CN220104854U - Soil respiration intensity monitoring equipment for urban green land - Google Patents
Soil respiration intensity monitoring equipment for urban green land Download PDFInfo
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- CN220104854U CN220104854U CN202320624778.4U CN202320624778U CN220104854U CN 220104854 U CN220104854 U CN 220104854U CN 202320624778 U CN202320624778 U CN 202320624778U CN 220104854 U CN220104854 U CN 220104854U
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- CN
- China
- Prior art keywords
- sampling
- gas cylinder
- respiration intensity
- air
- urban green
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- 238000004158 soil respiration Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims description 11
- 238000012806 monitoring device Methods 0.000 claims description 6
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 5
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 5
- 239000001110 calcium chloride Substances 0.000 claims description 5
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 5
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 5
- 239000002689 soil Substances 0.000 abstract description 15
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The urban green land soil respiration intensity monitoring equipment is characterized in that the lower end of a comparison gas cylinder is sealed, the upper end of the comparison gas cylinder is provided with a gas hole for acquiring air outside the ground surface, the lower end of a sampling gas cylinder is opened and buckled on the ground surface of a land block to be detected, the comparison gas cylinder and the sampling gas cylinder are both provided with gas pumps, the outlet ends of the two gas pumps are connected with a transmission pipeline, and the transmission pipeline is connected with an online infrared gas analyzer. The air hole of the sampling air bottle through which the air outside the ground passes is pumped into the online infrared gas analyzer by the air pump to be analyzed as reference data of a comparison group, the ground air to be detected is sent into the online infrared gas analyzer by the air pump to be analyzed, the data of the comparison group are removed to obtain the respiration intensity data of the soil, the time domain curve data of the respiration intensity of the soil can be obtained through long-time monitoring, automatic sampling can be carried out, the sampling interval and the sampling time length of each time are set, the sampling volume is controlled, and the method is suitable for monitoring the soil in urban green areas for a long time to be popularized and used.
Description
Technical Field
The utility model relates to the technical field of soil respiration intensity detection, in particular to soil respiration intensity monitoring equipment for urban green lands.
Background
Soil respiration intensity refers to the amount of carbon dioxide that diffuses out of the soil per unit area per unit time. In recent years, with global climate change research, soil respiration has become one of the hot spots of public and scientific interest. As the only output path of the soil carbon reservoir and the important source of atmospheric carbon dioxide, the accurate measurement and continuous monitoring of the soil respiration intensity have very important significance. The urban green land ecological system is used as an important component of the global ecological system, and the green land soil is used as an important carbon reservoir of the urban green land ecological system, and has the characteristics different from farmland and forest soil: the artificial disturbance is big, and improvement material kind is many, soil structure is chaotic etc. consequently, develop urban green space soil respiration intensity's monitoring can provide scientific data support for greenery patches ecosystem promotes.
At present, the respiration intensity of forest soil is measured by a barium hydroxide absorption-capacity method (LY/T1220-1999), the measurement device of the respiration intensity of the soil adopted in the experiment is simpler, and a large amount of solution is required in the titration step during the field measurement, so that manual titration is performed, the manpower is consumed, and the requirement of long-term monitoring cannot be met.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the soil respiration intensity monitoring equipment for the urban green land, which is used for automatically detecting and monitoring the soil respiration intensity, and has the advantages of convenient and quick measurement, accurate result, simple structure, low cost and convenient popularization and use.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a soil respiration intensity monitoring facilities for urban green land, include the contrast gas cylinder and the sampling gas cylinder of being connected with online infrared gas analyzer, contrast gas cylinder lower extreme seals, and the upper end is equipped with the gas pocket and is used for acquireing the surperficial air, sampling gas cylinder lower extreme opening and detain in the earth's surface of waiting to detect the land parcel, and contrast gas cylinder and sampling gas cylinder all are equipped with the air pump, and the exit end and the transmission pipeline of two air pumps are connected, and transmission pipeline is connected with online infrared gas analyzer.
The lower end of the sampling gas cylinder is provided with a bayonet which is embedded into the ground surface to prevent gas leakage.
The drying pipe is arranged on the transmission pipeline.
The drying tube contains calcium chloride and copper sulfate.
The flowmeter is arranged on the transmission pipeline.
The above-mentioned flowmeter is located between the drying tube and the on-line infrared gas analyzer.
According to the soil respiration intensity monitoring equipment for the urban green land, the air holes of the sampling air cylinders through which the air outside the ground passes are pumped into the online infrared gas analyzer by the air pump to be analyzed as reference data of the comparison group, the ground air of the land to be detected is sent into the online infrared gas analyzer by the air pump to be analyzed, the respiration intensity data of the soil can be obtained by removing the data of the comparison group, the time domain curve data of the soil respiration intensity can be obtained by long-time monitoring, automatic sampling can be performed, sampling intervals and sampling time length of each time are set, and the sampling volume is controlled, so that the equipment is suitable for long-time monitoring of the soil popularization and use in the urban green land.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic structural view of the present utility model.
