The scare
story about methane is based on an imaginary 72 times higher climate sensitivity than CO2.
Not exact matches
My research indicates that the Siberian peat moss, Arctic tundra, and methal hydrates (frozen
methane at the bottom of the ocean) all have an excellent chance of melting and releasing their stored co2.Recent
methane concentration figures also hit the news last week, and
methane has increased after a long time being steady.The forests of north america are drying out and are very susceptible to massive insect infestations and wildfires, and the massive die offs - 25 % of total forests, have begun.And, the most recent
stories on the Amazon forecast that with the change in rainfall patterns one third of the Amazon will dry and turn to grassland, thereby creating a domino cascade effect for the rest of the Amazon.With co2 levels risng faster now that the oceans have reached carrying capacity, the oceans having become also more acidic, and the looming threat of a North Atlanic current shutdown (note the recent terrible news on salinity upwelling levels off Greenland,) and the change in cold water upwellings, leading to far less biomass for the fish to feed upon, all lead to the conclusion we may not have to worry
about NASA completing its inventory of near earth objects greater than 140 meters across by 2026 (Recent Benjamin Dean astronomy lecture here in San Francisco).
ESAS is possibly telling us something
about methane in natural systems, but whether that something is even an uniquely Arctic
story or more generic not is unclear.
Joe Davis's valuable daily digest of environmental coverage for the Society of Environmental Journalists includes links to several significant news
stories (see below), and in the meantime I'm querying
methane and Arctic specialists
about the startling
story from The Independent (UK) on Tuesday reporting on a «
methane time bomb» discovered by an international expedition along the continental shelf off Siberia.
While we do get the occasional
methane story — especially in the context of
methane - to - energy technologies — we haven't heard much
about black carbon, which is contained in soot emitted from vehicles.
The Chicago Tribune
story about cow
methane that I linked to is a pretty good
story (I found it quickly on Google and I bet there were other blogs and sites that did not cover cows so thoroughly), but for me it lacked the few bits of information I've cited in order to give context to the issue.
Well, it isn't ocean * heat * content, but relevant to climate science in various ways is this
story,
about quantifying the
methane released by the Gulf blowout (roughly estimated at
about 7.5 kilotons so far.)