Ecological site selection method based on road traffic planning

Abstract

The invention discloses an ecological site selection method based on road traffic planning, relates to the technical field of ecological site selection, and aims to scientifically and reasonably solve the problem that the range of potential sites after preliminary screening is too large in a data-driven mode. Performing infrastructure and environment suitability analysis on the divided areas respectively, taking a mode which simultaneously meets a first threshold value and a second threshold value as a screening condition so as to effectively eliminate sub-areas which do not meet requirements, and taking each sub-area reserved in each main area as a basic condition for judging whether the current main area should be reserved or not so as to determine whether the current main area should be reserved or not; a comprehensive score of the current main area is obtained by combining a scientifically set weight, and finally whether the current main area is reserved or not is effectively judged by combining a third threshold value; by means of the method, the range of potential places of preliminary screening can be effectively reduced, the efficiency and precision of subsequent analysis are effectively improved to the maximum extent, and therefore the scientificity and accuracy of final decision making are effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ecological site selection, and in particular to an ecological site selection method based on road traffic planning. Background Art

[0002] In the process of modern urbanization, how to ensure traffic convenience while effectively protecting the ecological environment has become an important research topic. Traditional site selection methods often focus on traffic convenience and economic costs, but pay relatively little attention to the ecological environment. However, with the increasing awareness of environmental protection, more and more studies have begun to explore the possibility of incorporating ecological factors into the site selection decision-making process. For this reason, the improved site selection method usually takes into account both traffic convenience and ecological environmental protection.

[0003] Although there are many methods that attempt to comprehensively consider traffic convenience and ecological environment protection, there are still some challenges and limitations in practical application: At present, when initially screening potential sites, there is a lack of scientific and reasonable analysis methods to screen potential sites, resulting in the problem that the potential sites after the initial screening are still too large. This leads to the phenomenon that the amount of data to be analyzed is too large when performing traffic convenience and ecological environmental protection analysis based on this large potential site, which not only makes the analysis process time-consuming, but also easily leads to a decrease in the accuracy of the analysis results, which in turn affects the scientificity and accuracy of the final decision.

[0004] Therefore, the prior art urgently needs a technical solution for an ecological site selection method based on road traffic planning. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides an ecological site selection method based on road traffic planning, which specifically includes the following steps: Step S1, determining the proposed construction area, and pre-dividing the proposed construction area into at least two main areas according to natural geographical features, and further dividing each main area into at least two sub-areas according to the transportation network and land use conditions; Step S2, performing analysis on each sub-region in each main region to obtain each sub-region retained in each main region, and determining whether each main region is retained based on each sub-region retained in each main region; Step S2a, performing infrastructure analysis on each sub-region in each main region to obtain an infrastructure index for each sub-region in each main region; Step S2a1, analyzing the infrastructure completeness of each sub-region to obtain an infrastructure completeness value; Step S2a2, analyzing the distribution of public service facilities in each sub-area to obtain a public service facility distribution value; Step S2a3, analyzing the municipal facilities coverage of each sub-area to obtain the municipal facilities coverage value; Step S2a4: Calculate the infrastructure index of each sub-region in each main region according to the infrastructure completeness value, the public service facility distribution value and the municipal facility coverage value; Step S2b, performing environmental suitability analysis on each sub-region in each main region to obtain an environmental suitability index for each sub-region in each main region; Step S2b1, analyzing the climate conditions of each sub-region to obtain a climate condition value; Step S2b2, analyzing the geological stability of each sub-region to obtain a geological stability value; Step S2b3, analyzing the hydrological conditions of each sub-area to obtain a hydrological condition value; Step S2b4, obtaining the environmental suitability index of each sub-region in each main region according to the climate condition value, the geological stability value and the hydrological condition value; Step S2c, screening each sub-region in each main region based on the infrastructure index and environmental suitability index of each sub-region in each main region to obtain each sub-region retained in each main region; Step S2c1, setting a first threshold for the infrastructure index of each sub-region, and setting a second threshold for the environmental suitability index of each sub-region; Step S2c2, setting a screening condition based on the first threshold and the second threshold, and obtaining each sub-region to be retained according to the screening condition; The screening condition is: if the infrastructure index of the current sub-region is greater than or equal to the first threshold and the environmental suitability index is greater than or equal to the second threshold, the current sub-region is retained; Step S2d, performing a determination on each main area based on the infrastructure index and the environmental suitability index of each sub-area retained in each main area, to obtain each retained main area; Step S2d1, assigning a weight to each main area according to the ratio of the infrastructure index and the environmental suitability index of each sub-area retained in each main area; The calculation formula group for obtaining the weight of each main area is:

