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Updated: Apr 28, 2026
08:18
Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions
Published on: June 12, 2016
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Características orbitales y a escala milenaria del CH4 atmosférico durante los últimos 800.000 años
Laetitia Loulergue1, Adrian Schilt, Renato Spahni
1Laboratoire de Glaciologie et Géophysique de l'Environnement, CNRS-Université Joseph Fourier Grenoble, 54 Rue Molière, 38402 St Martin d'Hères, France.
Nature
|May 16, 2008
Resumen
Los niveles de metano en la atmósfera fluctuaron con los ciclos glaciales durante 800.000 años. Los cambios en los humedales tropicales y el retroceso de la capa de hielo influyeron en estas variaciones de gases de efecto invernadero, impactando el clima.
Área de la Ciencia:
- Paleoclimatología Paleoclimatología
- Dinámica de los gases de efecto invernadero.
- Análisis de núcleos de hielo análisis de núcleos de hielo
Sus antecedentes:
- El metano atmosférico es un potente gas de efecto invernadero, crucial para comprender el cambio climático y los cambios de temperatura pasados.
- Históricamente, las concentraciones de metano han oscilado entre 350 y 800 partes por billón en volumen (p.p.b.v.). entre los períodos glaciales e interglaciales.
- Los niveles actuales de metano (aproximadamente 1.770 p.p.b.v.) exceden los rangos preindustriales, lo que requiere la investigación de sus mecanismos de control.
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