CN117269076B - Detection method and detection device for detecting near-surface atmosphere by using carbon detector - Google Patents
Detection method and detection device for detecting near-surface atmosphere by using carbon detector Download PDFInfo
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- CN117269076B CN117269076B CN202311541298.2A CN202311541298A CN117269076B CN 117269076 B CN117269076 B CN 117269076B CN 202311541298 A CN202311541298 A CN 202311541298A CN 117269076 B CN117269076 B CN 117269076B
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- methane
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- surface atmosphere
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 85
- 238000001514 detection method Methods 0.000 title claims abstract description 46
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 192
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 190
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 95
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 95
- 230000004907 flux Effects 0.000 claims abstract description 40
- 230000001360 synchronised effect Effects 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims description 3
- 238000005315 distribution function Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims 2
- 239000005431 greenhouse gas Substances 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006012 detection of carbon dioxide Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/004—Specially adapted to detect a particular component for CO, CO2
Abstract
The application discloses a detection method and a detection device for detecting near-surface atmosphere by using a carbon detector, wherein the detection method for detecting the near-surface atmosphere by using the carbon detector comprises the following steps: the satellite constellation carries a hyperspectral carbon detector and a spatial heterodyne spectrometer to run in a solar synchronous orbit; the spatial heterodyne spectrometer observes carbon dioxide and methane in the near-surface atmosphere; when the spatial heterodyne spectrometer observes carbon dioxide or methane, the hyperspectral carbon detector detects the carbon dioxide and methane to obtain a carbon flux of the near-surface atmosphere. The detection device comprises: satellite constellation, spatial heterodyne spectrometer and hyperspectral carbon detector. The method has the advantages of extremely accurate detection result, improvement of the acquisition efficiency of the greenhouse gas emission and the like.
Description
Technical Field
The application relates to the technical field of near-surface atmosphere detection, in particular to a detection method and a detection device for detecting near-surface atmosphere by using a carbon detector.
Background
Carbon dioxide and methane are greenhouse gases, the emission of the greenhouse gases can warm the earth, the melting of the glaciers at the south and north poles is accelerated, the earth biological communities are destroyed and even biological species are extinct, so that the emission of the greenhouse gases is very important to manage, and the premise of managing the emission of the greenhouse gases is to accurately estimate the emission of the greenhouse gases.
Disclosure of Invention
In order to optimize the related traditional scheme, the application provides a detection method and a detection device for detecting the near-surface atmosphere by using a carbon detector.
In a first aspect, the present application provides a method for detecting a near-surface atmosphere using a carbon detector, which may include the steps of:
the satellite constellation carries a hyperspectral carbon detector and a spatial heterodyne spectrometer to run in a solar synchronous orbit;
the spatial heterodyne spectrometer observes carbon dioxide and methane in the near-surface atmosphere;
when the spatial heterodyne spectrometer observes carbon dioxide or methane, the hyperspectral carbon detector detects the carbon dioxide and methane to obtain a carbon flux of the near-surface atmosphere.
In the technical scheme, the spatial heterodyne spectrometer is adopted to observe the carbon dioxide and the methane in the near-surface atmosphere, and then the hyperspectral carbon detector is adopted to detect the carbon dioxide and the methane observed by the heterodyne spectrometer to obtain the carbon flux of the near-surface atmosphere, so that the emission of greenhouse gases is obtained, the carbon flux of the near-surface atmosphere is obtained in a targeted manner instead of the diffuse non-destination manner, the carbon flux obtaining efficiency of the near-surface atmosphere is effectively improved, the obtaining efficiency of the emission of greenhouse gases is improved, the sensitivity of the hyperspectral carbon detector is high, and the detection result of the carbon flux of the near-surface atmosphere is very accurate.
The solution of the first aspect of the present application may be further configured in a preferred example to:
the step of detecting carbon dioxide and methane in the near-surface atmosphere with the spatial heterodyne spectrometer comprises the steps of:
detecting carbon dioxide and methane on a two-dimensional plane determined by a straight line between the satellite and the earth and a solar synchronous orbit;
and detecting carbon dioxide and methane from the direction parallel to the sun synchronous track on the basis of multi-angle detection along the sun synchronous track, so as to obtain the three-dimensional spatial distribution of the carbon dioxide and the methane in the near-surface atmosphere.
By adopting the technical scheme, the carbon dioxide and methane in the near-surface atmosphere can be detected rapidly.
