base flow

简明释义

基流

英英释义

例句

1.Hydrologists measure the base flow 基础流量 to assess groundwater contributions to surface water.

水文学家测量基础流量 base flow 以评估地下水对地表水的贡献。

2.The base flow 基础流量 of the stream provides a steady habitat for fish.

溪流的基础流量 base flow 为鱼类提供了稳定的栖息地。

3.Monitoring the base flow 基础流量 helps in predicting drought conditions.

监测基础流量 base flow 有助于预测干旱情况。

4.The river's base flow 基础流量 is crucial for maintaining aquatic ecosystems during dry seasons.

河流的基础流量 base flow 对于在干旱季节维持水生生态系统至关重要。

5.During the summer, the base flow 基础流量 decreases significantly due to evaporation.

在夏季，由于蒸发，基础流量 base flow 显著减少。

作文

Understanding the concept of base flow is essential for anyone studying hydrology or environmental science. Base flow refers to the portion of streamflow that is sustained between precipitation events, fed to streams by delayed pathways such as groundwater. It is a critical component of the hydrological cycle, influencing the health of aquatic ecosystems and the availability of water resources. In many regions, rivers and streams depend on base flow during dry periods when there is little to no rainfall. This steady supply of water is crucial for maintaining habitats for fish and other wildlife, as well as supporting recreational activities and agricultural irrigation.The significance of base flow can be observed in various scenarios. For instance, during summer months when rainfall is scarce, the base flow ensures that rivers do not dry up completely. This is particularly important in arid and semi-arid regions where water scarcity is a pressing issue. Moreover, the quality of base flow can greatly affect the overall health of a watershed. If groundwater is contaminated, it can lead to degraded base flow which, in turn, impacts the organisms that rely on the river for survival.Furthermore, understanding base flow is vital for effective water resource management. Policymakers and water managers must consider base flow levels when planning for water supply, flood control, and ecosystem preservation. Monitoring base flow helps in making informed decisions regarding water allocations, especially in regions where competition for water resources is high. For example, if a region experiences prolonged drought, knowing the base flow levels can help authorities implement conservation measures to protect both human needs and ecological health.In addition, climate change poses a significant threat to base flow patterns. Changes in precipitation and temperature can alter groundwater recharge rates, affecting the volume and timing of base flow. As a result, some areas may experience reduced base flow, leading to lower stream levels and increased stress on aquatic life. Conversely, other regions might see an increase in base flow due to more intense rainfall events, which can lead to flooding and erosion. Therefore, understanding how base flow is influenced by climate variables is crucial for developing adaptive management strategies.In conclusion, the concept of base flow plays a pivotal role in the functioning of freshwater ecosystems and the management of water resources. By recognizing the importance of base flow, we can better appreciate the intricate relationships within the hydrological cycle and the implications of human activities and climate change on our water systems. Continued research and monitoring of base flow will be essential for ensuring sustainable water management practices that benefit both people and the environment.

理解基流的概念对于任何研究水文学或环境科学的人来说都是至关重要的。基流指的是在降水事件之间维持的河流流量的一部分，由地下水等延迟路径供给河流。它是水文循环中的一个关键组成部分，影响着水生生态系统的健康和水资源的可用性。在许多地区，河流和溪流在干旱时期依赖于基流，当时几乎没有降雨。这种稳定的水源对维持鱼类和其他野生动物的栖息地至关重要，同时也支持休闲活动和农业灌溉。基流的重要性可以在各种情况下观察到。例如，在夏季降雨稀少时，基流确保河流不会完全干涸。这在干旱和半干旱地区尤为重要，因为水资源短缺是一个迫切的问题。此外，基流的质量可以极大地影响流域的整体健康。如果地下水受到污染，可能导致劣质的基流，反过来又影响依赖河流生存的生物。此外，理解基流对于有效的水资源管理至关重要。政策制定者和水资源管理者在规划水供应、洪水控制和生态系统保护时必须考虑基流水平。监测基流有助于在水资源竞争激烈的地区做出明智的决策。例如，如果某个地区经历了持续的干旱，了解基流水平可以帮助当局实施保护措施，以保护人类需求和生态健康。此外，气候变化对基流模式构成了重大威胁。降水和温度的变化可能改变地下水补给率，从而影响基流的体积和时机。因此，一些地区可能会经历减少的基流，导致河流水位降低和水生生命的压力增加。相反，其他地区可能由于更强烈的降雨事件而看到基流的增加，这可能导致洪水和侵蚀。因此，理解气候变量如何影响基流对于制定适应性管理策略至关重要。总之，基流的概念在淡水生态系统的功能和水资源管理中发挥着关键作用。通过认识到基流的重要性，我们可以更好地理解水文循环中的复杂关系，以及人类活动和气候变化对我们水系统的影响。继续研究和监测基流将对确保可持续的水管理实践至关重要，这些实践既能造福人类，又能保护环境。