Paleoclimate falsified? September 2, 2014. Azolla is a tiny fern genus that floats on fresh water mostly in moderate to warm climates. A big surprise was that Azolla remains were found in sediment cores taken on the Lomonosov Ridge in the Arctic sea in 2004. This became known as the Azolla event. Obviously this Azolla bloom event was subject to intense study, followed by several publications like Speelman et al 2009.

Lade Daten, bitte warten.

Quantifying the Anthropogenic Contribution to the Global Background Level of Atmospheric CO2. Has the longest time coverage for both CO2 and 13CO2 index. Much more data measured around the globe are published at the World Data Centre for Greenhouse Gases. So what do the Arctic data tell us? .

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