CN108776195A - Based on oxygen concentration to detect the method and system of forest land unit plane carbon distribution remittance amount - Google Patents
Based on oxygen concentration to detect the method and system of forest land unit plane carbon distribution remittance amount Download PDFInfo
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Abstract
The present invention provides a kind of method based on unit area forest land carbon remittance amount in the oxygen concentration detection unit interval, and the oxygen density value in forest land is measured according to preset interval；According to 0 oxygen density value and 24 oxygen density values, oxygen concentration difference is obtained；Oxygen concentration difference in unit interval is added to obtain oxygen concentration difference summation；Oxygen gross mass is obtained according to the volume of air on unit forest land area, oxygen concentration difference summation, oxygen density；Carbon dioxide quality is measured out according to oxygen gross mass, molecular weight of carbon dioxide and oxygen molecule；When carbon dioxide quality is positive value, carbon remittance amount is obtained.Implement the system of the above method, including oxygen concentration value detection device, oxygen concentration difference value calculation apparatus, oxygen concentration difference summation meter calculate device, analytical equipment a, oxygen gross mass computing device, carbon dioxide Mass Calculation device and analytical equipment.The present invention can precisely determine the forest of unit area within the unit interval to the uptake of carbon dioxide or discharge capacity.
Description
Technical field
The present invention relates to a kind of carbon remittance quantity measuring method, especially a kind of oxygen concentration that is based on is to detect forest land unit plane
The method and system of carbon distribution remittance amount.
Background technology
Quantitative study to Forestry Carbon Sink is one of the hot spot for inhibiting greenhouse gas emission with the whole world in recent years and presenting.Only
There is the carbon remittance amount to existing forest to quantify effectively assess the ability to pool carbon of forest there are one specific, to
Determine the task in the direction and reduction of greenhouse gas discharge of China's future forestry development.Therefore Forestry Carbon Mitigation metering method is that evaluation is gloomy
The element task of woods carbon remittance ecological benefits size, can carry out Forestry Carbon Mitigation management and economic evaluation, be comprehensive on this basis
Carry out by carbon converge for the purpose of orest management lay a solid foundation.Now both at home and abroad generally used carbon converge metering method be biomass,
Accumulation method, Biomass inventories method, vortex correlation method, vorticity covariance method and relaxation vortex backing space technique etc., these methods otherwise
It is so to hardly result in accurate data since sampling is difficult, otherwise it is difficult to promote to be the more accurate costliness of instrument applied
It uses.
Invention content
Shortcoming present in regarding to the issue above, the present invention, which provides one kind, precisely to determine forest to titanium dioxide
The uptake or discharge capacity of carbon, so that it is determined that forest land carbon remittance amount based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount
Method and system.
To achieve the above object, the present invention provide it is a kind of based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount
Method includes the following steps：
Step 1, in a complete annual cycles, the oxygen density value in forest land is measured according to preset assay intervals；
0 oxygen density value of the same day and 24 oxygen density values that step 2, basis measure, obtain same day oxygen concentration difference
Value；
Step 3 is added oxygen concentration difference daily in a complete year to obtain oxygen concentration difference summation, works as oxygen
When gas concentration difference summation is positive value, oxygen concentration difference summation is the total concentration of Plant emission oxygen；
Step 4, the volume of air according on unit forest land area, oxygen concentration difference summation and oxygen density obtain oxygen
Gas gross mass；
Step 5 measures out carbon dioxide quality according to oxygen gross mass, molecular weight of carbon dioxide and oxygen molecule；
Step 6, when carbon dioxide quality be positive value when, obtain the carbon remittance amount of unit forest land unit area.
The above-mentioned method based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, wherein in step 1, in woods
Ground center install oxygen concentration analytical equipment, by oxygen concentration analytical equipment in a complete annual cycles, continuously
24 hours and the 30 minutes oxygen density values for measuring forest land in interval.
The above-mentioned method based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, wherein in forest land center
It is also equipped with anemograph, detects the wind speed in forest land in real time by anemograph, and match with oxygen concentration detecting instrument
It closes, to choose the oxygen density value for being less than force 3 wind into diel 24 hours.
The above-mentioned method based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, wherein the oxygen concentration point
Analysis apparatus is fixed on the position of layer height under crown canopy with the anemograph.
The above-mentioned method based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, wherein in step 2, with working as
Its 24 oxygen density values subtract 0 oxygen density value of the same day, with obtained oxygen content concentration difference.
The above-mentioned method based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, wherein in step 4, step
Following steps：
Step 4.1, the total concentration x unit areas x (+20 meters of the mean stand height of trees) by Plant emission oxygen, obtain oxygen
Gas total volume；
Oxygen total volume x oxygen densities are obtained oxygen gross mass by step 4.2.
