New study quantifies lake CO₂ emissions and their rising trend in China

Lakes are often described as “hotspots” in the global carbon cycle, yet quantifying their “breath”—the exchange of carbon dioxide (CO2) between water and the atmosphere—has long been notoriously difficult due to extreme variability across time and space and a shortage of long-term, high-resolution observational data. As a result, they have remained as a missing piece in regional carbon accounting.

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