CN117689099A - GIS-based refined campus carbon sink carbon fixation benefit estimation and visualization method - Google Patents
GIS-based refined campus carbon sink carbon fixation benefit estimation and visualization method Download PDFInfo
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Abstract
The invention discloses a GIS-based refined campus carbon sink carbon fixation benefit estimation and visualization method, which comprises the following steps: s1, acquiring a campus plane drawing, and defining a campus study boundary; s2, drawing a building, a green land and a water area in the campus by combining AutoCAD software; s3, determining various space carbon fixation benefit calculation methods in the research range; s4, forming building carbon sequestration, green land carbon sequestration and water area carbon sequestration of the campus according to three space types and corresponding carbon sequestration benefit calculation methods of the campus; and S5, combining a GIS platform to realize visualization of the integral carbon sink carbon fixation benefit value, the building carbon sink carbon fixation benefit value, the green land carbon fixation benefit value and the water area carbon fixation benefit value of each campus functional area. The method can realize collection of carbon sink carbon fixation benefit data of university campuses, and is embedded into a building platform of a green low-carbon intelligent campus.
Description
Technical Field
The invention relates to the technical field of campus carbon sink accounting, in particular to a method for calculating and visualizing carbon sink carbon fixation benefits in a university campus space based on a GIS platform.
Background
Global warming has become one of the most recognized global crisis in recent years, and greenhouse gas emissions have generally been considered the most culprit for global warming. Carbon dioxide is one of the most emitted greenhouse gases, and control and reduction of carbon emissions has been an environmental protection formula in countries around the world. The building stock of universities is large, the population is large, and the building stock is a social energy-consuming user, and meanwhile, the building stock is an important place for scientific research and education and has demonstration effect on the aspect of coping with climate change. And the carbon emission rule of the cDNAs is helpful to guide the planning and design of the cDNAs to reduce carbon. The campus carbon sink is one of the total components of campus carbon emission, and the accurate calculation and visualization of the campus carbon sink carbon-fixing benefits are helpful for guiding campus planning and design to achieve the aim of sink-increasing and carbon-fixing.
Currently, the main component of campus carbon sink is green land carbon sink, and The calculation method is a Citygreen model method, an ITree-eco method, an on-site measurement method, a biomass method, a remote sensing estimation method, the Pathfinder, nationaltree benefit and The like. None of these methods can couple carbon sequestration benefit values to campus space.
Therefore, how to accurately estimate and visualize the carbon sequestration benefit value of the campus carbon sink in detail is a technical problem to be solved currently.
Disclosure of Invention
The invention aims to provide a GIS-based refined campus carbon sink carbon sequestration benefit estimation and visualization method, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a GIS-based refined campus carbon sink carbon sequestration benefit estimation and visualization method comprises the following steps:
s1, selecting a target area, acquiring a campus plane drawing, and defining a study boundary of a campus space and space attributes of the space;
s2, drawing a building, a green land and a water area in the campus by combining with AutoCAD software;
s3, determining a calculation method of carbon sequestration benefits of various carbon sink spaces in the research range;
s4, forming building carbon sequestration quantity, green land carbon sequestration quantity and water area carbon sequestration quantity of the campus according to carbon sequestration space attributes and corresponding carbon sequestration benefit calculation methods in a research range;
and S5, combining a GIS platform to realize the visualization of the integral carbon sink carbon fixation benefit value, the building carbon sink carbon fixation benefit value, the green land carbon fixation benefit value and the water area carbon fixation benefit value of each campus functional area.
Further, the spatial attribute in the step S1 includes a spatial area, a length, a building type, a greenbelt vegetation coverage type:
the building types include: residential buildings, public service buildings, and other types of buildings;
the green land vegetation cover types include: arbor type, shrub type, lawn type, arbor and irrigated type.
Further, the step S3 of determining the calculation step of the carbon sequestration benefit value of each carbon sink space in the research scope includes:
determining and numbering the building, green land and water area spaces in the research range;
calculating the area of the building, green land and water area of the research range;
determining building functions and green land vegetation coverage types within the research range;
and then calculating the carbon sequestration benefit of the building carbon sequestration benefit, the carbon sequestration benefit of the green land and the carbon sequestration benefit of the water area in the research area according to each type of carbon sequestration benefit estimation method in the research area, and respectively obtaining the carbon sequestration benefit value of the building total carbon sequestration, the carbon sequestration benefit value of the green land, the carbon sequestration benefit value of the water area and the carbon sequestration benefit value of the campus total carbon sequestration.
