地理漫步·世界地理英语30篇（4）
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The Tibetan Plateau: Atmospheric Pump and High-Altitude Hydrological Divide
青藏高原：大气泵与高海拔水文分界
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Rising over four thousand meters, this plateau acts as a thermal engine driving monsoon circulation.
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Its elevated surface heats air faster than surrounding lowlands, creating seasonal pressure gradients.
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Glaciers on its northern slopes feed the Yangtze, Yellow, and Mekong rivers through meltwater channels.
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The plateau’s southern edge marks where moisture-laden Indian monsoon winds first rise and cool.
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Permafrost distribution follows latitude and elevation, forming discontinuous zones that affect groundwater storage.
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Lake basins like Nam Co occupy tectonic depressions where evaporation exceeds precipitation year-round.
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Wind erosion sculpts aeolian landforms on arid western margins far from major river systems.
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Seasonal snow cover varies spatially, influencing spring runoff timing across three major Asian river basins.
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High-elevation wetlands store carbon in peat despite thin soils and cold temperatures.
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River networks here show dendritic patterns constrained by regional fault lines and bedrock resistance.