Climate Carrying Capacity Assessment and Spatiotemporal Pattern Analysis of Eastern Qinghai Urban Agglomeration Based on Multi-source Data
In order to explore the interaction mechanism between urbanization and climate change in the plateau region.Starting from the basic connotation of climate carrying capacity,based on the interaction between climate conditions and human activities,and considering the dual attributes of climate resources and extreme climate events,this paper identifies and constructs a climate carrying capacity assessment index system including four elements of natural climate capacity,extreme climate event pressure,urban climate pressure and urban coordinated development capacity,and takes the urban agglomeration in eastern Qinghai as an example to apply the model and discuss the pattern of temporal and spatial distribution of climate carrying capacity and the change pattern of climate carrying capacity.The model was applied to explore the temporal and spatial distribution pattern and the change rule of cli-mate carrying capacity.The results show that from the perspective of temporal distribution,the climate carrying ca-pacity of the eastern urban agglomeration of Qinghai shows an overall decreasing trend from 2001 to 2020,and the fluctuation amplitude is larger due to the influence of the natural capacity of the climate and the pressure of extreme climate events.From the spatial distribution point of view,the eastern urban agglomeration of qinghai low and lower climate carrying capacity area is mainly concentrated in minhe-ledu-xining-huanghuangzhong along a large area,in the climate carrying capacity area scattered distribution in huangshui valley on both sides of the region,the high car-rying capacity and higher carrying capacity area is mainly distributed in the northwestern part of the region and the eastern part of the north area.The results suggest that the climate carrying capacity assessment index system estab-lished in this paper is reasonable and feasible for the eastern urban agglomeration of Qinghai,can describe the urban agglomeration of urban climate carrying capacity in the spatial and temporal pattern of the evolution of the process,can be used as a basis for early warning of climate change risk.