[0006]

[0007]

[0008] in, represents the ratio of the infrastructure index to the environmental suitability index of the jth sub-area retained in the i-th main area; represents the ratio of the environmental suitability index to the infrastructure index of the jth sub-area retained in the i-th main area; represents the weight of the i-th main area; represents the infrastructure index of the jth sub-region retained in the ith main region; represents the environmental suitability index of the jth sub-area retained in the i-th main area; represents the number of sub-regions retained in the i-th main region; represents the weight coefficient; Step S2d2, combining the infrastructure index and environmental suitability index of each sub-region retained in each main region and the weight of each main region to obtain a comprehensive score for each main region; The calculation formula for obtaining the comprehensive score of each main area is:

[0009] in, represents the comprehensive score of the ith main area; represents the weight of the i-th main area; represents the infrastructure index of the jth sub-region retained in the ith main region; represents the environmental suitability index of the jth sub-area retained in the i-th main area; represents the number of sub-regions retained in the i-th main region; Step S2d3, setting a third threshold for the comprehensive score, if the comprehensive score of the current main area is greater than or equal to the third threshold, retain the current main area; if the comprehensive score of the current main area is less than the third threshold, remove the current main area; Step S3: Perform traffic convenience and ecological environment protection analysis on each retained main area, and make a site selection decision based on the analysis results.

[0010] The embodiments of the present invention have the following technical effects: The present invention aims to solve the problem of too large a scope of potential locations after preliminary screening in a data-driven manner in a scientific and reasonable manner. First, regional division is performed, and then infrastructure and environmental suitability analysis are performed on the divided areas respectively, and the method of simultaneously satisfying the first threshold and the second threshold is used as the screening condition to effectively eliminate sub-areas that do not meet the requirements, and then each sub-area retained in each main area is used as the basic condition for determining whether the current main area should be retained, and combined with scientifically set weights, a comprehensive score of the current main area is obtained, and finally combined with the third threshold to effectively determine whether the current main area is retained; the above method can effectively narrow the scope of potential locations for preliminary screening, so as to effectively improve the efficiency and accuracy of subsequent analysis to the greatest extent, thereby effectively improving the scientificity and accuracy of the final decision. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a flow chart of an ecological site selection method based on road traffic planning provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0014] Embodiment 1: Figure 1 As shown, the present invention provides an ecological site selection method based on road traffic planning, comprising the following steps: Step S1: determine the proposed area, and pre-divide the proposed area into at least two main areas according to natural geographical features, and further divide each main area into at least two sub-areas according to the transportation network and land use conditions.

[0015] Step S2: Analyze each sub-region in each main region to obtain each sub-region retained in each main region, and determine whether each main region is retained based on each sub-region retained in each main region.

[0016] Step S2a: perform infrastructure analysis on each sub-region in each main region to obtain an infrastructure index for each sub-region in each main region.

[0017] Step S2a1: Analyze the infrastructure completeness of each sub-region to obtain an infrastructure completeness value.

[0018] First, we collected indicators in each sub-region, including road density, water supply network coverage, and power supply facility density data; then, we defined the above indicators, road density : Total length of roads within the sub-region area, water supply network coverage rate : The proportion of the area covered by the water supply network to the total area of ​​the sub-region, the density of power supply facilities : The total length of power lines within the sub-region area; then calculate the values ​​of the above indicators, among which the road density Water supply network coverage ; Power supply facility density ; Then use the formula to calculate the infrastructure completeness value Step S2a2: Analyze the distribution of public service facilities in each sub-region to obtain a distribution value of public service facilities.