The above-mentioned method based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, wherein in step 5, by oxygen
Gas gross mass x molecular weight of carbon dioxide/oxygen molecule amount, to obtain carbon dioxide quality.
In addition, the present invention also provides a kind of system for implementing the above method simultaneously, including：
Oxygen concentration value detection device, in a complete annual cycles, woods to be measured according to preset assay intervals
The oxygen density value on ground；
Oxygen concentration difference value calculation apparatus, for according to 0 oxygen density value of the same day and 24 oxygen concentrations measured
Value calculates same day oxygen concentration difference；
Oxygen concentration difference summation meter calculates device, for oxygen concentration difference daily in a complete year to be added, with
Obtain oxygen concentration difference summation；
Analytical equipment a, for analyzing whether oxygen concentration difference summation is positive value, when determining oxygen concentration difference summation
For positive value when, oxygen concentration difference summation be Plant emission oxygen total concentration；
Oxygen gross mass computing device, for total according to volume of air, the oxygen concentration difference on unit forest land area
With with oxygen density to obtain oxygen gross mass；
Carbon dioxide Mass Calculation device, for according to oxygen gross mass, molecular weight of carbon dioxide and oxygen molecule amount with
Obtain carbon dioxide quality；
Analytical equipment b, for analyzing whether carbon dioxide quality is positive value, when determine carbon dioxide quality be positive value when,
Obtain the carbon remittance amount of unit forest land unit area.
Above-mentioned system, wherein the oxygen concentration value detection device include be mounted in forest land center and
Positioned at the oxygen concentration analytical equipment and anemograph of crown canopy lower layer height and position；
The oxygen concentration analytical equipment, in a complete annual cycles, continuous 24 hours and 30 points of interval
Clock measures the oxygen density value in forest land；
The anemograph is detected the wind speed in forest land by the anemograph, and is detected with oxygen concentration in real time
Instrument matches, to choose the oxygen density value for being less than force 3 wind into diel 24 hours.
Above-mentioned system, wherein the oxygen gross mass computing device, for the total concentration x of Plant emission oxygen is mono-
Plane accumulates x (+20 meters of the mean stand height of trees), obtains oxygen total volume, and oxygen total volume x oxygen densities are obtained oxygen
Gross mass.
Compared with prior art, the present invention has the following advantages：
The present invention is calculated by measuring the quantity that oxygen concentration changes in air in the woodland ecosystems unit interval
Release or the oxygen quality absorbed in the woodland ecosystems unit interval, then by formula scales at forest land unit interval interior suction
The carbon dioxide quality received or discharged, can precisely determine uptake or discharge capacity of the forest to carbon dioxide, so that it is determined that should
Forest land is carbon remittance or carbon source attribute, this is a kind of new Forestry Carbon Sink computational methods, under conditions of Global climate change
Eco-environmental Issues in China construction and formulation Forest Ecosystem Carbon remittance management game provide foundation.
Description of the drawings
Fig. 1 is the flow chart of method part in the present invention.
Specific implementation mode
As shown in Figure 1, the present invention provides a kind of method based on oxygen concentration to detect forest land area carbon remittance amount, including
Following steps：
Step 1, in a complete annual cycles, the oxygen density value in forest land is measured according to preset assay intervals.
Since the center in forest land more can accurately reflect that forest land absorbing carbon dioxide discharges the quantity variation of oxygen
Value, therefore, oxygen concentration analytical equipment and anemograph are to be arranged on forest land center, and will be with even
The oxygen concentration analytical equipment and anemograph of continuous observational record function are fixed on the position of layer height under crown canopy.
Oxygen concentration detecting instrument can be used in oxygen concentration analytical equipment.
In step 1, including following sub-step：
Step 11, oxygen concentration detecting instrument are in a complete annual cycles, continuous 24 hours and interval survey in 30 minutes
Obtain the oxygen density value in forest land；
Step 12, anemograph detect the wind speed in forest land in real time, and are matched with oxygen concentration detecting instrument, to choose
It is less than the oxygen density value of force 3 wind in diel 24 hours.
0 oxygen density value of the same day and 24 oxygen density values that step 2, basis measure, obtain same day oxygen concentration difference
Value.
In step 2,0 oxygen density value of the same day is subtracted with 24 oxygen density values of the same day, with obtained oxygen content
Concentration difference.
Step 3 mutually adds up oxygen concentration difference daily in a complete year to obtain oxygen concentration difference summation,
When oxygen concentration difference summation is positive value, oxygen concentration difference summation is the total concentration of Plant emission oxygen.
In addition, when oxygen concentration difference summation is negative value, oxygen concentration difference summation is the total dense of plant absorption oxygen
Degree.
