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EMAC model matched global atmospheric hydrogen observations
EMAC earth system model accurately simulates global atmospheric hydrogen dynamics, achieving correlation coefficients exceeding 0.9 at remote polar stations against observational data.
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Extreme 2023 drought turned the Amazon into a weak carbon source
2023 Amazon drought reduced vegetation carbon uptake, turning the region into a weak carbon source independent of fire emissions, revealing climate vulnerability.
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Planting density of 300 plants per square meter gave the best yield
Two-year field study shows hybrid wheat Jingmai 17 sown late achieves optimal yield and source-sink balance at 300 plants·m−2, improving grain filling and yield stability.
