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Formulation of Measurement guidelines for Development and Validation of Greenhouse Gas Flux Observation Technology

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To achieve the goal of net-zero emissions by 2050, Taiwan has enacted the ‘Climate Change Response Act’ this year to strengthen regulatory policies. The act aims to address the severe global climate change phenomenon. Accurate measurement of the emissions of major greenhouse gases (CO2, CH4, and N2O) is a crucial basis for achieving the net-zero carbon emission goal. The project focuses on the agricultural system as the field for developing and validating greenhouse gas flux measurement technology. The project has set three-stage goals: (1) Collecting global technological development trends and planning the manpower and equipment required for the flux of three major greenhouse gases (GHGs) (CO2, CH4, and N2O). (2) Formulation of measurement guidelines for greenhouse gas flux observation technology to enhance the consistency and comparability of data interpretation. (3) Establishing an ecosystem GHGs flux measurement demonstration site for specific system setup, equipment verification, and flux calculation processes. The project has completed the following tasks: 1. Collecting and summarizing important greenhouse gas research literature, including three fields (agriculture, urban, and pollution emission sources). 2. Adopting data management specifications from the European Integrated Carbon Observation System (ICOS) and the Asia Flux for the precision and repeatability of flux measurement instrument standard testing methods. 3. Establishing a greenhouse gas flux measurement demonstration site in farmland. The construction and operation of the CO2, CH4, and N2O flux observation systems have been completed. 4. Completing two sessions of eddy covariance flux measurement technology workshops. This project is a significant step towards achieving the net-zero carbon emission goal. The proposed approach can be applied to assess the short and medium-term impacts of agricultural practices on greenhouse gas emissions, thereby providing an important reference for the implementation of sound policies.
Keyword
Agricultural Field, Greenhouse Gases, Eddy Covariance Method
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