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Evaluation device and evaluation method for tidal influence on volatile halogenated hydrocarbon release in salt marsh

An evaluation device and volatile technology, applied in the field of salt marsh greenhouse gas emission research, can solve the problems of inconsistent research purposes and non-inclusion, and achieve the effect of saving manpower and material resources

Inactive Publication Date: 2019-10-25
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In the above-mentioned patent, the soil gas collection device can simultaneously observe the distribution and diffusion of soil gas at different depths, and can collect the gas of the farmland soil profile under the flooded state, and the opening and pores of the gas collection place are not easily blocked by particles. However, the above-mentioned patent is The field of soil gas collection technology is inconsistent with the research purpose of this patent, and the above patent only collects and detects gas, and does not include the regulation and control system for the factors that affect gas production

Method used

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  • Evaluation device and evaluation method for tidal influence on volatile halogenated hydrocarbon release in salt marsh
  • Evaluation device and evaluation method for tidal influence on volatile halogenated hydrocarbon release in salt marsh
  • Evaluation device and evaluation method for tidal influence on volatile halogenated hydrocarbon release in salt marsh

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Experimental program
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Effect test

Embodiment 1

[0039] Such as Figure 1-4 As shown, the tidal impact evaluation device for the release of volatile halogenated hydrocarbons in salt marshes includes a column 1 that places a wetland soil column with Suaeda salsa growing on it. The column 1 is made of transparent materials, and the column 1 is connected with In the seawater control device for injecting seawater into the cylinder 1, the seawater control device includes a reservoir 4 filled with seawater connected to the cylinder 1 through the water inlet pipe 2 and the water outlet pipe 3, and is arranged on the water inlet pipe 2 for controlling the water inlet. The water inlet solenoid valve 5 of the water pipe 2 switch is arranged on the water inlet pipe 2 and is used to suck the seawater in the reservoir 4 into the water pump 6 of the cylinder 1, and is arranged on the water outlet pipe 3 to control the water outlet electromagnetic valve of the water outlet pipe 3 switch. The valve 7 is a liquid level sensor installed insid...

Embodiment 2

[0061] Such as Figure 1-4 As shown, the tidal impact evaluation device for the release of volatile halogenated hydrocarbons in salt marshes includes a column 1 that places a column of wetland soil with reeds growing on it. The column 1 is made of transparent materials, and the A seawater control device for injecting seawater into the cylinder 1. The seawater control device includes a water storage tank 4 filled with seawater connected to the cylinder 1 through the water inlet pipe 2 and the water outlet pipe 3, and is arranged on the water inlet pipe 2 for controlling the water inlet pipe. 2 switch water inlet solenoid valve 5, set on the water inlet pipe 2, water pump 6 for sucking seawater in the reservoir 4 into the cylinder 1, and set on the water outlet pipe 3, water outlet solenoid valve for controlling the switch of the water outlet pipe 3 7. A liquid level sensor is installed inside the column body 1 to detect the liquid level in the column. The outlet pipe 3 is provi...

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Abstract

The invention relates to the salt marsh greenhouse gas emission research technology field and especially relates to an evaluation device and an evaluation method for a tidal influence on volatile halogenated hydrocarbon release in a salt marsh. The device comprises a cylinder, a seawater control device, a gas collection and detection device, an air exhausting device, a remote control end and a control system, wherein the cylinder is placed in a wetland soil column where vegetation is grown; the seawater control device is connected to the cylinder and is used for injecting seawater into the cylinder; the gas collection and detection device is connected to the cylinder and is used for collecting and detecting a gas generated in the cylinder; the air exhausting device is used for controllingcirculation and isolation of the gas in the cylinder and the outside world; the remote control end is used for carrying out remote control; and the control system is wirelessly or wiredly connected tothe remote control end. The control system comprises a controller. By using the device and the evaluation method of the invention, through simulating a tidal effect of seawater on salt marsh ecosystem waterflooding time and a waterflooding depth, a generated greenhouse gas emission flux can be conveniently, automatically and quickly detected. And then, a relationship between the tidal effect andsalt marsh greenhouse gas emission in an actual environment is acquired.

Description

technical field [0001] The invention relates to the technical field of research on greenhouse gas emission in salt marshes, in particular to an evaluation device and an evaluation method for the release of volatile halogenated hydrocarbons in salt marshes affected by tides. Background technique [0002] Although methyl halide is the simplest compound among volatile halogenated hydrocarbons, it is the main substance that destroys the ozone layer. Methyl halides mainly include methyl chloride (CH 3 Cl), methyl bromide (CH 3 Br) and methyl iodide (CH 3 I), where CH 3 The photochemical stability of I is low, and it is difficult to reach the ozone-rich stratosphere, so the ozone depletion potential is small, but CH 3 I is the dominant iodine-containing compound in the marine environment and plays an important role in the global biochemical cycle of iodine; CH 3 Cl and CH 3 Br has high photochemical stability and low water solubility, about 17% of chlorine and 34% of bromine...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00G01N1/24
CPCG01N1/24G01N33/0049
Inventor 谢文霞崔育倩杨瑞霞燕倩
Owner QINGDAO UNIV
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