From 2009 to 2019, tourism carbon emissions in the Yellow River Basin showed an increasing trend, with an average annual growth rate of 29.61%.
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Research on the estimation and spatial pattern of net tourism carbon emissions in the Yellow River Basin from 2009 to 2019.
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The sentences
It showed a trend of first decreasing and then increasing.
The number of cities with high levels of tourism carbon emissions showed a decreasing trend, and the spatial distribution of cities with medium and high levels of tourism carbon emissions did not change significantly.