A method for accounting for natural resources based on value analysis

Abstract

This invention provides a method for accounting for implicit natural resources based on value analysis, comprising the following steps: Step 1, establishing an implicit natural resource accounting framework for different production sectors within a country; Step 2, collecting data on natural resource consumption and value calculation parameters required through the implicit natural resource accounting framework; Step 3, calculating the total implicit natural resource utilization of national production sectors and the total implicit natural resource flow between national production sectors using the implicit natural resource accounting framework and the collected data. This invention establishes an implicit natural resource accounting framework for different production sectors within a country, and by using collected data on natural resource consumption and value intensity, along with calculation formulas, can accurately calculate the total implicit natural resource utilization of different production sectors and the total flow between production sectors. This reveals the utilization status and dynamic evolution patterns of implicit natural resources in different production sectors, providing effective data support for improving my country's sustainable natural resource management system.

Description

Technical Field

[0001] This invention relates to the field of natural resource data analysis technology, and in particular to a method based on... Implicit natural resource accounting methods based on value analysis. Background Technology

[0002] China possesses the world's most comprehensive production system to meet domestic and international demand, but this has resulted in massive consumption of natural resources. Simultaneously, due to insufficient resource utilization and an incomplete industrial chain, China is facing a severe resource crisis. The massive consumption of natural resources has also brought about a series of environmental problems, such as air and water pollution, solid waste, soil pollution, and climate change. Against this backdrop, it is urgent to clarify the characteristics of natural resource utilization in different production sectors at the national level to provide support for the sustainable management of natural resources.

[0003] However, existing technologies lack methods for quantitative analysis of implicit natural resources that encompass the initial inputs and pollutant emissions of the economic system. They cannot accurately describe the utilization patterns of different types of natural resources in different production sectors, as well as the flow patterns of implicit natural resources between sectors, thus failing to provide data support for improving my country's sustainable natural resource management system. Summary of the Invention

[0004] In view of the shortcomings of the prior art described above, the object of the present invention is to provide a method based on... The implicit natural resource accounting method based on value analysis is used to solve the problem that existing technologies cannot accurately describe the utilization patterns of different types of natural resources in different production sectors and the flow patterns of implicit natural resources between sectors.

[0005] To solve the above-mentioned technical problems, the present invention is implemented in the following manner: a method based on The implicit natural resource accounting method of value analysis includes the following steps:

[0006] Step 1: Establish an implicit natural resource accounting framework for different production sectors of the country;

[0007] Step two, collect the consumption of natural resources and... through the implicit natural resource accounting framework. Parameter data required for value calculation;

[0008] Step 3: Calculate the total amount of implicit natural resource utilization in national production sectors and the total amount of implicit natural resource flows between national production sectors using the implicit natural resource accounting framework and the data collected in Step 2.

[0009] To further address the technical problems to be solved by this invention, this invention provides a method based on... In the implicit natural resource accounting method of value analysis, the implicit natural resource accounting framework includes energy and material resources. Value intensity calculation method, indirect environmental input resources Methods for calculating equivalent value, methods for calculating the balance of natural resources in national production sectors, methods for calculating the total amount of implicit natural resource utilization in national production sectors, and methods for calculating the total amount of implicit natural resource flows between national production sectors.

[0010] To further address the technical problems to be solved by this invention, this invention provides a method based on... In the implicit natural resource accounting method of value analysis, the energy material resources The formula for calculating the intensity value is as follows:

[0011] E x =∑ i n i (μ i -μ i0 )+RT0∑ i n i ln(c i / c i0 ),

[0012] Where Ex represents a certain energy or material resource. Value intensity, n i Let μ be the molar quantity of the i-th component. i Let be the chemical potential of the i-th component, R be the ideal gas constant, T0 be the reference ambient temperature, and c be the chemical potential of the i-th component. i Let c be the content of the i-th component. i0 This refers to the environmental state.

[0013] To further address the technical problems to be solved by this invention, this invention provides a method based on... In the implicit natural resource accounting method of value analysis, the environmental indirect input resources Value equivalent calculation methods include solid waste Value equivalent calculation method and wastewater and waste gas Equivalent value calculation method.

[0014] To further address the technical problems to be solved by this invention, this invention provides a method based on... In the implicit natural resource accounting method of value analysis, the solid waste The formula for calculating the equivalent value is as follows:

[0015] E xs =M s / 2.84×67.12,

[0016] Among them, E xs For solid waste Value equivalent, M s This refers to the amount of solid waste discarded.