[0019] Collect the number of public service facilities such as schools, hospitals, and parks in each sub-region; then define the above indicators, number of schools: the number of schools in the sub-region, number of hospitals: the number of hospitals in the sub-region, number of parks: the number of parks in the sub-region; then get the value of each indicator based on the number and statistics, including the number of schools , Number of hospitals Number of parks ; Then use the formula to calculate the distribution value of public service facilities

[0020] Step S2a3, analyzing the municipal facilities coverage of each sub-area to obtain the municipal facilities coverage value; Collect the coverage areas of garbage disposal stations, sewage treatment plants, and fire stations in each sub-region; then define the above indicators: garbage disposal station coverage area: the ratio of garbage disposal station coverage area to the total area of ​​the sub-region, sewage treatment plant coverage area: the ratio of sewage treatment plant coverage area to the total area of ​​the sub-region, fire station coverage area: the ratio of fire station coverage area to the total area of ​​the sub-region; then calculate the values ​​of the above indicators to obtain the garbage disposal station coverage area. , sewage treatment plant coverage area , fire station coverage area ; Then use the formula to calculate the municipal facilities coverage value

[0021] Step S2a4: Calculate the infrastructure index of each sub-region in each main region based on the infrastructure completeness value, public service facility distribution value and municipal facility coverage value.

[0022] Based on the obtained infrastructure completeness value, public service facility distribution value and municipal facility coverage value, the infrastructure index of each sub-region in each main region is calculated using the following formula.

[0023]

[0024] Step S2b: Perform environmental suitability analysis on each sub-region in each main region to obtain an environmental suitability index for each sub-region in each main region.

[0025] Step S2b1, analyzing the climate conditions of each sub-region to obtain climate condition values.

[0026] Collect the annual average temperature, annual precipitation, and wind speed data in each sub-area; then define the above indicators, annual average temperature: the annual average temperature in the sub-area, annual precipitation: the annual precipitation in the sub-area, wind speed: the annual average wind speed in the sub-area, and then calculate the values ​​of each indicator based on the definition results, including the annual average temperature , annual precipitation and wind speed , and then use the formula to calculate

[0027] Step S2b2: Analyze the geological stability of each sub-area to obtain a geological stability value.

[0028] Collect data on geological disaster frequency, soil thickness, and groundwater level in each sub-region; then define the above indicators: geological disaster frequency: the frequency of geological disasters such as landslides and collapses in the sub-region, soil thickness: the average thickness of the soil layer in the sub-region, groundwater level: the depth of the groundwater level in the sub-region, and calculate the value of each indicator based on the definition results, including geological disaster frequency , soil thickness and groundwater level , and then use the formula to calculate the geological stability value

[0029] Step S2b3: Analyze the hydrological conditions of each sub-area to obtain hydrological condition values.

[0030] It is worth noting that the hydrological condition value The acquisition process is consistent with the acquisition process of the climate condition value and the geological stability value in step S2b1 and step S2b2, the difference is that the indicators used in the calculation are inconsistent, including the indicator values.

[0031] Step S2b4: Obtain the environmental suitability index of each sub-region in each main region according to the climate condition value, geological stability value and hydrological condition value.

[0032] Based on the obtained climate condition values, geological stability values ​​and hydrological condition values, the environmental suitability index of each sub-region in each main region is calculated using the following formula.

[0033]

[0034] Step S2c: Screen each sub-region in each main region based on the infrastructure index and environmental suitability index of each sub-region in each main region to obtain each sub-region retained in each main region.

[0035] Step S2c1: Set a first threshold for the infrastructure index of each sub-region, and set a second threshold for the environmental suitability index of each sub-region.

[0036] Step S2c2: setting a screening condition based on the first threshold and the second threshold, and obtaining each sub-region to be retained according to the screening condition.

[0037] The screening condition is that if and only if the infrastructure index of the current sub-region is greater than or equal to the first threshold and the environmental suitability index is greater than or equal to the second threshold, the current sub-region is retained.

[0038] Step S2d: Perform determination on each main area based on the infrastructure index and environmental suitability index of each sub-area retained in each main area to obtain each retained main area.

[0039] Step S2d1: assign a weight to each main area according to the ratio of the infrastructure index and the environmental suitability index of each sub-area retained in each main area.

