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Orbital and millennial-scale features of atmospheric CH₄ over the past 800,000 years

A detailed atmospheric methane record from the EPICA Dome C ice core that extends the history of atmospheric methane to 800,000 years before present is detailed. Spectral analyses indicate that the long-term variability in atmospheric methane levels is dominated by ∼100,000 year glacial–interglacial cycles up to ∼400,000 years ago with an increasing contribution of the precessional component during the four more recent climatic cycles.

Laetitia Loulergue
Adrian Schilt
Jérôme Chappellaz
Research15 May 2008
Nature

Volume: 453, P: 383-386
High-resolution carbon dioxide concentration record 650,000–800,000 years before present

Dieter Lüthi
Martine Le Floch
Thomas F. Stocker
Research15 May 2008
Nature

Volume: 453, P: 379-382
A super-Earth transiting a nearby low-mass star

A population of extrasolar planets has been uncovered with minimum masses of 1.9–10 times the Earth's mass, called super-Earths, but atmospheric studies can be precluded by the distance and size of their stars. Here, observations of the transiting planet GJ 1214b are reported; it has a mass 6.55 times that of the Earth and a radius 2.68 times the Earth's radius. The star is small and only 13 parsecs away, permitting the study of the planetary atmosphere with current observatories.

David Charbonneau
Zachory K. Berta
Thierry Forveille
Research17 Dec 2009
Nature

Volume: 462, P: 891-894
A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host

The giant planet KELT-9b has a dayside temperature of about 4,600 K, which is sufficiently high to dissociate molecules and to evaporate its atmosphere, owing to its hot stellar host.

B. Scott Gaudi
Keivan G. Stassun
Patricia Trueblood
Research05 Jun 2017
Nature

Volume: 546, P: 514-518
Onset of deglacial warming in West Antarctica driven by local orbital forcing

An annually resolved ice-core record from West Antarctica indicates that warming driven by local insolation resulting from sea-ice decline began in that region about 2,000 years before warming in East Antarctica, reconciling two alternative explanations for deglacial warming in the Southern Hemisphere.

T. J. Fudge
Eric J. Steig
Gifford J. Wong
Research14 Aug 2013
Nature

Volume: 500, P: 440-444
Widening of the genetic and clinical spectrum of Lamb–Shaffer syndrome, a neurodevelopmental disorder due to SOX5 haploinsufficiency

Ash Zawerton
Cyril Mignot
Christel Depienne
Research03 Oct 2019
Genetics in Medicine

Volume: 22, P: 524-537

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Orbital and millennial-scale features of atmospheric CH₄ over the past 800,000 years

High-resolution carbon dioxide concentration record 650,000–800,000 years before present

A super-Earth transiting a nearby low-mass star

A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host

Onset of deglacial warming in West Antarctica driven by local orbital forcing

Widening of the genetic and clinical spectrum of Lamb–Shaffer syndrome, a neurodevelopmental disorder due to SOX5 haploinsufficiency

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Orbital and millennial-scale features of atmospheric CH4 over the past 800,000 years

High-resolution carbon dioxide concentration record 650,000–800,000 years before present

A super-Earth transiting a nearby low-mass star

A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host

Onset of deglacial warming in West Antarctica driven by local orbital forcing

Widening of the genetic and clinical spectrum of Lamb–Shaffer syndrome, a neurodevelopmental disorder due to SOX5 haploinsufficiency

Search

Quick links

Orbital and millennial-scale features of atmospheric CH₄ over the past 800,000 years