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💧 Hydrology

Rivers, floods, groundwater and the global water cycle — real hydrological physics in 3D.

23 simulations60 fps real-time0 install steps
Gharial Population Recovery: Allee Effect & Head-Starting (2D)…New2D conservation-biology companion to the Gharial 3D river scene: a logistic-growth model… Tidal Estuary Salt Wedge Lab 2D: Froude & Richardson Number Cross-SectionNew📱A 2D estuary cross-section that shows a salt wedge advancing and retreating with the tide,… Lake Thermal Stratification & Hydrochemistry Lab (2D)New📱2D lake water-column lab: a two-layer epilimnion/hypolimnion oxygen-exchange model driven by… Isotope Rainout 2D: Rayleigh Distillation Cross-SectionNew📱A 2D side-on cross-section of a moist air mass raining out from ocean to mountain, with a… Isotope Rainout: Rayleigh Distillation of δ18ONew📱Track a moist air mass as it travels from ocean to mountain, raining out and becoming… Water Stress Index Simulator: Falkenmark IndicatorNew📱Live Falkenmark Water Stress Indicator: renewable freshwater m3 per person per year,… Aquatic Chemistry & Hydrochemistry LabNew📱3D cross-section of a lake tank modelling dissolved-oxygen saturation, the carbonate pH… Lake Eutrophication and Oxygen DynamicsNew3D cross-section of a lake tank modelling dissolved-oxygen saturation, the carbonate pH… Irrigation Systems SimulatorNew📱Compare drip, sprinkler and flood irrigation on a live field: watch soil moisture spread and… Managed Aquifer Recharge: Engineering Infiltration Basins to Refill Urban GroundwaterNew📱An interactive 3D cutaway infiltration basin where you set storm intensity, basin footprint… Adaptive River Basin ManagementNew📱Balance flood risk, hydropower generation and community water demand across a… Digital Twins for Urban Flood ResilienceNew📱An interactive 3D flood digital twin: watch a river-valley city's sensor network, drainage…
Water Cycle Residence-Time LabNew📱A 3D stock-and-flow model of the water cycle: watch molecules evaporate from the ocean,… Water Stewardship and Erosion Control for Apiary SitesNew📱Set a riparian buffer width, ground-cover density, rainfall intensity and a bee watering… Gharial RiverNew📱This simulation demonstrates the unique adaptations of gharial crocodiles to their river… Interactive 3D Dam – Flood Surge Stress TestNew📱Explore the complex interplay of forces within a real-world dam structure through this… Geography Hydrology SimulationNew📱This simulation demonstrates the principles of geography hydrology simulation, showcasing… Karst AquiferNew📱This simulation demonstrates the formation and flow of water through karst aquifers –… Tidal Estuary Salt WedgeNew📱Interactive 3D estuary cross-section where a dense salty wedge slides upstream beneath… River Network FormationNew📱Watch a fractal, dendritic river network carve itself into a 3D terrain via D8… Flash Flood ModelNew📱Simulate a flash flood with the real SCS Curve Number method — set rainfall, land use and… Global Water Cycle VisualizationNew📱Observe a dynamic representation of the Earth's water cycle, adjusting parameters like… Saltwater IntrusionNew📱Simulate saltwater intrusion in a coastal aquifer using the Ghyben-Herzberg relation — pump…
About the category

Hydrology

Rivers, floods, groundwater and the global water cycle — real hydrological physics in 3D.

Three.js · WebGL 60 FPS CC BY 4.0
Quick facts
23interactive simulations in this category
⚡runs at 60 FPS in any modern browser
🌐English, Ukrainian, Polish, Spanish, German, Japanese, Italian, Portuguese (Brazil), French, Arabic, Dutch, Chinese, Korean, Hindi, Turkish, Vietnamese, Russian, Indonesian, Persian, Bengali, Thai, Filipino, Swahili, Urdu, Malay, Tamil, Hebrew, Greek, Punjabi, Amharic, Burmese, Khmer, Georgian, Nepali, Mongolian, Armenian, Sinhala, Lao, Czech, Romanian, Hungarian, Bulgarian, Swedish, Danish, Finnish, Norwegian, Slovak, Croatian, Serbian, Slovenian, Lithuanian, Latvian, Estonian, Icelandic, Albanian, Macedonian, Bosnian, and Maltese
🎓CC BY 4.0 — free for classrooms and LMS embeds

Frequently asked questions

Do I need to install anything to run Hydrology simulations?▾

No. Everything runs entirely in your browser — no downloads, plugins or accounts. Works in Chrome, Firefox, Edge and Safari; most simulations also work on mobile.

Can I use these simulations for teaching?▾

Yes — all content is free for educational use under CC BY 4.0. Link to any simulation directly or embed it in your LMS with an iframe; no API key required.

Are the models scientifically accurate?▾

They use the same mathematical formulations as professional software, integrated numerically in real time. Each simulation lists its algorithms, and many link to an article explaining the mathematics.

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