[0040]

[0041]

[0042]

[0043] in, represents the ratio of the infrastructure index to the environmental suitability index of the jth sub-area retained in the i-th main area; represents the ratio of the environmental suitability index to the infrastructure index of the jth sub-area retained in the i-th main area; represents the weight of the i-th main area; represents the infrastructure index of the jth sub-region retained in the ith main region; represents the environmental suitability index of the jth sub-area retained in the i-th main area; represents the number of sub-regions retained in the i-th main region; represents the weight coefficient; It is worth noting that by calculating the ratio of the infrastructure index to the environmental suitability index and the ratio of the environmental suitability index to the infrastructure index, we can more comprehensively evaluate the comprehensive performance of each sub-region in these two aspects. If we rely solely on one ratio, it may cause some sub-regions to be too prominent in one aspect and ignore the other aspect. Combining the two ratios can better balance the comprehensive impact of the two, so that the final weight setting of the main area can be more scientific, reasonable and stable.

[0044] Step S2d2: Combine the infrastructure index and environmental suitability index of each sub-region retained in each main region and the weight of each main region to obtain a comprehensive score for each main region.

[0045]

[0046] in, represents the comprehensive score of the ith main area; represents the weight of the i-th main area; represents the infrastructure index of the jth sub-region retained in the ith main region; represents the environmental suitability index of the jth sub-area retained in the i-th main area; Represents the number of sub-regions retained in the i-th main region.

[0047] Step S2d3, setting a third threshold for the comprehensive score, if the comprehensive score of the current main area is greater than or equal to the third threshold, retain the current main area; if the comprehensive score of the current main area is less than the third threshold, remove the current main area.

[0048] Step S3: Perform traffic convenience and ecological environment protection analysis on each retained main area, and make a site selection decision based on the analysis results.

[0049] Traffic network data is collected in each retained main area, including road networks, public transportation lines such as subways and buses, and transportation hubs such as railway stations and bus stations. Then, based on the collected traffic network data, indicators are defined, including road density: the total length of roads per unit area, public transportation station density: the number of public transportation stations per unit area, and time to reach major transportation hubs: the average time from the sub-area to the nearest major transportation hub such as railway stations and bus stations. Then, based on the definition of the indicators, the values ​​of each indicator are calculated, including road density, public transportation station density and time to reach major transportation hubs, and the traffic convenience value is calculated using a weighted average method.

[0050] Then, an ecological and environmental protection analysis is carried out, including collecting ecological and environmental data in each reserved main area, including vegetation coverage, biodiversity, air quality, noise level, etc. Based on the collected ecological and environmental data, indicators are defined, including vegetation coverage: the proportion of vegetation coverage area in the main area to the total area, biodiversity index: a quantitative indicator of species diversity in the main area, air quality index: the air quality index in the main area, noise level: the average noise level in the main area, and then the values ​​of each indicator are calculated based on the definition results of the indicator, including vegetation coverage, biodiversity index, air quality index and noise level, and then the ecological and environmental protection value is calculated using the weighted average method.

[0051] Then, the comprehensive score of the retained main area is calculated based on the traffic convenience value and the ecological environment protection value. After setting a threshold for the comprehensive score, the main area with a comprehensive score higher than the threshold is selected as the candidate area, and the main area with the highest comprehensive score is selected from the candidate areas as the final site, which is the final site selection decision.

[0052] It should be noted that the terms used in the present invention are only for describing specific embodiments, rather than limiting the scope of the present application. As shown in the present specification, unless the context clearly indicates an exception, the words "one", "a", "a kind of" and / or "the" do not specifically refer to the singular, but may also include the plural. The terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method or device. In the absence of more restrictions, the elements defined by the sentence "include one..." do not exclude the presence of other identical elements in the process, method or device including the elements.

[0053] It should also be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present invention.