Further, the step of establishing carbon sink space carbon sequestration benefits in the research scope in the step S3 includes:
acquiring campus building carbon sink space attribute data, inputting the campus building carbon sink space statistical data into a preset calculation formula to obtain a building carbon sink space carbon fixation benefit value
The calculation formula of the carbon sink carbon fixation benefit value of the building is as follows:
V i ＝d·A sf
wherein,g is the total amount of building carbon sinks; />Carbon sink coefficients (kg'm-2`a-1) of different building types; vi is carbon sink area m of different building types 2 D is the building height m, A of different building types sf Base area m, which is of different building types 2 。
Building carbon sink coefficients are classified according to building functions, and as the residential land, public management land and public service land adopt concrete structures, and other land and building types in the land adopt brick-concrete structures, the building carbon sink coefficients of the university garden are determined as follows:
TABLE 1 carbon sink coefficients for buildings in university campuses
The steps of carbon sequestration benefit of the green land carbon sink space in the research range comprise:
acquiring campus green land carbon sink space attribute data, and inputting the campus green land carbon sink space statistical data into a preset calculation formula to obtain a green land carbon sink space carbon fixation benefit value:
wherein, C represents the sum of carbon sink amounts, n represents the number of greenbelts, i represents the ith greenbelt, ai represents the area of the ith greenbelt; ci represents the carbon sink coefficient of the ith green land, and is obtained from the plane drawing of the park according to the following table;
TABLE 2 greening carbon sink coefficients in university campus
The steps of carbon sequestration benefit of the water area carbon sink space in the research range comprise:
acquiring campus water area carbon sink space attribute data, inputting the campus water area carbon sink space statistical data into a preset calculation formula to obtain a water area carbon sink space carbon fixation benefit value:
the adopted water carbon sink calculation formula is as follows:
Wi＝Zi×Ai
Z＝Z1+Z2+Z3
w represents carbon sink of water body, i represents water area type
Z1 rate of carbon sink of water body
Z2 common aquatic plant carbon sink rate
Z3 bottom sediment carbon sequestration Rate
A: surface area of water
TABLE 3 variation of carbon emissions per unit area for different types of bodies of water
Further, the step of determining the visualization step of the carbon sequestration benefit value of each carbon sink space in the research scope in the step S5 includes:
adding data in ArcMAP10.8, and importing a campus plan;
adding the attribute and the carbon sequestration benefit value of various campus carbon sink spaces into the campus plane layer attribute;
the space distribution of the carbon sequestration benefit value of the carbon sink space is visualized on a plane in an Arcmap10.8 mode;
and (3) carrying out three-dimensional visualization on the campus in ArcScene 10.8, and visualizing the carbon sequestration benefit value of the carbon sink space in a three-dimensional model of the campus.
Compared with the prior art, the invention has the beneficial effects that:
according to the method, the target object is selected firstly, the carbon sink carbon fixation benefit value is calculated according to the spatial attribute in the target object, and the values are visualized on a two-dimensional plane and a three-dimensional diagram of the campus by utilizing GIS software, so that workers can conveniently control the spatial distribution of the carbon sink of the campus, the carbon sink carbon fixation benefit of a certain area is improved in a refined manner, and the method is beneficial to the construction and management and control of a green low-carbon intelligent campus.
Drawings
FIG. 1 is a flow chart diagram of a method for estimating and visualizing the carbon sequestration benefit of a campus carbon sink based on a GIS platform;
FIG. 2 is a graph showing the spatial distribution of building, greenbelt and water area of a university campus;
FIG. 3 is a two-dimensional visual representation of the result of refined calculation of carbon sequestration benefits in a campus carbon sink space of a certain university;
FIG. 4 is a three-dimensional visual representation of the result of the refined calculation of carbon sequestration benefits in a university campus carbon sink space.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a step flow chart of a GIS-based university garden carbon sink space carbon sequestration benefit estimation and visualization method is shown, and in the embodiment of the present invention, the method includes:
step S1, acquiring a campus plane drawing, and defining a study boundary of a campus space;
step S2: drawing a building, a green land and a water area in the campus by combining AutoCAD software;
step S3: determining various space carbon fixation benefit calculation methods in the research range;
step S4: according to the three space types of the campus and the corresponding carbon sequestration benefit calculation method, building carbon sequestration, green land carbon sequestration and water carbon sequestration of the campus are formed
Step S5: and combining a GIS platform to realize the visualization of the integral carbon sink carbon fixation benefit value, the building carbon sink carbon fixation benefit value, the green land carbon fixation benefit value and the water area carbon fixation benefit value of each campus functional area.
