Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Snowball_Earth> ?p ?o. }
- Snowball_Earth abstract "The Snowball Earth hypothesis posits that the Earth's surface became entirely or nearly entirely frozen at least once, some time earlier than 650 Ma (million years ago). Proponents of the hypothesis argue that it best explains sedimentary deposits generally regarded as of glacial origin at tropical paleolatitudes, and other otherwise enigmatic features in the geological record. Opponents of the hypothesis contest the implications of the geological evidence for global glaciation, the geophysical feasibility of an ice- or slush-covered ocean, and the difficulty of escaping an all-frozen condition. There are a number of unanswered questions, including whether the Earth was a full snowball, or a "slushball" with a thin equatorial band of open (or seasonally open) water.The geological time frames under consideration come before the sudden multiplication of life forms on Earth known as the Cambrian explosion, and the most recent snowball episode may have triggered the evolution of multi-cellular life on Earth. Another, much earlier and longer, snowball episode, the Huronian glaciation, which occurred 2400 to 2100 Ma may have been triggered by the first appearance of oxygen in the atmosphere, the "Great Oxygenation Event."".
- Snowball_Earth wikiPageExternalLink 1857545.stm.
- Snowball_Earth wikiPageExternalLink Snowballearthpast99.pdf.
- Snowball_Earth wikiPageExternalLink science-environment-11992299.
- Snowball_Earth wikiPageExternalLink 2917637.
- Snowball_Earth wikiPageExternalLink 871.pdf.
- Snowball_Earth wikiPageExternalLink mg20527461.100-first-breath-earths-billionyear-struggle-for-oxygen.html.
- Snowball_Earth wikiPageExternalLink 070323104746.htm.
- Snowball_Earth wikiPageExternalLink index.html.
- Snowball_Earth wikiPageID "28982".
- Snowball_Earth wikiPageRevisionID "604390878".
- Snowball_Earth align "right".
- Snowball_Earth bar1Colour "#77bb77".
- Snowball_Earth bar1From "-720".
- Snowball_Earth bar1Left "0.1".
- Snowball_Earth bar1Right "0.9".
- Snowball_Earth bar1Text Sturtian_glaciation.
- Snowball_Earth bar1To "-700".
- Snowball_Earth bar2Colour "#77bb77".
- Snowball_Earth bar2From "-663".
- Snowball_Earth bar2Left "0.1".
- Snowball_Earth bar2Right "0.9".
- Snowball_Earth bar2Text Marinoan_glaciation.
- Snowball_Earth bar2To "-636".
- Snowball_Earth bar3Colour "#77bb77".
- Snowball_Earth bar3From "-583.7".
- Snowball_Earth bar3Left "0.1".
- Snowball_Earth bar3Right "0.9".
- Snowball_Earth bar3Text "Gaskiers".
- Snowball_Earth bar3To "-582.4".
- Snowball_Earth bar4Colour "#77bb77".
- Snowball_Earth bar4From "-780".
- Snowball_Earth bar4Left "0.1".
- Snowball_Earth bar4Right "0.9".
- Snowball_Earth bar4Text "Kaigas?".
- Snowball_Earth bar4To "-735".
- Snowball_Earth bar5Colour "transparent".
- Snowball_Earth bar5From "-540".
- Snowball_Earth bar5To "-530".
- Snowball_Earth caption "A recent estimate of the timing and duration of Proterozoic glacial periods. Note that great uncertainty surrounds the dating of pre-Gaskiers glaciations. The status of the Kaigas is not clear; its dating is very insecure and many workers do not recognise it as a glaciation. From Smith 2009. An earlier and longer possible snowball phase, the Huronian glaciation, is not shown here.".
- Snowball_Earth from "-1000".
- Snowball_Earth hasPhotoCollection Snowball_Earth.
- Snowball_Earth height "550".
- Snowball_Earth heightUnit "px".
- Snowball_Earth legend "Neoproterozoic era".
- Snowball_Earth legend "Snowball Earth".
- Snowball_Earth legend1Colour "#FFFFB3".
- Snowball_Earth legend2Colour "#77bb77".
- Snowball_Earth period "Cryogenian".
- Snowball_Earth period "Ediacaran".
- Snowball_Earth period "Neoproterozoic".
- Snowball_Earth period "Tonian".
- Snowball_Earth period1BorderWidth "1".
- Snowball_Earth period2NudgeDown "6.5".
- Snowball_Earth period3BorderWidth "1".
- Snowball_Earth period3NudgeDown "1.5".
- Snowball_Earth period4BorderWidth "1".
- Snowball_Earth period4Colour "#FFFFB3".
- Snowball_Earth period4Right "0.15".
- Snowball_Earth plotColour "transparent".
- Snowball_Earth scaleIncrement "50".
- Snowball_Earth title "Proterozoic snowball periods".
- Snowball_Earth to "-542".
- Snowball_Earth width "14".
- Snowball_Earth subject Category:Climate_change_science.
- Snowball_Earth subject Category:Extinction_events.
- Snowball_Earth subject Category:Hypotheses.
- Snowball_Earth subject Category:Ice_ages.
- Snowball_Earth subject Category:Proterozoic.
- Snowball_Earth type Abstraction100002137.
- Snowball_Earth type Attribute100024264.
- Snowball_Earth type Communication100033020.
- Snowball_Earth type Event100029378.
- Snowball_Earth type ExtinctionEvents.
- Snowball_Earth type GeologicalTime115116283.
- Snowball_Earth type Hypotheses.
- Snowball_Earth type Hypothesis107162545.
- Snowball_Earth type IceAge115255195.
- Snowball_Earth type IceAges.
- Snowball_Earth type Message106598915.
- Snowball_Earth type Period115247518.
- Snowball_Earth type Proposal107162194.
- Snowball_Earth type PsychologicalFeature100023100.
- Snowball_Earth type Time100028270.
- Snowball_Earth type YagoPermanentlyLocatedEntity.
- Snowball_Earth comment "The Snowball Earth hypothesis posits that the Earth's surface became entirely or nearly entirely frozen at least once, some time earlier than 650 Ma (million years ago). Proponents of the hypothesis argue that it best explains sedimentary deposits generally regarded as of glacial origin at tropical paleolatitudes, and other otherwise enigmatic features in the geological record.".
- Snowball_Earth label "Glaciación global".
- Snowball_Earth label "Schneeball Erde".
- Snowball_Earth label "Sneeuwbalaarde".
- Snowball_Earth label "Snowball Earth".
- Snowball_Earth label "Terra a palla di neve".
- Snowball_Earth label "Terra bola de neve".
- Snowball_Earth label "Terre boule de neige".
- Snowball_Earth label "Ziemia-śnieżka".
- Snowball_Earth label "Земля-снежок".
- Snowball_Earth label "スノーボールアース".
- Snowball_Earth label "雪球地球".
- Snowball_Earth sameAs Teorie_sněhové_koule.
- Snowball_Earth sameAs Schneeball_Erde.
- Snowball_Earth sameAs Glaciación_global.