Spatial-temporal characteristics and decoupling effects of agricultural carbon emissions in Gansu
Based on the development status of continuous growth of agricultural carbon emissions in Gansu,this paper uses the carbon emission coefficient method to estimate and analyze the total amount,intensity and structure of agricultural carbon emissions in Gansu from 2010 to 2021 on a spatial-temporal scale,and compares the regional differences of agricultural carbon emissions among 14 cities and prefectures in Gansu.Then,the Tapio decoupling model is used to analyze the decoupling relationship between agricultural carbon emissions and agricultural economic development.The results show that since 2010,the total agricultural carbon emissions in Gansu showed a three-stage change trend of"rapid rise-rapid decline-rapid rise",which was vividly represented as"N"shape.Most of the total carbon emissions of the cities and prefectures in Gansu experienced a long-term evolution process of first rising and then falling,showing a spatial distribution pattern of"high in the middle and low at both ends".During the rapid development of animal husbandry,the total agricultural carbon emissions of some cities and prefectures increased significantly.Agricultural carbon emissions and agricultural economy in Gansu experienced a change process of"weak decoupling-strong decoupling-weak decoupling",and the decoupling trend was good during the investigation period.