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Collection device of greenhouse gases at different depths of soil section

A technology for collecting greenhouse gases and gases, applied in measurement devices, sampling, instruments, etc., can solve the problems of unsuitable long-term continuous observation, complicated operation, and low quality of collected data, and achieve the effects of simple structure, easy operation and low cost.

Inactive Publication Date: 2013-08-28
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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  • Abstract
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Problems solved by technology

[0009] The purpose of the present invention is to provide a greenhouse gas collection device with different depths of soil profile to solve the existing problems in the prior art, such as complicated operation, low quality of collected data, or unsuitable for long-term continuous observation, etc.

Method used

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  • Collection device of greenhouse gases at different depths of soil section
  • Collection device of greenhouse gases at different depths of soil section
  • Collection device of greenhouse gases at different depths of soil section

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Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] figure 1 and figure 2 The structure of the preferred embodiment of the present invention is shown in different ways. It should be noted in advance that, for the sake of emphasis, some structures of the preferred embodiment of the present invention may only be composed of figure 1 shown, or only by figure 2 show.

[0026]As shown in the figure, the preferred embodiment 1 of the present invention includes a top gas collection tube 1, a middle gas collection tube 2 and a middle gas collection tube 3 with identical structures, a bottom cover 8, and a connection device connecting two adjacent cylinders. Those skilled in the art should understand that the number of central gas collection cylinders is not limited to two cylinders such as central gas collection cylinder 2 and central gas collection cylinder 3, and different number...

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Abstract

The invention provides a collection device of greenhouse gases at different depths of a soil section. The collection device comprises a top gas collection barrel, at least one middle gas collection barrel, a bottom cover and connection devices, wherein the connection devices are arranged between the top gas collection barrel and the middle gas collection barrel, and between the middle gas collection barrel and the bottom cover, and are used for connecting the top gas collection barrel, the middle gas collection barrel and the bottom cover to form a detachable whole body. According to the collection device disclosed by the invention, the greenhouse gases at the different depths of soil can be accurately and continuously collected; and the collection device is simple in structure and easy to operate.

Description

technical field [0001] The invention relates to a gas collection device, in particular to a greenhouse gas collection device with different depths of soil profiles. Background technique [0002] Global climate change is a hot issue in current scientific research, and its impact on the earth's ecological environment is becoming increasingly prominent. At present, it is generally believed that climate warming is the result of changes in the global carbon cycle (C cycle). Soil is the largest terrestrial C pool on Earth and is the source of atmospheric CO 2 About 2 / 3 (1400-1500Gt) of C in the world is stored in the soil in organic form, which is 2-3 times the C pool of terrestrial vegetation and more than twice the global atmospheric C pool. CO released by soil respiration 2 Accounting for 25% of global C exchanges. [0003] Soil respiration is the exchange of CO between the soil and the atmosphere 2 The process is the result of soil carbon assimilation and dissimilation ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/26
Inventor 娄金勇武兰芳王吉顺赵风华王春晶蔡晓光
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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