Dry Valleys in Hengduan Mts Region

  • Yang Qinye
Part of the GeoJournal Library book series (GEJL, volume 57)

Abstract

Dry valleys, in terms of “Gan Bazi” (try valley) or “Ganre Bazi”(try and hot valley) by local people, are widely distributed in deep cut river valleys in mountain reanges surrounding the south and east Tibetan Plateau, but more concentrately positioned in the Hengduan Mountains along Nujiang (Sal wen River), Langcangjiang (Mekong River) and tributaries of upper reach of Yangtze River in west Sichuan and northwest Yunnan Provinces. In these dry valleys, with higher temperature and less precipitation, farmland on terraces and slopes, which account about 90% of total farmlands, are most important in the mountains area, and river water can be barely irrigated. So population density is also relatively high there. Thus research on the try valley is not only attentioned by geo-ecologists but also by the local people and governments to meet requirement of sustainable mountain development.

Keywords

Biomass Corn Depression Attenuation Transportation 

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© Springer Science+Business Media Dordrecht 2000

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  • Yang Qinye

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