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Open box system for determining whole tree gas exchange

A technique of gas exchange, trees, applied in the fields of botanical equipment and methods, gardening, gardening tools/equipment, etc.

Inactive Publication Date: 2010-01-13
SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an open-circuit box-type system for measuring the gas exchange of the whole tree which is economical, practical, wide in scope of application, convenient for transformation and simple in operation, so as to solve the problem of mature observation system which is not reliable in use, easy to operate and commercialized in the prior art. The system is directly applied to the observation of gas exchange at the level of a single tree (that is, the whole tree), filling the gap in the gas exchange observation system of the whole tree

Method used

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  • Open box system for determining whole tree gas exchange
  • Open box system for determining whole tree gas exchange
  • Open box system for determining whole tree gas exchange

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Embodiment Construction

[0027] Such as figure 1 Shown, the present invention measures the open-circuit box type system of whole tree gas exchange mainly to have six parts:

[0028] Lifting equipment, air buffer box, box body, base, piping system and gas analyzer, the box body used to seal the tree under test is connected with the lifting equipment, the box body is set on the base, the air buffer box is connected with the box body, and gas analysis The sensor of the instrument communicates with the box through the piping system. The specific structure is as follows:

[0029] Lifting equipment: hanger type. First, a beam 7 is built along the east-west direction directly above the tree E to be tested, and a pulley 8 is installed in the middle of the beam 7 . Crossbeam 7 heights are 2-3 times of casing C height, and length is advisable that casing C can lift loosely. Then, a set of winching device 9 of rope 6 is placed on the ground to control the lifting of casing C. One end of the rope 6 is connec...

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Abstract

The invention relates to plant-atmosphere gas exchange determination technology, in particular to an open box system for determining whole tree gas exchange, which solves the problems that the prior art has no mature observation system with reliable use, simple and convenient operation and commercialization directly applied to single plant level gas exchange observation and the like. The system comprises lifting equipment, an air buffer box, a box body, a base, a piping system and a gas analyzer, wherein the box body used for closing determined tree is connected with the lifting equipment and arranged on the base; the air buffer box is communicated with the box body; and a sensor of the gas analyzer is communicated with the box body through the piping system. The system can realize simultaneous observation of gas concentration of CO2 and H2O of the whole tree, automatically acquire and store data, and automatically monitor air temperature of the box body, relative air humidity, photosynthetic active radiation, atmospheric pressure and other environment factors, and is favorable for research and application of tree gas exchange.

Description

technical field [0001] The invention relates to a gas exchange measurement technology between plants and the atmosphere, in particular to an open-circuit box-type system for measuring the gas exchange of whole trees, which is an open-circuit box-type system capable of gas exchange of whole trees. Background technique [0002] Since the industrial revolution, due to the intensification of human activities, the resource-consuming social development model has begun to expand viciously, leading to drastic changes in the processes of the earth's climate system and the earth's ecosystem. These include the increase in atmospheric CO due to the burning of fossil fuels 2 As the concentration of greenhouse gases continues to rise, the carbon cycle and carbon exchange are disturbed, and the carbon balance in nature is disrupted. There are also strong impacts of land cover change and irrational use of water resources on the water cycle of terrestrial ecosystems. The interaction of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/00
Inventor 袁凤辉关德新
Owner SHENYANG INST OF APPLIED ECOLOGY - CHINESE ACAD OF SCI
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