Step 4, the volume of air according on the unit area of forest land, oxygen concentration difference summation and oxygen density obtain oxygen
Gas gross mass.
In step 4, step following steps：
Step 4.1, total concentration x unit areas (square metre) x (mean stand heights+20 of trees by Plant emission oxygen
Rice), obtain oxygen total volume；
Wherein, 20 meters are added in the mean stand height of trees, is that discharged oxygen influences when indicating trees photosynthesis
Height.
Oxygen total volume x oxygen densities (1.429 kilograms per cubic meter) are obtained oxygen gross mass by step 42.
Step 5 measures out carbon dioxide quality according to oxygen gross mass, molecular weight of carbon dioxide and oxygen molecule.
Wherein, by oxygen gross mass x molecular weight of carbon dioxide (molecular weight of carbon dioxide 44)/oxygen molecule amount (oxygen
Molecular weight is 32), to obtain carbon dioxide quality.
Step 6, when carbon dioxide quality be positive value when, obtain the carbon remittance amount of unit forest land area.
The present invention provides a kind of system for implementing the above method, including：
Oxygen concentration value detection device, in a complete annual cycles, woods to be measured according to preset assay intervals
The oxygen density value on ground.
Oxygen concentration value detection device includes being mounted in forest land center and being located at crown canopy lower layer height and position
Oxygen concentration analytical equipment and anemograph.
Since the center in forest land more can accurately reflect that forest land absorbing carbon dioxide discharges the quantity variation of oxygen
Value, therefore, oxygen concentration analytical equipment and anemograph are to be arranged on forest land center, and will be with even
The oxygen concentration analytical equipment and anemograph of continuous observational record function are fixed on the position of layer height under crown canopy.
Oxygen concentration detecting instrument can be used in oxygen concentration analytical equipment.Oxygen concentration detecting instrument is a complete week in year
In phase, continuous 24 hours and the 30 minutes oxygen density values for measuring forest land in interval；
Anemograph detects the wind speed in forest land in real time, and is matched with oxygen concentration detecting instrument, and diel is arrived to choose
It is less than the oxygen density value of force 3 wind in 24 hours.
Oxygen concentration difference value calculation apparatus, for according to 0 oxygen density value of the same day and 24 oxygen concentrations measured
Value calculates same day oxygen concentration difference.
Wherein, 0 oxygen density value of the same day is subtracted with 24 oxygen density values of the same day, with obtained oxygen content concentration
Difference.
Oxygen concentration difference summation meter calculates device, for oxygen concentration difference daily in a complete year to be added, with
Obtain oxygen concentration difference summation.
Analytical equipment a, for analyzing whether oxygen concentration difference summation is positive value, when determining oxygen concentration difference summation
For positive value when, oxygen concentration difference summation be Plant emission oxygen total concentration.
In addition, analytical equipment a, when it is negative value to analyze oxygen concentration difference summation, oxygen concentration difference summation is plant
Absorb the total concentration of oxygen.
Oxygen gross mass computing device, for according to oxygen concentration difference summation, with oxygen density to obtain the total matter of oxygen
Amount.
Oxygen gross mass computing device is used for total concentration x unit areas x (the average trees of trees of Plant emission oxygen
It is+20 meters high), obtain oxygen total volume, and oxygen total volume x oxygen densities are obtained into oxygen gross mass.
Wherein, by total concentration x unit areas (square metre) x (+20 meters of the mean stand height of trees) of Plant emission oxygen,
Obtain oxygen total volume.
Wherein, 20 meters are added in the mean stand height of trees, is that discharged oxygen influences when indicating trees photosynthesis
Height.
Oxygen total volume x oxygen densities (1.429 kilograms per cubic meter) are obtained into oxygen gross mass.
Carbon dioxide Mass Calculation device, for according to oxygen gross mass, molecular weight of carbon dioxide and oxygen molecule amount with
Obtain carbon dioxide quality.
Wherein, by oxygen gross mass x molecular weight of carbon dioxide (molecular weight of carbon dioxide 44)/oxygen molecule amount (oxygen
Molecular weight is 32), to obtain carbon dioxide quality.
Analytical equipment b, for analyzing whether carbonoxide quality is positive value, when determine carbon dioxide quality be positive value when, obtain
To the carbon remittance amount of unit forest land area.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for invention, and not restrictive
's.Those skilled in the art understand that in the spirit and scope defined by invention claim many changes can be carried out to it,
It changes or even equivalent, but falls in protection scope of the present invention.
