水源问题、洪水问题、污水问题是城市化过程中的三大水文响应，也是城市水环境管理研究的重要课题。
Problems of water source, flood disaster, and water pollution are the three hydrological responses in urbanization process, also are the main issues in water environment management.
水文信息在空间信息的表达中占有非常重要的地位，它被广泛应用于地形分析、资源环境管理以及水文科学等各个方面。
Drainage information plays an important role in the presentation of spatial information and is widely used in terrain analysis, resource and environment management and Hydrology.
水文信息在空间信息的表达中占有非常重要的地位，它被广泛应用于地形分析、资源环境管理以及水文科学等各个方面。
Drainage information plays an important role in the presentation of spatial information and is widely used in terrain analysis, resource and environment management and Hydrology.
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