Nevertheless, the equilibrium can be empirically determined by simply reading it straight off the ice-core CO2/temperature graph. The global temperature variations between ice-ages and interglacials is about 4°C. The change in the amount of atmospheric CO2 is about 80 ppm. This gives 20 ppm ...
[1] We report a decadally resolved record of atmospheric CO2 concentration for the last 1000 years, obtained from the West Antarctic Ice Sheet (WAIS) Divide shallow ice core. The most prominent feature of the pre-industrial period is a rapid ∼7 ppm decrease of CO2 in a span of ∼20...
CO2 levels, respectively. (Fig. 4). The combination of IP25 and SST data indicates that the central Arctic Ocean must have been relatively warm and ice-free during summer throughout the time interval recovered in the sedimentary section of Core PS87/106 and variable sea ice must have ...
A laptop computer with a 13th Gen Intel(R) Core (TM) i7-13650HX 2.60 GHz 64-bit processor and 16 GB of RAM is used to receive and store the acquired data and subsequently process the database. The experiment begins by starting the vehicle’s engine while simultaneously initiating the ...
The numbers for 800,000 years would be similar, based on a graph, from ice core data going back that far. The result is that the planet is warming at least 10 times faster than when it came out of the last ice age. It took about 10,000 years to warm by about 5 C, with temps...
In monsoon marginal areas like Jingbian, such factors are likely to be the dominant control on summer monsoon dynamics, even if direct precessional forcing dominates monsoon intensity in core monsoon areas37. Varia- tions in sea-level and CO2 forcing will alter the spatial extent and coverage of...
graphstat>=0.2.1 yaplotlib>=0.1.2 openpyscad>=0.5.0 genice-core>=1.0.1 Note: The package management systempoetry, new in GenIce version 2.1, ignores all symlinks in package directories. Because of this, some module "aliases" do not work correctly. (e.g.genice2 1hdoes not work, but...
To calculate Ts at say 50 kyrs ago we look up the CO2 value at 50 kyrs from ice core data, and read the value of TCO2 from the straight line on the graph. Likewise for the other parameters. Here is ΔTinsol: So the method is extremely basic. Of course the model needs something....
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1b). In the western Arctic, the coretop δ15NN.p. value of 8.3‰ at the southerly site B8 and 8.0‰ at the northerly site B17 are intermediate between the values expected for complete consumption of AHW and PHW nitrate (Fig. 2). Given complete western Arctic nitrate consumption today17...