TerraMosaic Daily Digest: June 28, 2026
Daily Summary
The June 28 literature is led by two direct landslide contributions that are unusually practical. One paper turns the post-peak collapse of sensitive clays into an operational disintegration-energy classification, giving practitioners a compact way to separate retrogressive-failure susceptibility classes from standard soil parameters. The other establishes regional rainfall thresholds for Carpathian landslides using long meteorological and landslide records. Together, they mark a useful shift from generic susceptibility mapping toward failure-mode-specific diagnostics and locally testable triggering thresholds.
The broader issue is organized around water-driven instability. Barrier-island flood attenuation, gap-graded-soil suffusion, storm-driven sediment export from an abandoned subaqueous delta, global flood-model acceleration, flood-mapping review, reservoir-operation learning, water-transfer adaptation boundaries, channel turbulence around spur dikes, and Mekong Delta sand-mining impacts all treat hazard as a coupled problem of forcing, storage, routing, and sediment or soil response. These studies are strongest where they preserve the physical pathway from hydraulic load to geomorphic or infrastructure consequence.
A third cluster extends the evidence base for cold, coastal, cryospheric, and underground systems. Antarctic ice-shelf surface damage is converted into a multi-decadal dataset; Arctic sea-ice entrapment is analyzed as a navigational hazard; freeze-damaged granite, frozen soil with ice lenses, schist creep, fissured expansive slopes, tunnel rocks, tailings backfill, salt caverns, and pipeline-embedded dams are all examined through evolving material state rather than fixed design constants. The remote-sensing and AI papers are most relevant where they improve change captioning, LiDAR segmentation, water-level prediction, or cross-sensor reconstruction in ways that could support auditable hazard observations.
Key Trends
Five movements define this issue: operational landslide diagnostics, coupled hydraulic response, damage histories in cold and cryospheric systems, path-dependent engineered ground, and AI methods that repair missing observations.
- Landslide work is emphasizing operational failure diagnostics: Sensitive-clay disintegration energy and Carpathian rainfall thresholds both convert process knowledge into tools that can be tested against real inventories and monitoring data.
- Hydraulic hazards are being framed as coupled routing and material-response problems: Flood attenuation, internal erosion, subaqueous-delta sediment export, reservoir operations, spur-dike turbulence, and sand-mining impacts all connect hydrodynamic forcing to geomorphic or infrastructure response.
- Cold and cryospheric systems are moving from snapshots to damage histories: Antarctic ice-shelf damage, sea-ice entrapment, frozen-soil constitutive behavior, freeze-damaged granite, and cold-region pavement materials all require memory of prior thermal or mechanical states.
- Underground and engineered ground studies are making evolving material state explicit: Fissured expansive slopes, tailings backfill, unsaturated lateritic soil, schist creep, layered sandstone tunnels, salt caverns, and pipeline-embedded dams are treated as path-dependent systems.
- AI is useful here when it repairs missing observations: Remote-sensing change captioning, LiDAR instance segmentation, graph-based water-level prediction, and cross-sensor super-resolution are relevant because they can turn sparse or heterogeneous observations into reviewable hazard evidence.
Selected Papers
The selected papers cover sensitive-clay landslide classification, Carpathian rainfall thresholds, fissured expansive slopes, coastal flood attenuation, internal erosion, flood mapping, storm-driven delta sediment export, global flood simulation, Antarctic ice-shelf damage, reservoir operations, storm-driven sea-level oscillations, rock-failure precursors, megathrust slip, remote-sensing change captioning, LiDAR segmentation, sea-ice entrapment, spur-dike turbulence, water-transfer adaptation, cold-region pavements, frozen and layered rock mechanics, tailings backfill, salt-cavern storage, hydraulic fracturing, Mekong Delta sand mining, frozen-soil damage, dam seepage, offshore scour, diversion tunnels, and geological reconstruction. This issue contains 38 selected papers from 2245 papers analyzed.
1. Energy-based classification of sensitive clay landslides: an operational disintegration energy model for hazard and risk assessment
Core Problem: Retrogressive sensitive-clay landslides are governed by abrupt post-peak softening, but operational hazard classes often lack a simple measure of how readily clay disintegrates after failure.
Key Innovation: Develops a practitioner-oriented disintegration-energy framework that links standard undrained-strength parameters to a three-domain susceptibility classification for sensitive clay terrain.
2. Empirical rainfall thresholds for Carpathian landslides in Poland
Core Problem: Regional landslide warning in the Polish Carpathians requires thresholds calibrated to local rainfall histories and long-term landslide records.
