مرجان ها به عنوان آرشیو آب و هوا: آیا رویدادهای ال نینو تشدید می شود؟

Corals as climate archive: Are El Nino events intensifying?

Records show that El Nino events have been frequent and often extreme over the past few decades. Is this normal? Or is it the result of climate change? Corals can give us a clear indication.