CN112328948A - Erosion calculation system for water and soil conservation - Google Patents
Erosion calculation system for water and soil conservation Download PDFInfo
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Abstract
The embodiment of the invention discloses an erosion calculation system for water and soil conservation, which comprises: the hydraulic erosion module is used for calculating a hydraulic erosion modulus according to the rainfall erosion force factor, the soil erodibility factor, the slope length factor, the gradient factor, the vegetation cover and biological measure factor, the engineering measure factor and the cultivation measure factor; the wind erosion module is used for calculating a wind erosion modulus according to the wind factor, the surface soil humidity factor, the vegetation coverage and the roughness factor; the erosion intensity module is used for calculating the soil erosion intensity of the water power of each grid in the remote sensing image of the area to be evaluated according to the water erosion modulus and the water erosion correction coefficient; calculating the soil erosion intensity of wind power of each grid in the remote sensing image of the area to be evaluated according to the wind erosion module; the system disclosed by the application can rapidly and accurately calculate the hydraulic erosion modulus, the wind erosion modulus, the soil erosion intensity by water and the soil erosion intensity by wind, is simple and rapid to control, and is more intuitive in result presentation.
Description
Technical Field
The embodiment of the invention relates to the technical field of water and soil conservation erosion, in particular to a water and soil conservation erosion calculation system.
Background
In recent years, the protection of our country to the ecological environment is increasing, especially in the aspect of water and soil conservation. Soil and water conservation is a crucial step in preventing soil and water loss and establishing good ecological environment. Monitoring and detecting the degree of erosion of water and soil are one of the important links in water and soil conservation work. At present, workers often use Arcgis and GIS (Geographic Information System) to calculate the erosion condition of water and soil conservation, but the software is not only complicated to operate, but also cannot directly calculate the erosion degree of water and soil conservation, and the workers need to calculate again.
Disclosure of Invention
The embodiment of the invention provides the following technical scheme:
according to a first aspect of embodiments of the present invention there is provided an earth and water conservation erosion computing system comprising:
the hydraulic erosion module is used for calculating a hydraulic erosion modulus according to the rainfall erosion force factor, the soil erodibility factor, the slope length factor, the slope factor, the vegetation cover and biological measure factor, the engineering measure factor and the cultivation measure factor;
the wind erosion module is used for calculating a wind erosion modulus according to the wind factor, the surface soil humidity factor, the vegetation coverage and the roughness factor;
the erosion intensity module is used for calculating the soil erosion intensity of the water power of each grid in the remote sensing image of the area to be evaluated according to the water erosion modulus and the water erosion correction coefficient; the system is also used for calculating the soil erosion intensity of wind power of each grid in the remote sensing image of the area to be evaluated according to the wind erosion module;
and the factor management module is used for storing and modifying rainfall erosion force factors, soil erodibility factors, slope length factors, slope gradient factors, vegetation coverage and biological measure factors, engineering measure factors, cultivation measure factors, wind factors, surface soil humidity factors, vegetation coverage and roughness factors.
Further, in the erosion calculation system for soil and water conservation, the calculation of the hydraulic erosion modulus according to the rainfall erosion force factor, the soil erodibility factor, the slope length factor, the gradient factor, the vegetation coverage and biological measure factor, the engineering measure factor and the cultivation measure factor specifically comprises:
calculating a hydraulic erosion modulus through a formula (1) according to a rainfall erosion force factor, a soil erodibility factor, a slope length factor, a slope factor, a vegetation cover and biological measure factor, an engineering measure factor and a cultivation measure factor;
A＝RKLSBET…………(1)
wherein A is a hydraulic erosion modulus, R is a rainfall erosion force factor, K is a soil erodibility factor, L is a slope length factor, S is a gradient factor, B is a vegetation cover and biological measure factor, E is an engineering measure factor, and T is a farming measure factor.