[0017] To further address the technical problems to be solved by this invention, this invention provides a method based on... In the implicit natural resource accounting method of value analysis, the wastewater and waste gas The value equivalent calculation method includes the additional amount required to dilute the pollutant to reach the background concentration. Values ​​and the damage caused by pollutants to natural systems Calculate the equivalent value;

[0018] The formula for calculating the additional water or air mass required to dilute pollutants is:

[0019] M e =p e / c×ρ-M d ,

[0020] Among them, M e To dilute the pollutants, additional water or air is needed, p e Where c is the pollutant emission amount, ρ is the background concentration, and M is the density of water or air. d The amount of water or air that has been discharged;

[0021] Pollutants damage natural systems The formula for calculating the equivalent value is:

[0022] E h =p e ×PDF×E bio ,

[0023] Among them, E h For environmental damage Value equivalent, p e For a specified pollutant emission level, PDF represents the proportion of species occurrence or extinction caused by that pollutant, and E represents the percentage of such occurrence or extinction. bio The amount required for one unit of biological resources per year value.

[0024] To further address the technical problems to be solved by this invention, this invention provides a method based on... In the implicit natural resource accounting method of value analysis, the calculation method of the total amount of implicit natural resource utilization in the national production sector includes calculating the implicit natural resources required for the production of imported goods in the national production sector.

[0025] To further address the technical problems to be solved by this invention, this invention provides a method based on... In the implicit natural resource accounting method of value analysis, the implicit natural resources required for the production of imported goods by the national production sector are assumed. The intensity value is the same as that in China, and is expressed as The national production sector natural resource balance calculation method includes a first natural resource balance calculation method and a second natural resource balance calculation method;

[0026] The calculation formula for the first natural resource balance calculation method is:

[0027] F D +ε1Zε2Pε1X,

[0028] in, P = p j ], X = x ij (When i = j, x) ij =x j When i = j, x ij =0), ε1 = [ε ki ], ε2=[ε 2k ], j represents one of the country's production sectors;

[0029] Let each natural resource be the initial input in different forms for different production sectors of the country. For values ​​of equal intensity, the calculation formula for the second natural resource balance calculation method is as follows:

[0030] ε2P sum =ε1W D ,

[0031] Among them, P sum For every natural resource initially invested The sum of the values ​​of intensity The formula for calculating ε1 is:

[0032]

[0033] Where, f = F D X -1 I is the identity matrix, and A = ZX -1 ,

[0034] To further address the technical problems to be solved by this invention, this invention provides a method based on... In the implicit natural resource accounting method of value analysis, the calculation method of the total amount of implicit natural resource flow between national production sectors includes calculating the amount of implicit natural resources flowing in from other production sectors and the amount of implicit natural resources flowing to other production sectors.

[0035] To further address the technical problems to be solved by this invention, this invention provides a method based on... In the implicit natural resource accounting method of value analysis, the resource utilization time series evolution characteristics of implicit natural resources are generated by the data calculated in step three.

[0036] As described above, one of the present invention is based on The implicit natural resource accounting method based on value analysis, through ingenious design, constructs an implicit natural resource accounting framework for different production sectors within a country, employing collected data on natural resource consumption and... The intensity data and calculation formulas can accurately calculate the total amount of implicit natural resource utilization in different production sectors and the total amount of flow between production sectors, thereby revealing the implicit natural resource utilization and dynamic evolution of different production sectors, and providing effective data support for improving my country's sustainable natural resource management system. Attached Figure Description

[0037] Figure 1 This is shown as an embodiment of the present invention based on... A flowchart of the implicit natural resource accounting method in value analysis;

[0038] Figure 2 This is shown as an embodiment of the present invention based on... A schematic diagram of implicit natural resource flows in the implicit natural resource accounting method of value analysis. Detailed Implementation

[0039] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0040] Please see Figures 1 to 2 This invention provides a method based on The implicit natural resource accounting method of value analysis includes the following steps:

[0041] Establish an implicit natural resource accounting framework for different production sectors within the country. This implicit natural resource accounting framework includes energy and material resources. Value intensity calculation method, indirect environmental input resources Methods for calculating equivalent value, methods for calculating the balance of natural resources in national production sectors, methods for calculating the total amount of implicit natural resource utilization in national production sectors, and methods for calculating the total amount of implicit natural resource flows between national production sectors.

[0042] Natural resources are categorized into five main types: fossil fuel resources, biomass resources, mineral resources, direct environmental input resources, and indirect environmental input resources. A summary of each type of natural resource is shown in Table 1.

[0043] Table 1

[0044]

[0045]

[0046] Energy Material Resources The formula for calculating the intensity value is as follows:

[0047] E x =∑ i n i (μ i -μ i0 )+RT0∑ i n i ln(c i / c i0 ),

[0048] Where Ex represents a certain energy or material resource. Intensity value, in units of Jex / unit; n i μ represents the molar quantity of the i-th component, in mol. i Let be the chemical potential of the i-th component, in J / mol; R be the ideal gas constant, in 8.314 J / mol / K; T0 be the reference ambient temperature, in K; c i c represents the content of the i-th component, expressed in mol / unit. i0 This refers to the environmental state.