In one example of the technical solution of the invention:
and selecting a calibration area, and combining the investigation on the calibration area in the field to calculate the total carbon sink and the branch carbon sink of the carbon sink space of the area.
In the embodiment of the application, the target area is a university in Guangzhou city, guangdong province, china, the campus area is about 180.65 ten thousand square meters, and the total building area is about 139.94 ten thousand square meters. The school district comprises about 500 buildings
In the embodiment of the application, based on the method in the invention content, the total annual carbon sequestration amount of the building carbon sequestration of the school zone is calculated according to the building type, the substrate area, the annual carbon sequestration amount of the unit area and other data of the school zone,
step 1: acquiring campus plane drawing and basic information
Step 2: and drawing the building, green land and water area in the campus by combining with AutoCAD software, and defining the study boundary (see figure 2) of the campus space, wherein the boundary conditions of the building, green land and water area in the campus are shown.
Step 3: calculation method for determining various spatial carbon fixation benefits in research range
In the embodiment of the application, the carbon sink of the school zone is divided into three parts of a building, a green land and a water area, the basic information (comprising the area of a base, the height of the building, the type of the building and the annual bone carbon quantity of a unit area) of three carbon sink spaces is obtained, and the statistical data of the carbon sink spaces is input into a preset calculation formula to obtain the carbon sink quantity;
the calculation formula is as follows:
building: the calculation formula of the carbon sink carbon fixation benefit value of the building is as follows:
V i ＝d·A sf
wherein,g is the total amount of building carbon sinks; />Carbon sink coefficients (kg'm-2`a-1) of different building types; vi is carbon sink area m of different building types 2 D is the building height m, A of different building types sf Base area m, which is of different building types 2 。
Green land: acquiring campus green land carbon sink space attribute data, and inputting the campus green land carbon sink space statistical data into a preset calculation formula to obtain a green land carbon sink space carbon fixation benefit value:
wherein, C represents the sum of carbon sink amounts, n represents the number of greenbelts, i represents the ith greenbelt, ai represents the area of the ith greenbelt; ci represents the carbon sink coefficient of the ith green land, and is obtained from the plane drawing of the park according to the following table;
and (3) water area: wi=zi×ai
Z＝Z1+Z2+Z3
W represents carbon sink of water body, i represents water area type
Z1 rate of carbon sink of water body
Z2 common aquatic plant carbon sink rate
Z3 bottom sediment carbon sequestration Rate
A: surface area of water
Step 4: and forming building carbon sink quantity, green land carbon sink quantity and water area carbon sink quantity of the campus according to the three space types and the corresponding carbon sequestration benefit calculation methods of the campus.
In the embodiment of the application, based on the method in the summary, the carbon sink data of the district building and the carbon sink data of the green space are calculated, and are shown in table 4 and table 5.
TABLE 4 building carbon sink data sheet for certain school district
TABLE 5 greenbelt carbon sink data sheet for certain school district
And 5, combining a GIS platform to realize visualization of the overall carbon sink carbon sequestration benefit value, the building carbon sink carbon sequestration benefit value, the green land carbon sequestration benefit value and the water area carbon sequestration benefit value of each campus functional area (see fig. 3 and 4).
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (5)
1. A GIS-based refined campus carbon sink carbon fixation benefit estimation and visualization method is characterized in that: the method comprises the following steps:
s1, selecting a target area, acquiring a campus plane drawing, and defining a study boundary of a campus space and space attributes of the space;
s2, drawing a building, a green land and a water area in the campus by combining with AutoCAD software;
s3, determining a calculation method of carbon sequestration benefits of various carbon sink spaces in the research range;
s4, forming building carbon sequestration quantity, green land carbon sequestration quantity and water area carbon sequestration quantity of the campus according to carbon sequestration space attributes and corresponding carbon sequestration benefit calculation methods in a research range;
and S5, combining a GIS platform to realize the visualization of the integral carbon sink carbon fixation benefit value, the building carbon sink carbon fixation benefit value, the green land carbon fixation benefit value and the water area carbon fixation benefit value of each campus functional area.
