# 酸雨形成

酸雨形成过程和环境影响的交互式模拟

> 标准页面: https://elysiatools.com/zh/visualizations/acid-rain-formation

- **分类:** Physics

## 概述

Interactive simulation of acid rain formation from emissions to environmental impacts - explore SO₂/NOₓ oxidation, atmospheric transport, wet/dry deposition, and pH changes. Features chemical reactions: SO₂ + ·OH → HOSO₂· → H₂SO₄, NO₂ + ·OH → HNO₃, pH = -log[H⁺], with normal rain pH ~5.6 (CO₂ equilibrium) and acid rain pH <5.6. Dual-panel visualization: (1) Atmospheric process canvas showing emission sources (factories 🏭, vehicles 🚗, power plants), pollutant particle transport by wind, chemical transformation (SO₂→H₂SO₄, NOₓ→HNO₃), cloud formation, acid rain droplet formation (color changes from blue to red with acidity), and wet/dry deposition. (2) pH distribution heat map showing spatial variation and affected areas, with dynamic color scale from pH 7.0 (green) to pH 3.0 (red). Four mitigation measures with quantified reduction effects: flue gas desulfurization (-80% SO₂), catalytic converters (-70% NOₓ), clean energy transition (-90% emissions), and stricter emission standards (-60% overall). Adjustable parameters: SO₂ emissions (0-200 units), NOₓ emissions (0-200 units), wind speed (0-15 m/s affecting transport distance), humidity (20-100% affecting rain formation), industrial activity (0-100%), and vehicle density (0-100%). Real-time pH monitor displays current rain pH, SO₂/NOₓ concentrations (ppb), average regional pH, and percentage of affected area (pH <5.6). Environmental impact assessment canvas visualizes lake acidification (water color change with pH), forest health degradation (canopy browning from 100% to 20%), and building corrosion damage (surface deterioration). Educational content covers acid rain formation process, emission sources (industrial, vehicles, natural), atmospheric chemistry and oxidation reactions, transport mechanisms, wet vs dry deposition, environmental effects (aquatic ecosystem damage, forest soil degradation, building material corrosion, human respiratory impacts), mitigation strategies (scrubbers, catalytic converters, clean energy, international agreements like CLRTAP), and historical context (1970s-80s crisis, 1990 US Clean Air Act Amendments Acid Rain Program, Gothenburg Protocol success). Multi-language support (zh, en, fr, de, es, ru, pt).

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