Key Innovation: Builds and validates intensity-duration and event-rainfall-duration thresholds using 1996-2024 precipitation and landslide data for the entire Polish Carpathian region.
3. Micropile reinforcement in fissured expansive slopes: experimental insights and design framework
Core Problem: Gently inclined expansive slopes with fissures can deform along weak structural planes, but micropile reinforcement mechanisms under these conditions remain poorly constrained.
Key Innovation: Uses large-scale physical experiments to quantify how micropile layout and geometry alter deformation, load transfer, and stability in fissured expansive slopes.
4. Assessing the role of the North Carolina Outer Banks as a nature-based feature in reducing coastal flood damages
Core Problem: Barrier islands act as natural infrastructure, but their economic flood-protection value is difficult to quantify under alternative storm and morphology scenarios.
Key Innovation: Combines ADCIRC+SWAN simulations with damage estimation to test how Outer Banks barrier configurations change water levels, wave conditions, and coastal flood losses.
5. Impact of stress paths on erodibility in gap-graded soils: the critical role of geometric criterion in the soil on the borderline of stability
Core Problem: Gap-graded soils in dams and levees experience stress paths that may shift them across the boundary between stable and suffusive behavior.
Key Innovation: Shows how stress-path history and particle-scale geometric criteria jointly control erodibility in soils near the suffusion-stability threshold.
6. Flood mapping approaches: a review of models, data accuracy, limitations, and future perspectives
Core Problem: Flood maps are increasingly automated, but model choice, data accuracy, and uncertainty still limit their reliability for hazard management.
Key Innovation: Reviews current flood-mapping models, input-data constraints, accuracy issues, and future directions for more dependable flood-risk products.
7. Winter storm induced turbulent-structure alteration triggers sediment export from an abandoned subaqueous delta
Core Problem: Winter storms can rapidly export sediment from abandoned subaqueous deltas, but the turbulent near-bed mechanism is still poorly observed.
Key Innovation: Uses in situ measurements and three-dimensional quadrant analysis to show how storm-driven turbulence asymmetry mobilizes and exports sediment from the Yellow River subaqueous delta.
8. CaMa-Flood-GPU: a GPU-based hydrodynamic model implementation for scalable global simulations
Core Problem: Global flood modeling is computationally constrained when river routing and floodplain dynamics must be simulated at high resolution.
Key Innovation: Refactors the CaMa-Flood hydrodynamic model for GPU architectures, accelerating large-scale flood simulations while preserving irregular-network routing.
9. A multi-decadal dataset of surface damage on Antarctic ice shelves (1999-2024)
Core Problem: Ice-shelf fractures, rifts, and heavily damaged areas affect buttressing and sea-level risk, but long-term surface-damage records remain sparse.
Key Innovation: Maps multi-decadal surface damage for nine Antarctic ice shelves from Landsat imagery, creating a reusable dataset for tracking structural weakening.
10. Learning what information matters and when: concurrent input selection and policy optimization in multipurpose reservoir operations
Core Problem: Multipurpose reservoirs must balance flood protection, water supply, and ecosystem needs while deciding which forecast inputs are operationally valuable.
Key Innovation: Extends neuro-evolutionary multi-objective optimization to learn operating policies and select time-varying information inputs simultaneously.
11. Sea level oscillations along the coast of British Columbia generated by four storms in November 2024
Core Problem: Compound storm surges, seiches, and infragravity waves can produce hazardous coastal water-level oscillations even when mechanisms vary by site.
Key Innovation: Analyzes four November 2024 British Columbia storms to separate atmospheric forcing, shelf resonance, current shifts, and local coastal response.
12. A multifractal fusion cusp model for detecting rock brittle failure precursors under uniaxial loading
Core Problem: Acoustic-emission signals contain nonlinear damage information, but translating them into robust instability warnings remains difficult.
Key Innovation: Combines multifractal acoustic-emission parameters with a cusp mutation model to detect precursor transitions before brittle sandstone failure.
13. Evolution of coupled seismic-aseismic slip during the 2025 Mw 6.8 Sanriku-Oki, Japan, megathrust sequence
Core Problem: Foreshock-mainshock-aftershock sequences near creep-lock transitions require observations that resolve both fast rupture and slow slip.
Key Innovation: Uses S-net seafloor data to track preparatory foreshock expansion, opposite-direction ruptures, rapid aftershock growth, and likely long-range afterslip.