Further, in the erosion calculation system for soil and water conservation, the wind erosion modulus is calculated according to the wind factor, the surface soil humidity factor, the vegetation coverage and the roughness factor, and specifically:
calculating the wind erosion modulus of the soil erosion by wind power through a formula (2) according to the wind power factor, the surface soil humidity factor, the vegetation coverage and the roughness factor;
wherein Q isfaThe module of the wind power erosion of cultivated land in each half month, W is the surface soil humidity factor in each half month, TjFor the cumulative time of each wind speed level in each half month, Z0Surface roughness, j is wind speed class number, UjIs the average wind speed for the jth class.
Further, in the erosion calculation system for soil and water conservation, the wind erosion modulus is calculated according to a wind factor, a surface soil humidity factor, vegetation coverage and a roughness factor, and specifically:
calculating a wind erosion modulus through a formula (3) according to the wind factor, the surface soil humidity factor, the vegetation coverage and the roughness factor;
wherein, PfgThe wind erosion modulus of the grass (irrigation) land in each half month.
Furthermore, in the water and soil conservation erosion calculation system, the hydraulic erosion module is further configured to obtain identification images corresponding to the rainfall erosion force, the soil erodibility factor, the slope factor, the vegetation coverage and biological measure factor, the engineering measure factor, the farming measure factor, and the farming measure factor, respectively, according to the remote sensing image identification of the area to be evaluated, the rainfall erosion force, the soil erodibility factor, the slope factor, the vegetation coverage and biological measure factor, the engineering measure factor, and the farming measure factor, according to the erosion force of the water to be rainfall.
Furthermore, in the water and soil conservation erosion calculation system, the hydraulic erosion module is further configured to present a remote sensing image of the area to be evaluated and identification images corresponding to rainfall erosion force, a soil erodibility factor, a slope length factor, a slope factor, a vegetation coverage and biological measure factor, an engineering measure factor, a farming measure factor, and water power-to-soil erosion strength respectively.
Furthermore, in the water and soil conservation erosion calculation system, the wind power erosion module is further configured to identify the remote sensing image of the area to be evaluated according to the land utilization rate, the vegetation coverage and the soil erosion intensity by wind power, and obtain identification images corresponding to the land utilization rate, the vegetation coverage and the soil erosion intensity by wind power respectively.
Furthermore, in the water and soil conservation erosion calculation system, the wind power erosion module is further used for presenting remote sensing images of the area to be evaluated and identification images corresponding to the soil utilization rate, the vegetation coverage and the soil erosion intensity by wind power respectively.
Furthermore, in the water and soil conservation erosion calculation system, the erosion intensity module is further configured to identify the remote sensing images of the area to be evaluated according to the water power to soil erosion intensity and the wind power to soil erosion intensity, so as to obtain identification images corresponding to the water power to soil erosion intensity and the wind power to soil erosion intensity;
and displaying the remote sensing image of the area to be evaluated and identification images respectively corresponding to the soil erosion intensity of water power and the soil erosion intensity of wind power.
Further, the water and soil conservation erosion calculation system further comprises a statistical analysis module for generating results and/or generating a result report.
The embodiment of the invention has the following advantages:
the embodiment of the invention discloses an erosion calculation system for water and soil conservation, which comprises: the hydraulic erosion module is used for calculating a hydraulic erosion modulus according to the rainfall erosion force factor, the soil erodibility factor, the slope length factor, the slope factor, the vegetation cover and biological measure factor, the engineering measure factor and the cultivation measure factor; the wind erosion module is used for calculating a wind erosion modulus according to the wind factor, the surface soil humidity factor, the vegetation coverage and the roughness factor; the erosion intensity module is used for calculating the soil erosion intensity of the water power of each grid in the remote sensing image of the area to be evaluated according to the water erosion modulus and the water erosion correction coefficient; the system is also used for calculating the soil erosion intensity of wind power of each grid in the remote sensing image of the area to be evaluated according to the wind erosion module; and the factor management module is used for storing and modifying rainfall erosion force factors, soil erodibility factors, slope length factors, slope gradient factors, vegetation coverage and biological measure factors, engineering measure factors, cultivation measure factors, wind factors, surface soil humidity factors, vegetation coverage and roughness factors. The system disclosed by the application can rapidly and accurately calculate the hydraulic erosion modulus, the wind erosion modulus, the soil erosion intensity by water and the soil erosion intensity by wind, is simple and rapid to control, and is more intuitive in result presentation.
