1. The hydrological cycle is crucial for maintaining the Earth's water balance.
水文循环对于维持地球水平衡至关重要。

2. The hydrological data showed a significant increase in rainfall over the past month.
水文数据显示，过去一个月降雨量显著增加。

3. The hydrological model accurately predicted the river's flow rate during the storm.
水文模型准确预测了暴雨期间河流的流量。

4. The hydrological survey revealed high levels of contamination in the river.
水文调查显示河流中污染物含量高。

5. The hydrological engineer designed a new irrigation system for the farm.
水文工程师为农场设计了一个新的灌溉系统。

6. Climate change is expected to have a significant impact on hydrological patterns in the region.
气候变化预计将对该地区的水文模式产生重大影响。