14. RSICCLLM: A multimodal large language model for remote sensing image change captioning
Core Problem: Disaster and land-surface monitoring require not only change detection, but interpretable descriptions of what changed between bi-temporal images.
Key Innovation: Adapts multimodal large-model post-training to remote-sensing image change captioning, targeting fine-grained scene-change understanding under limited data.
15. DFM: Difference feature modeling with text-guided gated contrastive loss for remote sensing image change captioning
Core Problem: Change-captioning models can miss subtle disaster-relevant differences when visual change features and textual supervision are weakly aligned.
Key Innovation: Introduces difference-feature modeling and text-guided gated contrastive loss to strengthen remote-sensing change-caption generation.
16. SelectAnyTree: a promptable instance-segmentation model for 3D forest LiDAR point clouds
Core Problem: Three-dimensional environmental monitoring is limited by expensive instance labels in dense LiDAR point clouds.
Key Innovation: Builds a promptable tree-instance segmentation model for forest LiDAR, illustrating a path toward interactive labeling of complex 3D geospatial scenes.
17. A sea-ice entrapment event in the Southern Chukchi Sea: analysis and prediction
Core Problem: Rapid Arctic change is increasing access to polar routes while preserving episodic sea-ice hazards that can trap vessels.
Key Innovation: Analyzes the June 2024 Norseman II entrapment event and evaluates how anomalous ice thickness, extent, and wind forcing produced the hazard.
18. Vegetation-induced modifications of turbulence and energy budgets around spur dikes in compound channels
Core Problem: Floodplain vegetation and spur dikes jointly alter turbulence, sediment transport, and exchange between main channels and floodplains.
Key Innovation: Uses large-eddy simulation to quantify how vegetation changes turbulence and energy budgets around submerged spur-dike fields.
19. Navigating climate-adaptation boundaries for the world's largest inter-basin water-transfer projects
Core Problem: Large water-transfer systems must remain effective under climate and human pressures that alter streamflow across donor and receiver basins.
Key Innovation: Uses a climate-human-hydrology framework to test threshold-based transfer strategies across the Yangtze, Yellow, Huaihe, and Haihe basins.
20. Alternative materials for improving pavement performance in cold regions: a comprehensive review
Core Problem: Freeze-thaw cycling, moisture weakening, and changing precipitation accelerate pavement and subgrade deterioration in cold regions.
Key Innovation: Reviews insulation and recycled materials for improving pavement performance under seasonal freezing and climate-driven cold-region stress.
21. Thermal conductivity of granite with varying degrees of damage in freezing conditions
Core Problem: Cold-region rock stability depends on how damage and freezing conditions alter heat transfer through fractured granite.
Key Innovation: Quantifies the thermal-conductivity response of granite with different damage degrees under freezing conditions.
22. Interface-controlled mechanical behavior and failure mechanisms of layered cemented tailings backfill with fiber reinforcement
Core Problem: Layered cemented tailings backfill can fail along weak interfaces, affecting underground mine stability and support design.
Key Innovation: Tests how interface properties and fiber reinforcement control mechanical behavior and failure modes in layered cemented tailings backfill.
23. Unsaturated strength and dilatancy behaviour of tropical lateritic soil over a broad range of suction
Core Problem: Tropical lateritic slopes and earthworks experience large suction changes, but strength and dilatancy across the full suction range are not well constrained.
Key Innovation: Measures unsaturated strength and dilatancy behavior across broad suction conditions to support hydro-mechanical interpretation of lateritic soils.
24. A nonlinear creep damage model for deep buried schist considering water content-stress-time coupling effects
Core Problem: Deep schist surrounding tunnels can deform through coupled water content, stress, and time effects that simple creep models miss.
Key Innovation: Develops a nonlinear creep damage model that explicitly couples water content, stress level, and time-dependent damage evolution.
25. Role of bedding angle in the anisotropic mechanical response of layered sandstone under monotonic and cyclic loading
Core Problem: Tunnel behavior in layered sandstone depends on bedding angle and cyclic loading, but anisotropic response is often simplified.
Key Innovation: Uses monotonic and cyclic loading tests to quantify how bedding orientation controls deformation, strength, and failure in layered sandstone.
26. Temperature-dependent seepage and dilatancy behavior in salt cavern hydrogen storage under THM coupling
Core Problem: Hydrogen storage in salt caverns involves coupled temperature, seepage, and mechanical dilation that can threaten cavern integrity.