The solution of the first aspect of the present application may be further configured in a preferred example to:
in the step of detecting carbon dioxide and methane from the parallel solar synchronous orbit direction on the basis of detecting from a plurality of angles along the solar synchronous orbit to obtain the three-dimensional spatial distribution of the carbon dioxide and the methane in the near-surface atmosphere, the function of the three-dimensional spatial distribution of the carbon dioxide and the methane in the near-surface atmosphere is expressed as follows:
，
wherein,for three-dimensional space distribution function->Is of circumference rate>To->As a function of the base of the exponentiation,for the abscissa of the observed carbon dioxide or methane in three-dimensional space, < >>For the vertical coordinate of carbon dioxide or methane observed in three-dimensional space, < >>Is the vertical coordinate of carbon dioxide or methane observed in three dimensions.
By adopting the technical scheme, the three-dimensional spatial distribution of the carbon dioxide and the methane in the near-surface atmosphere can be conveniently obtained.
The solution of the first aspect of the present application may be further configured in a preferred example to:
in the step of carrying the hyperspectral carbon detector and the spatial heterodyne spectrometer on the satellite constellation to run in the solar synchronous orbit, the hyperspectral carbon detector is a double-channel compact hyperspectral carbon detector.
By adopting the technical scheme, the accuracy of acquiring the carbon flux detection can be improved.
The solution of the first aspect of the present application may be further configured in a preferred example to:
in the step of detecting the carbon dioxide and methane by the hyperspectral carbon detector to obtain the carbon flux of the near-surface atmosphere when the carbon dioxide or methane is observed by the spatial heterodyne spectrometer, the method of obtaining the carbon flux of the near-surface atmosphere is as follows:
，
wherein,carbon flux for near surface atmosphere, +.>Carbon flux for carbon dioxide in near surface atmosphere, < ->Carbon flux for methane in near surface atmosphere, +.>For detecting the total duration of carbon dioxide and methane, +.>Is a positive integer>Is a positive integer which is used for the preparation of the high-voltage power supply,is the flow of carbon dioxide in the near-surface atmosphere, +.>Is the methane flow in the near-surface atmosphere, +.>Is the concentration of carbon dioxide in the near-surface atmosphere, +.>Is the methane concentration in the near-surface atmosphere.
By adopting the technical scheme, the carbon flux of the near-surface atmosphere can be rapidly obtained.
In a second aspect, the present application provides a detection apparatus for implementing the above detection method for detecting a near-surface atmosphere using a carbon detector, which may include:
the satellite constellation is used for carrying the hyperspectral carbon detector and the spatial heterodyne spectrometer to run in the sun synchronous orbit;
the spatial heterodyne spectrometer is used for observing carbon dioxide and methane in the near-surface atmosphere;
and the hyperspectral carbon detector is used for detecting the carbon dioxide and the methane when the space heterodyne spectrometer observes the carbon dioxide or the methane so as to acquire the carbon flux of the near-surface atmosphere.
The aspect of the second aspect of the present application may be further configured in a preferred example to:
the spatially heterodyne spectrometer may include:
and the carbon dioxide and methane detection module is used for detecting carbon dioxide and methane on the two-dimensional plane, which is determined by the straight line between the satellite and the earth and the solar synchronous orbit.
The aspect of the second aspect of the present application may be further configured in a preferred example to:
the spatially heterodyne spectrometer may include:
and the carbon dioxide and methane three-dimensional distribution detection module is used for detecting the carbon dioxide and the methane in the direction of transversely crossing the solar synchronous track on the basis of multi-angle detection along the solar synchronous track to obtain the three-dimensional distribution of the carbon dioxide and the methane in the near-surface atmosphere.
The aspect of the second aspect of the present application may be further configured in a preferred example to:
the detecting device may further include:
and the three-dimensional space distribution function construction module is used for constructing a function of three-dimensional space distribution of carbon dioxide and methane in the near-surface atmosphere.
The aspect of the second aspect of the present application may be further configured in a preferred example to:
the detecting device may further include:
a near-surface atmospheric carbon flux acquisition module for calculating a near-surface atmospheric carbon flux.
In summary, compared with the prior art, the application has at least the following beneficial effects:
according to the detection method for detecting the near-surface atmosphere by using the carbon detector, the spatial heterodyne spectrometer is adopted to observe the carbon dioxide and the methane in the near-surface atmosphere, and then the hyperspectral carbon detector is adopted to detect the carbon dioxide and the methane observed by the heterodyne spectrometer to obtain the carbon flux of the near-surface atmosphere, so that the emission of greenhouse gases is obtained, the carbon flux of the near-surface atmosphere is obtained in a targeted manner instead of the diffuse non-destination manner, the carbon flux obtaining efficiency of the near-surface atmosphere is effectively improved, the obtaining efficiency of the emission of greenhouse gases is improved, the sensitivity of the hyperspectral carbon detector is high, and the detection result of the carbon flux of the near-surface atmosphere is very accurate.
