Sentences with phrase «runaway greenhouse»
The phrase "runaway greenhouse" refers to a situation where the Earth's climate becomes extremely hot and difficult to regulate, similar to a greenhouse overheating. This occurs when certain gases in the atmosphere, like carbon dioxide, trap too much heat from the sun, leading to a chain reaction where temperatures keep rising rapidly. It could result in severe consequences for the planet and its ecosystems. Full definition
There is good evidence of past runaway greenhouse events.
dotearth.blogs.nytimes.com
On the other hand, conceivable levels of human - made climate forcing could yield the low - end runaway greenhouse.
With no water left on the surface, carbon dioxide built up in the atmosphere, leading to a so - called runaway greenhouse effect that created present conditions.
It seems we've been in a slowly developing runaway greenhouse since life began.
As the planet warmed, large amounts of frozen methane gas under the ocean might have been released to trigger runaway greenhouse warming, Ward said.
The point at which a planet's atmosphere would experience runaway greenhouse - gas effects like those seen on Venus — a point located just inside Earth's orbit in our solar system — forms the outer boundary.
The IPCC reports were full of the adverse impacts from runaway greenhouse gas emissions, which make for compelling news.
I don't care about whether runaway greenhouse warming or volcanism or a celestial impact was what caused the atmosphere to become so dominated by CO2, only that CO2is keeping Venus» surface hot.
He says, «All of the above information fails to include the excellent work by Tim Garrett, which points out that only complete collapse avoids runaway greenhouse.»
* Enough carbon to aid the development of life but not so much to allow for runaway greenhouse conditions, as occur on superheated Venus.
A summary of some of the reasons the simple thermostat proposals are wrong is given in my old JAS paper «Thermostats, Radiator Fins and the Local Runaway Greenhouse» available in the publications section of my web site.
Release of methane hydrates has previously been suggested as a mechanism to drive runaway greenhouse events, as warming oceans releases trapped methane that causes further warming and releases more methane.
Perhaps further discussion of runaway greenhouse stuff should be moved to the Venus discussion — raypierre]
A month or so ago in a related blog, before I was called away on other business, I asked if the earth could be pushed into a «Venus syndrome» of permanent runaway greenhouse.
«Runaway greenhouse easier than previously thought,» shouts a headline on the University of Victoria home page in August.
On the eve of the climate summit, Annie Leonard — the creator of the Internet phenomenon «The Story of Stuff» — threw a stink bomb into the debate over how best to address runaway greenhouse gas emissions.
While high CO ₂ levels have been present in Earth's atmosphere before (e.g., during the Cambrian and Archaean) without initiating either the moist or runaway greenhouse state, never has the rate of warming been annual in scale as today.
That way they could look at the planet's molecular makeup for signs of runaway greenhouse gases that could indicate an inhospitable Venus - like planet.
Finally, we use an efficient climate model to expand our estimated climate sensitivities beyond the Cenozoic climate range to snowball Earth and runaway greenhouse conditions.
It is therefore a mistake to imply that the four of us collectively wrote, or agreed with, the one answer you printed in the piece.Ray Pierrehumbert has responded well in the comments to the issue of the possibility of a true runaway greenhouse effect — that phrase is not appropriate for the likely range of future [greenhouse gas] concentrations in the next century.
Pierrehumbert, R. T. 1995: Thermostats, Radiator Fins, and the Local Runaway Greenhouse.
Some discussion about the condition of runaway greenhouse (Komabayashi - Ingersoll limit) is found in Section 4.6 (p. 284).
That could cause a runaway greenhouse effect in the later part of the century.
The venusian atmosphere went to hell thanks to a runaway greenhouse effect, and understanding how that happened could guide humanity's response to global warming.
A clearer picture of volcanism on Venus and its history could help to explain how the planet's runaway greenhouse effect got going.
Despite the early hype, however, Gliese 581c is no «alien Earth»: It is probably more like Venus, with a runaway greenhouse effect.
Astronomers think that as the sun gradually grew hotter, it pushed Venus to a threshold temperature that set the runaway greenhouse effect in motion.
Rising temperatures would have boiled the ocean, triggering a runaway greenhouse effect.
If the planet is only one Earth mass, Jenkins says, any life there might be near its end; the world would be on the verge of a runaway greenhouse effect, with gravity too weak to prevent its life - giving water from boiling off into space due to rising surface temperatures.