water quality of whole region
Situation (method that i.e. traditional method is Points replacing surfaces).And due to the mobility of water body and easy immunity, website can not be accurate
Neighbouring water body entirety of reflection website water quality condition, also result in traditional evaluation result with certain one-sidedness.
The present invention carries out interpolation arithmetic using the water quality indicator of each website, obtains the water of each interpolation point in overall region
Matter index (method i.e. of the invention is the method with face for face), can cannot be accurate to avoid website water quality single in conventional method
The defect for reflecting the integral status of surrounding seawater water quality, reflects the water quality condition of sea area entirety to a certain extent.
Step S300: the water quality indicator spatial distribution map of overall region is cut out with marine ecology red line boundary vector, is obtained
The water quality indicator spatial distribution map of marine ecology red line range.
The effect of this step is to cut out marine ecology red line region to come, since marine ecology red line region is to mark off
Fixed area, as long as being cut out using marine ecology red line boundary vector.
Step S400: by each interpolation point in the water quality indicator spatial distribution map of marine ecology red line range according to seawater
Water quality assessment standard carries out Classification of water Qualities, and is split according to classification results, obtains the spatial distribution map of different quality classification.
Assessment of Sea Water Quality standard is evaluation criterion as defined in country or place, if the water quality indicator of some interpolation point
(pollutant concentration) is no more than a kind of standard index, then the interpolation point is classified as one kind, is more than a kind of standard index, then this is inserted
Value point is classified as two classes, is more than second standard index, then the interpolation point is classified as three classes, is more than three classes standard index, then
The interpolation point is classified as four classes (bad three classes).Then, different classes of interpolation point is divided into different spatial distribution maps i.e.
It can.
Step S500: area statistics are carried out to the spatial distribution map of different quality classification, obtain the sky of different quality classification
Between distribution area.
Step S600: the spatial distribution area for calculating different quality classification accounts for the ratio of marine ecology red line area.
Step S700: sea is judged according to the ratio that the spatial distribution area of different quality classification accounts for marine ecology red line area
Whether magenta line water quality is up to standard.After calculating different classes of ratio, can according to country or other mechanisms as defined in standard sentence
Whether matter of cutting off the water supply is up to standard.
Water quality indicator of the present invention according to different websites, first progress interpolation arithmetic, obtain the overall space of water quality indicator
Then distribution situation divides interpolating pixel according to water quality assessment standard, water body is divided into different classes of, calculates separately
The spatial distribution area of different classes of water quality pixel, the spatial distribution area for then calculating different classes of pixel water quality account for evaluation sea
The ratio of domain area evaluates the overall water quality situation of the sea area seawater according to this ratio.This method can be to avoid conventional method
In single website water quality not can accurately reflect surrounding seawater water quality integral status defect, reflect the sea area to a certain extent
Whole water quality condition (with face for face).
As an improvement of the present invention, a specific judgment criteria is provided here, and step S700 includes:
Step S710: calculating water quality classification is the ratio that a kind of and two classes spatial distribution areas account for marine ecology red line area
The sum of example.
Step S720: if water quality classification is the ratio that a kind of and two classes spatial distribution areas account for marine ecology red line area
The sum of be more than or equal to 70%, then judge ocean red line water quality reaching standard.
Further, step S500 includes:
Step S510: the interpolation point number that the spatial distribution map of different quality classification includes is counted respectively.
Step S520: the spatial distribution area of different quality classification is calculated according to interpolation point number and interpolation point size.
It is big according to interpolation point number and interpolation point since an interpolation point represents the size of determining real space
The small spatial distribution area that can calculate different quality classification.Then, marine ecology red line area is determining, can be calculated
Ratio out.
It is improved as another kind of the invention, the invention proposes a kind of interpolation method based on ocean current boundary subregion, tools
Body, interpolation arithmetic includes:
Step S210: obtain ocean current vector boundary, and by ocean current vector boundary by overall region be divided into ocean current area with
Non- ocean current area.
Step S220: interpolation is carried out according to the water quality indicator of each website in ocean current area and non-ocean current area respectively, is obtained respectively
Take the water quality parameter spatial distribution map in ocean current area and non-ocean current area, the water quality parameter spatial distribution map conjunction in ocean current area and non-ocean current area
It is together the water quality indicator spatial distribution map of overall region.