Key Innovation: Investigates temperature-dependent seepage and dilatancy under thermo-hydro-mechanical coupling to constrain storage-safety behavior.
27. Mode I fracture analysis of granite under rapid thermal disturbances using digital image correlation and 3D laser scanning
Core Problem: Rapid heating and cooling can change granite fracture behavior in excavation, geothermal, and underground-energy settings.
Key Innovation: Combines digital image correlation and 3D laser scanning to resolve Mode I fracture evolution under rapid thermal disturbance.
28. Thermal-hydro-mechanical-chemical coupling processes across scales in CO2 storage: practices, challenges, and prospects
Core Problem: Geological CO2 storage can induce coupled thermal, hydraulic, mechanical, and chemical responses that affect storage integrity and induced-seismicity risk.
Key Innovation: Synthesizes multiscale THMC mechanisms, modeling practices, and engineering challenges for safer long-term subsurface CO2 storage.
29. Coupled effects of heterogeneity and propagation regime on hydraulic fracture morphology
Core Problem: Fluid-driven fracturing in heterogeneous rock controls induced-seismicity and geothermal or storage integrity, but morphology depends on both material disorder and fluid regime.
Key Innovation: Uses coupled discrete-element and pore-network modeling to test how heterogeneity and Newtonian or shear-thinning fluids shape fracture growth.
30. Impact of sand mining on groundwater-surface water interactions in the Vietnamese Mekong Delta
Core Problem: Sand mining changes riverbed geometry and hydraulic gradients, potentially altering groundwater-surface water exchange in vulnerable deltas.
Key Innovation: Analyzes how mining-induced channel changes affect groundwater and surface-water interaction in the Vietnamese Mekong Delta.
31. Pore evolution and infiltration mechanisms under freezing saline-water irrigation: cross-scale evidence from X-ray CT and stable isotopes
Core Problem: Frozen saline irrigation changes pore structure and infiltration pathways, with implications for cold-region soil stability and salinization.
Key Innovation: Combines X-ray CT and stable-isotope evidence to link pore evolution with infiltration mechanisms under freezing saline-water irrigation.
32. Integrating multiple graph features in graph neural networks for water-level prediction
Core Problem: Water-level forecasting in river networks requires models that encode both hydrological connectivity and spatial dependence.
Key Innovation: Integrates multiple graph features in graph neural networks to improve water-level prediction across connected hydrological systems.
33. An elastoplastic damage constitutive model for frozen soil containing ice lenses and its application
Core Problem: Frozen soil with ice lenses behaves as a heterogeneous material whose defect structure controls deformation and damage.
Key Innovation: Develops an elastoplastic damage model that couples ice-lens defects and microdefects, then applies it to frozen-ground mechanical response.
34. Real-time soil moisture detection during compaction using near-infrared sensing and thermo-hydraulic simulation
Core Problem: Moisture content controls compaction quality in dams and high-fill embankments, but conventional point sampling cannot track full-field variation in real time.
Key Innovation: Combines near-infrared detection with thermo-hydraulic migration simulation to support rapid moisture monitoring during soil compaction.
35. Time-dependent seepage-deformation coupled analysis of a pipeline-embedded dam under cyclic water-level fluctuations
Core Problem: Embedded pipelines and cyclic reservoir levels can create time-dependent seepage-deformation interactions in earth structures.
Key Innovation: Develops a coupled seepage-deformation analysis for pipeline-embedded dams under cyclic water-level forcing.
36. Lateral response of offshore monopiles under combined scour and vertical loading
Core Problem: Scour and vertical loading jointly alter monopile lateral resistance, affecting offshore wind and marine infrastructure reliability.
Key Innovation: Quantifies monopile lateral response under combined scour and vertical load conditions to improve foundation assessment.
37. Model tests on failure behavior of diversion tunnels in stratified rocks: large-scale 3D printing
Core Problem: Long-operating diversion tunnels in stratified rock are vulnerable to deformation, cracking, and lining instability.
Key Innovation: Uses large-scale 3D-printed physical models to reproduce stratified rock and compare tunnel failure behavior under different lining conditions.
38. Data- and knowledge-driven three-dimensional geological reconstruction method for tunnel engineering
Core Problem: Sparse boreholes and hidden strata make three-dimensional geological modeling uncertain for tunnel design and hazard anticipation.
Key Innovation: Combines inverse-distance weighting with computer-vision constraints to improve data- and knowledge-driven 3D geological reconstruction.