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Yes . . . that is what I also found when Googling "CO2 boost" - no reference to climate change usage. My point
IS: One should refrain from utilizing not-yet-accepted terminology as it gives the appearance of 'making-up' one's own terminology to fit one's preconcieved notions.
If David Frank's hypothesis is correct (i.e., positive feedback - and it very likely
is correct), it is really nothing new. Oceanographers, geologists, etc. have well-established and demonstrated a mechanism called "carbonate compensation depth" - or CCD, a mechanism by which carbonate (e.g., critter carbonate exoskeletons) sink (under gravity and circulation) when such critters 'pass-into-the- great-beyond' and their shells sink to ocean bottoms. Since ocean water tends to get colder with depth, and the solubility of CaCO3 (i.e., critter shells) therewith increases, the carbon in carbonate is sequestered (dissolved) in the seawater. If the temperature of that
same seawater is subsequently 'raised' - by whatever mechanism (thermal or circulation), the sequestered carbon in the warmed seawater tends to be
re-precipitated as carbonate species (ever heard of limestone? - typically deposited in warm, shallow oceanwater environs). Albeit,
SOME carbon will be released from warmed seeawater as CO2, all is in thermal, chemical, and barometric equilibrium, and the vast bulk of CO2 from this mechanism will re-combine with Ca and form calcium carbonate (i.e., limestone; plus other carbonates such as CaMgCO3, MgCO3, etc.). Note that when 'CO-2-saturated' seawater transports to shallower environs, both temperature and pressure changes will contribute to the precipitation effects described above, but pressure is a lesser contributor. One should note that precipitation of limestone (for example) is Mother Nature's way of sequestering elevated (and
even "boosted") CO2.
The key concept in climate change (and other) discussions - which many fail to consider! - is EQUILIBRIUM. For any chemical reaction that takes place in nature (or in the lab!), there is an equilibrium established between the reactants and the reaction products (i.e., the reaction proceeds in BOTH directions). If CO2 increases by various source reactions, then via equilibrium, CO2 will be decreased by various product reactions. Such reaction 'products' may include : carbonate precipitation (both organic and inorganic), solution in water, and others such as increased plant propogation/growth.
My opinion? . . . . . "Henny Penny, the sky is NOT falling" . . . Mother Nature has established compensatory and equilibrium mechanisms to deal with most contingencies. Albeit, there will be differences in the rates of compensatory mechanism reactions - they WILL occur, regardless. The 'sticky-wicket' is that for most people these compensatory mechanisms often operate over periods that exceed our (limited?) foreseeable futures!.
See also:
https://en.wikipedia.org/wiki/Carbonate_compensation_depth