摘要
Water has an irreplaceable role and function in determining the main factors of the environmental, ecological and geological environment. It is one of the most important factors impacting ecological balance, ecological and geological environment and other factors or components. When the water availability changes, other factors or components can follow chains of reaction, changing or rebalancing accordingly. The water factor of the Sanjiang plain is discussed, characterized and analyzed in detail. We illustrate that water availability can have a large impact on environmental and geological problems.