The distribution of the water quality indicator of (present invention refers in particular in the red line area of ocean) each point is not even variation in ocean,
If all carrying out a type of difference to whole region, it will lead to that some partial differences are more accurate, some partial differences are deposited
In biggish error.For example, being influenced by ocean current, the variation of ocean current boundaries on either side (ocean current area and non-ocean current area) is certainly not equal
Even, it can be had a greater change in ocean current boundary, if two websites are placed exactly in ocean current boundaries on either side, directly use two
The water quality indicator of website carries out interpolation, and the water quality indicator for each interpolation point that interpolation obtains is inaccurate.
Ocean red line zoning is divided into ocean current area and non-ocean according to hydrodynamic force (ocean current) feature in ocean red line area by the present invention
Area is flowed, interpolation is carried out respectively by different interpolation methods to ocean current area and non-ocean current area, obtains ocean current area and non-ocean current respectively
The water quality parameter spatial distribution map in area obtains the water quality indicator spatial distribution totality shape in different hydrodynamic region in the red line of ocean
Condition can preferably reflect the objective distribution of water quality in the red line of ocean.
More specifically, interpolation (step is carried out according to the water quality indicator of each website in ocean current area and non-ocean current area respectively
S220) include:
Step S221: carrying out linear interpolation according to the water quality indicator of each website in ocean current area, obtains each in ocean current area
The water quality indicator spatial distribution of interpolation point, as the water quality parameter spatial distribution map in ocean current area.
The changing rule of the water quality indicator of each point is substantially coincident in ocean current area, and because of the flowing shadow of ocean current
It rings, the changing rule of each point meets linear variation, therefore the present invention carries out linear interpolation in ocean current area.
Step S222: using the water quality indicator of interpolation point closest with ocean current vector boundary in ocean current area to ocean current vector
Boundary water quality indicator carries out assignment, obtains the water quality indicator on ocean current vector boundary.
The water quality indicator on ocean current vector boundary carries out assignment with using interpolation point nearest in ocean current area, relatively more accurate.
Step S223: using the water quality indicator on ocean current vector boundary as boundary value, according to the water of each website in non-ocean current area
Matter index carries out interpolation with kriging analysis algorithm, obtains the water quality indicator spatial distribution of each interpolation point in non-ocean current area,
The water quality parameter spatial distribution map in as non-ocean current area.
The present invention uses each website in non-ocean current area using the water quality indicator on the ocean current vector boundary determined as boundary value
Water quality indicator carry out kriging analysis, can more accurately obtain the water quality indicator space point of each interpolation point in non-ocean current area
Cloth.
On the other hand, the present invention provides a kind of marine ecology red line water quality reaching standard decision maker, as shown in Fig. 2, the device
Include:
Water quality indicator obtains module 10, for obtaining the water quality of each website in the region including marine ecology red line range
Index.
Interpolating module 20 obtains the water quality of overall region for carrying out interpolation arithmetic according to the water quality indicator of each website
Index space distribution map.
Module 30 is cut out, for cutting out the water quality indicator spatial distribution of overall region with marine ecology red line boundary vector
Figure, obtains the water quality indicator spatial distribution map of marine ecology red line range.
Categorization module 40, for pressing each interpolation point in the water quality indicator spatial distribution map of marine ecology red line range
Classification of water Qualities is carried out according to Assessment of Sea Water Quality standard, and is split according to classification results, the space of different quality classification is obtained
Distribution map.
Area calculation module 50 carries out area statistics for the spatial distribution map to different quality classification, obtains different water
The spatial distribution area of matter classification.
Ratio computing module 60, the spatial distribution area for calculating different quality classification account for marine ecology red line area
Ratio.
Judgment module 70 accounts for the ratio of marine ecology red line area for the spatial distribution area according to different quality classification
Judge whether ocean red line water quality is up to standard.
Water quality indicator of the present invention according to different websites, first progress interpolation arithmetic, obtain the overall space of water quality indicator
Then distribution situation divides interpolating pixel according to water quality assessment standard, water body is divided into different classes of, calculates separately
The spatial distribution area of different classes of water quality pixel, the spatial distribution area for then calculating different classes of pixel water quality account for evaluation sea
The ratio of domain area evaluates the overall water quality situation of the sea area seawater according to this ratio.This method can be to avoid conventional method
In single website water quality not can accurately reflect surrounding seawater water quality integral status defect, reflect the sea area to a certain extent
Whole water quality condition (with face for face).
As an improvement of the present invention, judgment module includes:
Ratio computing unit is that a kind of and two classes spatial distribution areas account for marine ecology red line for calculating water quality classification
The sum of ratio of area.
