CN112926810A - Method and device for determining total annual runoff control rate and electronic equipment - Google Patents
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Abstract
The invention discloses a method and a device for determining total annual runoff control rate and electronic equipment, wherein the method for determining the total annual runoff control rate comprises the following steps: obtaining the type of the underlying surface of the first target area; determining the characteristic parameters of the underlying surface of the first target area according to the type of the underlying surface, wherein the characteristic parameters of the underlying surface comprise a storage volume control ratio, a permeable pavement rate, a concave green area rate, a common green area rate and a water impermeable area ratio; and determining the total annual runoff quantity control rate of the first target area according to the characteristic parameters of the underlying surface. The method improves the efficiency of calculating the total control rate of the annual runoff, reduces the calculation workload of the total control rate of the annual runoff, and ensures the accuracy of the determined total control rate of the annual runoff.
Description
Technical Field
The invention relates to the technical field of urban hydrology and municipal planning, in particular to a method and a device for determining a total annual runoff quantity control rate and electronic equipment.
Background
Under extensive management, the urbanization development mode and the increasing urban impervious area proportion destroy the original natural water circulation process, and cause a series of urban water problems such as frequent waterlogging disasters, serious water body pollution, water shortage, water ecological degradation and the like. In order to maintain the natural and healthy urban water circulation process, the functions of storing, infiltrating and purifying rainwater runoff by constructing and maintaining the urban lower cushion surface through sponge cities are provided.
At present, the sponge city construction effect evaluation takes drainage partitions as units, and the annual runoff total amount control rate is a main construction target and a key assessment index for sponge city construction. Therefore, how to determine the annual runoff total control rate is a fundamental problem in research of sponge cities. However, at present, when the sponge city construction is specifically carried out, the existing determination method of the total annual runoff quantity control rate is to establish a numerical model through a large amount of historical data to perform numerical simulation, so as to obtain the total annual runoff quantity control rate of the whole sponge city, and the numerical model construction process is difficult and inefficient, so a convenient and efficient method for determining the total annual runoff quantity control rate is urgently needed to be provided.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defect of low efficiency of the method for determining the total annual runoff quantity control rate in the prior art, so as to provide a method, a device and an electronic device for determining the total annual runoff quantity control rate.
According to a first aspect, an embodiment of the present invention provides a method for determining a total annual runoff volume control rate, including: obtaining the type of an underlying surface of a first target area, wherein the first target area is a sub-area contained in a sponge city; determining the characteristic parameters of the underlying surface of the first target area according to the type of the underlying surface, wherein the characteristic parameters of the underlying surface comprise a storage volume control ratio, a permeable pavement rate, a concave green area rate, a common green area rate and a water impermeable area ratio; and determining the total annual runoff quantity control rate of the first target area according to the characteristic parameters of the underlying surface.
With reference to the first aspect, in a first implementation manner of the first aspect, before determining the underlying surface feature parameter of the first target region according to the underlying surface type, the method includes: constructing a numerical model corresponding to the first target area; and determining the initial annual runoff total control rate of the first target area according to the numerical model.
With reference to the first implementation manner of the first aspect, in a second implementation manner of the first aspect, the determining a total annual runoff quantity control rate of the first target area according to the underlying surface characteristic parameter includes: adjusting the underlying surface characteristic parameters of the constructed numerical model corresponding to the first target area to obtain a numerical model corresponding to the adjusted underlying surface characteristic parameters; and simulating the initial total annual runoff quantity control rate according to the numerical model corresponding to the adjusted characteristic parameters of the underlying surface to obtain the total annual runoff quantity control rates of a plurality of first target areas corresponding to the characteristic parameters of the underlying surface.
With reference to the first aspect, in a third implementation manner of the first aspect, after the determining the total annual runoff amount control rate of the first target area according to the underlying surface characteristic parameter, the method includes: determining the relation between the characteristic parameters of the underlying surface and the total annual runoff quantity control rate based on a target algorithm; and determining the total annual runoff control rate of a second target area according to the relationship between the characteristic parameters of the underlying surface and the total annual runoff control rate.
