Driving mechanisms and evolutionary characteristics of carbon sink disturbance risk in urban ecosystem: a case study of Ordos

IF 2.8 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Environmental Earth Sciences Pub Date : 2025-04-09 DOI:10.1007/s12665-025-12195-3

Xueqing Wang, Shaoliang Zhang, Zhongyi Ding, Huping Hou, Zanxu Chen, Qinyu Wu

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引用次数: 0

Abstract

Assessing the changes in carbon sink disturbances is crucial for understanding urban ecosystem stability under climate change and human activities. This study proposed a novel assessment framework for carbon sink disturbance risk (CSDR), integrating the carbon sink loss with disturbance probability and applying Tapio model with Mann–Kendall trend test methods, to reveal the intrinsic driving mechanisms and external evolutionary trends of CSDR in the Ordos during 2002–2022. The results indicated that loss and disturbance probability of carbon sink initially increased, followed by a subsequent decrease. From 2002 to 2012, the proportion of high-value CSDR areas increased from 7.69%, and weak decoupling between carbon sink loss and disturbance probability made up 57.77%. During 2002–2022, the CSDR declined mainly in the eastern and northern regions of Ordos. The results show that multiple factors influence the changes in carbon sinks in the Ordos region, and the carbon sink loss due to human disturbances has been improved. The findings enhance the understanding of human-carbon interactions and contribute to research on carbon sinks and urban sustainable development.

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城市生态系统碳汇扰动风险驱动机制及演化特征——以鄂尔多斯市为例

评估碳汇扰动的变化对于理解气候变化和人类活动下城市生态系统的稳定性至关重要。将碳汇损失与扰动概率相结合，采用Tapio模型和Mann-Kendall趋势检验方法，构建了新的碳汇扰动风险评估框架，揭示了2002-2022年鄂尔多斯地区碳汇扰动风险的内在驱动机制和外部演化趋势。结果表明：碳汇损失和干扰概率呈先增大后减小的趋势；2002 - 2012年，高价值区占比从7.69%上升到57.77%，碳汇损失与扰动概率弱脱钩。2002-2022年，鄂尔多斯东部和北部地区的CSDR主要下降。结果表明：鄂尔多斯地区碳汇变化受多种因素影响，人为干扰导致的碳汇损失有所改善；这些发现有助于加深对人类与碳相互作用的理解，并有助于碳汇和城市可持续发展的研究。

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来源期刊

Environmental Earth Sciences 环境科学-地球科学综合

CiteScore

5.10

自引率

3.60%

发文量

494

审稿时长

8.3 months

期刊介绍： Environmental Earth Sciences is an international multidisciplinary journal concerned with all aspects of interaction between humans, natural resources, ecosystems, special climates or unique geographic zones, and the earth: Water and soil contamination caused by waste management and disposal practices Environmental problems associated with transportation by land, air, or water Geological processes that may impact biosystems or humans Man-made or naturally occurring geological or hydrological hazards Environmental problems associated with the recovery of materials from the earth Environmental problems caused by extraction of minerals, coal, and ores, as well as oil and gas, water and alternative energy sources Environmental impacts of exploration and recultivation – Environmental impacts of hazardous materials Management of environmental data and information in data banks and information systems Dissemination of knowledge on techniques, methods, approaches and experiences to improve and remediate the environment In pursuit of these topics, the geoscientific disciplines are invited to contribute their knowledge and experience. Major disciplines include: hydrogeology, hydrochemistry, geochemistry, geophysics, engineering geology, remediation science, natural resources management, environmental climatology and biota, environmental geography, soil science and geomicrobiology.