Question: A hydrologist needs to mix two water sources: one with 1.5 liters of rainwater and another with 3.5 liters of groundwater. What fraction of the total mixture is rainwater?

Sun, 19 Apr 2026 22:48:14 +0000

**A hydrologist needs to mix two water sources: one with 1.5 liters of rainwater and another with 3.5 liters of groundwater. What fraction of the total mixture is rainwater?** When water safety and supply diversity gain attention across the United States, professionals like hydrologists face real challenges balancing natural and managed water resources. Mixing rainwater with groundwater is a common scenario in sustainable water planning, especially in regions managing seasonal rainfall and underground aquifers. Understanding the precise proportion of each source in a mixture unlocks better forecasting, infrastructure decisions, and community resilience. So, when a hydrologist blends 1.5 liters of rainwater with 3.5 liters of groundwater, the key question becomes: What fraction of this combined volume is rainwater? This calculation matters not only for data accuracy but also for modeling water quality and availability. ### Why Mixing Rainwater and Groundwater Matters Today Water resource management is under growing scrutiny as climate patterns shift and urban demand increases. Rainwater capture offers a renewable, decentralized supply, while groundwater remains a critical backup during dry seasons. Mixing these sources reflects a holistic approach to balancing immediate availability with long-term sustainability. This practice exemplifies the innovative ways hydrologists design systems that adapt to fluctuating natural inputs. Public awareness of aquifer depletion and stormwater management has risen, making efficient water blending a practical priority—not just academic.