2023-03-302024-05-13https://scholars.lib.ntu.edu.tw/handle/123456789/653277全球暖化下導致氣候劇烈變化，降雨分布不均導致旱澇情形越來越嚴重，對於農業生產造成相當大的影響，也影響農業土壤碳匯與溫室氣體排放。因此，盡早重新更新農業土壤碳匯與溫室氣體排放量測並建立預測參數，對於未來碳匯與排放模式預測為當前最為急迫之目標。本計畫將蒐集和分析各國土壤碳匯計量方法學，國立臺灣大學農業試驗場安坑分場(又稱安康農場)為模擬專案場域進行水稻耕種試驗，以驗證方法和參數，並建議適合本土之計量方法學和作業程序和參數。同時，進行傳統持續湛水耕種和節水灌溉耕種之水稻種植試驗，以建立土壤碳排係數量測方法和土壤碳匯基準值，簡化並優化土壤溫室氣體與土壤碳匯量測方法，並提供相關方法學量測關鍵週期和參數，並完成水稻一期作之土壤碳排和碳匯量測。所獲致之結果將有助於精進我國國家溫室氣體排放清冊數據，以全面促進我國減排、增匯及循環效益，進而做為碳權交易之基礎。 Global warming has led to drastic climate change, with uneven rainfall distribution causing increasingly severe droughts and floods. This has had a significant impact on agricultural production, as well as on the carbon sink and greenhouse gas emissions of agricultural soil in Taiwan. Therefore, it is urgent to update the data of agricultural soil carbon sink and greenhouse gas emissions and establish more accurate parameters for future carbon sink and emission patterns. This project aims to collect and analyze various methods of measurement, reporting, and verification of soil carbon sinks in different countries for tracking and reporting greenhouse gas emissions from farmland soils. The Ankang Branch of the Agricultural Experiment Station at National Taiwan University will serve as a simulated test project site for rice cultivation experiments to verify the methods and parameters and propose suitable local MRV methodology and operating procedures and parameters. At the same time, experiments will be conducted on traditional continuous flooding cultivation and water-saving irrigation cultivation (i.e., alternative wetting and drying; AWD) of rice to establish a method for measuring soil carbon emissions and a baseline for soil carbon sinks. The soil greenhouse gas and carbon sink measurement methods will be simplified and optimized, and the relevant measurement key periods and parameters will be provided. The soil carbon emissions and carbon sink of one rice cultivation period will be measured. The results obtained will help to refine the national greenhouse gas emission inventory data in Taiwan, promote comprehensive emission reduction, carbon sink enhancement, and circular economy benefits, and serve as the basis for carbon trading.土壤碳匯;土壤碳排;水田;溫室氣體;節水灌溉;Soil carbon stock; Soil carbon emission; Paddy field; Greenhouse gas; Alternative wetting and drying;