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El aumento del metano del Holoceno tardío causado por el aumento controlado orbitalmente en las fuentes tropicales
Joy S Singarayer1, Paul J Valdes, Pierre Friedlingstein
1Bristol Research Initiative for the Dynamic Global Environment, School of Geographical Sciences, University of Bristol, University Road, Bristol, BS8 1SS, UK. joy.singarayer@bristol.ac.uk
Nature
|February 5, 2011
Resumen
Los cambios orbitales naturales, no la agricultura temprana, explican el aumento del metano atmosférico durante el Holoceno. Las simulaciones climáticas muestran que la configuración orbital de la Tierra impulsó el aumento de las emisiones de humedales, resolviendo el aumento "anómalo" de metano.
Área de la Ciencia:
- Paleoclimatología Paleoclimatología
- Química de la atmósfera La química de la atmósfera
- Modelado del clima Modelado del clima
Sus antecedentes:
- Se debate el aumento a mediados del Holoceno en las concentraciones de metano atmosférico, con causas propuestas que incluyen la agricultura temprana y las emisiones de humedales naturales.
- Los períodos interglaciales anteriores muestran una disminución del metano, en contraste con el aumento del Holoceno, lo que plantea un rompecabezas para los científicos del clima.
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