According to a second aspect, an embodiment of the present invention provides a total annual runoff volume control rate determining apparatus, including: the acquisition module is used for acquiring the underlying surface type of a first target area, wherein the first target area is a sub-area contained in a sponge city; the first determination module is used for determining the characteristic parameters of the lower cushion surface of the first target area according to the type of the lower cushion surface, wherein the characteristic parameters of the lower cushion surface comprise a regulation volume control ratio, a permeable pavement rate, a concave green area rate, a common green area rate and a impermeable area rate; and the second determination module is used for determining the total annual runoff quantity control rate of the first target area according to the underlying surface characteristic parameters.
With reference to the second aspect, in a first implementation manner of the second aspect, the first determining module is preceded by: the construction module is used for constructing a numerical model corresponding to the first target area; and the third determination module is used for determining the initial annual runoff total control rate of the first target area according to the numerical model.
With reference to the first implementation manner of the second aspect, in a second implementation manner of the second aspect, the second determining module includes: the adjusting submodule is used for adjusting the underlying surface characteristic parameters of the constructed numerical model corresponding to the first target area to obtain a numerical model corresponding to the adjusted underlying surface characteristic parameters; and the calculation submodule is used for simulating the initial total annual runoff control rate according to the numerical model corresponding to the adjusted characteristic parameters of the underlying surface to obtain the total annual runoff control rates of a plurality of first target areas corresponding to the characteristic parameters of the underlying surface.
With reference to the second aspect, in a third implementation manner of the second aspect, the second determining module is followed by: the third determination module is used for determining the relation between the characteristic parameters of the underlying surface and the total annual runoff quantity control rate based on a target algorithm; and the fourth determining module is used for determining the total annual runoff control rate of the second target area according to the relationship between the characteristic parameters of the underlying surface and the total annual runoff control rate.
According to a third aspect, an embodiment of the present invention provides an electronic device, including: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, and the processor executing the computer instructions to execute the method for determining total annual runoff volume control rate according to the first aspect or any embodiment of the first aspect.
According to a fourth aspect, an embodiment of the present invention provides a computer scale storage medium, where the computer readable storage medium stores computer instructions for causing the computer to execute the method for determining the total annual runoff volume control rate according to the first aspect or any implementation manner of the first aspect.
The technical scheme of the invention has the following advantages:
according to the method and the device for determining the total annual runoff control rate and the electronic equipment provided by the embodiment of the invention, the underlying surface type of the first target area in the whole sponge city is obtained, the underlying surface characteristic parameter of the first target area is determined according to the underlying surface type, and the total annual runoff control rate of the first target area is determined according to the underlying surface characteristic parameter. By acquiring the characteristic parameters of the underlying surface of the small and medium areas in the sponge city, the data acquisition amount is reduced, and the efficiency of calculating the annual runoff total control rate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a method for determining a total annual runoff volume control rate according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a device for determining a total annual runoff volume control rate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The present embodiment provides a method for determining a total annual runoff volume control rate, as shown in fig. 1, the method for determining the total annual runoff volume control rate includes:
and S11, acquiring the underlying surface type of a first target area, wherein the first target area is a sub-area contained in the sponge city.
Illustratively, the first target area is a research object area of a sponge city, and the area of the underlying surface type of the first target area is acquired, and the area of the underlying surface type can be obtained through ArcGIS or other software statistics, wherein the underlying surface type can include greenbelts, roads and roofs. The acquisition mode of the type area of the underlying surface is not limited, and can be determined by a person skilled in the art according to actual needs. The first target area is a sub-area contained in the sponge city, the sub-area can be a drainage sub-area, the area of the underlying surface type is counted through ArcGIS, the areas of several types such as roads, greenbelts, roofs and the like are respectively obtained, and characteristic parameters corresponding to the underlying surface type are obtained.
And S12, determining the characteristic parameters of the underlying surface of the first target area according to the type of the underlying surface, wherein the characteristic parameters of the underlying surface comprise a storage volume control ratio, a permeable pavement rate, a concave green area rate, a common green area rate and a water impermeable area ratio.
