claim: A drop in volcanic activity caused warming.
evidences.evidence_id: 1257 Samalas eruption:133
evidences.article: 1257 Samalas eruption
evidences.evidence: Sea surface temperatures too decreased by 0.3–2.2 °C (0.54–3.96 °F), triggering changes in the ocean circulations.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Global warming:48
evidences.article: Global warming
evidences.evidence: increased concentrations of greenhouse gases), solar luminosity, volcanic eruptions, and variations in the Earth's orbit around the Sun.
evidences.votes: REFUTES NOT_ENOUGH_INFO
evidences.evidence_id: Paleocene–Eocene Thermal Maximum:154
evidences.article: Paleocene–Eocene Thermal Maximum
evidences.evidence: Volcanic eruptions of a large magnitude can impact global climate, reducing the amount of solar radiation reaching the Earth's surface, lowering temperatures in the troposphere, and changing atmospheric circulation patterns.
evidences.votes: SUPPORTS REFUTES
evidences.evidence_id: Paleocene–Eocene Thermal Maximum:184
evidences.article: Paleocene–Eocene Thermal Maximum
evidences.evidence: Further, methane is a potent greenhouse gas as it is released into the atmosphere, so it causes warming, and as the ocean transports this warmth to the bottom sediments, it destabilizes more clathrates.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Triassic–Jurassic extinction event:84
evidences.article: Triassic–Jurassic extinction event
evidences.evidence: Massive volcanic eruptions, specifically the flood basalts of the Central Atlantic Magmatic Province (CAMP), would release carbon dioxide or sulfur dioxide and aerosols, which would cause either intense global warming (from the former) or cooling (from the latter).
evidences.votes: SUPPORTS REFUTES