KnowraSnowball EarthLinked fromLinked fromThe 26 pages that link to Snowball Earth, each with the reason it gives.All 26Broader topic 4Related 16Narrower topic 2Compared with 4Great Oxidation EventRelated: A proposed oxygen-related decline in greenhouse methane may have helped trigger early global cooling.AlbedoRelated: Extensive bright ice could have increased planetary albedo and reinforced global cooling.Isotope geochemistryRelated: Carbon and oxygen isotope patterns in glacial-era rocks inform reconstructions of these episodes.GeologyRelated: Geological evidence continues to refine the timing, extent, and causes of these glaciations.PrecambrianBroader topic: Proterozoic glaciations show how dramatically climate could change before the Cambrian.RodiniaRelated: Rodinia’s fragmentation has been proposed as one influence on the climate shifts behind these glaciations.Ice ageCompared with: It represents a far more extreme proposed glaciation than the ice ages of the recent geological past.Supercontinent cycleRelated: Rodsinia's low-latitude position and enhanced weathering are leading triggers proposed for the Cryogenian glaciations.Rare Earth hypothesisRelated: Global glaciations illustrate how climate instability can sharply constrain life, even on a habitable planet.Great FilterRelated: Severe climate disruption illustrates environmental hazards that life may have to survive.PaleoproterozoicNarrower topic: It provides a broader framework for interpreting severe Paleoproterozoic ice ages.Carbonate–silicate cycleBroader topic: Reduced weathering during global glaciation can weaken carbon dioxide removal and contribute to deglaciation.Faint young Sun paradoxCompared with: Its severe freezing scenario contrasts with evidence for persistently temperate early conditions.Oxygenation of Earth's atmosphereRelated: Some hypotheses connect oxygenation-related changes in methane to global cooling.ProterozoicRelated: Cryogenian glaciations radically altered Proterozoic climate and ocean chemistry.History of geologyRelated: Its disputed evidence reveals the difficulty of interpreting ancient climate from rocks.NeoproterozoicRelated: Neoproterozoic deposits record glaciations severe enough to motivate this hypothesis.Huronian glaciationCompared with: Whether Huronian ice covered the planet or remained regionally extensive is debated.Sturtian glaciationRelated: The Sturtian is a leading candidate for a Cryogenian near-global glaciation.History of lifeRelated: Its possible effects on survival and diversification of early complex life remain under study.Marinoan glaciationNarrower topic: The Marinoan is a leading example used to evaluate this hypothesis.History of EarthBroader topic: These extreme ice ages show how feedbacks can push the global climate into radically different states.Milutin MilankovićCompared with: Its proposed extreme glaciations exceed the paced ice-sheet cycles his orbital theory addresses.Geological history of EarthRelated: Glacial deposits support extreme climate episodes, while their full extent remains disputed.Geological history of oxygenRelated: Oxygenation and carbon-cycle changes have been proposed as factors in Neoproterozoic glaciations.Mikhail BudykoBroader topic: The ice–albedo instability in Budyko’s model permits transitions toward globally extensive ice.
KnowraSnowball EarthLinked fromLinked fromThe 26 pages that link to Snowball Earth, each with the reason it gives.All 26Broader topic 4Related 16Narrower topic 2Compared with 4Great Oxidation EventRelated: A proposed oxygen-related decline in greenhouse methane may have helped trigger early global cooling.AlbedoRelated: Extensive bright ice could have increased planetary albedo and reinforced global cooling.Isotope geochemistryRelated: Carbon and oxygen isotope patterns in glacial-era rocks inform reconstructions of these episodes.GeologyRelated: Geological evidence continues to refine the timing, extent, and causes of these glaciations.PrecambrianBroader topic: Proterozoic glaciations show how dramatically climate could change before the Cambrian.RodiniaRelated: Rodinia’s fragmentation has been proposed as one influence on the climate shifts behind these glaciations.Ice ageCompared with: It represents a far more extreme proposed glaciation than the ice ages of the recent geological past.Supercontinent cycleRelated: Rodsinia's low-latitude position and enhanced weathering are leading triggers proposed for the Cryogenian glaciations.Rare Earth hypothesisRelated: Global glaciations illustrate how climate instability can sharply constrain life, even on a habitable planet.Great FilterRelated: Severe climate disruption illustrates environmental hazards that life may have to survive.PaleoproterozoicNarrower topic: It provides a broader framework for interpreting severe Paleoproterozoic ice ages.Carbonate–silicate cycleBroader topic: Reduced weathering during global glaciation can weaken carbon dioxide removal and contribute to deglaciation.Faint young Sun paradoxCompared with: Its severe freezing scenario contrasts with evidence for persistently temperate early conditions.Oxygenation of Earth's atmosphereRelated: Some hypotheses connect oxygenation-related changes in methane to global cooling.ProterozoicRelated: Cryogenian glaciations radically altered Proterozoic climate and ocean chemistry.History of geologyRelated: Its disputed evidence reveals the difficulty of interpreting ancient climate from rocks.NeoproterozoicRelated: Neoproterozoic deposits record glaciations severe enough to motivate this hypothesis.Huronian glaciationCompared with: Whether Huronian ice covered the planet or remained regionally extensive is debated.Sturtian glaciationRelated: The Sturtian is a leading candidate for a Cryogenian near-global glaciation.History of lifeRelated: Its possible effects on survival and diversification of early complex life remain under study.Marinoan glaciationNarrower topic: The Marinoan is a leading example used to evaluate this hypothesis.History of EarthBroader topic: These extreme ice ages show how feedbacks can push the global climate into radically different states.Milutin MilankovićCompared with: Its proposed extreme glaciations exceed the paced ice-sheet cycles his orbital theory addresses.Geological history of EarthRelated: Glacial deposits support extreme climate episodes, while their full extent remains disputed.Geological history of oxygenRelated: Oxygenation and carbon-cycle changes have been proposed as factors in Neoproterozoic glaciations.Mikhail BudykoBroader topic: The ice–albedo instability in Budyko’s model permits transitions toward globally extensive ice.