Illustratively, a plurality of underlying surface parameters exist in the first target area, and the underlying surface parameters which are easy to obtain and have large influence on the total annual runoff quantity control rate in the first target area are selected as the underlying surface characteristic parameters of the first target area. The regulation volume control ratio, the permeable pavement rate, the concave greenbelt rate, the common greenbelt rate and the impermeable area ratio are all easy to obtain compared with other underlying surface parameters, and each other target area in the sponge city can obtain the 5 underlying surface parameters.
Taking the drainage subarea as an example, five characteristic parameters of the regulation and storage volume control ratio, the permeable pavement rate, the concave green land rate, the common green land rate and the impervious area rate are easy to obtain. The control ratio of the storage volume can be adjusted by the storage volume in the drainage subarea according to the volume of every 1000m2Should be matched with a hardening area of 30m3The regulated volume can be determined by one skilled in the art according to the actual need. Taking the proportion of the hardening area which meets the requirement in the obtained drainage subarea to the total hardening area as a regulation volume control ratio; the water permeable pavement rate is the proportion of the water permeable pavement area to the total area of the drainage subareas; the concave green space ratio is the proportion of the concave green space area to the total area of the drainage subareas; the common green space rate is the proportion of the common green space area to the total area of the drainage subareas; the water-impermeable area proportion is the proportion of the water-impermeable underlying surface area to the total area of the drainage subareas.
And S13, determining the total annual runoff quantity control rate of the first target area according to the characteristic parameters of the underlying surface.
For example, according to the acquired characteristic parameters of the underlying surface, the method for determining the total annual runoff amount control rate of the first target area may be to acquire data of each characteristic parameter of the underlying surface of the first target area in advance, perform fitting calculation on the data of each characteristic parameter of the underlying surface and the total annual runoff amount control rate, obtain a fitting relation function between the data of each characteristic parameter of the underlying surface and the total annual runoff amount control rate, and store the fitting relation function. And obtaining the total annual runoff control rate through fitting a relation function based on the actually obtained data of the characteristic parameters of each underlying surface.
In the method for determining the total annual runoff quantity control rate provided by this embodiment, the type of the underlying surface of the first target area is obtained, the characteristic parameters of the underlying surface of the first target area are determined according to the type of the underlying surface, and the characteristic parameters of the underlying surface include the storage volume control ratio, the permeable pavement rate, the concave green area rate, the common green area rate, and the impermeable area ratio, and the total annual runoff quantity control rate of the first target area is determined according to the characteristic parameters of the underlying surface.
As an alternative embodiment of the present application, step S12 is preceded by:
firstly, a numerical model corresponding to a first target area is constructed.
Illustratively, areas corresponding to different underlying surface types of the first target region are obtained, the areas corresponding to the underlying surface types can be obtained through statistics, and a numerical model is constructed according to the obtained area results of the different underlying surface types. The value of the characteristic parameter corresponding to the underlying surface type can be determined according to the existing engineering planning. Taking the construction of an SWMM (storm water management model) model as an example, the area of the underlying surface type and the characteristic parameter values determined based on the engineering planning data are determined first, and the numerical model is constructed by referring to the SWMM model construction method.
Secondly, determining the initial annual runoff total control rate of the first target area according to the numerical model.
For example, the method for determining the initial total annual runoff control rate of the first target area according to the constructed numerical model may be to obtain underlying surface type corresponding data and engineering planning data in advance, determine each characteristic parameter in the first target area according to the underlying surface type corresponding data and the engineering planning data, and input theoretical data of each characteristic parameter to the constructed numerical model to obtain the initial total annual runoff control rate.
As an alternative embodiment of the present application, step S12 includes:
firstly, adjusting the underlying surface characteristic parameters of the numerical model corresponding to the constructed first target area to obtain the numerical model corresponding to the adjusted underlying surface characteristic parameters.
