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No laughing matter: Nitrous oxide rose at end of last ice age
No laughing matter Nitrous oxide end of last ice age
2014/12/30
CORVALLIS, Ore. – Nitrous oxide (N2O) is an important greenhouse gas that doesn’t receive as much notoriety as carbon dioxide or methane, but a new study confirms that atmospheric levels of N2O rose s...
Study resolves discrepancy in Greenland temperatures during end of last ice age（图）
Greenland temperatures ice cores
2014/9/12
CORVALLIS, Ore. – A new study of three ice cores from Greenland documents the warming of the large ice sheet at the end of the last ice age – resolving a long-standing paradox over when that warming o...