hydrology of bridge and culvert

例句：

1. 1. The hydrologist studied the effects of climate change on river flow.
   水文学家研究了气候变化对河流流量的影响。
2. 2. The city's water supply relies heavily on groundwater and surface water sources.
   该市的供水主要依赖地下水和地表水资源。
3. 3. Hydrology is a field of study that focuses on understanding how water behaves in various environments.
   水文学是一门专注于理解水在各种环境中行为的学科。