Illustratively, the underlay surface characteristic parameters are related to the areas of the corresponding underlay surface types, and the upper limit and the lower limit of the value ranges of the plurality of underlay surface characteristic parameters are set, and the upper limit and the lower limit of the value ranges can be obtained by statistical analysis with reference to the construction standard of the areas occupied by the underlay surface types of the corresponding first target area. The method for obtaining the upper limit and the lower limit of the parameter value range is not limited, and can be determined by a person skilled in the art according to actual needs. And simulating the values of the characteristic parameters of the underlying surface by combining the numerical models according to different combination modes to obtain the numerical models corresponding to different combinations.
And secondly, simulating the initial total annual runoff control rate according to the numerical model corresponding to the adjusted characteristic parameters of the underlying surface to obtain the total annual runoff control rates of a plurality of first target areas corresponding to the characteristic parameters of the underlying surface.
Illustratively, the constructed numerical model is simulated according to different combination modes of the value ranges of the characteristic parameters of the underlying surface, and the total annual runoff quantity control rates corresponding to the different combination modes are respectively obtained. Wherein, the value ranges of the characteristic parameters of the underlying surfaces obtained through statistical analysis are respectively as follows: the control ratio of the storage volume is 5-80%; the permeable pavement rate is 3% -20%; the concave greenbelt rate is 3% -20%; the common greenbelt rate is 5% -40%; the proportion of the impervious area is 20-80%. The first combination mode can calculate to obtain the corresponding total control rate of the annual runoff, then different total control rates of the annual runoff corresponding to the combination modes are sequentially obtained in different combination modes, and the different combination modes and the corresponding total control rates of the annual runoff are stored. And obtaining a fitting relation between the characteristic parameters of the underlying surface and the total control rate of the annual runoff according to the values of the characteristic parameters of the underlying surface and the corresponding control rates of the total annual runoff quantity.
As an alternative embodiment of the present application, after step S13, the method includes:
firstly, based on a target algorithm, determining the relationship between the characteristic parameters of the underlying surface and the total annual runoff control rate.
Illustratively, the storage volume control ratio of the characteristic parameters of the five underlying surfaces is x1, the water permeable pavement rate is x2, the concave greenbelt rate is x3, the common greenbelt rate is x4, the water impermeable area ratio is x5, and the total annual runoff volume control rate Y corresponding to different combinations is obtained according to different underlying surface combination modes. Fitting calculation is carried out through a target algorithm according to each combination mode and the corresponding total control rate of the annual runoff, and a fitting relation function between each combination mode and the corresponding total control rate of the annual runoff is obtained: y ═ f (x1, x2, x3, x4, x5), and the fitted relation function is stored. The target algorithm can be a statistical method or SPSS statistical analysis software, the obtaining mode of the fitting relation function is not limited, and the target algorithm can be determined by a person skilled in the art according to actual needs.
And secondly, determining the total annual runoff control rate of a second target area according to the relationship between the characteristic parameters of the underlying surface and the total annual runoff control rate.
Illustratively, the types of the underlying surface parameters corresponding to different regions are different, while the different regions all contain the types of the underlying surface parameters used for fitting the functional relationship, and the upper limit value range and the lower limit value range of the underlying surface parameters used for fitting the functional relationship cover all possible combinations. And applying the fitting relation function formula to a second target area, and obtaining the total annual runoff volume control rate of the second target area according to the relation between the underlying surface characteristic parameter and the total annual runoff volume control rate. The storage volume control ratio actually obtained in the second target area is 15%, the permeable pavement rate is 10%, the concave green land rate is 13%, the common green land rate is 10%, the impermeable area rate is 30%, and a fitting relation function is combined: and f (x1, x2, x3, x4 and x5), substituting the actually obtained parameters of the underlying surface into the fitting relation function, and calculating to obtain the total annual runoff amount control rate Y1 of the second target region, which is f (15%, 10%, 13%, 10% and 30%).
The embodiment also provides a device for determining a total annual runoff volume control rate, which can be used for calculating the total annual runoff volume control rate of a drainage partition, a region or a city scale, as shown in fig. 2, and the device for determining the total annual runoff volume control rate includes:
the obtaining module 21 is configured to obtain an underlying surface type of a first target area, where the first target area is a sub-area included in a sponge city.
