The observation items, instruments and techniques of river works downstream of the Yellow River have been building step by step in the long term of flood controlling process. Along with the realization of modern flood controlling goals in the Yellow River, a serious of problems were arisen from the observation on river works such as the fewer routine items, the immature techniques, and the lack of scientific management. On the basis of analyzing the present observation status of the river works, this paper puts forward the necessary items to be carried out at present, the relevant techniques and instruments, and tries to find out a well-functioning mechanism for standardization of the river works observation in the Yellow River.
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