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Exploring the impacts of land use evolution on carbon storage in mountainous western Henan is of great significance for regional ecological restoration and the realization of the "Dual Carbon" goals. Taking Sanmenxia City as the research area, this paper comprehensively adopts spatial analysis tools of Geographic Information System (GIS), land use transfer matrix and the InVEST model to systematically investigate the spatiotemporal evolution of land use patterns and the differentiation characteristics of carbon storage from 2005 to 2025, and quantitatively calculate carbon gains and losses caused by transitions of various land use types. The results show that from 2005 to 2025, forest land in Sanmenxia City expanded continuously, grassland decreased drastically, and construction land continuously encroached on cultivated land. The total regional carbon storage presented a trend of an initial decline followed by a rebound, with southern forest lands as high carbon sink zones and towns in northern river valleys as low carbon sink zones. The conversion of cultivated land and grassland to forest land constitutes the major carbon sink pathway, while the conversion of cultivated land to non-agricultural land and the reclamation of forest land are the primary sources of carbon loss. Carbon sinks generated by ecological restoration projects can partially offset carbon losses resulting from urban development. The research results can provide a scientific basis for ecological restoration and the achievement of the dual‑carbon goals in the mountainous areas of western Henan.
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Basic Information:
DOI:10.19580/j.cnki.1007-3000.2026080031
China Classification Code:P208;X321;F301.2
Citation Information:
[1]XING Lei,SHEN Xinkai,JING Xiang.Study on Land Use Pattern and Carbon Storage Change in Mountainous Areas of Western Henan Based on GIS[J].Beijing Surveying and Mapping().DOI:10.19580/j.cnki.1007-3000.2026080031.
2026-09-20
2026-09-20
2026-09-20