Not exact matches
Late last month, officials at California's Scripps Institution of Oceanography turned to Twitter seeking donations to
maintain the iconic «Keeling curve», a 55 - year record of rising
atmospheric carbon dioxide
levels.
The Snowball Earth hypothesis
maintains that the severe freezing in the late Proterozoic was ended by an increase in CO2
levels in the atmosphere, and some supporters of Snowball Earth argue that it was caused by a reduction in
atmospheric CO2.
Throughout, BADLAND
maintains an
atmospheric edge with
levels themed around the times of day and appearing distinctly eerie.
The 350 campaign is intent on sparking international movement platformed upon the target of reducing
atmospheric CO2
levels to 350 parts per million, or the
level scientists deem necessary to
maintain human life on the planet as we know it.
• Approaches that account for the global dimensions of achieving and
maintaining sustainable
levels of
atmospheric CO2 and encourage cooperative action by all countries, including the U.S. and large emitting nations in the developing world, to implement CO2 emission reduction strategies.
«Geological evidence shows that 450ppm of
atmospheric CO2 is the critical
level that is needed to
maintain polar ice caps....»
But we could ask the question is it more likely the planet tries to
maintain a
atmospheric temperature, an ocean temperature or a sea
level?
Climate models (for various obscure reasons) tend to
maintain constant relative humidity at each
atmospheric level, and therefore have an increasing absolute humidity at each
level as the surface and
atmospheric temperatures increase.
Can anyone elaborate on the remark «Climate models (for various obscure reasons) tend to
maintain constant relative humidity at each
atmospheric level»?
As measured, the monthly CO2
levels continue to steadily increase at a linear rate, which if
maintained, will almost reach an
atmospheric level of 555ppm by 2100AD.