Claims (10)
1. it is a kind of based on oxygen concentration in the method for detecting unit forest land carbon remittance amount, include the following steps：
Step 1, in a complete annual cycles, the oxygen density value in forest land is measured according to preset assay intervals；
0 oxygen density value of the same day and 24 oxygen density values that step 2, basis measure, obtain same day oxygen concentration difference；
Step 3 is added oxygen concentration difference daily in a complete year to obtain oxygen concentration difference summation, works as oxygen concentration
When difference summation is positive value, oxygen concentration difference summation is the total concentration of Plant emission oxygen；
Step 4, oxygen concentration difference summation, with oxygen density show that oxygen is total at the volume of air according on unit forest land area
Quality；
Step 5 measures out carbon dioxide quality according to oxygen gross mass, molecular weight of carbon dioxide and oxygen molecule；
Step 6, when carbon dioxide quality be positive value when, obtain the carbon remittance amount of unit forest land area.
2. the method according to claim 1 based on oxygen concentration to detect unit forest land area carbon remittance amount, feature exists
In, in step 1, oxygen concentration analytical equipment is installed in forest land center, it is complete at one by oxygen concentration analytical equipment
In whole annual cycles, continuous 24 hours and the 30 minutes oxygen density values for measuring forest land in interval.
3. the method according to claim 2 based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, feature exists
In being also equipped with anemograph in forest land center, detect the wind speed in forest land, and and oxygen in real time by anemograph
Concentration detector matches, to choose the oxygen density value for being less than force 3 wind into diel 24 hours.
4. the method according to claim 3 based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, feature exists
In the oxygen concentration analytical equipment is fixed on the position of layer height under crown canopy with the anemograph.
5. the method according to claim 1 based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, feature exists
In, in step 2,0 oxygen density value on the day of being subtracted with 24 oxygen density values of the same day, with obtained oxygen content concentration difference
Value.
6. the method according to claim 1 based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, feature exists
In, in step 4, step following steps：
Step 41, the total concentration x unit areas x (+20 meters of the mean stand height of trees) by Plant emission oxygen obtain oxygen totality
Product；
Oxygen total volume x oxygen densities are obtained oxygen gross mass by step 42.
7. the method according to claim 1 based on oxygen concentration to detect forest land unit plane carbon distribution remittance amount, feature exists
In in steps of 5, by oxygen gross mass x molecular weight of carbon dioxide/oxygen molecule amount, to obtain carbon dioxide quality.
8. a kind of system for implementing method described in claim 1, which is characterized in that including：
Oxygen concentration value detection device, in a complete annual cycles, forest land to be measured according to preset assay intervals
Oxygen density value；
Oxygen concentration difference value calculation apparatus, for according to 0 oxygen density value of the same day and 24 oxygen density values measured, calculating
Go out same day oxygen concentration difference；
Oxygen concentration difference summation meter calculates device, for oxygen concentration difference daily in a complete year to be added, to obtain
Oxygen concentration difference summation；
Analytical equipment a, for analyzing whether oxygen concentration difference summation is positive value, when determine oxygen concentration difference summation be positive value
When, oxygen concentration difference summation is the total concentration of Plant emission oxygen；
Oxygen gross mass computing device, for according to oxygen concentration difference summation, with oxygen density to obtain oxygen gross mass；
Carbon dioxide Mass Calculation device, for according to oxygen gross mass, molecular weight of carbon dioxide and oxygen molecule amount to obtain
Carbon dioxide quality；
Analytical equipment b, for analyzing whether carbon dioxide quality is positive value, when determine carbon dioxide quality be positive value when, obtain
The carbon remittance amount of forest land unit area.
9. system according to claim 8, which is characterized in that the oxygen concentration value detection device includes being mounted in
Forest land center and the oxygen concentration analytical equipment and anemograph for being located at crown canopy lower layer height and position；
The oxygen concentration analytical equipment, in a complete annual cycles, continuous 24 hours and interval measure for 30 minutes
The oxygen density value in forest land；
The anemograph, detects the wind speed in forest land by the anemograph in real time, and with oxygen concentration detecting instrument phase
Cooperation, to choose the oxygen density value for being less than force 3 wind into diel 24 hours.
10. system according to claim 8, which is characterized in that the oxygen gross mass computing device, for plant to be released
The total concentration x unit areas x (+20 meters of the mean stand height of trees) for putting oxygen, obtains oxygen total volume, and by oxygen total volume x
Oxygen density obtains oxygen gross mass.
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Cited By (2)
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| CN115235560A (en) * | 2022-09-19 | 2022-10-25 | 北京英视睿达科技股份有限公司 | Method, device, equipment and storage medium for evaluating carbon sink capacity of ecosystem |
| WO2023024798A1 (en) * | 2021-08-27 | 2023-03-02 | 邢长山 | Forestry carbon sequestration amount metering method based on oxygen concentration variation rule |
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