Claims

1. An ecological site selection method based on road traffic planning, characterized in that: The following steps are involved: Step S1, determining the proposed construction area, and pre-dividing the proposed construction area into at least two main areas according to natural geographical features, and further dividing each main area into at least two sub-areas according to transportation network and land use conditions; Step S2, performing analysis on each sub-region in each main region to obtain each sub-region retained in each main region, and determining whether each main region is retained based on each sub-region retained in each main region; Step S2a, performing infrastructure analysis on each sub-region in each main region to obtain an infrastructure index for each sub-region in each main region; Step S2b, performing environmental suitability analysis on each sub-region in each main region to obtain an environmental suitability index for each sub-region in each main region; Step S2c, screening each sub-region in each main region based on the infrastructure index and environmental suitability index of each sub-region in each main region to obtain each sub-region retained in each main region; Step S2d, performing a determination on each main area based on the infrastructure index and the environmental suitability index of each sub-area retained in each main area, to obtain each retained main area; Step S3: Perform traffic convenience and ecological environment protection analysis on each retained main area, and make a site selection decision based on the analysis results.

2. The ecological site selection method based on road traffic planning according to claim 1 is characterized in that: The performing of infrastructure analysis on each sub-region in each main region to obtain an infrastructure index of each sub-region in each main region includes: Step S2a1, analyzing the infrastructure completeness of each sub-region to obtain an infrastructure completeness value; Step S2a2, analyzing the distribution of public service facilities in each sub-area to obtain a public service facility distribution value; Step S2a3, analyzing the municipal facilities coverage of each sub-area to obtain the municipal facilities coverage value; Step S2a4: Calculate the infrastructure index of each sub-region in each main region based on the infrastructure completeness value, public service facility distribution value and municipal facility coverage value.

3. The ecological site selection method based on road traffic planning according to claim 1 is characterized in that: The environmental suitability analysis is performed on each sub-region in each main region to obtain the environmental suitability index of each sub-region in each main region, including: Step S2b1, analyzing the climate conditions of each sub-region to obtain a climate condition value; Step S2b2, analyzing the geological stability of each sub-region to obtain a geological stability value; Step S2b3, analyzing the hydrological conditions of each sub-area to obtain a hydrological condition value; Step S2b4: Obtain the environmental suitability index of each sub-region in each main region according to the climate condition value, geological stability value and hydrological condition value.

4. The ecological site selection method based on road traffic planning according to claim 1 is characterized in that: The method of screening each sub-region in each main region based on the infrastructure index and the environmental suitability index of each sub-region in each main region to obtain each sub-region retained in each main region includes: Step S2c1, setting a first threshold for the infrastructure index of each sub-region, and setting a second threshold for the environmental suitability index of each sub-region; Step S2c2: setting a screening condition based on the first threshold and the second threshold, and obtaining each sub-region to be retained according to the screening condition.

5. The ecological site selection method based on road traffic planning according to claim 4 is characterized in that: The screening condition is: if the infrastructure index of the current sub-region is greater than or equal to the first threshold and the environmental suitability index is greater than or equal to the second threshold, the current sub-region is retained.

6. The ecological site selection method based on road traffic planning according to claim 1 is characterized in that: The step of performing a determination on each main area based on the infrastructure index and the environmental suitability index of each sub-area retained in each main area to obtain each retained main area includes: Step S2d1, assigning a weight to each main area according to the ratio of the infrastructure index and the environmental suitability index of each sub-area retained in each main area; Step S2d2: Combine the infrastructure index and environmental suitability index of each sub-region retained in each main region and the weight of each main region to obtain a comprehensive score for each main region: in, represents the comprehensive score of the ith main area; represents the weight of the i-th main area; represents the infrastructure index of the jth sub-region retained in the ith main region; represents the environmental suitability index of the jth sub-area retained in the i-th main area; represents the number of sub-regions retained in the i-th main region; Step S2d3, setting a third threshold for the comprehensive score, if the comprehensive score of the current main area is greater than or equal to the third threshold, retain the current main area; if the comprehensive score of the current main area is less than the third threshold, remove the current main area.

7. The ecological site selection method based on road traffic planning according to claim 6 is characterized in that: The calculation formula group for obtaining the weight of each main area is: in, represents the ratio of the infrastructure index to the environmental suitability index of the jth sub-area retained in the i-th main area; represents the ratio of the environmental suitability index to the infrastructure index of the jth sub-area retained in the i-th main area; represents the weight of the i-th main area; represents the infrastructure index of the jth sub-region retained in the ith main region; represents the environmental suitability index of the jth sub-area retained in the i-th main area; represents the number of sub-regions retained in the i-th main region; Represents the weight coefficient.

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