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A new method for evaluating the coordinated relationship between vegetation greenness and urbanization
Huimeng Wang1, Chuanwen Yang1, Yong Sun2
1School of Surveying and Geo-Informatics, Shandong Jianzhu University, Jinan, 250101, Shandong, China.
Scientific Reports
|February 18, 2025
Summary
A new index shows vegetation greenness and urbanization are mostly coordinated in China's Yellow River Basin, with improving trends. Scientific talent can further enhance this sustainable development.
Area of Science:
- Environmental Science
- Urban Planning
- Remote Sensing
Background:
- Assessing the relationship between vegetation greenness and urbanization is vital for public health and sustainable development.
- Existing methods often oversimplify urbanization indicators and their dynamic interactions.
- A novel approach is needed to accurately measure this complex relationship.
Purpose of the Study:
- To introduce and apply a comprehensive urbanization vegetation coordination index (CUVCI).
- To analyze the spatiotemporal evolution of vegetation greenness (NDVI), comprehensive urbanization level (CUL), and CUVCI in the Yellow River Basin (2000-2019).
- To identify potential driving factors influencing this coordination.
Main Methods:
- Developed the Comprehensive Urbanization Vegetation Coordination Index (CUVCI) using comprehensive urbanization data and compound annual growth rate.
- Analyzed the spatiotemporal patterns of NDVI, CUL, and CUVCI from 2000 to 2019.
- Explored the influence of natural environmental factors and scientific research on CUVCI.
Main Results:
- 87.8% of the Yellow River Basin showed a vegetation growth trend, most prominent in midstream regions.
- Comprehensive urbanization levels (CUL) increased across most cities, with higher levels in middle and downstream areas.
- The CUVCI was predominantly characterized by general coordination (57.4%) and minor conflict (18.5%), with improving coordination trends observed in most cities.
- Natural factors (precipitation, temperature, relief) significantly impact CUVCI, but scientific research can promote coordination.
Conclusions:
- Cities in the Yellow River Basin generally exhibit economic growth and increasing greenery.
- While coordination is improving, cities with minor or strong conflicts require targeted strategies.
- Prioritizing scientific research talent and learning from well-coordinated cities are key recommendations for enhancing sustainable urban-vegetation development.
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