Judging unit, if being that a kind of and two classes spatial distribution areas account for marine ecology red line area for water quality classification
The sum of ratio is more than or equal to 70%, then judges ocean red line water quality reaching standard.
Further, area calculation module includes:
Interpolation point statistic unit, the interpolation point number that the spatial distribution map for counting different quality classification respectively includes；
Areal calculation unit, for calculating the spatial distribution of different quality classification according to interpolation point number and interpolation point size
Area.
It is improved as another kind of the invention, interpolating module includes:
Overall region is divided into ocean current for obtaining ocean current vector boundary, and by ocean current vector boundary by division unit
Area and non-ocean current area.
Interpolating unit, for carrying out interpolation respectively according to the water quality indicator of each website in ocean current area and non-ocean current area, point
Not Huo Qu ocean current area and non-ocean current area water quality parameter spatial distribution map.
Ocean red line zoning is divided into ocean current area and non-ocean according to hydrodynamic force (ocean current) feature in ocean red line area by the present invention
Area is flowed, interpolation is carried out respectively by different interpolation methods to ocean current area and non-ocean current area, obtains ocean current area and non-ocean current respectively
The water quality parameter spatial distribution map in area obtains the water quality indicator spatial distribution totality shape in different hydrodynamic region in the red line of ocean
Condition can preferably reflect the objective distribution of water quality in the red line of ocean.
More specifically, interpolating unit includes:
First interpolation subelement obtains ocean for carrying out linear interpolation according to the water quality indicator of each website in ocean current area
Flow the water quality indicator spatial distribution of each interpolation point in area.
Assignment subunit, for using the water quality indicator of interpolation point closest with ocean current vector boundary in ocean current area to ocean
Flow vector boundary water quality indicator carries out assignment, obtains the water quality indicator on ocean current vector boundary.
Second interpolation subelement, for using the water quality indicator on ocean current vector boundary as boundary value, according to each in non-ocean current area
The water quality indicator of a website carries out interpolation with kriging analysis algorithm, obtains the water quality indicator of each interpolation point in non-ocean current area
Spatial distribution.
The technical effect and preceding method embodiment phase of device provided by the embodiment of the present invention, realization principle and generation
Together, to briefly describe, Installation practice part does not refer to place, can refer to corresponding contents in preceding method embodiment.Affiliated neck
The technical staff in domain can be understood that, for convenience and simplicity of description, the device of foregoing description and the specific work of unit
Make process, the corresponding process during reference can be made to the above method embodiment, details are not described herein.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of marine ecology red line water quality reaching standard determination method characterized by comprising
Obtain the water quality indicator of each website in the region including marine ecology red line range；
Interpolation arithmetic is carried out according to the water quality indicator of each website, obtains the water quality indicator spatial distribution map of overall region；
The water quality indicator spatial distribution map that overall region is cut out with marine ecology red line boundary vector obtains marine ecology red line model
The water quality indicator spatial distribution map enclosed；
By each interpolation point in the water quality indicator spatial distribution map of marine ecology red line range according to Assessment of Sea Water Quality standard
Classification of water Qualities is carried out, and is split according to classification results, the spatial distribution map of different quality classification is obtained；
Area statistics are carried out to the spatial distribution map of different quality classification, obtain the spatial distribution area of different quality classification；
The spatial distribution area for calculating different quality classification accounts for the ratio of marine ecology red line area；
Judge that ocean red line water quality is according to the ratio that the spatial distribution area of different quality classification accounts for marine ecology red line area
It is no up to standard.
2. marine ecology red line water quality reaching standard determination method according to claim 1, which is characterized in that described according to difference
The ratio that the spatial distribution area of water quality classification accounts for marine ecology red line area judges whether ocean red line water quality is up to standard, comprising:
Calculating water quality classification is the sum of the ratio that a kind of and two classes spatial distribution areas account for marine ecology red line area；
If water quality classification is that the sum of the ratio that a kind of and two classes spatial distribution areas account for marine ecology red line area is more than or equal to
70%, then judge ocean red line water quality reaching standard.
3. marine ecology red line water quality reaching standard determination method according to claim 1, which is characterized in that described to different water
The spatial distribution map of matter classification carries out area statistics, obtains the spatial distribution area of different quality classification, comprising:
The interpolation point number that the spatial distribution map of different quality classification includes is counted respectively；
The spatial distribution area of different quality classification is calculated according to interpolation point number and interpolation point size.