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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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
FIG. 1 is an environment for implementing an earth and water conservation erosion computing system provided by embodiments of the present invention;
fig. 2 is a schematic structural diagram of an erosion computing system for soil and water conservation according to an embodiment of the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
Fig. 1 is an implementation environment related to an erosion computing system for soil and water conservation provided by an embodiment of the present invention, and referring to fig. 1, the implementation environment includes: a client 101 and a server 102.
The client 101 may be a PDA, a notebook computer, a desktop computer, a tablet computer, a smart phone, etc., and the present embodiment does not specifically limit the product type of the client 101. The client 101 is provided with an erosion computing system for soil and water conservation, which can complete interaction between people and equipment, edit data, input and output, and the like, and is not limited in the embodiment of the present invention.
Based on the implementation environment of fig. 1, an erosion computing system for soil and water conservation provided by the embodiment of the present application, as illustrated in fig. 2, includes:
the hydraulic erosion module 201 is used for calculating a hydraulic erosion modulus according to the rainfall erosion force factor, the soil erodibility factor, the slope length factor, the slope factor, the vegetation cover and biological measure factor, the engineering measure factor and the cultivation measure factor;
in the implementation, the rain erosion force factor, the soil erodibility factor, the slope length factor, the gradient factor, the vegetation cover and biological measure factor, the engineering measure factor and the cultivation measure factor can be stored in the system in a text or direct input mode, and the system calculates the hydraulic erosion modulus according to the factors;
specifically, a hydraulic erosion modulus is calculated through a formula (1) according to a rainfall erosion force factor, a soil erodibility factor, a slope length factor, a gradient factor, a vegetation cover and biological measure factor, an engineering measure factor and a cultivation measure factor;
A＝RKLSBET…………(1)
wherein A is a hydraulic erosion modulus, R is a rainfall erosion force factor, K is a soil erodibility factor, L is a slope length factor, S is a gradient factor, B is a vegetation cover and biological measure factor, E is an engineering measure factor, and T is a farming measure factor.
The wind erosion module 202 is used for calculating a wind erosion modulus according to a wind factor, a surface soil humidity factor, vegetation coverage and a roughness factor;
in the implementation, the wind power factor, the surface soil humidity factor, the vegetation coverage and the roughness factor can be stored in the system in a text or direct input mode, and the system calculates the wind power erosion modulus according to the factors;
specifically, the land types to be detected are different, and the land types to be detected can be divided into:
calculating the wind erosion modulus of the soil erosion by wind power through a formula (2) according to the wind power factor, the surface soil humidity factor, the vegetation coverage and the roughness factor;
wherein Q isfaThe module of the wind power erosion of cultivated land in each half month, W is the surface soil humidity factor in each half month, TjFor the cumulative time of each wind speed level in each half month, Z0Surface roughness, j is wind speed class number, UjIs the average wind speed for the jth class.
Alternatively, the first and second electrodes may be,
calculating a wind erosion modulus through a formula (3) according to the wind factor, the surface soil humidity factor, the vegetation coverage and the roughness factor;
wherein, PfgThe wind erosion modulus of the grass (irrigation) land in each half month.
The erosion intensity module 203 is used for calculating the soil erosion intensity of the water power of each grid in the remote sensing image of the area to be evaluated according to the water erosion modulus and the water erosion correction coefficient; the system is also used for calculating the soil erosion intensity of wind power of each grid in the remote sensing image of the area to be evaluated according to the wind erosion module;
and the factor management module 204 is used for storing and modifying rainfall erosion force factors, soil erodibility factors, slope length factors, slope gradient factors, vegetation coverage and biological measure factors, engineering measure factors, cultivation measure factors, wind power factors, surface soil humidity factors, vegetation coverage and roughness factors.
In this implementation, the worker may store and modify the rainfall erosion force factor, the soil erodibility factor, the slope length factor, the slope factor, the vegetation coverage and biological measure factor, the engineering measure factor, the farming measure factor, the wind factor, the surface soil moisture factor, the vegetation coverage and roughness factor in the factor management module 204.
