Research on remote sensing ecological livability index based on Google Earth Engine: a case study from Urumqi-Changji-Shihezi urban cluster.

Table 3 indicates that over 20 years, the area classified as Extremely Unlivable showed a trend of initial increase, followed by a decrease, and then another increase, mainly due to sand erosion caused by extreme weather events, resulting in fluctuations.

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The area of the Relatively Livable level fluctuated significantly over 20 years but overall showed a decreasing trend, with a reduction of 7.73%.

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