The 30 m annual land cover dataset and its dynamics in China from 1990 to 2019

Land cover (LC) determines the energy exchange, water and carbon cycle between Earth's spheres. Gain for Green) in China and revealed the anthropogenic implications on LC under the condition of climate change, signifying its potential application in the global change research.

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• 1 Accurate LC information is a fundamental parameter for the environment and climate studies.
• 2 Considering that the LC in China has been altered dramatically with the economic development in the past few decades, sequential and fine-scale LC monitoring is in urgent need.
• 3 However, currently, fine-resolution annual LC dataset produced by the observational images is generally unavailable for China due to the lack of sufficient training samples and computational capabilities.

This research advances how AI systems learn, reason, and solve problems — with direct implications for automation and scientific discovery.

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