China University of Geosciences

Global Reanalysis Reveals Recurrent Cyanobacterial Enrichment in the Aquatic Plastisphere

Abstract The plastisphere is an emerging anthropogenic ecosystem hosting complex microbial assemblages. While heterotrophic colonizers are well studied, the role of primary producers such as cyanobacteria remains underexplored. Here, we reanalyzed 16S rRNA gene amplicon data from...

Reservoir quality evaluation of tight carbonate gas reservoirs using fractal–multifractal pore-structure metrics: a case study from the Taiyuan Formation, Ordos Basin, China

Abstract Tight carbonate gas reservoirs commonly contain appreciable storage space but highly variable flow capacity, making reservoir-quality evaluation and favorable-interval screening challenging in exploration and development. This study investigates 10 representative limesto...

A Semi-Lagrangian Method for Solving State Constraint Mean Field Games in Macroeconomics

Abstract. We study continuous-time heterogeneous agent models cast as Mean Field Games, in the Aiyagari–Bewley–Huggett framework. The model couples a Hamilton–Jacobi–Bellman equation for individual optimization with a Fokker–Planck–Kolmogorov equation for the wealth distribution....

Effects of Multistage Paleostress Reorientation on the Sealing Capacity of Fault Zones: A Case Study of the Huizhou 19‐6 Area, Pearl River Mouth Basin, Northern South China Sea

ABSTRACT The Paleogene formations in the Huizhou 19‐6 area are dominated by high sand‐content strata. Fault development in this region is controlled by multiple episodes of tectonic activity, forming a structural pattern of ‘initially wrench‐dominated, followed by extensional def...

FD-ProtoSCD: Semantic Change Detection in High-Resolution Remote Sensing Images via Frequency-Domain Disentanglement and Dynamic Prototype Learning

Semantic Change Detection (SCD) in high-resolution remote sensing images is challenged by appearance-induced pseudo-changes and highly imbalanced class transitions. To address these coupled difficulties, we propose FD-ProtoSCD, a decoupled SCD framework that combines Frequency-Do...

Predictive analysis of construction accident outcomes using explainable artificial intelligence and evidence fusion techniques

Purpose Effective construction safety management relies on interpretable information to guide practitioner interventions. However, most current predictive models are “black boxes” that provide limited insight into the complex, multifactor causal mechanisms of accidents. Therefore...

Local Electric‐Field Homogenization via Ferroelectric Grain‐Boundary Engineering Enables Long‐Life, High‐Rate Solid‐State Sodium Metal Batteries

ABSTRACT Achieving dendrite‐free and stable interfaces remains a critical challenge for solid‐state sodium metal batteries (SSMBs), especially under low‐temperature and high‐rate conditions. Here, we report a scalable grain boundary engineering strategy by integrating ferroelectr...

Exploring baryon semileptonic decays through polarization and entanglement

Abstract The unitarity of the Cabibbo–Kobayashi–Maskawa (CKM) matrix is a cornerstone of the standard model (SM). Precise tests of this unitarity require independent determinations of its elements, such as | V us |, which governs the transition between strange and up quarks. Curr...

Potential and Insight: Sealing Potential of Low‐Permeability Basalt Interlayer in Mudstone Caprock for CO 2 Storage in Sandstone Aquifer

ABSTRACT When CO 2 is sequestered in deep aquifers of sedimentary basins, mudstone or shale is usually used as a caprock. When the caprock contains low‐permeability basalt interlayers, its sealing potential could be improved. This study utilized geological data from the Jianghan...

Measuring urban ecological resilience across prefecture level cities in the Yangtze River Economic Belt using a PSR composite index

Abstract Urban ecological resilience is critical for reconciling ecological protection with high-quality development in rapidly urbanizing river-basin corridors. Evidence remains limited, however, on how resilience evolves across the full set of prefecture-level cities in the Yan...

Seismic wave attenuation in saturated porous media: A new fractal double-porosity perspective

Summary The influence of rock microstructure makes quantifying seismic wave dispersion and attenuation in saturated rock a fundamental challenge. This challenge arises from the multiscale heterogeneity of the pore distribution and the consequent fluid distribution, which gives ri...

Urban Energy Transition During Climate-Smart Technology Diffusion: Stage-Dependent Evidence from 282 Chinese Cities

Urban energy transition requires the deployment of clean energy alongside technologies that lower the carbon intensity of urban economic activity. Yet the effect of climate-smart technology may change with the stage of technology diffusion. Using city-level data from 282 Chinese...

Prediction of Waterjet Cutting Depth Under Multi-Field Coupling Based on Zero-Shot Learning

Sudden collapse accidents in mine roadways occur frequently, and post-disaster emergency rescue faces major challenges in terms of safety and efficiency. Therefore, efficient demolition equipment and intelligent prediction methods are urgently needed. Abrasive waterjet technology...

AMOC Weakening Controls δ 18 O but Not Rainfall in North China During Deglacial Abrupt Events

Abstract East Asian Summer Monsoon (EASM) varied at orbital and millennial timescales during the Last Deglaciation (∼20–11 ka). The uniform δ 18 O response in East China is often linked to EASM circulation that drives a precipitation dipole in North and South China on orbital sca...

Hydrochemical Characteristics and Evolution of Groundwater in Weibei Plain Based on Hydrogeological Zoning (China)

The Weibei Plain, characterized by its complex stratified aquifer system and extensive brine resources, faces severe groundwater salinization. Unraveling the precise evolutionary mechanisms of diverse hydrochemical types across varying depths and geomorphological zones remains a...

Assessment of the integrated DRA-AE method for in-situ stress measurement under uniaxial cyclic loading

Indirect methods for measuring in-situ stress, including deformation rate analysis (DRA) and acoustic emission (AE), have attracted considerable research interest because they are simple to implement and cost-effective. In this study, rock cores were obtained from three horizonta...

Early development of anoxia prior to the main euxinic phase of the Jenkyns Event on the margin of the Western Tethys (Sachrang Basin, Eastern Alps)

ABSTRACT Although the global expansion of oxygen‐depleted marine environments during the Early Toarcian Jenkyns Event (or Toarcian Oceanic Anoxic Event) is primarily inferred from successions in the NW European epicontinental basins, the timing of the expansion of anoxia in Tethy...

Pauling‐Type Multi‐Oxygen Adsorption of Amorphous MoS x Cocatalysts for Boosting Photocatalytic H 2 O 2 Production

ABSTRACT The loading of cocatalysts and the modulation of their electronic properties play a crucial role in boosting photocatalytic H 2 O 2 production. However, cocatalyst surfaces often feature multi‐oxygen adsorption configurations, and how such adsorption states influence cha...

Synergistic Effects of an Interlaced Mountain–Lake–Plain Terrain on Wintertime PM 2.5 Pollution in Central China

Abstract The role of plain–lake–mountain mixed terrain surfaces on fine particle (PM 2.5 ) pollution is still unclear. Here, a Weather Research and Forecasting model coupled with Chemistry modeling study was designed for a winter PM 2.5 pollution episode in Central China with two...

Spatiotemporal linkage and transmission of urban heat islands in the Yangtze River Delta urban agglomeration: the role of urban heat advection

Abstract. Urban heat islands (UHIs) substantially modify the urban thermal environment, yet the contribution of non-local processes such as urban heat advection (UHA) in dense urban agglomerations remains poorly quantified. Using five years of high-density automatic weather stati...