Monitoring Land Use Changes in the Yellow River Delta Using Multi-Temporal Remote Sensing Data and Machine Learning from 2000 to 2020

文献类型： 外文期刊

第一作者： Zhu, Yunyang

作者： Zhu, Yunyang;Zhu, Yunyang;Lu, Linlin;Li, Zilu;Yao, Yu;Wu, Wenjin;Zhu, Yunyang;Lu, Linlin;Li, Zilu;Yao, Yu;Wu, Wenjin;Li, Zilu;Wang, Shiqing;Pandey, Rajiv;Tariq, Aqil;Tariq, Aqil;Luo, Ke;Li, Qingting

作者机构：

关键词： land use change; machine learning; XGBoost; sustainable development; Yellow River Delta

期刊名称：REMOTE SENSING （ 影响因子：4.2； 五年影响因子：4.9 ）

ISSN：

年卷期： 2024 年 16 卷 11 期

页码：

收录情况： SCI

摘要： The Yellow River Delta (YRD), known for its vast and diverse wetland ecosystem, is the largest estuarine delta in China. However, human activities and climate change have significantly degraded the wetland ecosystem in recent decades in the YRD. Therefore, an understanding of the land use modifications is essential for the efficient management and preservation of ecosystems in this region. This study utilized time series of remote sensing data and the extreme gradient boosting method to generate land use maps of the YRD from 2000 to 2020. Several methods, including transition matrix, land use dynamic degree, and standard deviation ellipse, were employed to explore the characteristics of land use transitions. The results underscore significant spatial variations in land use over the past two decades. The most rapid increase was observed in built-up area, followed by terrestrial water and tidal flats, while unutilized land experienced the fastest decrease, followed by forest-grassland. The spatial distribution patterns of agricultural land, built-up area, terrestrial water, and forest-grassland demonstrated stronger directionality compared to other land use types. The wetlands have expanded in size and improved in structure. Unutilized land has been converted into artificial wetlands comprising ponds, reservoirs, salt ponds, shrimp and crab ponds, and natural wetlands featuring mudflats and forest-grassland. The wetland conservation efforts after 2008 have proven very effective, playing a positive role in ecological and environmental preservation, as well as in regional sustainable development.

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