In the figure: the device comprises a land block 1 to be detected, a reference gas cylinder 2, an air hole 3, a sampling gas cylinder 4, an air pump 5, a drying pipe 6, a flowmeter 7, an online infrared gas analyzer 8, a transmission pipeline 9 and a bayonet 10.
Detailed Description
As shown in fig. 1, the soil respiration intensity monitoring device for urban green land comprises a comparison gas cylinder 2 and a sampling gas cylinder 4 which are connected with an online infrared gas analyzer 8, wherein the lower end of the comparison gas cylinder 2 is sealed, the upper end of the comparison gas cylinder is provided with a gas hole 3 for obtaining air outside the ground surface, the lower end of the sampling gas cylinder 4 is opened and buckled on the ground surface of a land block 1 to be detected, the comparison gas cylinder 2 and the sampling gas cylinder 4 are respectively provided with an air pump 5, the outlet ends of the two air pumps 5 are connected with a transmission pipeline 9, and the transmission pipeline 9 is connected with the online infrared gas analyzer 8.
The air hole 3 of the sampling air bottle 4 through which the air outside the earth surface passes is pumped into the online infrared gas analyzer 8 by the air pump 5 to be analyzed as reference data of a comparison group, the earth surface air of the land block 1 to be detected is sent into the online infrared gas analyzer 8 by the air pump 5 to be analyzed, the data of the comparison group are removed to obtain the respiration intensity data of the soil, and the time domain curve data of the respiration intensity of the soil can be obtained through long-time monitoring.
The lower end of the sampling gas cylinder 4 is provided with a bayonet 10, and the bayonet 10 is embedded into the ground to prevent gas leakage.
Air outside the surface of the earth is mixed into the cylinder by the bayonet 10, resulting in inaccurate test data.
The above-mentioned transmission pipeline 9 is provided with a drying pipe 6.
The drying tube 6 contains calcium chloride and copper sulfate.
The moisture in the air is removed by filtering out calcium chloride and copper sulfate, and the calcium chloride and copper sulfate in the drying pipe 6 are replaced periodically.
The flow meter 7 is provided on the transfer pipe 9.
The flowmeter 7 is used for measuring or controlling the volume of gas entering the online infrared gas analyzer 8, can obtain quantitative data except percentages, the flowmeter 7 and the online infrared gas analyzer 8 are connected with the input end of the same controller, the air pump 5 is electrically connected with the output end of the controller, the respiration intensity of soil can be automatically and periodically detected, the sampling interval and the sampling duration of each time can be set, and the sampling volume is controlled, so that automatic sampling is achieved.
The above-mentioned flowmeter 7 is located between the drying pipe 6 and the on-line infrared gas analyzer 8.
The flow rate of the dried air is measured, so that the breath intensity can be detected more accurately.
Claims (6)
1. Soil respiration intensity monitoring facilities, characterized by are used in urban green land: including control gas cylinder (2) and the sampling gas cylinder (4) of being connected with online infrared gas analyzer (8), control gas cylinder (2) lower extreme seals, and the upper end is equipped with gas pocket (3) and is used for obtaining the surperficial air, sampling gas cylinder (4) lower extreme opening and detain in the earth's surface of waiting to detect land parcel (1), control gas cylinder (2) and sampling gas cylinder (4) all are equipped with air pump (5), and the exit end and the transmission pipeline (9) of two air pumps (5) are connected, and transmission pipeline (9) are connected with online infrared gas analyzer (8).
2. The urban green land soil respiration intensity monitoring device according to claim 1, characterized in that the lower end of the sampling gas cylinder (4) is provided with a bayonet (10), and the bayonet (10) is embedded into the ground to prevent air leakage.
3. The urban green land soil respiration intensity monitoring device according to claim 2, characterized in that the transmission pipeline (9) is provided with a drying pipe (6).
4. A soil respiration intensity monitoring device for urban green lands according to claim 3, characterized in that the drying pipe (6) contains calcium chloride and copper sulfate.
5. The urban green land soil respiration intensity monitoring device according to claim 4, characterized in that the transmission pipeline (9) is provided with a flowmeter (7).
6. The urban green land soil respiration intensity monitoring device according to claim 5, characterized in that said flowmeter (7) is located between the drying pipe (6) and the on-line infrared gas analyzer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320624778.4U CN220104854U (en) | 2023-03-27 | 2023-03-27 | Soil respiration intensity monitoring equipment for urban green land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320624778.4U CN220104854U (en) | 2023-03-27 | 2023-03-27 | Soil respiration intensity monitoring equipment for urban green land |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220104854U true CN220104854U (en) | 2023-11-28 |
Family
ID=88864940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320624778.4U Active CN220104854U (en) | 2023-03-27 | 2023-03-27 | Soil respiration intensity monitoring equipment for urban green land |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220104854U (en) |
-
2023
- 2023-03-27 CN CN202320624778.4U patent/CN220104854U/en active Active
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