[0049] Indirect environmental resource inputs Value equivalent calculation methods include solid waste Value equivalent calculation method and wastewater and waste gas Equivalent value calculation method.

[0050] solid waste The formula for calculating the equivalent value is as follows:

[0051] E xs =M s / 2.84×67.12,

[0052] Among them, E xs For solid waste Value equivalent, in Jex; M s The amount of solid waste discarded is expressed in tons (t).

[0053] Wastewater and waste gas The value equivalent calculation method includes the additional amount required to dilute the pollutant to reach the background concentration. Values ​​and the damage caused by pollutants to natural systems The equivalent value is calculated.

[0054] The formula for calculating the additional water or air mass required to dilute pollutants is:

[0055] M e =p e / c×ρ-M d ,

[0056] Among them, M e The additional water or air required to dilute pollutants, measured in tons (t); p e c represents pollutant emissions in tons (t); c represents background concentration in tons per cubic meter (t / m³). 3 ρ is the density of water or air, measured in tons per cubic meter (t / m³). 3 M d This represents the amount of water or air discharged, expressed in tons (t). Since water or air can dilute multiple pollutants simultaneously, only the maximum value is considered in the calculation.

[0057] Pollutants damage natural systems The formula for calculating the equivalent value is:

[0058] E h =p e ×PDF×E bio ,

[0059] Among them, E h For environmental damage Value equivalent, in Jex; p e The emission amount of the specified pollutant is expressed in kg; PDF represents the proportion of species occurrence or disappearance caused by the specified pollutant (in PDF·m). 2 •Measured by yr / kg), E bio The amount required for one unit of biological resources per year Value, unit is Jex / m 2 / yr.

[0060] Based on the calculated direct natural resource utilization The value is used to calculate implicit natural resources in conjunction with the national input-output table. At the national level, production sectors are divided into 35 categories, summarized in Table 2.

[0061] Table 2

[0062]

[0063] The calculation method for the total amount of implicit natural resources used by the national production sector includes the calculation of the implicit natural resources required for the production of imported goods in the national production sector.

[0064] Assume the implicit natural resources required for the production of imported goods in the national production sector. The intensity value is the same as that in China, and is expressed as The national production sector's natural resource balance calculation methods include the first natural resource balance calculation method and the second natural resource balance calculation method.

[0065] The calculation formula for the first natural resource balance calculation method is:

[0066] F D +ε1Zε2Pε1X,

[0067] in, P = p j ], X = x ij (When i = j, x) ij =x j When i = j, x ij =0), ε1 = [ε ki ], ε2=[ε 2k ], j represents one of the country's production sectors;

[0068] Since the input-output table does not provide a matrix relating initial inputs to final uses, let's assume that each type of natural resource represents different forms of initial input in different production sectors of the country. For values ​​of equal intensity, the calculation formula for the second natural resource balance calculation method is as follows:

[0069] ε2P sum =ε1W D ,

[0070] Among them, P sum For every natural resource initially invested The sum of the values ​​of intensity The formula for calculating ε1 is:

[0071]

[0072] Where, f = F D X -1 I is the identity matrix, and A = ZX -1 ,

[0073] Based on the feasibility of data collection, the time frame of the system is determined. In this embodiment, the time frame for the dynamic changes in the implicit natural resources of national production sectors is defined as 2002, 2007, 2012, and 2017.

[0074] Collect data on natural resource consumption and... through an implicit natural resource accounting framework. The parameters and data required for value accounting can be collected through statistical yearbooks, internet platforms, literature reviews, and field surveys. (Energy and Material Resource Chemistry) The intensity values ​​are summarized in Table 3, and the data required for indirect environmental resources are summarized in Table 4.

[0075] Table 3

[0076]

[0077]

[0078]

[0079] Table 4

[0080] Wastewater-CDO 20 (mg / L) - <![CDATA[Wastewater - NH4 - N]]> 1 (mg / L) - Wastewater - Volatile Phenols 0.005 (mg / L) - Wastewater-cyanide 0.2 (mg / L) - Wastewater - Petroleum 0.05 (mg / L) - Wastewater - Total Phosphorus 0.2 (mg / L) - Wastewater-Cd 0.005 (mg / L) 480 Wastewater - Cr 0.05 (mg / L) 68.7 Wastewater-Pb 0.05 (mg / L) 7.39 Wastewater - As 0.05 (mg / L) 11.4 Wastewater-Hg 0.001 (mg / L) 197 Exhaust gas and smoke <![CDATA[200(μg / m 3 )]]> - <![CDATA[Exhaust gas - SO2]]> <![CDATA[60(μg / m 3 )]]> 1.041 <![CDATA[Exhaust gas - NO X > <![CDATA[50(μg / m 3 )]]> 5.713

[0081] The implicit natural resource accounting framework and collected data are used to calculate the total implicit natural resource utilization of national production sectors and the total implicit natural resource flows between national production sectors. The calculation method for the total implicit natural resource flows between national production sectors includes calculating the amount of implicit natural resources flowing into other production sectors and the amount of implicit natural resources flowing to other production sectors.

