Article (Scientific journals)
Understanding future water-carbon-land coupled systems in the era of COP 27: The case of the Hanjiang river Basin, China
Zhu, Kai; Cheng, Yufeng; Zhou, Quan et al.
2024In Journal of Cleaner Production, 479, p. 144054
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Keywords :
Ecological sustainability; Ecosystem services; Human well-being; Targeted spatial management; Water-carbon-land ecosystems; Coupled systems; Hanjiang rivers; River basins; Spatial management; Water-carbon-land ecosystem; Well being; Renewable Energy, Sustainability and the Environment; Environmental Science (all); Strategy and Management; Industrial and Manufacturing Engineering
Abstract :
[en] The 27th Conference of the Parties (COP 27) emphasized addressing this century's interconnected challenges of food, water, and energy. This study proposes a coupled ecosystem service and multi-scenario land-use change simulation model designed to investigate the future dynamics of water-carbon-land coupled systems in the Hanjiang River Basin (HJRB), the primary objective is to provide valuable insights that can inform strategic spatial management decisions, aligning with the ambitious objectives outlined in COP 27. Specifically, this study utilized the PLUS model, InVEST model, and redundancy analysis to comprehensively analyze the interplay between ecosystem services and land-use changes, with a specific focus on water, carbon, and land dynamics. The results showed that regardless of the simulated scenarios, there was a consistent pattern observed in the changes of land use types within the HJRB, with a decrease in farmland and an increase in forest. However, the water area showed an increasing trend in all scenarios, especially in the ecological land protection (ELP) and sustainable development scenarios. Furthermore, the ELP scenario effectively suppressed the expansion of building land and the erosion of ecological land. Ecosystem services under different scenarios showed similar spatial distribution patterns but presented varying degrees of change related to the impact of future land use and urban development on ecosystem services. The water yield (WY), carbon storage, and soil conservation in the upstream areas increased to varying degrees, while those in the downstream areas decreased. In conclusion, precipitation, land use/land cover change, DEM (Digital Elevation Model), and NDVI (Normalized Difference Vegetation Index) were the main driving factors affecting ecosystem services, with precipitation having the most significant and enduring impact on WY. This study supports the adoption of targeted spatial management measures to promote sustainable development and enhance human well-being.
Precision for document type :
Analysis of case law/Statutory reports
Disciplines :
Agriculture & agronomy
Author, co-author :
Zhu, Kai ;  Faculty of Resources and Environmental Science, Hubei University, Wuhan, China
Cheng, Yufeng;  Faculty of Resources and Environmental Science, Hubei University, Wuhan, China
Zhou, Quan;  Faculty of Resources and Environmental Science, Hubei University, Wuhan, China
Azadi, Hossein  ;  Université de Liège - ULiège > TERRA Research Centre > Modélisation et développement
Language :
English
Title :
Understanding future water-carbon-land coupled systems in the era of COP 27: The case of the Hanjiang river Basin, China
Publication date :
10 November 2024
Journal title :
Journal of Cleaner Production
ISSN :
0959-6526
eISSN :
1879-1786
Publisher :
Elsevier Ltd
Volume :
479
Pages :
144054
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 31 October 2024

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