Drawings
FIG. 1 is a flow chart of a detection method for detecting near-surface atmosphere by using a carbon detector according to the present application.
Fig. 2 is a block diagram of a detection device of the present application.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the flow chart of the detection method for detecting the near-surface atmosphere by using the carbon detector in the embodiment specifically includes the following steps:
s1, carrying a hyperspectral carbon detector and a spatial heterodyne spectrometer on a satellite constellation to run in a solar synchronous orbit, wherein the height of the solar synchronous orbit is 492km;
s2, observing carbon dioxide and methane in the near-surface atmosphere by the spatial heterodyne spectrometer;
and S3, when the spatial heterodyne spectrometer observes carbon dioxide or methane, the hyperspectral carbon detector detects the carbon dioxide and methane to obtain the carbon flux of the near-surface atmosphere.
For rapid detection of carbon dioxide and methane in the near-surface atmosphere, the step of detecting carbon dioxide and methane in the near-surface atmosphere by the spatial heterodyne spectrometer comprises the steps of:
detecting carbon dioxide and methane on a two-dimensional plane determined by a straight line between the satellite and the earth and a solar synchronous orbit;
and detecting carbon dioxide and methane from the direction parallel to the sun synchronous track on the basis of multi-angle detection along the sun synchronous track, so as to obtain the three-dimensional spatial distribution of the carbon dioxide and the methane in the near-surface atmosphere.
In order to facilitate the understanding of the three-dimensional spatial distribution of carbon dioxide and methane in the near-surface atmosphere, the three-dimensional spatial distribution of carbon dioxide and methane in the near-surface atmosphere is obtained by detecting carbon dioxide and methane from the parallel sun-synchronous orbit direction on the basis of detection from a plurality of angles along the sun-synchronous orbit, and the function of the three-dimensional spatial distribution of carbon dioxide and methane in the near-surface atmosphere is expressed as follows:
，
wherein,for three-dimensional space distribution function->Is of circumference rate>To->As a function of the base of the exponentiation,for the abscissa of the observed carbon dioxide or methane in three-dimensional space, < >>For the vertical coordinate of carbon dioxide or methane observed in three-dimensional space, < >>Is the vertical coordinate of carbon dioxide or methane observed in three dimensions.
In order to improve accuracy of carbon flux detection, the satellite constellation is provided with a hyperspectral carbon detector and a space heterodyne spectrometer which run in a solar synchronous orbit, wherein the hyperspectral carbon detector is a 1575nm and 1650nm double-channel compact hyperspectral carbon detector.
In order that the carbon flux of the near-surface atmosphere can be rapidly obtained, in the step of detecting the carbon dioxide and methane by the hyperspectral carbon detector to obtain the carbon flux of the near-surface atmosphere when the carbon dioxide or methane is observed by the spatial heterodyne spectrometer, the method of obtaining the carbon flux of the near-surface atmosphere is as follows:
，
wherein,carbon flux for near surface atmosphere, +.>Carbon flux for carbon dioxide in near surface atmosphere, < ->Carbon flux for methane in near surface atmosphere, +.>For detecting the total duration of carbon dioxide and methane, +.>Is a positive integer>Is a positive integer which is used for the preparation of the high-voltage power supply,is the flow of carbon dioxide in the near-surface atmosphere, +.>Is the methane flow in the near-surface atmosphere, +.>Is the concentration of carbon dioxide in the near-surface atmosphere, +.>Is the methane concentration in the near-surface atmosphere.
The block diagram of the detection device for implementing the detection method for detecting the near-surface atmosphere by using the carbon detector in this embodiment is shown in fig. 2, and the detection device specifically may include:
the satellite constellation is used for carrying the hyperspectral carbon detector and the spatial heterodyne spectrometer to run in the sun synchronous orbit;
the spatial heterodyne spectrometer is used for observing carbon dioxide and methane in the near-surface atmosphere;
and the hyperspectral carbon detector is used for detecting the carbon dioxide and the methane when the space heterodyne spectrometer observes the carbon dioxide or the methane so as to acquire the carbon flux of the near-surface atmosphere.
The spatial heterodyne spectrometer may include:
and the carbon dioxide and methane detection module is used for detecting carbon dioxide and methane on the two-dimensional plane, which is determined by the straight line between the satellite and the earth and the solar synchronous orbit.
The spatial heterodyne spectrometer may include:
and the carbon dioxide and methane three-dimensional distribution detection module is used for detecting the carbon dioxide and the methane in the direction of transversely crossing the solar synchronous track on the basis of multi-angle detection along the solar synchronous track to obtain the three-dimensional distribution of the carbon dioxide and the methane in the near-surface atmosphere.
