Related Experiment Video
Updated: Aug 6, 2026
11:53
Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
Published on: December 9, 2012
Unraveling land-use carbon-pollution co-evolution: A dynamic coordination framework with causal pathways and spatial
Xue Zhao1, Bilin Shao1, Jia Su1
1School of Management, Xi'an University of Architecture and Technology, Xi'an 710055, China.
Iscience
|July 23, 2026
Summary
This study quantifies the co-evolution of land-use carbon emissions and fine particulate matter (PM2.5) pollution in China. It reveals spatial clustering and identifies urban expansion as a key factor, enabling targeted mitigation strategies.
Area of Science:
- Environmental Science
- Earth System Science
- Spatio-temporal Analysis
Background:
- Land-use change drives both carbon emissions and air pollution (PM2.5).
- Understanding their co-evolution is crucial for regional governance.
- Existing research lacks quantification of temporal dynamics and causal links.
Purpose of the Study:
- To develop a framework for diagnosing carbon-pollution synergy.
- To analyze the spat-temporal dynamics and causal pathways of this synergy.
- To inform differentiated regional governance strategies for mitigation.
Main Methods:
- Developed a multi-stage framework for 113 district-county units (2013-2023).
- Constructed a synergistic evolution index (SEI) using dynamic time warping (DTW) and coupling coordination degree (CCD).
- Employed Bayesian network analysis and density-based clustering.
Main Results:
- Identified pronounced spatial polarization and significant clustering in synergy performance.
- Revealed heterogeneous causal pathways, with urban expansion mediating ecological and anthropogenic drivers.
- Delineated four distinct governance zones based on stability and enhancement potential.
Conclusions:
- The study provides a novel framework for assessing carbon-pollution synergy.
- Findings support spatially tailored mitigation strategies for environmental governance.
- Highlights the critical role of urban expansion in the co-evolution of emissions and pollution.
Related Concept Videos
01:14The Carbon Cycle
Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
01:21Causality in Epidemiology
Causality or causation is a fundamental concept in epidemiology, vital for understanding the relationships between various factors and health outcomes. Despite its importance, there's no single, universally accepted definition of causality within the discipline. Drawing from a systematic review, causality in epidemiology encompasses several definitions, including production, necessary and sufficient, sufficient-component, counterfactual, and probabilistic models. Each has its strengths and...
01:50Global Climate Change
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
01:29Levels of Use of a GIS
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
01:24Microbes and the Carbon Cycle
The carbon cycle is a fundamental Earth process involving the transfer of carbon among the biosphere, lithosphere, atmosphere, and hydrosphere. It plays a critical role in regulating the planet’s climate and supporting life by cycling carbon through various chemical forms and reservoirs. Carbon primarily circulates as carbon dioxide (CO₂), representing its oxidized form, while reduced forms such as methane (CH₄) and organic compounds also play essential roles.Microbial activity is central to...
01:17Design Example: Analyzing Capacity Contours for Flood Risk Assessment
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...