地理漫步·世界地理英语30篇（1）

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纳米布沙漠雾网取水与海岸干旱适应

The Namib Desert stretches along Namibia’s Atlantic coast, one of Earth’s oldest and driest deserts.
Coastal fog forms daily when cold Benguela Current meets warm continental air, delivering moisture inland.
Fog nets—vertical mesh structures—capture tiny droplets that condense and drip into collection troughs.
Each net yields 2–10 liters of water per day, depending on fog frequency and wind speed.
Communities near Swakopmund and the Skeleton Coast rely on these low-tech systems for household use.
Fog harvesting complements groundwater extraction but avoids aquifer depletion in hyperarid zones.
Biological fog collectors include Welwitschia plants and darkling beetles that tilt to channel condensate.
Climate models suggest fog frequency may decline slightly with ocean warming, threatening reliability.
Research institutions test nano-coated meshes to increase capture efficiency under variable wind conditions.
This adaptation highlights how spatial gradients of moisture drive innovative human–environment responses.