Reflections on the relationship between the changing course of the Huanghe River in the first river bend and the development of plateau peat swamp

摘要

During the attendance of the Qinghai-Xizang Plateau comprehensive scientific survey which held by the Chinese Academy of Sciences, the survey were made in the plateau swamp in the contiguous area of Gansu, Qinghai and Sichuan Provinces. There are more than 4,900 Km$+2$/ of swamp in this area, 96% of it is peat swamp. Through this survey, new ponder were formed on the relationship between the changes of the Huanghe River's stream channel in the surveyed area and the development of peat swamp plateau.