The detection device specifically may further include:
and the three-dimensional space distribution function construction module is used for constructing a function of three-dimensional space distribution of carbon dioxide and methane in the near-surface atmosphere.
The detection device specifically may further include:
a near-surface atmospheric carbon flux acquisition module for calculating a near-surface atmospheric carbon flux.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (6)
1. The detection method for detecting the near-surface atmosphere by using the carbon detector is characterized by comprising the following steps of:
the satellite constellation carries a hyperspectral carbon detector and a spatial heterodyne spectrometer to run in a solar synchronous orbit;
the spatial heterodyne spectrometer observes carbon dioxide and methane in the near-surface atmosphere;
when the spatial heterodyne spectrometer observes carbon dioxide or methane, the hyperspectral carbon detector detects the carbon dioxide and methane to obtain a carbon flux of the near-surface atmosphere;
the step of detecting carbon dioxide and methane in the near-surface atmosphere with the spatial heterodyne spectrometer comprises the steps of:
detecting carbon dioxide and methane on a two-dimensional plane determined by a straight line between the satellite and the earth and a solar synchronous orbit;
detecting carbon dioxide and methane from the direction of parallel solar synchronous tracks on the basis of detecting from a plurality of angles along the solar synchronous tracks to obtain three-dimensional spatial distribution of the carbon dioxide and the methane in the near-surface atmosphere;
in the step of detecting carbon dioxide and methane from the parallel solar synchronous orbit direction on the basis of detecting from a plurality of angles along the solar synchronous orbit to obtain the three-dimensional spatial distribution of the carbon dioxide and the methane in the near-surface atmosphere, the function of the three-dimensional spatial distribution of the carbon dioxide and the methane in the near-surface atmosphere is expressed as follows:
，
wherein,for three-dimensional space distribution function->Is of circumference rate>To->As a function of the base of the exponentiation,for the abscissa of the observed carbon dioxide or methane in three-dimensional space, < >>For the vertical coordinate of carbon dioxide or methane observed in three-dimensional space, < >>Vertical coordinates in three-dimensional space for observed carbon dioxide or methane;
in the step of carrying a hyperspectral carbon detector and a spatial heterodyne spectrometer on a satellite constellation to run in a solar synchronous orbit, the hyperspectral carbon detector is a double-channel compact hyperspectral carbon detector;
in the step of detecting the carbon dioxide and methane by the hyperspectral carbon detector to obtain the carbon flux of the near-surface atmosphere when the carbon dioxide or methane is observed by the spatial heterodyne spectrometer, the method of obtaining the carbon flux of the near-surface atmosphere is as follows:
，
wherein,carbon flux for near surface atmosphere, +.>Carbon flux for carbon dioxide in near surface atmosphere, < ->Carbon flux for methane in near surface atmosphere, +.>For detecting the total duration of carbon dioxide and methane, +.>Is a positive integer>Is a positive integer which is used for the preparation of the high-voltage power supply,is the flow of carbon dioxide in the near-surface atmosphere, +.>Is the methane flow in the near-surface atmosphere, +.>Is the concentration of carbon dioxide in the near-surface atmosphere, +.>Is the methane concentration in the near-surface atmosphere.
2. A detection apparatus for implementing the detection method for detecting a near-surface atmosphere using a carbon detector according to claim 1, comprising:
the satellite constellation is used for carrying the hyperspectral carbon detector and the spatial heterodyne spectrometer to run in the sun synchronous orbit;
the spatial heterodyne spectrometer is used for observing carbon dioxide and methane in the near-surface atmosphere;
and the hyperspectral carbon detector is used for detecting the carbon dioxide and the methane when the space heterodyne spectrometer observes the carbon dioxide or the methane so as to acquire the carbon flux of the near-surface atmosphere.
3. The detection apparatus according to claim 2, wherein the spatial heterodyne spectrometer comprises:
and the carbon dioxide and methane detection module is used for detecting carbon dioxide and methane on the two-dimensional plane, which is determined by the straight line between the satellite and the earth and the solar synchronous orbit.
4. A detection apparatus according to claim 3, wherein the spatial heterodyne spectrometer comprises:
and the carbon dioxide and methane three-dimensional distribution detection module is used for detecting the carbon dioxide and the methane in the direction of transversely crossing the solar synchronous track on the basis of multi-angle detection along the solar synchronous track to obtain the three-dimensional distribution of the carbon dioxide and the methane in the near-surface atmosphere.
5. The probe apparatus of claim 4, further comprising:
and the three-dimensional space distribution function construction module is used for constructing a function of three-dimensional space distribution of carbon dioxide and methane in the near-surface atmosphere.
6. The probe apparatus of claim 5, further comprising:
a near-surface atmospheric carbon flux acquisition module for calculating a near-surface atmospheric carbon flux.
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