soil and atmosphere co 2 and δ 13 c profile collaborative observation system

An observation system, CO2 technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as non-existence

Inactive Publication Date: 2020-10-02
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, soil and atmospheric CO do not exist in the prior art 2 and δ 13 C-Profile Collaborative Observation System

Method used

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  • soil and atmosphere co <sub>2</sub> and δ <sup>13</sup> c profile collaborative observation system
  • soil and atmosphere co <sub>2</sub> and δ <sup>13</sup> c profile collaborative observation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] This example provides a soil and atmospheric CO 2 and δ 13 C profile collaborative observation system, which includes sampling system, calibration system, control system and analysis system.

[0037] The sampling system is used to collect the gas in the atmosphere and soil, and transport the collected gas in the atmosphere and soil to the analysis system through the control system; the sampling system includes a flux tower, a gas sampling probe, an atmospheric gas pipeline and Soil gas pipeline; the flux tower is fixed on the ground, and a plurality of gas-taking probes are arranged in sequence along the height direction on the flux tower, and the gas-taking probes are used to collect the atmosphere; as an implementation form, this implementation In an example, the number of the air-taking probes is 6.

[0038] The air-taking probe is connected to the atmospheric gas pipeline through a filter, so as to filter the dust in the atmosphere collected by the gas-taking prob...

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PUM

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Abstract

The invention discloses a cooperative observation system for a soil and atmosphere CO2 and delta 13C profile. The cooperative observation system for the soil and atmosphere CO2 and delta 13C profile comprises a sampling system, a calibrating system, a control system and an analyzing system; the sampling system collects gas in the atmosphere and soil; the control system controls switching of a gascircuit; the calibrating system carries out online calibration of the analyzing system; and the analyzing system detects CO2 and delta 13C in the atmosphere, and detects CO2 and delta 13C in the gas.According to the cooperative observation system for the soil and atmosphere CO2 and delta 13C profile, gas in the atmosphere and soil is collected through the sampling system, the collected gas in theatmosphere and soil is delivered to the control system; switching of the gas circuit is controlled through the control system; the analyzing system is subjected to online calibration through the calibrating system; and by the analyzing system, CO2 and delta 13C in the atmosphere are detected, CO2 and delta 13C in the gas in the soil are detected, and thus, the soil and atmosphere CO2 and delta 13C profile is cooperatively observed.

Description

technical field [0001] The invention relates to a comprehensive observation system of carbon dioxide isotope in soil biogeochemical process, especially relates to soil and atmospheric CO 2 and δ 13 C profile collaborative observation system. Background technique [0002] Soil and atmospheric CO 2 and δ 13 The detection of C profile is of great significance to the carbon cycle, through soil CO 2 and δ 13 The continuous measurement of the gradient diffusion of C flux will significantly improve the researchers' understanding of CO at different depths in the soil profile. 2 and δ 13 The cognitive ability of C characteristics and its migration mechanism; the development of online continuous observation technology has incomparable advantages over traditional isotope measurement techniques and methods, which will greatly promote scientists' understanding of the decomposition dynamics and mechanism of soil organic matter. [0003] However, soil and atmospheric CO do not exist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00
CPCG01N33/0031
Inventor 王晶苑温学发孙晓敏魏杰张光辉
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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