In one embodiment, the water and soil conservation erosion computing system further comprises a statistical analysis module 205 for outcome generation and/or outcome report generation.
In the implementation, a remote sensing image of the area to be evaluated is acquired through a remote sensing technology, and an interpretation mark is associated with the remote sensing image. Wherein, for the image spatial resolution: for a water and soil loss key monitoring area in a national key management area, the spatial resolution of a remote sensing image is superior to 2 m; for a water and soil loss key monitoring area of a national key prevention area, the spatial resolution of a remote sensing image is superior to 8 m; for a general monitoring area of national-level water and soil loss, the spatial resolution of the remote sensing image is better than 16 m. For provincial water and soil loss monitoring areas, the spatial resolution of the remote sensing image can refer to the implementation or be superior to the standard.
Specifically, the hydraulic erosion module 201 is further configured to obtain identification images corresponding to the rainfall erosion force, the soil erodibility factor, the slope length factor, the slope factor, the vegetation cover and biological measure factor, the engineering measure factor, the cultivation measure factor, and the erosion intensity of water power to soil, according to the remote sensing image identification of the area to be evaluated, the rainfall erosion force, the soil erodibility factor, the slope length factor, the slope factor, the vegetation cover and biological measure factor, the engineering measure factor, and the cultivation measure factor. Meanwhile, the hydraulic erosion module 201 is further configured to present a remote sensing image of the area to be evaluated, and identification images corresponding to rainfall erosion force, soil erodibility factor, slope length factor, slope factor, vegetation coverage and biological measure factor, engineering measure factor, farming measure factor, and hydraulic erosion strength of the soil respectively.
In this embodiment, the image is identified according to the factors, and each factor corresponds to a color, so that the image can be visually observed by a worker.
Specifically, the wind erosion module 202 is further configured to identify the remote sensing image of the area to be evaluated according to the land utilization rate, the vegetation coverage and the soil erosion intensity caused by wind power, and obtain identification images corresponding to the land utilization rate, the vegetation coverage and the soil erosion intensity caused by wind power respectively. Meanwhile, the wind erosion module 202 is further configured to present a remote sensing image of the area to be evaluated and identification images corresponding to the land utilization rate, the vegetation coverage and the soil erosion intensity by wind power.
In this embodiment, the image is identified according to the factors, and each factor corresponds to a color, so that the image can be visually observed by a worker.
Specifically, the erosion intensity module 203 is further configured to identify the remote sensing images of the area to be evaluated according to the soil erosion intensity by water power and the soil erosion intensity by wind power, so as to obtain identification images corresponding to the soil erosion intensity by water power and the soil erosion intensity by wind power; and simultaneously presenting the remote sensing image of the area to be evaluated and identification images respectively corresponding to the soil erosion intensity of water power and the soil erosion intensity of wind power.
In this embodiment, the images are identified according to different erosion intensities, and each erosion intensity corresponds to a color, so that the images can be visually observed by a worker conveniently.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. An earth-water conservation erosion computing system comprising:
the hydraulic erosion module is used for calculating a hydraulic erosion modulus according to the rainfall erosion force factor, the soil erodibility factor, the slope length factor, the slope factor, the vegetation cover and biological measure factor, the engineering measure factor and the cultivation measure factor;
the wind erosion module is used for calculating a wind erosion modulus according to the wind factor, the surface soil humidity factor, the vegetation coverage and the roughness factor;
the erosion intensity module is used for calculating the soil erosion intensity of the water power of each grid in the remote sensing image of the area to be evaluated according to the water erosion modulus and the water erosion correction coefficient; the system is also used for calculating the soil erosion intensity of wind power of each grid in the remote sensing image of the area to be evaluated according to the wind erosion module;
and the factor management module is used for storing and modifying rainfall erosion force factors, soil erodibility factors, slope length factors, slope gradient factors, vegetation coverage and biological measure factors, engineering measure factors, cultivation measure factors, wind factors, surface soil humidity factors, vegetation coverage and roughness factors.
