Think more rain means more river water? Not necessarily
A new study from Pennsylvania State University reveals that many rivers are experiencing lower water flow despite receiving increased rainfall. Researchers suggest that climate change-driven evaporation and extreme weather patterns are decoupling precipitation from river discharge, posing risks to water security.
Why it matters
Understanding this mismatch is critical for urban planning and water management, as most major cities rely on surface water sources that may be less reliable than previously assumed.
The Mucajai River in Roraima, Brazil. Global heating is making wet regions wetter and dry regions drier./Getty Images The Mucajai River in Roraima, Brazil. Global heating is making wet regions wetter and dry regions drier./Getty Images Weatherwatch Rivers Think more rain means more river water? Not necessarily Some rivers are receiving more rain than before but have lower water flow, according to a study
Prefer the Guardian on Google More rain and snow equals more water in rivers, right? Not necessarily. A new study shows that, despite receiving more rainfall than they used to, river water levels are falling because of changes in climate.
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