基于调研数据的河北平原农村温室气体核算

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摘要将农村温室气体排放途径划分为农业生产、畜牧养殖、垃圾污水处理和能源消耗4类,基于《省级温室气体排放清单指南》和IPCC碳排放清单编制方法提出各途径温室气体排放量计算方法,并针对河北省平原地区316个行政村进行核算.借助K均值聚类算法,根据各途径排放的CO₂当量将全部村落划分为3类,并对各类型村落温室气体排放特征进行分析.结果表明:调研农村CO₂排放主要来源于能源消耗,占比在70.9%-75.5%; CH₄排放主要来源于畜牧养殖和垃圾污水处理,合计占比在73.2%-94.7%; N₂O排放主要来源于农业生产,占比在52.3%-84.7%;能源消耗是农村CO₂当量排放的主要来源,其次是农业生产和畜牧养殖;节能仍是目前农村地区降低碳排放的有效途径,同时应当注意农田和养殖动物的科学管理,提高垃圾和污水的收集与规范化处理水平.

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	侯越斌
	徐伟
	王选
	郁泽君

关键词 ：平原地区, 农村温室气体排放, 聚类分析, 节能减排

Abstract：In this paper, rural greenhouse gas (GHG) emission pathways are divided into 4 categories: agricultural production, animal husbandry, waste treatment, and energy consumption. The GHG emission calculation methods of each pathway were proposed based on the Guidelines for Provincial GHG Emission Inventories and the IPCC carbon emission inventory compilation method. Accounting was conducted for 316 villages in the plain area of Hebei Province. Utilizing the K-means clustering algorithm, all villages were divided into three categories according to the CO₂ equivalent emissions from each pathway, and the GHG emission characteristics of each type were analyzed. The results indicate that in the investigated rural areas, CO₂ emissions mainly came from energy consumption, accounting for 70.9% to 75.5%; CH₄ emissions mainly came from animal husbandry and waste treatment, totaling 73.2% to 94.7%; N₂O emissions predominantly arise from agricultural production, accounting for 52.3% to 84.7%. Energy consumption was the main source of CO₂ equivalent emissions, followed by agricultural production and animal husbandry. Energy conservation remains an effective approach for reducing carbon emissions in rural areas. At the same time, attention should also be paid to the management of farmland and livestock, and improving the collection and standardized treatment of garbage and sewage.

Key words： plain area rural greenhouse gas emissions cluster analysis energy conservation and carbon emission reduction

收稿日期: 2023-08-13

PACS:

X511

基金资助:“十四五”国家重点研发计划项目(2022YFC3803300)

通讯作者: 徐伟,研究员,xuwei19@126.com E-mail: xuwei19@126.com

引用本文:

侯越斌, 徐伟, 王选, 郁泽君. 基于调研数据的河北平原农村温室气体核算[J]. 中国环境科学, 2024, 44(4): 1816-1825. HOU Yue-bin, XU Wei, WANG Xuan, YU Ze-jun. Calculation and analysis of greenhouse gas emissions in plain rural areas of Hebei Province based on survey data. CHINA ENVIRONMENTAL SCIENCECE, 2024, 44(4): 1816-1825.

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