4. marine ecology red line water quality reaching standard determination method according to claim 1 to 3, which is characterized in that described to insert
Value operation includes:
Ocean current vector boundary is obtained, and overall region is divided by ocean current area and non-ocean current area by ocean current vector boundary；
Carry out interpolation respectively according to the water quality indicator of each website in the ocean current area and non-ocean current area, respectively obtain ocean current area and
The water quality parameter spatial distribution map in non-ocean current area.
5. marine ecology red line water quality reaching standard determination method according to claim 4, which is characterized in that described according to
The water quality indicator of each website carries out interpolation respectively and includes: in ocean current area and non-ocean current area
Linear interpolation is carried out according to the water quality indicator of each website in ocean current area, the water quality for obtaining each interpolation point in ocean current area refers to
Mark spatial distribution；
Using the water quality indicator of interpolation point closest with ocean current vector boundary in ocean current area to ocean current vector boundary water quality indicator
Assignment is carried out, the water quality indicator on ocean current vector boundary is obtained；
Using the water quality indicator on ocean current vector boundary as boundary value, according in the water quality indicator utilization gram of each website in non-ocean current area
Lattice interpolation algorithm carries out interpolation, obtains the water quality indicator spatial distribution of each interpolation point in non-ocean current area.
6. a kind of marine ecology red line water quality reaching standard decision maker characterized by comprising
Water quality indicator obtains module, for obtaining the water quality indicator of each website in the region including marine ecology red line range；
Interpolating module, for carrying out interpolation arithmetic according to the water quality indicator of each website, the water quality indicator for obtaining overall region is empty
Between distribution map；
Module is cut out, for cutting out the water quality indicator spatial distribution map of overall region with marine ecology red line boundary vector, is obtained
The water quality indicator spatial distribution map of marine ecology red line range；
Categorization module, for by each interpolation point in the water quality indicator spatial distribution map of marine ecology red line range according to seawater
Water quality assessment standard carries out Classification of water Qualities, and is split according to classification results, obtains the spatial distribution map of different quality classification；
Area calculation module carries out area statistics for the spatial distribution map to different quality classification, obtains different quality classification
Spatial distribution area；
Ratio computing module, the spatial distribution area for calculating different quality classification account for the ratio of marine ecology red line area；
Judgment module accounts for the ratio judgement sea of marine ecology red line area for the spatial distribution area according to different quality classification
Whether magenta line water quality is up to standard.
7. marine ecology red line water quality reaching standard decision maker according to claim 6, which is characterized in that the judgment module
Include:
Ratio computing unit is that a kind of and two classes spatial distribution areas account for marine ecology red line area for calculating water quality classification
The sum of ratio；
Judging unit, if being the ratio that a kind of and two classes spatial distribution areas account for marine ecology red line area for water quality classification
The sum of be more than or equal to 70%, then judge ocean red line water quality reaching standard.
8. marine ecology red line water quality reaching standard decision maker according to claim 6, which is characterized in that the areal calculation
Module includes:
Interpolation point statistic unit, the interpolation point number that the spatial distribution map for counting different quality classification respectively includes；
Areal calculation unit, for calculating the spatial distribution face of different quality classification according to interpolation point number and interpolation point size
Product.
9. according to marine ecology red line water quality reaching standard decision maker as claimed in claim 6 to 8, which is characterized in that described to insert
Value module includes:
Division unit, for obtaining ocean current vector boundary, and by ocean current vector boundary by overall region be divided into ocean current area and
Non- ocean current area；
Interpolating unit, for carrying out interpolation respectively according to the water quality indicator of each website in the ocean current area and non-ocean current area, point
Not Huo Qu ocean current area and non-ocean current area water quality parameter spatial distribution map.
10. marine ecology red line water quality reaching standard decision maker according to claim 9, which is characterized in that the interpolation list
Member includes:
First interpolation subelement obtains ocean current area for carrying out linear interpolation according to the water quality indicator of each website in ocean current area
The water quality indicator spatial distribution of interior each interpolation point；
Assignment subunit, for using the water quality indicator of interpolation point closest with ocean current vector boundary in ocean current area to swear ocean current
It measures boundary water quality indicator and carries out assignment, obtain the water quality indicator on ocean current vector boundary；
Second interpolation subelement, for using the water quality indicator on ocean current vector boundary as boundary value, according to each station in non-ocean current area
The water quality indicator of point carries out interpolation with kriging analysis algorithm, obtains the water quality indicator space of each interpolation point in non-ocean current area
Distribution.
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