The Okavango Delta: An Inland Delta Without an Outlet to the Sea
奥卡万戈三角洲：无出海口的内陆三角洲
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The Okavango Delta in northern Botswana is one of Earth’s few inland deltas, terminating in the Kalahari sands instead of the ocean.
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Seasonal flooding arrives from Angola’s highlands months after local rains, creating a delayed hydrological pulse.
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