2. The system for calculating erosion of soil and water conservation according to claim 1, wherein the calculation of the hydraulic erosion modulus from the rainfall erosion force factor, the soil erodibility factor, the slope length factor, the gradient factor, the vegetation cover and biological measure factor, the engineering measure factor and the farming measure factor is specifically:
calculating a hydraulic erosion modulus through a formula (1) according to a rainfall erosion force factor, a soil erodibility factor, a slope length factor, a slope factor, a vegetation cover and biological measure factor, an engineering measure factor and a cultivation measure factor;
A＝RKLSBET…………(1)
wherein A is a hydraulic erosion modulus, R is a rainfall erosion force factor, K is a soil erodibility factor, L is a slope length factor, S is a gradient factor, B is a vegetation cover and biological measure factor, E is an engineering measure factor, and T is a farming measure factor.
3. The soil and water conservation erosion computation system of claim 1, wherein the wind erosion modulus is computed from a wind factor, a surface soil moisture factor, a vegetation coverage, and a roughness factor, and specifically is:
calculating the wind erosion modulus of the soil erosion by wind power through a formula (2) according to the wind power factor, the surface soil humidity factor, the vegetation coverage and the roughness factor;
wherein Q isfaThe module of the wind power erosion of cultivated land in each half month, W is the surface soil humidity factor in each half month, TjFor the cumulative time of each wind speed level in each half month, Z0Surface roughness, j is wind speed class number, UjIs the average wind speed for the jth class.
4. The soil and water conservation erosion computation system of claim 1, wherein the wind erosion modulus is computed from a wind factor, a surface soil moisture factor, a vegetation coverage, and a roughness factor, and specifically is:
calculating a wind erosion modulus through a formula (3) according to the wind factor, the surface soil humidity factor, the vegetation coverage and the roughness factor;
wherein, PfgThe wind erosion modulus of the grass (irrigation) land in each half month.
5. The water and soil conservation erosion calculation system of claim 1, wherein the hydraulic erosion module is further configured to obtain identification images corresponding to the rainfall erosion force, the soil erodibility factor, the slope length factor, the slope gradient factor, the vegetation cover and biological measure factor, the engineering measure factor, the farming measure factor, the engineering measure factor, and the farming measure factor, respectively, according to the remote sensing image identification of the area to be evaluated, based on the erosion force to be rainfall, the soil erodibility factor, the slope gradient factor, the vegetation cover and biological measure factor, the engineering measure factor, and the farming measure factor.
6. The system of claim 5, wherein the water erosion module is further configured to present a remote sensing image of the area to be evaluated and an identification image corresponding to the rainfall erosion force, the soil erodibility factor, the slope length factor, the slope factor, the vegetation coverage and biological measure factor, the engineering measure factor, the farming measure factor, and the water erosion strength.
7. The system according to claim 1, wherein the wind erosion module is further configured to obtain identification images corresponding to the land utilization rate, the vegetation coverage and the wind erosion intensity of the soil according to the remote sensing image identification of the area to be evaluated on the basis of the land utilization rate, the vegetation coverage and the wind erosion intensity of the soil.
8. The system according to claim 7, wherein the wind erosion module is further configured to present remote sensing images of the area to be evaluated and identification images corresponding to the respective soil erosion strengths of land utilization, vegetation coverage and wind.
9. The water and soil conservation erosion calculation system of claim 1, wherein the erosion intensity module is further configured to identify the remote sensing images of the area to be evaluated according to the water power to soil erosion intensity and the wind power to soil erosion intensity, and obtain identification images corresponding to the water power to soil erosion intensity and the wind power to soil erosion intensity;
and displaying the remote sensing image of the area to be evaluated and identification images respectively corresponding to the soil erosion intensity of water power and the soil erosion intensity of wind power.
10. The soil and water conservation erosion computing system of claim 1 further comprising a statistical analysis module for outcome generation and/or outcome report generation.
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| CN113313296A (en) * | 2021-05-19 | 2021-08-27 | 南昌大学 | Regional soil erosion quantitative evaluation method based on RUSLE |
| CN116701858A (en) * | 2023-05-25 | 2023-09-05 | 北京北科博研科技有限公司 | Loess hilly and gully region water and soil loss analysis method and platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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