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What are chos in the foothill region of Punjab?
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Punjab
The Harmandir Sahib (Golden Temple; right), Amritsar, Punjab, India.
In the foothill region of Punjab, chos are closely spaced seasonal torrents that dissect the narrow, undulating landscape. These watercourses are active primarily during the rainy season, and several of them terminate in the plains below without joining any larger stream.1
Similar seasonal torrents, referred to as cos, are also found in the broader Siwalik Range, where they are known for sweeping significant amounts of sand and silt into wide, shifting streambeds that remain dry for the majority of the year.2