claim: “We indicated 23 years ago — in our 1994 Nature article — that climate models had the atmosphere’s sensitivity to CO2 much too high,” Christy said in a statement.
evidences.evidence_id: Climate sensitivity:51
evidences.article: Climate sensitivity
evidences.evidence: The sensitivity of temperature to atmospheric gasses, most notably CO 2, is often expressed in terms of the change in temperature per doubling of the concentration of the gas.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Climate sensitivity:53
evidences.article: Climate sensitivity
evidences.evidence: In his first paper on the matter, he estimated that global temperature would rise by around 5 to 6 °C (9.0 to 10.8 °F) if the quantity of CO 2 was doubled.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Climate sensitivity:58
evidences.article: Climate sensitivity
evidences.evidence: For constant humidity they computed a climate sensitivity of 2.3 °C per doubling of CO2 (which they rounded to 2, the value most often quoted from their work, in the abstract of the paper).
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Global warming controversy:207
evidences.article: Global warming controversy
evidences.evidence: As defined by the IPCC, climate sensitivity is the "equilibrium temperature rise that would occur for a doubling of CO 2 concentration above pre-industrial levels".
evidences.votes: SUPPORTS NOT_ENOUGH_INFO
evidences.evidence_id: James Hansen:126
evidences.article: James Hansen
evidences.evidence: They did note that the agreement between the observations and the intermediate scenario was accidental because the climate sensitivity used was higher than current estimates.
evidences.votes: SUPPORTS NOT_ENOUGH_INFO