[0082] The formula for calculating the total implicit natural resource utilization of different production sectors is as follows:

[0083] TNR=F D +ε1Z+ε2P,

[0084] Where, TNR=[tnr kj [Represents the kth implicit natural resource of department j]

[0085] The formula for calculating the total amount of implicit natural resource flows between national production sectors is as follows:

[0086]

[0087] Where, INR = [inr ij ] represents the implicit total amount of natural resources flowing from sector i to sector j, ε sum,i =∑ε ki This represents the total natural resource intensity of sector i. Finally, the time series evolution characteristics of resource utilization implicit in natural resources are generated through the calculated data.

[0088] In summary, the present invention is based on This invention presents a value-based method for calculating implicit natural resources. Through ingenious design, it establishes a framework for calculating implicit natural resources across different production sectors in China. By utilizing collected data on natural resource consumption and value intensity, along with calculation formulas, it can accurately calculate the total amount of implicit natural resource utilization and inter-sectoral flows across different production sectors. This reveals the utilization status and dynamic evolution patterns of implicit natural resources in different production sectors, providing effective data support for improving my country's sustainable natural resource management system. Therefore, this invention effectively overcomes the shortcomings of existing technologies and achieves better practical results.

[0089] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A method based on The implicit natural resource accounting method based on value analysis is characterized by, Includes the following steps: Step 1: Establish an implicit natural resource accounting framework for different production sectors of the country; Step two, collecting the consumption of natural resources and the value accounting parameters data required for accounting. Step 3: Calculate the total amount of implicit natural resource utilization in national production sectors and the total amount of implicit natural resource flows between national production sectors using the implicit natural resource accounting framework and the data collected in Step 2. The implicit natural resource accounting framework includes energy material resources Value intensity calculation method, environmental indirect input resources Value equivalent calculation method, national production sector natural resource balance calculation method, national production sector implicit natural resource utilization total calculation method, national production sector implicit natural resource flow total calculation method The method for calculating the total amount of implicit natural resources used by the national production sector includes calculating the implicit natural resources required for the production of imported goods in the national production sector.

2. A method according to claim 1, wherein the method is based on The implicit natural resource accounting method based on value analysis, characterized in that: The energy substance resource The calculation formula of the value intensity calculation method is: Among them, E x For a certain energy or material resource Value intensity, n i Let μ be the molar quantity of the i-th component. i Let be the chemical potential of the i-th component, R be the ideal gas constant, T0 be the reference ambient temperature, and c be the chemical potential of the i-th component. i Let c be the content of the i-th component. i0 This refers to the environmental state.

3. A method according to claim 1, wherein the method is based on The implicit natural resource accounting method based on value analysis, characterized in that: The environmental indirect input resource value equivalent calculation method includes a solid waste value equivalent calculation method and a wastewater and waste gas value equivalent calculation method value equivalent calculation method.

4. A method according to claim 3, wherein the method is based on The implicit natural resource accounting method based on value analysis, characterized in that: The solid waste The formula for calculating the equivalent value is as follows: where E xs is solid waste is the value equivalent, M s is the amount of solid waste discarded.

5. A method based on claim 3 The implicit natural resource accounting method based on value analysis is characterized by: The wastewater exhaust gas The value equivalent calculation includes calculating the additional value of the pollutant to reach the background concentration of the dilution value equivalent of the pollutant to the damage caused to the natural system The formula for calculating the additional mass of water or air required to dilute pollutants is: Among them, M e To dilute the pollutants, additional water or air is needed, p e Where ρ is the pollutant emission amount, c is the background concentration, ρ is the density of water or air, and M is the density of water or air. d The amount of water or air that has been discharged; Pollutants cause damage to natural systems The formula for calculating the value equivalent is: where E h is the environmental damage value, p e is the emission of a specified pollutant, PDF is the proportion of the appearance and disappearance of a species caused by the specified pollutant, E bio is the value of the biological resources required per unit per year .

6. A system according to claim 1, wherein the system is based on The implicit natural resource accounting method based on value analysis, characterized in that: The method for calculating the total amount of implicit natural resource flows between national production sectors includes calculating the amount of implicit natural resources flowing into other production sectors and the amount of implicit natural resources flowing to other production sectors.

7. A system according to claim 1, wherein the system is based on The implicit natural resource accounting method based on value analysis, characterized in that: The time series evolution characteristics of resource utilization of implicit natural resources are generated from the data calculated in step three.

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