The main water supply source in Basongcuo rainy season

Mainly from groundwater and underground rivers. The climate is dry, evaporation is much greater than precipitation, and rivers are underdeveloped (atmospheric precipitation and surface water supply are less). The land is located in the northwest inland, with abundant sand sources nearby, windy in winter and spring, and a lot of dust is accumulated here. There is high humidity in the sand mountain, and there are many plants near the top, forming a fixed sand dune. With the continuous accumulation of dust, a tall sand mountain has been formed.

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