The first determining module 22 is configured to determine, according to the type of the underlying surface, an underlying surface characteristic parameter of the first target area, where the underlying surface characteristic parameter includes a storage volume control ratio, a permeable pavement rate, a depressed green area rate, a common green area rate, and a water impermeable area rate.
And the second determining module 23 is configured to determine the total annual runoff volume control rate of the first target area according to the underlying surface characteristic parameter.
The device for determining the total annual runoff quantity control rate provided by the embodiment acquires the type of the underlying surface of the first target area through the acquisition module; determining the characteristic parameters of the underlying surface of the first target area by a first determining module according to the type of the underlying surface, wherein the characteristic parameters of the underlying surface comprise a storage volume control ratio, a permeable pavement rate, a concave green area rate, a common green area rate and a waterproof area rate; and then the second determining module determines the total annual runoff control rate of the first target area according to the characteristic parameters of the underlying surface, so that the efficiency of calculating the total annual runoff control rate is improved and the workload of calculating the total annual runoff control rate is reduced on the premise of ensuring the accurate calculation of the total annual runoff control rate.
As an optional embodiment of the present application, the first determining module 22 includes:
and the building module is used for building a numerical model corresponding to the first target area.
And the third determining module is used for determining the initial annual runoff total control rate of the first target area according to the numerical model.
As an optional embodiment of the present application, the first determining module 22 includes:
and the adjusting submodule is used for adjusting the underlying surface characteristic parameters of the constructed numerical model corresponding to the first target area to obtain the numerical model corresponding to the adjusted underlying surface characteristic parameters.
And the calculation submodule is used for simulating the initial total annual runoff control rate according to the numerical model corresponding to the adjusted characteristic parameters of the underlying surface to obtain the total annual runoff control rates of a plurality of first target areas corresponding to the characteristic parameters of the underlying surface.
As an optional embodiment of the present application, the second determining module 23 includes:
and the third determining module is used for determining the relation between the characteristic parameters of the underlying surface and the total annual runoff control rate based on a target algorithm.
And the fourth determining module is used for determining the total annual runoff control rate of the second target area according to the relationship between the characteristic parameters of the underlying surface and the total annual runoff control rate.
An embodiment of the present invention further provides an electronic device, as shown in fig. 3, the electronic device includes a processor 31 and a memory 32, where the processor 31 and the memory 32 may be connected by a bus or in another manner, and fig. 3 takes the connection by the bus 30 as an example.
The processor 31 may be a Central Processing Unit (CPU). The Processor 31 may also be other general-purpose processors, Digital Signal Processors (DSPs), Graphics Processing Units (GPUs), embedded Neural Network Processors (NPUs), or other dedicated deep learning coprocessors, Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs), or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or any combination thereof.
The memory 32, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules (e.g., the obtaining module 21, the first determining module 22, and the second determining module 23 shown in fig. 2) corresponding to the total annual runoff volume control rate determining method in the embodiment of the present invention. The processor 31 executes various functional applications and data processing of the processor by running non-transitory software programs, instructions and modules stored in the memory 32, that is, implements the method for determining the total annual runoff volume control rate in the above method embodiments.
The memory 32 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor 31, and the like. Further, the memory 32 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 32 may optionally include memory located remotely from the processor 31, and these remote memories may be connected to the processor 31 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory 32 and, when executed by the processor 31, perform a method of determining a total annual runoff volume control rate as in the embodiment shown in fig. 1.
According to the electronic equipment provided by the embodiment of the application, the type of the underlying surface of the first target area is obtained; determining the characteristic parameters of the underlying surface of the first target area according to the type of the underlying surface, wherein the characteristic parameters of the underlying surface comprise any of a storage volume control ratio, a permeable pavement rate, a concave greenbelt rate, a common greenbelt rate and a water impermeable area ratio; and determining the total annual runoff quantity control rate of the first target area according to the characteristic parameters of the underlying surface, so that the efficiency of the total annual runoff quantity control rate is improved, the workload of the total annual runoff quantity control rate is reduced, and the accuracy of the determined total annual runoff quantity control target is ensured.