2. The GIS-based refined campus carbon sink carbon sequestration benefit estimation and visualization method of claim 1, wherein the method is characterized by: the spatial attribute in the step S1 includes a spatial area, a length, a building type, and a greenbelt vegetation coverage type:
the building types include: residential buildings, public service buildings, and other types of buildings;
the green land vegetation cover types include: arbor type, shrub type, lawn type, arbor and irrigated type.
3. The GIS-based refined campus carbon sink carbon sequestration benefit estimation and visualization method of claim 2, wherein the method is characterized by: the step S3 of determining the calculation step of the carbon sequestration benefit value of various carbon sink spaces in the research scope comprises the following steps:
determining and numbering the building, green land and water area spaces in the research range;
calculating the area of the building, green land and water area of the research range;
determining building functions and green land vegetation coverage types within the research range;
and then calculating building carbon sequestration benefits, green land carbon sequestration benefits and water carbon sequestration benefits in the research area according to each type of carbon sequestration benefit estimation method in the research area to respectively obtain building total carbon sequestration benefit values, green land total carbon sequestration benefit values, water total carbon sequestration benefit values and campus total carbon sequestration benefit values.
4. The GIS-based refined campus carbon sink carbon sequestration benefit estimation and visualization method of claim 3, wherein the method is characterized by: the step of the carbon sequestration benefit of the building carbon sink space in the research scope in the step S3 comprises the following steps:
acquiring campus building carbon sink space attribute data, and inputting the campus building carbon sink space statistical data into a preset calculation formula to obtain a building carbon sink space carbon fixation benefit value;
the calculation formula of the carbon sink carbon fixation benefit value of the building is as follows:
V i ＝d·A sf
wherein,the total amount of carbon sink in the building; />Carbon sink coefficients of different building types; vi is carbon sink area of different building types, d is building height of different building types, A sf Is the base area of different building types;
building carbon sink coefficients are classified according to building functions, and as the residential land, public management land and public service land adopt concrete structures, and other land and building types in the land adopt brick-concrete structures, the building carbon sink coefficients of the university garden are determined as follows:
TABLE 1 carbon sink coefficients for buildings in university campuses
The steps of carbon sequestration benefit of the green land carbon sink space in the research range comprise:
acquiring campus green land carbon sink space attribute data, and inputting the campus green land carbon sink space statistical data into a preset calculation formula to obtain a green land carbon sink space carbon fixation benefit value:
wherein, C represents the sum of carbon sink amounts, n represents the number of greenbelts, i represents the ith greenbelt, ai represents the area of the ith greenbelt; ci represents the carbon sink coefficient of the ith green land, and is obtained from the plane drawing of the park according to the following table;
TABLE 2 greening carbon sink coefficients in university campus
The steps of carbon sequestration benefit of the water area carbon sink space in the research range comprise:
acquiring campus water area carbon sink space attribute data, inputting the campus water area carbon sink space statistical data into a preset calculation formula to obtain a water area carbon sink space carbon fixation benefit value:
the adopted water carbon sink calculation formula is as follows:
Wi＝Zi×Ai
Z＝Z1+Z2+Z3
w represents carbon sink of water body, i represents water area type
Z1 rate of carbon sink of water body
Z2 common aquatic plant carbon sink rate
Z3 bottom sediment carbon sequestration Rate
A: surface area of water
TABLE 3 variation of carbon emissions per unit area for different types of bodies of water
5. The GIS-based refined campus carbon sink carbon sequestration benefit estimation and visualization method of claim 4, wherein the method is characterized by: the step S5 of determining the visualization step of determining the carbon sequestration benefit value of each carbon sink space within the research scope includes:
adding data in ArcMAP10.8, and importing a campus plan;
adding the attribute and the carbon sequestration benefit value of various campus carbon sink spaces into the campus plane layer attribute;
the space distribution of the carbon sequestration benefit value of the carbon sink space is visualized on a plane in an Arcmap10.8 mode;
and (3) carrying out three-dimensional visualization on the campus in ArcScene 10.8, and visualizing the carbon sequestration benefit value of the carbon sink space in a three-dimensional model of the campus.
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