The Countermeasures for Fluvial Environmental Abnormal Variation

Unreasonable activities of mankind in water resources exploitation have deteriorated the natural environment, intensifying the conflicts between human beings and the nature. Environment and natural disasters have brought forward rigorous challenge on the survival and development of the mankind. The concept of environmental variation is proposed in analyzing the processes of environmental change, and the reparation methods for fluvial environment variation have been stated as well. Styles of fluvial environmental variation can be classified according to characteristics of river and human activities. The characteristics and the consequences of the environmental variation in the estuary of Yellow River are analyzed, so has the control method.