The details of the electronic device may be understood by referring to the corresponding descriptions and effects in the embodiments shown in fig. 2 and fig. 3, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A method for determining a total annual runoff volume control rate is characterized by comprising the following steps:
obtaining the type of an underlying surface of a first target area, wherein the first target area is a sub-area contained in a sponge city;
determining the characteristic parameters of the underlying surface of the first target area according to the type of the underlying surface, wherein the characteristic parameters of the underlying surface comprise a storage volume control ratio, a permeable pavement rate, a concave green area rate, a common green area rate and a water impermeable area ratio;
and determining the total annual runoff quantity control rate of the first target area according to the characteristic parameters of the underlying surface.
2. The method of claim 1, wherein prior to determining the underlying surface feature parameters for the first target region based on the underlying surface type, comprising:
constructing a numerical model corresponding to the first target area;
and determining the initial annual runoff total control rate of the first target area according to the numerical model.
3. The method of claim 2, wherein determining the total annual runoff control rate for the first target area based on the underlying surface characteristic parameter comprises:
adjusting the underlying surface characteristic parameters of the constructed numerical model corresponding to the first target area to obtain a numerical model corresponding to the adjusted underlying surface characteristic parameters;
and simulating the initial total annual runoff quantity control rate according to the numerical model corresponding to the adjusted characteristic parameters of the underlying surface to obtain the total annual runoff quantity control rates of a plurality of first target areas corresponding to the characteristic parameters of the underlying surface.
4. The method of claim 1, wherein determining the total annual runoff rate control rate for the first target area based on the underlying surface characteristic parameter comprises:
determining the relation between the characteristic parameters of the underlying surface and the total annual runoff quantity control rate based on a target algorithm;
and determining the total annual runoff control rate of a second target area according to the relationship between the characteristic parameters of the underlying surface and the total annual runoff control rate.
5. A device for determining a total annual runoff volume control rate, comprising:
the acquisition module is used for acquiring the underlying surface type of a first target area, wherein the first target area is a sub-area contained in a sponge city;
the first determination module is used for determining the characteristic parameters of the lower cushion surface of the first target area according to the type of the lower cushion surface, wherein the characteristic parameters of the lower cushion surface comprise a regulation volume control ratio, a permeable pavement rate, a concave green area rate, a common green area rate and a impermeable area rate;
and the second determination module is used for determining the total annual runoff quantity control rate of the first target area according to the underlying surface characteristic parameters.
6. The apparatus of claim 5, wherein the first determining module is preceded by:
the construction module is used for constructing a numerical model corresponding to the first target area;
and the third determination module is used for determining the initial annual runoff total control rate of the first target area according to the numerical model.
7. The apparatus of claim 6, wherein the second determining module comprises:
the adjusting submodule is used for adjusting the underlying surface characteristic parameters of the constructed numerical model corresponding to the first target area to obtain a numerical model corresponding to the adjusted underlying surface characteristic parameters;
and the calculation submodule is used for simulating the initial total annual runoff control rate according to the numerical model corresponding to the adjusted characteristic parameters of the underlying surface to obtain the total annual runoff control rates of a plurality of first target areas corresponding to the characteristic parameters of the underlying surface.
8. The apparatus of claim 6, wherein the second determining module is followed by:
the third determination module is used for determining the relation between the characteristic parameters of the underlying surface and the total annual runoff quantity control rate based on a target algorithm;
and the fourth determining module is used for determining the total annual runoff control rate of the second target area according to the relationship between the characteristic parameters of the underlying surface and the total annual runoff control rate.
9. An electronic device, comprising:
a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the method of determining total annual runoff volume control rate according to any one of claims 1 to 4.
10. A computer-readable storage medium storing computer instructions for causing a computer to execute the method for determining a total annual runoff rate as claimed in any one of claims 1 to 4.
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