Aerial seeding forest sandy soil organic carbon reserve measurement method

A technology for sandy soil and organic carbon, which is applied in the direction of chemical analysis by titration method, can solve the problems of many uncertain factors and large data errors, and achieve the effect of improving the estimation accuracy

Inactive Publication Date: 2013-04-03
NANJING UNIV OF INFORMATION SCI & TECH
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Problems solved by technology

Due to complex soil types, various changes, many uncertain factors, and large data errors, there are still many problems to be solved in accurately estimating soil organic carbon.

Method used

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  • Aerial seeding forest sandy soil organic carbon reserve measurement method

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Embodiment Construction

[0035] The technical problem to be solved by the invention is to conduct laboratory analysis and quantitative determination based on the principle of related carbon conversion, and conduct technical research and development for the assessment of carbon storage of aerial seedling forests. The method for measuring the organic carbon storage of sandy soil in aerial seeding forest of the present invention has the following main steps:

[0036] (1) Obtaining soil samples

[0037] Based on the identification and extraction of remote sensing information, nine soil sampling points were determined in different areas of the aerial seeding forest, combined with groundwater depth, tree species type, tree growth status, etc.; a standard soil profile of 100cm depth was excavated, and according to soil geography and soil taxonomy The principle is divided into one layer every 20cm; based on the understanding of the physical properties of each layer of soil, soil samples of each layer are collected...

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Abstract

The invention provides an aerial seeding forest sandy soil organic carbon reserve measurement method. The artificial forest sandy soil C reserve measurement accuracy is improved, and the planning, design and objective practice of CO2 biology emission reduction engineering taking tree planting and seeding as a core in an arid and semiarid area are guided.

Description

technical field [0001] The invention discloses a method for measuring organic carbon storage in sandy soil of artificial forests, which belongs to the fields of ecological engineering technology, environmental monitoring technology and the like. Background technique [0002] Ecosystem is an important resource for maintaining ecological stability and ensuring ecological security. Ecosystem is a functional unit composed of organisms and environment. As one of the important environmental factors of ecosystem, soil is an important medium for ecological function. As an important C pool in terrestrial ecosystems, soil carbon pool is an important part of the global carbon cycle and occupies a dominant position in the global C budget. There are large areas of sandy soil distributed in arid and semi-arid areas. The carbon cycle of this type of soil directly restricts the characteristics and laws of the ecological process of the ecosystem. [0003] Soil is an important component of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/16
Inventor 王让会曹华
Owner NANJING UNIV OF INFORMATION SCI & TECH
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